MICHIGAN CHPTRDMCHA1M7 18HP 420cc Petrol Commercial Wood User Manual

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User Manual

[Revision 6.0 October 2022]

READ THIS MANUAL CAREFULLY BEFORE USE – FAILURE TO DO SO MAY RESULT IN INJURY, PROPERTY DAMAGE AND MAY

VOID WARRANTY. • KEEP THIS MANUAL FOR FUTURE REFERENCE. • Products covered by this manual may vary in appearance,

assembly, inclusions, specifications, description, and packaging.

The product is NOT supplied with engine oil, although traces of oil from the manufacturing process may be present. It is essential to add

adequ

ate engine oil of the correct type to the engine before use. Failure to add engine oil will void the product warranty.

Video Tutorial:

Starting a 4-Stroke

Ravenger 1750 Petrol Powered Chipper/Shredder

Safety

Safety messages are designed to alert you to possible dangers or hazards that could cause death, injury or

equipment or property damage if not understood or followed. Safety messages have the following symbols:

You WILL be KILLED or

SERIOUSLY INJURED if you do

not follow instructions.

You CAN be KILLED or

SERIOUSLY INJURED if you do

not follow instructions.

You CAN be INJURED if you do

not follow instructions or equipment

damage may occur.

It is vital that you read and understand this

user manual before using the product,

including safety warnings, and any assembly

and operating instructions. Keep the manual

for future reference.

Safety precautions and recommendations

detailed here must be fully understood and

followed to reduce the risk of injury, fire,

explosion, electrical hazard, and/or property

damage.

Safety information presented here is generic

in nature – some advice may not be

applicable to every product. The term

"equipment" refers to the product, be it

electrical mains powered, battery powered or

combustion engine powered.

• Before Use - If you are not familiar with the

safe operation/handling of the equipment or

are in any way unsure of any aspect of

suitability or correct use for your

application, you should complete training

conducted by a person or organization

qualified in safe use and operation of this

equipment, including fuel/electrical handling

and safety.

• Do NOT operate the equipment in

flammable or explosive environments, such

as in the presence of flammable liquids,

gases, or dust. The equipment may create

sparks or heat that may ignite flammable

substances.

• Keep clear of moving parts.

• Equipment may be a potential source of

electric shock or injury if misused.

• Do NOT operate the equipment if it is

damaged, malfunctioning or is in an

excessively worn state.

• Do NOT allow others to use the equipment

unless they have read this manual and are

adequately trained.

• Keep packaging away from children - risk

of suffocation! Operators must use the

equipment correctly. When using the

equipment, consider conditions and pay

due care to persons and property.

General Work Area Safety

• Work areas should be clean and well it.

• Do not operate the equipment if

bystanders, animals etc are within

operating range of the equipment or the

general work area.

• If devices are provided for connecting dust

extraction / collection facilities, ensure

these are connected and used properly.

Dust collection can reduce dust-related

hazards.

General Personal Safety

• Wear appropriate protective equipment

when operating, servicing, or when in the

operating area of the equipment to help

protect from eye and ear injury, poisoning,

burns, cutting and crush injuries. Protective

equipment such as safety goggles,

respirators, non-slip safety footwear, hard

hat, hearing protection etc should be used

for appropriate equipment / conditions.

Other people nearby should also wear

appropriate personal protective equipment.

Do not wear loose clothing or jewellery,

which can be caught in moving parts. Keep

hair and clothing away from the equipment.

• Stay alert and use common sense when

operating the equipment. Do not over-

reach. Always maintain secure footing and

balance.

• Do not use the equipment if tired or under

the influence of drugs, alcohol, or

medication.

• This equipment is not intended for use by

persons with reduced physical, sensory, or

mental capabilities.

General Fuel Safety

• Petrol/fuel/gasoline is extremely flammable

– keep clear of naked flames or other

ignition sources.

• Do not spill fuel. If you spill fuel, wipe it off

the equipment immediately – if fuel gets on

your clothing, change clothing.

• Do NOT smoke near fuel or when

refuelling.

• Always shut off the engine before

refuelling.

• Do NOT refuel a hot engine.

• Open the fuel cap carefully to allow any

pressure build-up in the tank to release

slowly.

• Always refuel in well ventilated areas.

• Always check for fuel leakage. If fuel

leakage is found, do not start, or run the

engine until all leaks are fixed.

General Carbon-Monoxide Safety

• Using a combustion engine indoors CAN

KILL IN MINUTES. Engine exhaust

contains carbon-monoxide – a poison you

cannot smell or see.

• Use combustion engines OUTSIDE only,

and far away from windows, doors, and

vents.

General Equipment Use and Care

• The equipment is designed for domestic

use only.

• Handle the equipment safely and carefully.

• Before use, inspect the equipment for

misalignment or binding of moving parts,

loose components, damage, or any other

condition that may affect its operation. If

damaged, have the equipment repaired by

an authorised service centre or technician

before use.

