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PROBLEM
Air leak at trigger area
Air leak between body and
front plate
Air leak between body and
cylinder cap
Tool driving fasteners too
deeply
Tool runs slowly or has power
loss
Tool skips fasteners
Fasteners jam in tool or in
magazine
Tool will not drive fasteners
down tight
TROUBLESHOOTING
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.
WARNING: Repairs should be made by an authorized repair centre.
Opening this tool could invalidate your warranty.
CAUSE
O-ring in trigger valve
damaged or cracked
Trigger valve head damaged
Trigger valve stem, seal, or
O-ring damaged
Piston O-ring or bumper
damaged
Screw loose
Damaged seal
Worn bumper
Air pressure too high
Insufficient lubrication
Insufficient air supply
Broken spring in cylinder cap
Exhaust port in cylinder head
is blocked
Worn bumper or damaged
spring
Dirt in front plate
Inadequate airflow to tool
Worn or dry O-ring on piston
Damaged O-ring on trigger
valve
Cylinder cap is leaking
Joint guide is worn
Fasteners in tool are the
wrong size or damaged
Magazine screws or front
plate clamp are loose
Blade in piston assembly is
damaged
Worn blade in piston
assembly
Lack of power
Slow cycling and loss of
power
SOLUTION
Check and replace O-ring
Check and replace trigger valve head
Check and replace trigger valve stem
Check and replace O-ring or bumper
Tighten screws
Check and replace seal
Replace bumper
Adjust air pressure at regulator
Add oil as instructed
Check air supply
Replace spring
Replace damaged internal parts
Replace bumper or pusher spring
Clean drive channel in front plate
Check hose and compressor fittings
Replace or lubricate O-ring
Replace O-ring
Replace seal
Replace joint guide
Use only recommended fasteners
Tighten all
Replace piston assembly
Replace piston assembly
Adjust regulator to adequate pressure
Check cylinder cap spring for broken coils, reduced
length, or if exhaust port is blocked
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