Dewalt DCH133B Instruction Manual

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English

Storage Recommendations

1. The best storage place is one that is cool and dry, away

from direct sunlight and excess heat or cold.

2. For long storage, it is recommended to store a fully

charged battery pack in a cool dry place out of the

charger for optimal results.

nOTE: Battery packs should not be stored completely

depleted of charge. The battery pack will need to be

recharged before use.

SAVE THESE INSTRUCTIONS FOR

FUTURE USE

COMPONENTS (FIG. A)



WARNING: Never modify the power tool or any part

of it. Damage or personal injury couldresult.

Refer to Figure A at the beginning of this manual for a

complete list ofcomponents.

INTENDED USE

Your heavy-duty cordless rotary hammers are designed for

professional concrete drilling and chiselingapplications.

DO nOT use under wet conditions or in presence of

flammable liquids orgases.

Your heavy-duty cordless rotary hammers are professional

power tools.

DO nOT let children come into contact with the tool.

Supervision is required when inexperienced operators use

thistool.

ASSEMBLY AND ADJUSTMENTS



WARNING: To reduce the risk of serious personal

injury, turn unit off and remove the battery pack

before making any adjustments or removing/

installing attachments or accessories. An

accidental start-up can causeinjury.

Side Handle and Depth Rod (Fig. A, D)



WARNING: To reduce the risk of personal injury,

ALWAYS operate the tool with the side handle

properly installed. Failure to do so may result in

the side handle slipping during tool operation and

subsequent loss of control. Hold tool with both hands

to maximizecontrol.

The side handle

3

clamps to the front of the gear case

and may be rotated 360˚ to permit right- or left-hand use.

The side handle must be tightened sufficiently to resist the

twisting action of the tool if the accessory binds or stalls. Be

sure to grip the side handle at the far end to control the tool

during astall.

To loosen side handle, rotatecounterclockwise.

To Adjust the Depth Rod (Fig. D)

1. Push in and hold the depth rod release button

9

on the

side handle.

2. Move the depth rod

8

so the distance between the

end of the rod and the end of the bit equals the desired

drilling depth.

Fig. D

3. Release the button to lock rod into position. When

drilling with the depth rod, stop when end of rod

reaches surface of material.

Bit and Bit Holder



WARNING: Burn Hazard. ALWAYS wear gloves when

changing bits. Accessible metal parts on the tool and

bits may get extremely hot during operation. Small

bits of broken material may damage barehands.

The hammerdrill can be fitted with different bits depending

on the desired application. Use sharp drill bits only.

Bit Reccomendations

• For wood, use twist bits, spade bits, power auger bits or

hole saws.

• For metal, use high-speed steel twist drill bits or

holesaws. Use a cutting lubricant when drilling metals.

The exceptions are cast iron and brass which should be

drilleddry.

• For masonry, such as brick, cement, cinder block, etc.,

use carbide-tipped bits rated for percussiondrilling.

SDS Plus Bit Holder (Fig. E)

nOTE: Special adapters are needed to use the SDS Plus bit

holder with straight shank bits and hexagonal screwdriver

bits. Refer to Optional Accessories.

To insert a drill bit or other accessory:

1. Insert the shank of the bit about 19mm (3/4") into SDS

Plus tool holder

11

2. Push and rotate bit until it locks in place. The bit will be

securelyheld.

3. To release bit, pull the sleeve

14

back and remove

thebit.

Fig. E

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Dewalt DCH133B 20V MAX 1 in. Brushless Cordless SDS PLUS D-Handle Rotary Hammer Tool Only

Instruction Manual - Page 10