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CHN10302
7
Operating Instructions
www.chpower.com
Air leaking at trigger valve
area.
Air leaking between hous-
ing and nose.
Air leaking between hous-
ing and cap.
Stapler skips driving staple.
Stapler runs slow or has
loss of power.
Staples are jammed in sta-
pler.
Air leaking at trigger valve
stem.
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 staples or
pusher from moving freely in maga-
zine
Damaged pusher spring
Inadequate air flow to stapler
Worn O-Ring on piston or lack of lubri-
cation
Damaged O-Ring on trigger valve
Air leaks
Cap gasket leaking
Stapler not lubricated sufficiently
Broken spring in cylinder cap
Exhaust port in cap is blocked
Guide on driver is worn
Staples are not correct size
Staples are bent
Magazine or nose screws are loose
Driver is damaged
Staples loaded incorrectly
O-Rings or seals are damaged
Replace o-rings and 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 stapler
Replace spring
Replace damaged internal parts
Replace guide
Use only recommended staples
Replace with undamaged staples
Tighten screws
Replace driver
Review Loading/Unloading section in this manual
Replace o-rings or seals
Troubleshooting Guide
Stop using stapler immediately if any of the following problems occur. Serious personal injury
could occur. Any repairs or replacements must be done by a Qualified Service Person or Authorized
Service Center.
!
WARNING
Problem Cause Solution