14
Symbols
WARNING
The following show symbols used for the
machine. Be sure that you understand their
meaning before use.
BMH 40-BL: Rotary Hammer
To reduce the risk of injury, user must read
instruction manual.
Full-load speed
Full-load impact rate
Adjustment of the tool position function
Hammering only function
Rotation and hammering function
Switching ON
0
Switching OFF
Power lamp
Rotation speed selector switch
Display lamp
Low speed / impact rate
High speed / impact rate
Disconnect mains plug from electrical outlet
Class II tool
Applications
Rotation and hammering function
— Drilling anchor holes
— Drilling holes in concrete
Hammering only function
— Crushing concrete, chipping, digging, and squaring (by
applying optional accessories)
Specifications
Rated voltage
230 V
Power Input
1150 W
Full-load speed
250 – 500 min
-1
Full-load impact rate
1430 – 2850 min
-1
Drill bit
40 mm
Core bit
105 mm
Weight
(According to EPTA-Procedure
01/2003)
7.5 kg
NOTE
Due to Würth’s continuing program of research and
development, the specifications herein are subject to
change without prior notice.
Mounting and Operation
Action
Figure
Page
Inserting SDS-max tools
1
3
Removing SDS-max tools
2
3
Changing tool direction
3
3
Selecting the operating mode
4
3
Switching on and off
5
3
About the power lamp
6
4
Speed change
7
4
Install the stopper
8
4
Using tapershank adapter
9
5
Removing tapershank adapter
10
5
Mounting core bit
11
5
Mounting guide plate and center pin
12
5
Warming up (Fig. 13)
The grease lubrication system in this unit may require
warming up in cold regions. Position the end of the bit
so makes contact with the concrete, turn on the switch
and perform the warming up operation. Make sure that
a hitting sound is produced and then use the unit.
CAUTION
When the warming up operation is performed, hold
the side handle and the main body securely with both
hands to maintain a secure grip and be careful not to
twist your body by the jammed drill bit.
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Summary of Contents for BMH 40-BL
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