Intended use
With appropriate accessories, the BMH 40 BASIC is
suitable for hammer drilling and chiselling in con-
crete, brick, stone and similar materials.
With appropriate accessories, the MH 5 BASIC is
suitable for chiselling in concrete, brick, stone and
similar materials.
Use only original Würth accessories. Any other use
or use beyond this scope is considered improper
use.
The user is liable for any damage in the
event of improper use.
Device elements (fig. I/II)
1 Auxiliary handle *
2 Wing bolt (to adjust the drilling depth stop) *
3 Drilling depth stop *
4 Clamping knob *
5 Bow handle (auxiliary handle) *
6 Dust cap
7 Tool lock
8 Sleeve *
9 Clamping knob *
10 Continuous operation button
(only in chisel mode)
11 Integrated damping system
12 Trigger switch
13 Handle
14 Operation mode indicator*
15 Signal display*
16 Setting wheel*
* depending on the model
Start-up
Attention!
Prior to use, check that the specifications of your
mains power supply correspond to the mains
voltage and mains frequency indicated on the
name plate.
Risk of severe injuries.
Always connect an upstream RCD
¾
with a maximum tripping current of
30 mA.
14
CAUTION!
Risk of severe injuries.
Any extension cables used must have
¾
a cross section of 1.5 mm
Extension cables must be suitable
¾
for the power consumption of the
machine (see technical data). If using
a cable reel, always fully unroll the
cable.
Attaching the bow or auxiliary
handle
Risk of severe injuries.
For safety reasons, use the supplied
¾
bow handle [5] or the auxiliary
handle [1].
BMH 40 BASIC
▸
Undo the clamping ring by anticlockwise rotation
of the auxiliary handle [1].
▸
The auxiliary handle can be attached at the
desired angle.
▸
Fully tighten the auxiliary handle.
MH 5 BASIC
▸
Undo the clamping ring by anticlockwise rotation
of the clamping knob [4].
▸
The bow handle [5] can be attached in the
desired position at the desired angle.
▸
Fully tighten the clamping knob.
Operation
Adjusting the drilling depth stop
(BMH 40 BASIC only)
▸
Undo wing bolt [2].
▸
Adjust the drilling depth stop [3] to the desired
drilling depth.
▸
Retighten the wing bolt [2].
CAUTION!
or greater.
2
CAUTION!