• Prevent unintentional starting of the

equipment - ensure equipment and power

switches are in the OFF position before

connecting or moving equipment. Do not

carry equipment with hands or fingers

touching any controls. Remove any tools or

other items that are not a part of the

equipment from it before starting or

switching on.

• Do not force the equipment. Use the

correct equipment for your application.

Equipment will perform better and be safer

when used within its design and usage

parameters.

• Use the equipment and accessories etc. in

accordance with these instructions,

considering working conditions and the

work to be performed. Using the equipment

for operations different from those intended

could result in hazardous situations.

• Always keep equipment components

(engines, hoses, handles, controls, frames,

housings, guards etc) and accessories

(cutting tools, nozzles, bits etc) properly

maintained. Keep the equipment clean and,

where applicable, properly lubricated.

• Store the equipment out of reach of

children or untrained persons. To avoid

burns or fire hazards, let the equipment

cool completely before transporting or

storing. Never place or store the equipment

near flammable materials, combustible

gases, or liquids etc.

• The equipment is not weather-proof, and

should not be stored in direct sunlight, at

high ambient temperatures or locations that

are damp or humid.

• Do not clean equipment with solvents,

flammable liquids, or harsh abrasives.

• For specific equipment safety use and care,

see Equipment Safety.

Ravenger 1750 Petrol Powered Chipper/Shredder

General Electrical Safety

• Inspect electrical equipment, extension

cords, power bars, and electrical fittings for

damage or wear before each use. Repair or

replace damaged equipment immediately.

• Ensure all power sources conform to

equipment voltage requirements and are

disconnected before connecting or

disconnecting equipment.

• When wiring electrically powered

equipment, follow all electrical and safety

codes.

• Wherever possible, use a residual current

device (RCD).

• High voltage / high current power lines may

be present. Use extreme caution to avoid

contact or interference with power lines.

Electrical shock can be fatal.

General Electrical Safety

• Electrically grounded equipment must have

an approved cord and plug and be

connected to a grounded electrical outlet.

• Do NOT bypass the ON/OFF switch and

operate equipment by connecting and

disconnecting the electrical cord.

• Do NOT use equipment that has exposed

wiring, damaged switches, covers or

guards.

• Do NOT use electrical equipment in wet

conditions or in damp locations.

• Do NOT use electrical cords to lift, move or

carry equipment.

• Do NOT coil or knot electrical cords, and

ensure electrical cords are not trip hazards.

General Service Information

• The equipment must be serviced or

repaired at authorised service centres by

qualified personnel only.

• Replacement parts must be original

equipment manufacturer (OEM) to ensure

equipment safety is maintained.

• Do NOT attempt any maintenance or repair

work not described in this manual.

• After use, the equipment and components

may still be hot – allow the equipment to

cool and disconnect spark plugs and/or

electrical power sources and/or batteries

from it before adjusting, changing

accessories, or performing repair or

maintenance.

• Do NOT adjust while the equipment is

running.

• Perform service-related activities in suitable

conditions, such as a workshop.

• Replace worn, damaged or missing

warning/safety labels immediately.

Wood Chipper & Shredder General Safety

This machine is designed solely to chip wood and must not be used for any other purpose. It should only be used by trained operators who are

familiar with the content of this manual. It is potentially hazardous to fit or use any parts other than your dealer parts. The supplier disclaims all

liability for the consequences of such use, which in addition voids the machine warranty. Operating this Wood Chipper safely is necessary to

prevent or minimize the risk of death or serious injury. Unsafe operation can create a number of hazards for you. Always take the following

precautions when operating:

• Understand and follow the instructions on the machine and in the manual before attempting to assemble or operate the machine. Keep this

manual in a safe place for future and regular reference and for ordering replacement parts.

• Never allow children under 16 years old to operate this machine. Never allow adults to operate this machine without proper instruction.

• Keep bystanders, helpers, pets, and children at least 10m from the machine while it is operation. Stop the machine if someone enters.

• Be familiar with all the controls and their proper operation.

• Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas.

• Do not put hands and feet near rotating parts or in the feeding chambers and discharge opening.

• Do not put metal or stone into the machine.

• Never wear loose clothes or long jewellery and keep your long hair under protective headgear when operating machine.

• Never use the machine on a slope or hard smooth floor.

• Your Wood Chipper is a powerful tool, not a plaything. Exercise extreme caution at all times. The machine is designed to Chip Woods. Do not

use it for any other purpose.

• Know how to stop the Wood Chipper quickly.

• Never operate your unit on a slippery, wet, muddy, or icy surface. Exercise caution to avoid slipping or falling.

• See manufacturer's instructions for proper operation and installation of accessories.

• Never use the machine without ensuring that all guards and shields are in place.

• Never, under any conditions, remove, bend, cut, fit, weld, or otherwise alter standard parts on the Wood Chipper. This includes all shields and

guards. Modifications to your machine could cause personal injuries and property damage and will invalid your warranty.

• If the machine start to make an unusual noise or vibrate, shut down the engine, disconnect the spark plug wire, keeping it away from the spark

plug to prevent accidental starting, wait 5 minutes for engine to cool down, then inspect for damage. Vibration is generally a warning of trouble.

