OPERATOR’S MANUAL ELECTRIC PRESSURE WASHER


Some of the following symbols may be used on this product. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the product better and safer.


The following signal words and meanings are intended to explain the levels of risk associated with this product.

SERVICE
Servicing requires extreme care and knowledge and should be performed only by a qualified service technician. For service we suggest you return the product to your nearest AUTHORIZED SERVICE CENTER for repair. When servicing, use only identical replacement parts.
WARNING
To avoid serious personal injury, do not attempt to use this product until you read thoroughly and understand completely the operator’s manual. If you do not understand the warnings and instructions in the operator’s manual, do not use this product. Call GREENWORKS customer service for assistance.
WARNING
The operation of any power tool can result in foreign objects being thrown into your eyes, which can result in severe eye damage. Before beginning power tool operation, always wear safety goggles or safety glasses with side shields and, when needed, a full face shield. We recommend Wide Vision Safety Mask for use over eyeglasses or standard safety glasses with side shields. Always use eye protection which is marked to comply with ANSI Z87.1.
This product has a precision-built electric motor. It should be connected to a power supply that is 120 volts, AC only (normal household current), 60 Hz. Do not operate this product on direct current (DC). A substantial voltage drop will cause a loss of power and the motor will overheat. If the product does not operate when plugged into an outlet, double-check the power supply.
To prevent water from flowing along the power cable, and possibly reaching the electrical outlet and plug, we recommend using a simple drip loop as shown below.

WARNING
Keep the cord clear of the working area. Position the cord so that it will not get caught on lumber, tools, or other obstructions while you are working with a power tool. Failure to do so can result in serious personal injury.
WARNING
Double insulation is a concept in safety in electric power tools, which eliminates the need for the usual three-wire grounded power cord. All exposed metal parts are isolated from the internal metal motor components with protecting insulation. Double insulated products do not need to be grounded.
This unit is equipped with a Ground Fault Circuit Interrupter (GFCI), which guards against the hazards of ground fault currents. An example of ground fault current is the current that would flow through a person who is using an appliance with faulty insulation and, at the same time, is in contact with an electrical ground such as a plumbing fixture, wet floor, or earth.
GFCI plugs do not protect against short circuits, overloads, or shocks.
WARNING
TO PROTECT AGAINST ELECTRIC SHOCK TEST BEFORE EACH USE
The safe use of this product requires an understanding of the information on the tool and in this operator’s manual as well as a knowledge of the project you are attempting. Before use of this product, familiarize yourself with all operating features and safety rules.

Remove the cap from the detergent tank to add detergent to the pressure washer.
The pressure washer is equipped with a GFCI plug to guard against the hazards of ground fault currents. This plug does not protect against short circuits, overloads, or shocks.
A convenient hose reel stores the high pressure hose when the pressure washer is not in use.
This Pressure washer is equipped with an Auto Start/Stop feature. To operate: Press power switch On (I). Pump will pressurize and shut down immediately. Once the trigger of the gun is depressed the unit will turn on. Unit will shut off and be in standby mode when trigger is released.
The power cord can be wrapped and stored with the hook and loop strap located on the lower handle.
The folding handle allows the handle to be lowered for convenient storage.
The Trigger and Wand allows you to operate the pressure washer by depressing the trigger to activate the pump to spray water using the desired nozzle tip.
This product requires assembly.
WARNING
Do not use this product if any parts on the Packing List are already assembled to your product when you unpack it. Parts on this list are not assembled to the product by the manufacturer and require customer installation. Use of a product that may have been improperly assembled could result in serious personal injury.

WARNING
If any parts are damaged or missing do not operate this product until the parts are replaced. Use of this product with damaged or missing parts could result in serious personal injury.
WARNING
Do not attempt to modify this product or create accessories not recommended for use with this product. Any such alteration or modification is misuse and could result in a hazaardous condition leading to possible serious personal injury.
WARNING
Do not connect to power supply until assembly is complete. Failure to comply could result in accidental starting and possible serious personal injury.

ASSEMBLING THE SPRAY WAND


CAUTION:
Always observe all local regulations when connecting hoses to the water main. Some areas have restrictions against connecting directly to public drinking water supply to prevent the feedback of chemicals into the drinking water supply. Direct connection through a receiver tank or backflow preventer is usually permitted.
NOTE: There must be a minimum of 10 feet of unrestricted garden hose between the water intake and the garden hose faucet or shut off valve (such as a “Y” shut off connector).

