Depth Gauge; On/Off Switch; Operating Mode - Westfalia BMH 900 Original Instruction Manual

Pneumatic drill hammer
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Operation
It is attached to the cylindrical part on the front of the housing and
can be tightened by turning the handle. Make sure it is securely
attached.

Depth Gauge

1. To attach the depth gauge (1), loosen the clamping knob (4).
2. Insert the depth gauge into the mounting hole in the auxiliary
handle (10).
3. Adjust the desired depth and retighten the clamping knob.

ON/OFF Switch

1. To switch on the machine, press the ON/OFF switch (7).
2. To switch off the machine, release the ON/OFF switch (7).
Dust Catcher
Especially when drilling overhead attach the dust
catcher to the drill in order to make sure that dust,
dirt and sand cannot get inside the tool chuck. The
open side of the dust catcher must face the ceiling or wall.

Operating Mode

The pneumatic drill hammer is equipped with two toggle switches
(5) and (8). With these switches you can set the modes of
operation: Drilling only, Hammer Drilling and Chiselling only.
Operate the switches only while the machine is at a complete
standstill, the transmission may be damaged.
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