Check damaged parts and clean, repair and/or replace, as necessary.

• Never tamper with safety devices. Check their proper operation regularly.

• Before performing any maintenance or inspection procedure, shut down the engine, disconnect the spark plug wire keeping it away from the

spark plug to prevent accidental starting, wait 5 minutes for machine to cool down.

• Never allow people who are unfamiliar with these instructions to use the Wood Chipper. Allow only responsible individuals who are familiar with

these rules of safe operation to use your machine.

• Never overload or attempt to chip woods beyond the manufacturer's recommendation. It could result in personal injury or damage to the machine.

• While using, don't hurry or take things for granted. When in doubt about the equipment or your surroundings stop the machine and take time to

look things over.

• Never operate the machine when under the influence of alcohol, drugs, or medication.

• Use the machine only in daylight.

• Stay alert for hidden hazards or traffic.

• Keep all nuts and bolts tight and keep the equipment in good operating condition.

Ravenger 1750 Petrol Powered Chipper/Shredder

List of warnings and cautions cannot be all-inclusive. If situations occur that are not covered by this manual, the operator must apply

common sense and operate this wood chipper in a safe manner. Contact local dealers for assistance in your area.

Before Using the Wood Chipper

• Operators must be fully trained before using this machine.

• User Manual is read and understood.

• Machine is positioned on level ground; all guards are fitted and in good condition.

• Blades are in good condition and secure. All blades are sharpened or replaced in sets.

• All fasteners are checked for tightness.

• Only WOODEN materials free of nails etc. are fed into the machine.

• Fire extinguisher is available on site.

When Using the Wood Chipper

• Always feed from the side.

• It is better to have a second trained operator within easy reach of the machine.

• Maintain strict discipline at all times and service machine at specified periods.

• Note direction of discharge chute and if necessary, note the wind direction to prevent debris from being blown into highway or where it could

affect members of the public.

• DO NOT put any part of your body into the in-feed chute while the machine is running.

• DO NOT operate the machine whilst under the influence of alcohol or drugs.

• DO NOT operate inside a building or confined space or Climb on the in-feed chute.

Protecting Yourself and Those Around You

WARNING! This is a high-powered machine, with moving parts operating with high energy. You must operate the machine safely. Unsafe

operation can create a number of hazards for you, as well as anyone else in the nearby area. Always take the following precautions when

using this machine:

• Keep in mind that the operator or user is responsible for accidents or hazards occurring to other people, their property, and themselves.

• Always wear protective goggles or safety glasses with side shields while using the Wood Chipper to protect your eyes from possible thrown

debris.

• Avoid wearing loose clothing or jewellery, which can catch on moving parts.

• We recommend wearing gloves while using the Wood Chipper. Be sure your gloves fit properly and do not have loose cuffs or drawstrings.

• Wear shoes with non-slip treads when using your Wood Chipper. If you have safety shoes, we recommend wearing them. Do not use the

machine while barefoot or wearing open sandals.

• Wear long pants while operating the Wood Chipper.

• Keep bystanders at least 50 feet away from your work area at all times. Stop the engine when another person or pet approaches.

Safety for Children and Pets

WARNING! Tragic accidents can occur if the operator is not alert to the presence of children and pets. Children are often attracted to the

machine and the chipping activity. Never assume that children will remain where you last saw them. Always follow these precautions:

• Keep children and pets at least 50 feet from the working area and ensure they are under the watchful care of a responsible adult.

• Be alert and turn the machine off if children or pets enter the work area.

• Never allow children to operate the Wood Chipper.

Safety with Gasoline - Powered Machines

WARNING! Gasoline is a highly flammable liquid. Gasoline also gives off flammable vapor that can be easily ignited and cause a fire or

explosion. Never overlook the hazards of gasoline. Always follow these precautions:

• Never run the engine in an enclosed area or without proper ventilation as the exhaust from the engine contains carbon monoxide, which is an

odorless, tasteless, and a deadly poisonous gas.

• Store all fuel and oil in containers specifically designed and approved for this purpose and keep away from heat and open flame, and out of the

reach of children.

• Replace rubber fuel lines and grommets when worn or damaged and after 5 years of use.

• Fill the gasoline tank outdoors with the engine off and allow the engine to cool completely. Don't handle gasoline if you or anyone nearby is

smoking, or if you're near anything that could cause it to ignite or explode. Reinstall the fuel tank cap and fuel container cap securely.

• If you spill gasoline, do not attempt to start the engine. Move the machine away from the area of the spill and avoid creating any source of ignition

until the gas vapours have dissipated. Wipe up any spilled fuel to prevent a fire hazard and properly dispose of the waste.

• Allow the engine to cool completely before storing in any enclosure. Never store a machine that has gas in the tank, or a fuel container, near an

open flame or spark such as a water heater, space heater, clothes dryer or furnace.

• Never make adjustments or repairs with the engine running. Shut down the engine, disconnect the spark plug wire, keeping it away from the

spark plug to prevent accidental starting, wait 5 minutes before making adjustments or repairs.