WARNING
Do not allow familiarity with the product to make you careless. Remember that a careless fraction
WARNING
Always wear eye protection with side shields marked to comply with ANSI Z87.1. Failure to do so could result in objects being thrown into your eyes resulting in possible serious injury.
WARNING
Do not use any attachments or accessories not recommended by the manufacturer of this product. The use of attachments or accessories not recommended can result in serious personal injury.
WARNING
Never direct a water stream toward people or pets, or any electrical device. Failure to heed this warning could result in serious injury.
You may use this product for the purposes listed below:
Use only detergents designed for pressure washers; household detergents, acids, alkalines, bleaches, solvents, flammable materials, or industrial grade solutions can damage the pump. Many detergents may require mixing prior to use. Prepare cleaning solution as instructed on the solution bottle.
Soap is applied under low pressure high volume for optimum performance.
Soap can not be applied under high pressure with this machine.
To add:
CAUTION
Use only approved pressure washer cleaners. Do not use bleach, chlorine,or any cleaners containing acids.
To use:
The dial is used to control the suction between detergent tanks.
NOTE: Use a funnel, if needed, to prevent accidental spilling of the detergent outside the tank. If any deter-gent is spilled during the filling process, make sure the unit is cleaned and dried before proceeding.

CAUTION:
Do not run the pump without the water supply connected and turned on.
NOTE: If the pressure washer pulsates and the water stream is intermittent turn the pressure washer off and continue to bleed air out of the system. Ensure to check that the garden hose is fully turned on and not kinked.

NOTE: The pressure washer may be on and the system may have pressure even when the pump and/or motor cannot be heard running. Always use caution around the pressure washer.
WARNING
Hold the trigger handle securely with both hands. Expect the trigger handle to move when the trigger is pulled due to reaction forces. Failure to do so could cause loss of control and injury to yourself and others.
NOTE: AUTO ON/OFF SWITCH: This Pressure washer is equipped with an Auto Start/Stop feature. To operate: Press power switch On (I). Pump will pressurize and shut down immediately.Once the trigger of the gun is depressed the unit will turn on. Unit will shut off and be in standby mode when trigger is released.
Soap is applied under low pressure high volume for optimum performance.
Soap cannot be applied under high pressure with this machine.
Each of the nozzles has a different spray pattern. Before starting any cleaning job, determine the best nozzle for the job. The following chart offers some general guidelines to help you choose the best nozzle for your application.
NOTE: Always try noxxels in an inconspicuous are first.



WARNING
NEVER change nozzles without engaging the lock-out on the trigger handle and NEVER point the wand at your face or at others. The quick-connect feature contains small springs that could eject the nozzle with some force. Failure to heed this may cause personal injury.
Turn off the pressure washer and shut off the water supply. Pull trigger to release water pressure.
Remove the nozzle by placing hand over nozzle then pulling back the quick-connect collar. Place nozzle in the nozzle storage area on the units folding handle.
For greater control and safety, keep both hands on the trigger handle at all times.
Pull back and hold the trigger to operate the pressure washer.
Release the trigger to stop the flow of water through the nozzle .
Push up on the lock-out unit it clicks into the slot.
Push the lock-out down and into its original position. For the most effective cleaning, the spray nozzle should be between 8 in. and 24 in. from the surface to be cleaned. If the spray is too close it can damage the cleaning surface.
Use only degerents designed for pressure washer. Many detergentd may require mixing prior to use. Prepare cleaning solution as instructed on the solution bottle.

To clean:
To rinse:
To move the pressure washer:
WARNING
When servicing, use only identical replacement parts. Use of any other parts may create a hazard or cause product damage.
WARNING
Always wear eye protection with side shields marked to comply with ANSI Z87.1. Failure to do so could result in objects being thrown into your eyes, resulting in possible serious injury.
WARNING
Before inspecting, cleaning or servicing the machine, shut off motor , wait for all moving parts to stop, disconnect unit from power supply, and pull trigger to release water pressure. Failure to follow these instructions can result in serious personal injury or property damage.
Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use clean cloths to remove dirt, dust, oil, grease, etc.
WARNING
Do not at any time let brake fluids, gasoline, petroleum-based products, penetrating oils, etc, come in contact with plastic parts. Chemicals can damage, weaken or destroy plastic which may result in serious personal injury..
Only the parts shown on the parts list are intended to be repaired or replaced by the customer. All other parts should be replaced at an authorized service center.
Excessive pump pressure (a pulsing sensation felt while squeezing the trigger) may be the result of a clogged or dirty nozzle.
NOTE: Never point the spray wand at your face Using the nozzle cleaning tool provided, free any foreign materials clogging or restricting the nozzle opening. Refer to Fig. 12

Store in a dry, covered area where the weather can’t damage it.
It is important to store this product in a frost-free area. Always empty water from all hoses, the pump, and the detergent container before storing.
NOTE: Use of a pump saver will give you better performance and increase the life of the machine.
If you cannot do the Optimum Winterizing procedure, you can still protect your pressure washer from winter-damage by following the steps below:
CAUTION:
Drain gun assembly of any remaining water. Aim gun downwards and squeeze trigger.
With the pressure washer disconnected from power, water and depressurized.

