P35s
EN
11
TROUBLESHOOTING
ALWAYS CHECK INSTRUCTION MANUAL FOR PROPER ASSEMBLY OF PARTS
PROBLEM POSSIBLE CAUSE SOLUTION
Fastener overdriving Power level too high / Pin too short Use a lower powder load level number or a longer pin
Soft base material Check base material suitability section
Tool does not fire Tool not depressed completely See “Tool does not depress completely” section below
Firing pin damaged Replace damaged part(s)
Tool does not depress
completely
Damaged firing pin parts, ejector, etc.
Parts assembled improperly
Check the parts for damage or improper assembly
Power reduction or inconsistent
fastener penetration
Barrel is not pulled fully forward
when cycling tool
Barrel must be pulled out completely to properly
Worn or damaged piston or piston ring Replace piston or piston ring
Load strip cannot be inserted
into tool
Improper loading Insert strip from the bottom of the tool handle
Wrong caliber strip Use proper strip
Load strip will not advance Worn advance lever guide Replace advance lever guide
This should be performed by qualified individuals
Load will not fire when trigger
is pulled
Tool is not fully depressed Follow safety procedure for misfired load then attempt to
fully depress tool before pulling trigger
Load will not fire when tool
is fully depressed and trigger
is pulled
Load is already fired Cycle tool
Load misfire Follow safety procedure
Broken firing pin Replace firing pin nut. This should be performed by
qualified individuals
Broken or missing Replace firing pin nut. This firing pin nut should be
performed by qualified individuals
Tool cannot be opened
or cycled
Lack of proper cleaning Clean tool thoroughly
Damaged or bent piston Remove and replace piston
Broken or damaged parts Tag tool with warning “Defective - Do Not Use” place in
locked container and contact your DeWALT
Authorized representative for service
Piston stuck in the
forward position
Piston has been overdriven and is
jammed against the piston reset pin
Tap the piston against a hard surface
Chipped or damaged piston Tool not held on work surface
squarely. This allows the piston to
slip off the head of the pin and cause
damage to the piston
Machine piston as shown on page 12 #7.
Piston regrinding may be performed only by
qualified individuals.
Piston guide will not open easily Bent shear clip Remove and replace shear clip
Excessive build-up of dirt Disassemble and clean tool
Piston stop is damaged Replace piston stop
Foreign material jammed between the
piston guide and steel liner assembly
Disassemble and remove foreign particles
Piston guides open too easily Annular ball spring or steel annular ball
have worn
Remove and replace with a new spring and/or ball
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