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Idiomas disponibles
Idiomas disponibles
3.
Remove the carbon brush caps of the carbon
brushes using pliers and then take out the worn carbon
brushes. Insert the new carbon brushes and attach the
carbon brush caps.
► 1. Carbon brush cap
TROUBLESHOOTING
Before asking for repairs, conduct your own inspection first. If you find a problem that is not explained in the manual,
do not attempt to dismantle the tool. Instead, ask Makita Authorized Service Centers, always using Makita replace-
ment parts for repairs.
State of abnormality
Punch piston will not come out.
Although punch piston comes out,
cutting power is too weak to hole
punching.
Oil leaks.
Motor does not move.
Poor motor rotation.
1
Probable cause (malfunction)
Oil is insufficient
Punch piston has not returned completely
due to rebar chips, iron powder and dirt in the
sliding portion of punch piston and C frame.
Punch piston has not returned completely due
to the distortion or swelling of punch piston.
Punch piston has not returned com-
pletely due to weak return spring.
Oil is insufficient.
Contact between cylinder and release valve is
improper. There may be scratches at chimney of
cylinder or iron powder or dirt are sticking there.
Breakage of release valve.
Improper clearance between cylinder
and piston.
Improper contact between cylinder and
check valve.
Breakage of urethane packing of cylinder.
Scratches on or breakage of oil leveler sack. Ask your local authorized service center for repair.
Scratches at sliding portion of C frame
and punch piston and at back-up ring.
Breakage of O-ring at joint of C frame
and cylinder.
Breakage of liner at joint of cylinder and
pump case.
Insufficient tightening of bolts at respec-
tive parts.
Insufficient charge of battery cartridge.
Battery life cycle worn off.
Breakage of motor by overheating.
Deformation or breakage of bearings
and gear connected to the motor.
15 ENGLISH
4.
Make sure that the carbon brush caps have fit into
the holes in brush holders securely.
1
2
► 1. Hole 2. Carbon brush cap
5.
Reinstall the rear cover and tighten two screws
securely.
Remedy
Refill oil.
Push back punch piston.
Clean punch piston.
Ask your local authorized service center for repair.
Ask your local authorized service center for repair.
Refill oil.
Ask your local authorized service center for repair.
Ask your local authorized service center for repair.
Ask your local authorized service center for repair.
Ask your local authorized service center for repair.
Ask your local authorized service center for repair.
Ask your local authorized service center for repair.
Ask your local authorized service center for repair.
Ask your local authorized service center for repair.
Tighten bolts.
Charge battery cartridge.
Replace battery cartridge.
Ask your local authorized service center for repair.
Ask your local authorized service center for repair.
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