WARNING
Turn off water supply and squeeze trigger to depressurize the unit. Failure to do so could result in personal injury due to discharge of high-pressure water.
TAKING A BREAK
If taking a break of five minutes or more.
CAUTION:
The use of a pump protector is recommended to prevent cold weather damage during storage over the winter months.
| PROBLEM | POSSIBLE CAUSE | SOLUTION |
| Motor will not start. |
On/Off switch is in the “OFF” (O) position. Power cord is not plugged in. Electrical outlet does not supply adequate power. Tripped pressure washer circuit breaker. Power switch is ON however gun trigger is not squeezed ON. |
Turn switch to the “ON” ( | ) position. Plug in power cord. Try a different outlet. Allow to cool, and restart unit. With power switch ON push in on the gun trigger which will engage the AUTO ON switch. |
| Unit does not reach high pressure. |
Diameter of garden hose is too small. Water supply is restricted. Not enough water supply. Water inlet filter is clogged. Power nozzle is in low-pressure position. |
Replace with a 1” (25 mm) or 5/8” (16 mm) garden hose. Check garden hose for kinks, leaks and blockage. Open water source fully. Remove filter and rinse in warm water. Turn power nozzle to high-pressure position. |
| Output pressure varies high and low. |
Not enough inlet water supply. Pump is sucking air. Water inlet filter is clogged |
Turn water on fully. Check garden hose for kinks, leaks or blockage. Check that hoses and fittings are airtight. Turn “OFF” machine, and purge pump by squeezing trigger gun until a steady flow of water emerges through the nozzle. Remove filter and rinse with warm water. |
| PROBLEM | POSSIBLE CAUSE | SOLUTION |
| Output pressure varies high and low. (continnued) |
Discharge nozzle is obstructed. Calcified gun, hose or power nozzle. |
Blow out or remove debris with a fine needle. Run distilled vinegar through detergent tank |
| Detergent is not coming out. |
Is detergent tank seletor on and the correct tank slected? Detergent bottle or suction tube not properly connected. Detergent is too thick. Filter on detergent suction tube is clogged. Damaged or clogged detergent suction tube. Nozzle is in high-pressure position. Discharge nozzle is obstructed. |
Select the correct tank, either A or B. Check connections. Dilute detergent. Run warm water through filter to remove build-up. Remove obstruction or replace detergent suction tube. Turn nozzle tip to low-pressure position. Blow out or remove debris with a fine needle. |
| Garden hose connection leaks. |
Loose fittings. Missing/worn rubber washer. |
Tighten fittings.
Insert new washer. |
| Spray wand, extension, or nozzle leaks. | Broken o-ring or plastic insert. | Call the Toll-Free Hotline. |
| Pump is noisy | Pump is sucking air.
Water filter is clogged. |
Check that hoses and fittings are airtight. Turn off machine and purge pump by squeezing trigger gun until a steady flow of water emerges through the nozzle.
Remove water filter and rinsee in warm water. |
| Water leaks from pump (up to 10 drops per minute is permissible) |
Loose fittings Water seals are damaged or worn |
Check that all fittings are tight call the Toll-Free Hotline |
| Oil is dripping | Oil seals are damaged or worn. | Call the Toll-Free Hotline |
| PROBLEM | POSSIBLE CAUSE | SOLUTION |
| Motor buzzes but fails to run |
Supply voltage below minimum. System has residual pressure. Voltage loss due to extension cord. Pressure washer not used for long periods. Residual friction among components. Unit might hum. |
Verify that only the pressure washer is running on this circuit. Turn unit “OFF”, squeeze trigger on spray wand to release pressure, then turn unit “ON”. Unplug any extension cords attached and plug the unit directly into the outlet. Call the Toll-Free Hotline. Disconnect water supply and power ON for 2 to 3 seconds, repeat couple times or until the motor starts. |
| No Water |
Quick connect assembly is attached in reverse. Water supply is OFF. Kink in the garden hose. |
Verify that Inlet adapter (G2) is attached to machine’s water inlet and that the quick connect coupler (G1) is attached to garden hose. Turn ON water supply. Remove kink in garden hose. |
NOTE: AUTO ON/OFF SWITCH: This Pressure washer is equipped with an Auto Start/Stop feature. To operate: Press power switch On (I). Pump will pressurize and shut down immediately.Once the trigger of the gun is depressed the unit will turn on. Unit will shut off and be in standby mode when trigger is released.
Reference file: Greenworks 5101902 2000-PSI PSI 1.2 GPM Cold Water Electric Pressure Washer
Additionally, the document applies to other Greenworks models: GPW2001