Makita AR410HR Instruction Manual page 8

How to Replace Bit
CAUTION:
When replacing bit, always lock trigger, disconnect
•
air hose, and remove all loaded screws.
Take care not to lose small components.
Replace bit in clean surroundings to prevent dust and
dirt from getting onto internal components.
Removing Bit
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1. Disconnect hose and remove all loaded screws.
2. Use hex wrench to loosen the four hex bolts, and
then remove top cap.
− The top cap spacer is removable, but please leave
it on the driver.
− If top cap gasket is removed with top cap, be
careful not to misshapen it, and be sure to put it
back when reassembling.
3. Insert the hex wrench into the bit channel of the
driver guide, and push out the piston assembly.
1
2
3
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4. Use an eyeleteer, etc., to remove rubber ring
(white) from unloaded piston assembly.
− As the new bit comes with a white rubber ring, the
old one can be cut out with a cutter knife, etc. if it is
difficult to remove.
1
2
3
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1. Hex bolt
1
2. Hex wrench
3. Top cap
2
4. Top cap gasket
3
5. Top cap spacer
4
1. Piston assembly
2. Hex wrench
3. Driver guide
1. Eyeleteer
2. Rubber ring
(white)
3. Piston assembly
1
2
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5. Next, extract pin from piston assembly.
1
2
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6. Lower the piston, and then remove the piston cap
and driver bit.
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Mounting Bit
1. Mount new driver bit onto piston.
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8
1. Cutter knife
2. Rubber ring
(white)
3. Piston assembly
3
1. Pin
2. Piston assembly
1. Piston cap
1
2. Driver bit
3. Piston
2
3
1. New driver bit
2. Piston
1