• Never tamper with the engine's governor setting. The governor controls the maximum safe operation speed and protects the engine. Over-

speeding the engine is dangerous and will cause damage to the engine and to the other moving parts of the machine. If required, see your

authorized dealer for engine governor adjustments.

• Keep combustible substances away from the engine when it is hot.

• Never cover the machine while the muffler is still hot.

Ravenger 1750 Petrol Powered Chipper/Shredder

• Do not operate the engine with the air cleaner or the carburettor air intake cover removed. Removal of such parts could create a fire hazard. Do

not use flammable solutions to clean the air filter.

• The muffler and engine become very hot and can cause a severe burn; do not touch.

Training

• Make sure you fully understand the owner's manual before attempting to operate the machine.

Preparation

• Put the machine securely on a level surface.

• Keep the operator area clear of other objects.

• Wear ear protection, safety goggles and gloves while operating the machine.

• Examine the machine ensure it is in good condition, check all the screws, nuts and other fasteners are properly secured and the screen is in

place. Replace unreadable labels.

• Attaching the chip collection bag.

• Pay attention while handling fuels. They are flammable and the vapours are explosive. The points below should be followed.

• Never remove the fuel cap or add fuel with a power source running. Stop engine, allow engine, and exhaust components to cool before

refuelling.

• Never add gasoline and engine oil to the machine indoors.

• Do not smoke while adding gasoline and engine oil.

• Never refuel or store the machine in a place where there is open flame, spark or other ignition object.

• Do not attempt to start the power source if gasoline and engine oil is spilled. Wipe away the spillage and put it far away from the area before

starting the machine.

• Always make sure the fuel cap is securely tightened before starting.

• If the fuel tank needs to be drained, it should be done outdoors.

• The starter handle is located on the engine. Pull the starter handle to start the engine. Check the machine is in proper working condition after

starting engine.

• Top chipper chute/hopper - the top hopper allows twigs and small branches (refer to product listing for max. branch diameter) to be fed into the

unit for chipping. Any debris larger than this must be inserted into the side chute.

• Side chipper chute - refer to the product listing for max. branch diameter. Branches larger than what is stated are not suitable for this unit.

Additional Safety Instructions for Machine with Bagging Attachment

• Before attaching or removing the bag, the engine should be shut off. Cover the discharge opening with a fabric bag and tighten the cord in the

mouth of the bag. When the machine is working, all the chips are collected in the bag. You may take another way to deal with the chips.

DANGER

Running petrol engines in confined areas CAN KILL

IN MINUTES. Engine exhaust fumes contain carbon-

monoxide – a deadly gas that you cannot smell or

see.

NEVER run a petrol engine in confined areas EVEN

IF windows and doors are open. ONLY run petrol

engines OUTDOORS and away from doors, windows

and vents.

Do not operate the equipment in hazardous locations, such

as where there may be a risk of fire or explosions from

flammable liquids, gases or dust.

Do not operate the equipment in confined areas where

exhaust gases, smoke or fumes could reach dangerous

concentrations.

Do not refuel petrol engines while they are running.

Never smoke while refuelling petrol engines.

For generators, the electrical output is potentially lethal and

must only be connected to a fixed electrical installation by

an appropriately licensed person.

Be aware that the equipment may include hazardous

components, such as blades, hot surfaces and moving

parts.

Ravenger 1750 Petrol Powered Chipper/Shredder

Safety Symbols

The product may have safety warning labels attached to it, explained below. Understand the symbols on your

product and their meanings. If any stickers become unreadable, unattached etc., replace them.

Flammable Material Hazard

Flammable liquids, gases, or

substances etc may present.

Avoid ignition sources and open

flames. Danger of fire.

Read User Manual

Read and fully understand

product safety warnings,

operation, procedures etc before

using the product.

Use Hand Protection

Wear appropriate hand protection

and take due care as the product

or use of the product may present

hand hazards.

Carbon-Monoxide Hazard

Do not use the product in

confined areas or without

adequate ventilation. Carbon-

monoxide poisoning can be fatal.

Electrocution / Electrical Shock

Hazard

High voltage or high current

electricity may be present or

required by the product. Take

due care when handling electrical

products, cables, plugs and

leads. Electrical shock can be

fatal.

Toxic Fumes / Dust Hazard

Using the product or by-products

from use may produce fumes,

smoke or particles that could be

harmful if inhaled. Wear

appropriate breathing protection

and have adequate ventilation.

Explosive Material Hazard

Combustible liquids, gases, or

substances etc may be present.

Avoid ignition sources and open

flames. Danger of explosion.

Cutting / Amputation Hazard

The product may have blades,

edges or mechanical devices that

can cause severe cut injury to

fingers, limbs etc. Take due care

when handling and using the

product.

Crush Hazard

The product may have blades,

edges or mechanical devices that

can cause severe crush injury to

fingers, limbs etc. Take due care

when handling and using the

product.

Single Operator Only

The product must be operated by

a single person only. More than

one person operating the product

may introduce additional hazards.

