V 4.0
TROUBLESHOOTING
WARNING: Stop using tool immediately if any of the following problems occur. Serious
personal injury could result. Any repairs or replacements must be done by a qualified
service person or an authorized service center.
PROBLEMS
Air leaking at trigger
valve area.
Air leaking between
housing And nose.
Air leaking between
housing and Cap.
Tool skips
driving fastener
Tool runs slow or has
loss of power
Fasteners are jammed
in tool
WARNING: Use only identical replacement parts. For questions please call 1-800-665-8685
or visit our website at www.princessauto.com.
12
34° 3-1/2 in. Clipped Head Framing Nailer
POSSIBLE CAUSE(S)
O-rings in trigger valve housing
are damaged
Loose screws in housing
1. Damaged O-rings
2. Damaged to bumper
1. Loose screws
2. Damaged gasket
1. Worn bumper
2. Dirt in nose piece
3. Dirt or damage prevent
fasteners or pusher from
moving freely in magazine
4. Damaged pusher spring
5. Inadequate air flow to tool
6. Worn O-ring on piston or lack
of lubrication
7. Damaged O-ring on
trigger valve
8. Air leaks
9. Cap seal leaking
1. Tool not lubricated sufficiently
2. Broken spring in cylinder cap
3. Exhaust port in cap is blocked
1. Guide on driver is worn
2. Fasteners are not correct size
3. Fasteners are bent
4. Magazine or nose screws
are loose
5. Driver is damaged
CORRECTIVE ACTION
Replace O-rings. Check operation
of Work Contact Element(WCE)
Tighten screws
1. Replace O-rings
2. Replace bumper
1 .Tighten screws
2. Replace gasket
1. Replace bumper
2. Clean drive channel
3. Clean magazine
4. Replace spring
5. Check fitting, hose,
or compressor
6. Replace and lubricate O-rings
7. Replace O-rings
8. Tighten screws and fittings
9. Replace gasket
1. Lubricate nailer
2. Replace spring
3. Replace damaged
internal parts
1. Replace guide
2. Use only
recommended fasteners
3. Replace with
undamaged fasteners
4. Tighten screws
5. Replace driver
For technical questions call 1-800-665-8685
8558421