
PNT146-R
28
ENGLISH
TROUBLESHOOTING
!
!
WARNING:
Stop using the tool immediately if any of the following problems
occur. Serious personal injury may result. Any repairs or replacements must be
.
CAUTION:
Disconnect the tool from air supply before performing any service procedure.
When inserting new or re-installing O-rings, make sure they are clean and
lubricated with an O-ring lubricant.
PROBLEM
CAUSE
SOLUTION
Air leaking at trigger area
O-ring in trigger valve stem is worn and
damaged
Check/replace O-ring & lubricate
O-ring in trigger valve head is worn or
damaged
Check/replace O-ring & lubricate
Contains foreigh matter
Clean the tool & lubricate
Air leaking from the lower
body and the nose
Screw is loose at connection between nose
and body
Tighten screw & re-check
O-ring is damaged between body and nose Check/replace O-ring & lubricate
Bumper is damaged
Replace the bumper
Foreign matter at the contact between
bumper and body
Disassemble & clean
Air leaking from the upper
body and the nose
Screw is loose at connection between
cylinder and body
Tighten screw & re-check
O-ring is damaged
Check/replace O-ring & lubricate
Gasket is damaged
Replace the gasket
Failure to start tool
Tool dry, lack of lubrication
Use pneumatic tool oil
Spring in the cylinder cap is damaged
Replace spring in the cylinder cap
Valve sticks to cylinder cap
Disassemble, clean & lubricate
Blade driving fasteners too
deeply
Safety bracket position is incorrect
Rotate depth adjustment know to move the
safety bracket down
Air pressure is too high
Decrease air pressure