Makita HR2450F Instruction Manual page 6

premature wear of the tool.
Hole saws cannot be used with this tool. They tend
•
to pinch or catch easily in the hole. This will cause
the torque limiter to actuate too frequently.
ASSEMBLY
CAUTION:
Always be sure that the tool is switched off and
•
unplugged before carrying out any work on the
tool.
Side handle (auxiliary handle)
1 4
2
3 6
001295
Always use the side grip to ensure operating safety.
Install the side grip so that the teeth on the grip fit in
between the protrusions on the tool barrel. Then tighten
the grip by turning clockwise at the desired position. It
may be swung 360° so as to be secured at any position.
Bit grease
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
Clean the bit shank and apply bit grease before installing
the bit.
1
2
001296
Insert the bit into the tool. Turn the bit and push it in until
it engages.
After installing, always make sure that the bit is securely
held in place by trying to pull it out.
1. Grip base
5
2. Side grip
3. Loosen
4. Teeth
5. Protrusion
6. Tighten
1. Bit shank
2. Bit grease
1
001297
To remove the bit, pull the chuck cover down all the way
and pull the bit out.
1
001298
Bit angle (when chipping, scaling or
demolishing)
003576
The bit can be secured at the desired angle. To change
the bit angle, depress the lock button and rotate the
action mode changing knob to the O symbol. Turn the bit
to the desired angle.
Depress the lock button and rotate the action mode
changing knob to the
the bit is securely held in place by turning it slightly.
003577
6
1. Bit
2. Chuck cover
2
1. Bit
2. Chuck cover
2
1. Lock button
2. Action mode
changing knob
1 2
symbol. Then make sure that