Use Face Protection

Wear appropriate full-face

protection and take due care as

the product or use of the product

may present face and eye

hazards.

Use Foot Protection

Wear appropriate foot protection

and take due care as the product

or use of the product may present

foot hazards.

Use Eye / Ear / Head Protection

Wear appropriate eye and / or

ear and / or head protection and

take due care as the product or

use of the product may present

eye, hearing, and head hazards.

Running Hazard

Do not run on or near the product

as doing so may present a fall

hazard.

Diving Hazard

Do not dive into the product as

doing so may present a neck /

head injury hazard.

Adult Supervision Required

Always supervise children and

other users of a product to

prevent drowning or injury.

Skin Penetration / Puncture

Hazard

The product may produce

pressure, emit liquids or objects

that can cause severe injury to

fingers, limbs, blood etc. Take

due care when handling and

using the product.

Hot Surface Hazard

Be aware that the product may

produce high temperatures and

hot surfaces that can cause burn

injuries.

Flying Debris Hazard

Be aware that the product or use

of the product may present

hazards produced by flying

debris. Wear appropriate clothing

and protective devices.

Moving Parts Hazard

Be aware that the product

contains or uses mechanical

devices that move or rotate.

Always wait for moving parts to

stop fully before handling the

product, adjusting, maintenance

etc.

Ravenger 1750 Petrol Powered Chipper/Shredder

Carbon-Monoxide Hazard

Do not use the product in

confined areas or without

adequate ventilation. Carbon-

monoxide poisoning can be fatal.

Pull Hazard

Be aware that the product

contains or uses mechanical

devices that can pull in objects

and can cause severe injury to

fingers, limbs etc. Take due care

when handling and using the

product.

Slope / Fall Injury Hazard

Be aware that using the product

on sloping surfaces or in slippery

conditions may present additional

dangers from falls and contact

with blades, moving parts, hot

surfaces etc.

"Slam Dunk" Warning

Do NOT attempt "slam dunk"

manoeuvres as this may result in

severe injury due to falling,

product breakage or collapse etc.

Electrocution / Electrical Shock

Hazard - Outdoor

High voltage or high current

electricity may be present or

required by the product. Do NOT

use in rain, damp, or wet

conditions. Electrical shock can

be fatal.

Electrocution / Electrical Shock

Hazard - Disconnect

High voltage or high current

electricity may be present or

required by the product. Always

disconnect the product from the

electrical supply before handling

the product, adjusting,

maintenance etc.

Power Line Electrocution

Hazard

High voltage / high current power

lines may be present. Use

extreme caution to avoid contact

or interference with power lines.

Electrical shock can be fatal.

"Kick-Back" Hazard

High level of "kick-back" hazard

that can cause the machine to

suddenly rotate towards operator.

Kick-back injury can be fatal.

Winch Operator Position

Hazard

Do NOT stand between winch

and load. Do NOT use winch to

move people.

Winch Lift Hazard

Do NOT LIFT load vertically. Use

machine to PULL only.

Cable Hazard

Ensure that load bearing cable is

not kinked or knotted.

Winch Cable Hazard

Ensure that there is a minimum

number of cable coils on

winching mechanism.

Winch Hook Hazard

Carry hook to load – do NOT

throw or run.

Flash / Blinding Hazard

Wear appropriate eye protection

for welding. Direct exposure to

weld arcs may cause permanent

eye injury.

Laser Hazard

Laser may be in use – do NOT

look directly at laser or allow

others to.

Ravenger 1750 Petrol Powered Chipper/Shredder

Table of Contents

Safety ............................................................................................................................................................. 2

Safety Symbols ........................................................................................................................................................... 6

Parts Identification ....................................................................................................................................... 9

Assembly ..................................................................................................................................................... 11

Operation ..................................................................................................................................................... 15

Branch Chipping ....................................................................................................................................................... 15

Leaves and Grass Shredding ................................................................................................................................... 16

Maintenance and Storage .......................................................................................................................... 17

General Maintenance ............................................................................................................................................... 17

Sharpening the Blades ............................................................................................................................................. 17

Adjusting the Belt ...................................................................................................................................................... 18

Replacing the Belt ..................................................................................................................................................... 18

Adjusting the Hammers ............................................................................................................................................ 18

Specifications ............................................................................................................................................. 19

Ravenger 1750 Petrol Powered Chipper/Shredder

Parts Identification

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Ravenger 1750 Petrol Powered Chipper/Shredder

