DeWalt DCH735 Original Instructions Manual Download

Page: 38 / 168

EnGLIsh

Operation Modes (Fig. A)

WARNING:

Do not select the operating mode when the

tool is running.

CAUTION:

Never use in Rotary Drilling or Rotary

Hammering mode with a chisel bit in the bit holder.
Personal injury and damage to the the tool may result.

Your tool is equipped with a mode selector dial

to select the

mode appropriate to desired operation.

Proper Hand Position (Fig. A, E)

WARNING:

To reduce the risk of serious personal injury,

ALWAYS

use proper hand position as shown.

WARNING:

To reduce the risk of serious personal

injury,

ALWAYS

hold securely in anticipation of a

sudden reaction.

Proper hand position requires one hand on the side handle

with the other hand on the main handle

OPERATION
Instructions for Use

WARNING:

Always observe the safety instructions and

applicable regulations.

WARNING:

To reduce the risk of serious personal

injury, turn tool off and disconnect battery pack
before making any adjustments or removing/
installing attachments or accessories.

An accidental

start‑up can cause injury.

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 rotary hammer can be fitted with various drill and chisel
bits. depending on the desired application.

Use sharp drill and

chisel bits only.

Inserting and Removing SDS max® Accessories
(Fig. D)

This machine uses SDS max

bits and chisels (refer to the inset

in Figure D for a cross‑section of an SDS max

bit shank).

1. Clean the bit shank.
2. Pull back the locking sleeve

and insert the bit shank.

3. Release the locking sleeve and turn the bit slightly until the

sleeve snaps into position.

4. Pull on the bit to check if it is properly locked. The

hammering function requires the bit to be able to move
axially several centimetres when locked in the bit holder.

5. To remove a bit pull back the bit holder locking sleeve/

collar

and pull the bit out of the bit holder

4. Lock the side handle mounting assembly in place by

securely tightening the handle

rotating it clockwise so

that the assembly will not rotate.

Side Handle (Fig. A, C)

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

clamps to the front of the gear case and may

be rotated 360˚ to permit right‑ or left‑hand use.

Mounting the Straight Side Handle

(Fig. C)

1. Widen the ring opening of the side handle

by rotating it

anti‑clockwise.

2. Slide the assembly onto the nose of the tool, through the

steel ring

and onto the collar

, past the chisel holder

and sleeve.

3. Rotate the side handle assembly to the desired position. For

hammerdrilling horizontally with a heavy drill bit, place the
side handle assembly at an angle of approximately 20 ° to
the tool for optimum control.

Inserting and Removing the Battery Pack
from the Tool (Fig. B)

nOTE:

Make sure your battery pack

is fully charged.

To Install the Battery Pack into the Tool Handle

1. Align the battery pack

with the rails inside the tool’s

handle (Fig. B).

2. Slide it into the handle until the battery pack is firmly seated

in the tool and ensure that you hear the lock snap into place.

To Remove the Battery Pack from the Tool

1. Press the release button

and firmly pull the battery pack

out of the tool handle.

2. Insert battery pack into the charger as described in the

charger section of this manual.

Fuel Gauge Battery Packs (Fig. B)

Some

WALT

battery packs include a fuel gauge which

consists of three green LED lights that indicate the level of
charge remaining in the battery pack.
To actuate the fuel gauge, press and hold the fuel gauge
button

. A combination of the three green LED lights will

illuminate designating the level of charge left. When the level
of charge in the battery is below the usable limit, the fuel gauge
will not illuminate and the battery will need to be recharged.

nOTE:

The fuel gauge is only an indication of the charge left on

the battery pack. It does not indicate tool functionality and is
subject to variation based on product components, temperature
and end‑user application.

ASSEMBLY AND ADJUSTMENTS

WARNING: To reduce the risk of serious personal
injury, turn tool off and disconnect battery pack
before making any adjustments or removing/
installing attachments or accessories.

An accidental

start‑up can cause injury.

WARNING:

Use only

WALT

battery packs and chargers.