Makita HR4000C Instruction Manual page 8

1. Bit
2. Chuck cover
2
3
4
1. Lock button
2. Change lever
3. Pointer
4. "O" symbol
1
2
1. Change lever
2. Pointer
2
1
1. Depth gauge
2. Clamp screw
8
To remove the bit, pull the chuck cover down all the way and pull the bit out.
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1
2
Bit angle (when chipping, scaling or demolishing)
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1
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 "O" symbol. Turn the bit to the desired angle.
Depress the lock button and rotate the change lever so that the pointer points
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to the
ing it slightly.
Depth gauge
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The depth gauge is convenient for drilling holes of uniform depth. Loosen the
clamp screw and adjust the depth gauge to the desired depth. After adjusting,
tighten the clamp screw firmly.
NOTE:
• The depth gauge cannot be used at the position where the depth gauge
strikes against the gear housing/motor housing.
symbol. Then make sure that the bit is securely held in place by turn-