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Symptom
Air leaking at Trigger
Air leaking between
body and drive guide
Air leaking between
body and cylinder cap
Blade driving fastener
too deeply
Runs slowly or has
power loss
Tool skips a fastener
Fasteners are jammed
Tool will not drive down
tight
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Possible Cause(s)
O-Ring in trigger valve are damaged.
Trigger Valve head are damaged.
Trigger Valve stem, seal, or O-Ring are
damaged.
Damaged piston O-Ring or bumper
Screw Loose
Damaged Seal
Worn bumper
Air pressure is too high
Insufficient oil
insufficient air supply
Broken spring in cylinder cap
Exhaust port in cylinder cap is blocked
Worn bumper or damaged spring (57)
Dirt in front plate
Inadequate airflow to tool
Worn or dry O-Ring on piston
Damaged O-Ring on trigger valve
Cylinder cap seal leaking
Joint guider is worn.
Fasteners are wrong size or damaged
Magazine or front plate screws are loose
Blade in piston assembly is damaged
Worn blade in piston assembly
Lack of power
Slow cycling and loss of power
Check and replace O-Ring
Check and replace trigger valve
head.
Check and replace trigger valve
stem, seal, or O-Ring
Check and replace O-Ring or bumper
Tighten screws
Check and replace seal
Replace bumper
Adjust air pressure
Lubricate as instructed
Check air supply
Replace spring
Replace damaged internal parts
Replace bumper or pusher spring
clean drive channel of front plate
check hose and compressor fittings
Replace O-Ring or lubricate
Replace O-Ring
Replace Seal
Replace joint guider
Use the recommended and
undamaged fasteners
Tighten screws
Replace piston assembly
Replace piston assembly
Adjust to adequate air pressure
Check cylinder cap spring for broken
coils or reduced length. Check if
exhaust port of cylinder cap is
restricted
4
Corrective Action
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