No. Description Qty No. Description Qty

1 Rubber foot 2 32 Spacer (right) 1

2 Front foot 1 33 Impeller 1

3 Flat washer many 34 Key 1

4 Hex nut many 35 Rear board 1

5 Lock washer many 36 Engine seat 1

6 Hex bolt 1 37 Tool box 1

7 Discharge chute 1 38 Rubber gasket 1

8 Movable door 1 39 Hopper 1

9 Tube 3 40 Handles 2

10 Screen 1 41 Hook 2

11 Pin 2 42 Hex bolt many

12 Hitch pin 2 43 Burn-proof net 1

13 Door axle 4

14 Spacer I 4 45 V-belt 1

15 Spacer II 4 46 Pulley cover 1

16 Spacer III 16 47 Belt cover bracket 1

17 Hammer 4 48 Spacer 1

18 Spacer VI 4 49 Pulley 1

19 Roll pin 4 50 Special washer (left) 1

20 Hammer axle 1 51 Washer (right) 1

21 Blade 3 52 Box frame side 1

22 Flat HD SCR 1 53 Wheel tube 2

23 Box frame side left 2 54 Wheel axel 1

24 Wheel 1 55 Front handle 2

25 Wheel support 1 56 Handle part 2

26 Blade cover plate 1 57 Box holder 2

27 Wire circlip 1 61 Bolt many

28 Washer (right) 1 62 Bolt many

29 Chipping chute 2

30 Bearing seat 2

31 Ball bearing 2

NOTE: Specifications are subject to change without notice. Spare parts available for purchase, scan QR

code below:

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Ravenger 1750 Petrol Powered Chipper/Shredder

Assembly

Unpack and check contents. Remove all the items from the box. If any parts are missing, contact the

supplier immediately. Assembly should be done on a clean, level surface with another person.

1. Remove the machine from the crate and put it on a wooden shelf. See Figure 1.

Figure 1

2. Attach the front foot (2) to the machine’s main body. See Figure 2.

Figure 2

Video Tutorial:

Assembly

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Ravenger 1750 Petrol Powered Chipper/Shredder

a. Remove the nuts from the bolts (61), remove the bolts and tube (9).

b. Forward the parts box to make the pin (11) clear.

c. Pull the discharge hopper out of the parts box and align the holes (61).

d. Hitch the front foot (2) to the side board of the parts box and align the mounting holes with the holes (61).

e. Put the tube (9) that was removed in step 2.a. back in place. Insert the bolts and secure them tightly with

gaskets and nuts.

3. Attach the rear wheel support (25), axle (53) and wheels (24). See Figure 3.

Figure 3

a. Remove the wood shelf.

b. Disassemble the bolt (62).

c. Put the rear wheel support (25) in place and align the mounting hole with the hole (62).

d. Insert M8*20 bolts into the holes (62) from the outside to the inside and secure it slightly with a gasket

and nut.

e. Reassemble the bolt (62) and secure it tightly with gasket and nut. Then screw the nut (62) tightly in

place.

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Ravenger 1750 Petrol Powered Chipper/Shredder

4. Attach the chipping chute (29) to the machine’s main body.

Figure 4

a. Put the chipping chute (29) in place on the side of the machine’s main body. Align the four mounting

holes in the flange with four holes around location A.

b. Secure the flange with gaskets and nuts M8. Make sure the chipping chute (29) has no deflection before

tightening the nuts.

5. Mounting the screen (10):

a. Remove the thumbscrews on both sides of the movable door (8) and lift the door on the highest position.

Hook the screen on the axis of the door and clamp the screen with the spring to prevent the screen from

falling off.

b. Put the lower part of the screen outside of the lower axis in the discharge opening. Tighten the screws

M5*15 on the left and right side of discharge opening to secure the screen.

6. Mounting the two handles (40).

7. Safety instructions for machine with bag attachments. Cover the discharge opening with the nylon bag and

tighten the tie. When the machine is working, the chips are collected in the bag.

8. Check all the screws, bolts, nuts and tighten them if they get loose.

9. Add gasoline and engine oil to the engine.

a. There is no gasoline and engine oil in the new engine.

b. Open the cover of fuel tank and add pure gasoline. See Figure 5. Do not fill closer than 10mm to 15mm

from the top of the fuel tank.

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Ravenger 1750 Petrol Powered Chipper/Shredder

Figure 5

c. Open the cover and pull the dipstick out. See picture 6. Engine oil 10W-30 and 5W-30 are available. Fill

the engine oil to the level mark between the maximum and minimum on the dipstick.

Figure 6

d. Refer to "Starting the Engine" for the instruction of adding fuel.

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Ravenger 1750 Petrol Powered Chipper/Shredder

Operation

CAUTION!  Make sure the plastic cover on upper hopper is closed when your shredder is running.

Flying chips are very hazardous.  Use a thick wooden stick to push the material into the feed hopper.

Do not use your hands or metal tools.  Keep your face and body away from the feed intake opening.  Do not

allow hands or any other parts of the body or clothing inside the feed hopper, discharge chute, or other rotating

parts.  Be aware of the hot muffler, when the machine is in operation touching the muffler will cause burns. 

Keep proper balance and footing at all times. Do not overreach. Never stand at a higher level than the hopper of

the machine when feeding material into it.  The operator should be extremely careful that pieces of metal,

stone, glass, or other foreign objects are not put into the intake opening together.  Please check if there is an

abnormal noise or shaking of the machine. If so, please turn off engine immediately and solve the problem.

