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Fault
(The mark * refers to main causes.)
(1)
Air leaks from a gap
Nails fail to
between the body and the
eject.
nose.
(Continued)
O-rings are worn and
deformed.
The O-rings need oil.
< Nail guide section >
The nail guide face of the
nail guide is abnormal
(deformed, jagged,
damaged and/or worn).
Dust is stuck to the inside of
the nail guide groove, and
the oil in the groove has
depleted.
* A spring is abnormal (off,
damaged and/or fatigued).
The claw ridge section of
the nail stopper is abnormal
(damaged, worn and/or
jagged).
< Magazine section >
< Pushing lever (A) >
Magazine
Pushing lever (A)
< Output section: Piston,
driver blade, etc. >
Air pressure is low.
* Piston rings are worn.
* The piston bumper is
abnormal.
The O-ring in the cylinder
section is abnormal (off,
jagged and/or damaged).
The driver blade is
abnormal (deformed, jagged,
damaged and/or worn).
The inner face of the
cylinder is abnormal (packed
with dust and/or worn).
The sliding face of the head
valve is abnormal (seized,
damaged, and/or oil has
depleted).
Cause
Open the nail guide and inject
air to check feeder's action.
Check whether or not the nail
guide is abnormal (jagged,
deformed and/or damaged).
Examine the action of nail
stopper (A) and nail stopper
(B).
Check whether or not a nail
catches on another nail in the
magazine.
Check whether or not a nail
catches on some part of the
magazine.
Check the nail holder for the
height.
Examine the action of pushing
lever (A).
Open the nail guide and inject
air to examine whether or not
the driver blade is reset.
Examine whether or not nails
can be driven at a pressure of
4.9 bar (5 kgf/cm
Inject air to check nail driving
action.
Inspection method
2
, 70 psi).
--- 15 ---
Remedy
Tighten screws and examine
the O-rings (1AP-3).
Examine the O-ring.
Apply grease or oil.
Correct and replace part.
Remove dust and then apply
oil.
Replace abnormal parts.
Collate the nails normally and
reload the nailer with normally
collated nails.
Remove burrs and deformed
parts and replace parts.
Adjust the height of the nail
holder correctly.
Correct or replace parts.
Adjust air pressure in the
range of 4.9 --- 8.3 bar (5 ---
8.5 kgf/cm
2
, 70 --- 120 psi).
Replace the piston ring with
new one.
Replace the piston bumper
with new one.
Reassemble or replace the
O-ring with new one.
Correct the driver blade or
replace it with new one.
Remove dust and then apply
oil. Or replace the cylinder
with new one.
Replace parts.
Apply grease.
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