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Operating Instructions
Troubleshooting Guide
Stop using nailer immediately if any of the following problems occur. Serious
WARNING
!
personal injury could result. Any repairs or replacements must be done by a Qualified Service Person or
Authorized Service Center.
Problem
Air leaking at trigger valve
Air leaking between hous-
ing and nose
Air leaking between hous-
ing and cap
Nailer skips driving nail
Nailer runs slow or has loss
of power
Nails are jammed in nailer
Air leaking at trigger valve
stem
Cause
O-Rings in trigger valve housing are
damaged
Loose screws in housing
Damaged O-Rings
Damage to bumper
Loose screws
Damaged gasket
Worn bumper
Dirt in nose piece
Dirt or damage prevent nails or pusher
from moving freely in magazine
Damaged pusher spring
Inadequate air flow to nailer
Worn O-Ring on piston or lack of lubri-
cation
Damaged O-Ring on trigger valve
Air leaks
Cap gasket leaking
Nailer not lubricated sufficiently
Broken spring in cylinder cap
Exhaust port in cap is blocked
Guide on driver is worn
Nails are not correct size
Nails are bent
Magazine or nose screws are loose
Driver is damaged
O-Rings or seals are damaged
Solution
Replace O-Rings. Check operation of Work Contact
Element (WCE)
Tighten screws
Replace O-Rings
Replace bumper
Tighten screws
Replace gasket
Replace bumper
Clean drive channel
Clean magazine
Replace spring
Check fitting, hose or compressor
Replace and lubricate O-Rings
Replace O-Rings
Tighten screws and fittings
Replace gasket
Lubricate nailer
Replace spring
Replace damaged internal parts
Replace guide
Use only recommended nails
Replace with undamaged nails
Tighten screws
Replace driver
Replace O-Rings or seals
7
Model NB0064
www.chpower.com
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