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7
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.
1
2
006318
If the bit cannot be pushed in, remove the bit. Pull the
chuck cover down a couple of times. Then insert the bit
again. 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.
To remove the bit, pull the chuck cover down all the way
and pull the bit out.
1
2
006333
Bit angle (when chipping, scaling or
demolishing)
1
2
HR4501C
HR4510C
3
008362
1
2
HR4511C
3
008367
The bit can be secured at 12 different angles. To change
the bit angle, depress the lock button and rotate the
change lever so that the pointer points to the
symbol.
Turn the bit to the desired angle.
Depress the lock button and rotate the change lever so
that the pointer points to the
symbol. Then make sure
that the bit is securely held in place by turning it slightly.
1
2
HR4501C
HR4510C
3
008363
1
2
HR4511C
3
008368
1. Pointer
2. Change lever
3. Lock button
1. Change lever
2. Pointer
3. Lock button
1. Pointer
2. Change lever
3. Lock button
1. Change lever
2. Pointer
3. Lock button
1. Bit
2. Chuck cover
1. Bit
2. Chuck cover
1. Bit shank
2. Bit grease