Torque Limiter - Makita HR4002 Instruction Manual

For chipping, scaling or demolition operations, depress
the lock button and rotate the change lever so that the
pointer points to the
chisel, scaling chisel, etc.
CAUTION:
Do not rotate the change lever when the tool is
•
running under load. The tool will be damaged.
To avoid rapid wear on the mode change
•
mechanism, be sure that the change lever is
always positively located in one of the two or three
action mode positions.

Torque limiter

The torque limiter will actuate when a certain torque
level is reached. The motor will disengage from the
output shaft. When this happens, the bit will stop turning.
CAUTION:
As soon as the torque limiter actuates, switch off
•
the tool immediately. This will help prevent
premature wear of the tool.
ASSEMBLY
CAUTION:
Always be sure that the tool is switched off and
•
unplugged before carrying out any work on the
tool.
Side handle (accessory)
003139
CAUTION:
Use the side handle only when chipping, scaling or
•
demolishing. Do not use it when drilling in concrete,
masonry, etc. The tool cannot be held properly with
this side handle when drilling.
The side handle can be swung 360° on the vertical and
secured at any desired position. It also secures at eight
different positions back and forth on the horizontal. Just
loosen the clamp nut to swing the side handle to a
desired position. Then tighten the clamp nut securely.
symbol. Use a bull point, cold
1
2
006315
Side grip
008065
CAUTION:
Always use the side grip to ensure operating safety
•
when drilling in concrete, masonry, etc.
The side grip swings around to either side, allowing easy
handling of the tool in any position. Loosen the side grip
by turning it counterclockwise, swing it to the desired
position and then tighten it by turning clockwise.
Bit grease (optional accessory)
Coat the bit shank head beforehand with a small amount
of bit grease (about 0.5 -1 g; 0.02 - 0.04 oz.). This chuck
lubrication assures smooth action and longer service
life.
Installing or removing the bit
2
1
003150
Clean the bit shank and apply bit grease before installing
the bit.
Insert the bit into the tool. Turn the bit and push it in until
it engages.
5
1. Side handle
2. Clamp nut
1
1. Side grip
1. Bit shank
2. Bit grease