Please inspect for damage; check for and tighten any loose part; have damaged parts replaced or repaired with

parts having equivalent specifications.  Big branches are fed comparatively slowly and branches larger than the

yellow ring on hopper can't be put into the machine.  Do not allow processed material to build up in the

discharge zone; this may prevent proper discharge and can result in kickback of material through the feed intake

opening.  If the machine becomes clogged, shut-off the power source before clearing the debris. Keep the

power source clear of debris and other accumulations to prevent damage to power source or possible fire. 

Never put something on the cover of hopper in case it may fall into the machine.  Make sure the opening of the

chipping chute is always covered while not at work in case children place their hands into the chute.  To move

the machine, firmly hold the handle with both hands, step on the shaft on the rear wheel with one foot, lift the

front of machine, pay attention to the centre of gravity of machine, walk slowly forward, backward or turn around.

 Before operating the machine, please check the direction of the wind to avoid working downwind of exhaust. 

Keep all guards and deflectors in place and in good working condition.  Muffler and engine become hot and can

cause a burn. Do not touch.  Turn off machine before transporting the machine.  Do not tilt the machine while

the engine is running.

Branch Chipping

1. Long branches like sunflower stems, corn stems and tree branches etc. are fed into the side chipping chute

(29) for chipping by the rotating blade.

2. Some side shoots and branches may have to be trimmed from the main stalk before chipping.

3. Short stubs of branches may be pushed through the chipper section with the next branch, NEVER USE

YOUR HAND!

4. The last branch is pushed inside the tube by a tool like a wooden stick. NEVER USE YOUR HAND!

5. Never push the small branches by hand, USE A WOODEN STICK INSTEAD.

6. When feeding branches, be certain that thicker branches are pushed slower than thin ones. A technique and

understanding will be acquired to successfully shred very soon.

7. Do not allow any accumulation of processed material to build up under discharge of the shredder-chipper as

this can result in clogging. Use wooden tools to clear the buildup.

8. Do not put your face close to the feed hopper. This may result in injury.

9. Do not stand in front of the discharge opening and never attempt to open the outlet of the discharge while

the machine is in operation.

10. Set the cover back in place inside the chipping chute once chipping is done.

Video Tutorial:

Starting a 4-Stroke

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Ravenger 1750 Petrol Powered Chipper/Shredder

Leaves and Grass Shredding

1. Leaves and short stalk (bean plants), cobs, sod and similar material should be fed into the hopper and

chipped in 16 interlaced chipping hammers.

2. Do not open the plastic cover when adding more material.

3. If the leaves and similar material proves difficult to enter the hopper, use a wooden stick to push them in,

instead of by hand, or other metal bars.

4. Keep your face and body away from the feed hopper to avoid being struck by any material that may bounce

back.

5. The discharge area is easily clogged if the material is moist. Always stop the engine before clearing build-up

with wood tools. Never use your hand or foot.

6. Never attempt to clear an accumulation of processed material when engine is still on operating.

7. For the processing of organic garden mulch, complete the following:

− Put the discharge towards a wall, large board, or other obstruction. Open the discharge door and remove

the screen to allow the processed material to pile up. With a garden spade, feed this material into the

shredder until it reaches the amount you want.

− Keep pets and bystanders away from the discharge area while the machine is in operation. Set the

screen back to the place and close the discharge door when shredding is finished.

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Ravenger 1750 Petrol Powered Chipper/Shredder

Maintenance and Storage

General Maintenance

•

When the machine needs servicing, inspection, or storage, or to replace a part, turn off the engine, make

sure all the moving parts are completely stopped and allow the machine to cool before making any

inspections, adjustment etc.

•

Store the machine where fuel vapours will not reach an open flame or spark. If the machine is stored for a

long time, drain the fuel out of the machine. Make sure the machine is cool before storing.

•

When the cutting blades need servicing, remove them manually when the machine is stopped.

Sharpening the Blades

The cutting blade is made of special material and the blade is very sharp after heating treatment, it may be dull

after being used for some time.

Judgment for dull blade: when the chipping sound becomes very ponderous and the belt always skids while it is

not loose, or feeding speed gets slow, please remove the blade and check if it is dull.

1. Turn OFF the engine before removing the blade (21).

a. Remove the blade cover plate (26).

b. Remove the movable door (8).

c. Open the discharge screen (10).

2. Wear safety gloves, turn the blade tray to a proper position.

3. Remove the location screw on the blade.

4. Sharpen the blade.

a. If the blade is damaged by metal or stone or other hard objects, please sharpen the damaged area.

b. Avoid the blade color change due to high temperature when sharpening the blade.

c. It may result in a breach on the edge if you over force it.

d. Knifepoint angle should be kept in 45-40 degree.

5. Position the blade in its location and tighten the nuts.

6. Set back the board cover plate (26).

7. Set back the discharge screen (10).

8. Set back the movable door (8).

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Ravenger 1750 Petrol Powered Chipper/Shredder

Adjusting the Belt

There is a "V" belt under the belt guard transmitting energy from the engine to the blade tray. The belt will

become loose and skid after use for some time. So tension adjustment is required.

1. Turn off the engine and remove the belt cover.

2. Loosen the four location nuts on the engine.

3. Move engine forward until the "V" belt is tight.

4. Put the main pulley and affiliated pulley in the same plane. (A long ruler can be used to measure as a guide).

Tighten the four location holes on the engine.

5. Set the belt cover back to its place.

Replacing the Belt

The "V" belt needs to be replaced if it is too long or damaged.

1. Turn off the engine and remove the belt cover.

2. Remove the old belt. Pull the belt outward by tools and turn the pulley gradually to remove the belt.

NOTE: PLEASE MIND YOUR FINGERS!

3. Place the new belt in the main pulley first ("V" belt on engine) and then to the affiliated pulley beside the

blade tray.

4. The new belt is tighter than the old one. When you hold the belt into the slot, do not put your finger between

the pulley and belt, which may result in injury.

5. Set back the belt cover.

Adjusting the Hammers

There are 16 hammers in the machine box, when the blades are running fast, these hammers will forcefully hit

the raw material constantly and crush them into small pieces. After the machine has worked for a certain period,

the cutting edge of the hammer will become blunt. Then, the operator needs to reinstall the hammers to overturn

them 180º, let the blunt edge backward and the sharp edge forward. When both sharp edges of one end of the

hammer become blunt, we can also replace this end with the other end which has sharp edges.

1. Turn off the engine before adjusting the hammer.

2. Open the side door of the outlet of discharge, remove the discharge screen.

3. Remove the blade cover plate.

4. Remove the upper hopper.

5. Wearing safety gloves; turn the hammer to the upper position of one axle.

6. Turn the axle of the hammer; remove the roll pin which is at the end of the axle. There are four roll pins and

make sure take all the roll pins out of the axle.

7. Place the axle of the hammer in the middle of the board covering the blade, then pull out the axle.

8. Place the blunt edge of the hammer to the reverse and install them onto the axle.

9. After adjusting the hammers, refit the roll pins (19).

10. Set back the upper hopper (39).

11. Set back the discharge screen (10).

12. Set back the blade cover plate (26).

13. Set back the outlet of the movable door (8).

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Ravenger 1750 Petrol Powered Chipper/Shredder

Specifications

Manufacturer Michigan Power Equipment

Engine Michigan 4-Stroke OHV Engine

Displacement 420cc

Max. Output (11.25kw) 15.0HP / 3600 rpm

Starting System Recoil Pull Start

Fuel Tank Capacity 7.0L

Engine Oil Type

10W-30, 10W-40, 15W-30, OR 15W-40 non-synthetic engine

oil (not included with purchase)

Fuel Type Regular Unleaded 95 +RON

Oil Capacity 1.1 L

Chipping Capacity Please refer to the product’s listing

V-Belt Size / Type B 1092mm

Please note, this model is not designed for tough fibrous material, such as flax, vines or palm fronds

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Some experts believe that the incorrect or prolonged use of almost any

product may cause serious injury or death. To help reduce your risk of

serious injury or death, refer to the information below. For more information,

see www.datastreamserver.com/safety



Consult all documentation, packaging,

and product labelling before use. Note

that some products feature

documentation available online. It is

recommended to print and retain the

documentation.



Before each use, check the product for

loose/broken/damaged/missing parts,

wear, or leaks (if applicable). Never use a

product with

loose/broken/damaged/missing parts,

wear, or leaks.



Products must be inspected and serviced

(if applicable) by a qualified technician

every 6 months. This is based on

average residential use by persons of

average size and strength, and on a

property of average metropolitan size.

Use beyond these recommendations may

require more frequent

inspections/servicing.



Ensure that all users of the product have

completed a suitable industry recognised

training course before being allowed

access to the product.



The product has been supplied by a general merchandise

retailer that may not be familiar with your specific

application or description of application. Be sure to attain

third-party approval from a qualified specialist for your

application before use, regardless of any assurances from

the retailer or its representatives.



This product is not intended for use where fail-safe

operation is required. As with any product (for example,

automobile, computer, toaster), there is the possibility of

technical issues that may require the repair or

replacement of parts, or the product itself. If the possibility

of such failure and the associated time it may take to

rectify could in any way inconvenience the user, business,

or employee, or financially affect the user, business, or

employee, then the product is not suitable for your

requirements. This product is not intended for use where

incorrect operation or a failure of any kind, including but

not limited to, a condition requiring product return,

replacement, parts replacement, or service by a

technician may cause financial loss, loss of employee

time or an inconvenience requiring compensation.



If this product has been purchased in error when

considering the information presented here, contact the

retailer directly for details of their returns policy, if

required.

ideas, diagrams, or images may be reproduced or transmitted in any form or by any means, electronic or

mechanical, including photocopying, scanning, or recording, or any information storage and retrieval system,

without express permission or consent from the publisher.

MICHIGAN CHPTRDMCHA1M7 18HP 420cc Petrol Commercial Wood Chipper

Product's Documents

Product manual

Specifications

MICHIGAN CHPTRDMCHA1M7 Questions and Answers