9. FAULT DIAGNOSIS
9.1 SYMPTOM POSSIBLE CAUSE AND REMEDY
SYMPTOM
POSSIBLE CAUSE
REMEDY
PAGE REF.
Short stroke or
incomplete return
Reduced air pressure
Adjust air pressure
Check for leaks
Oil level in tool low or air in oil
Reprime tool
23 ‐ 26
Tool fails to grip
Lockbolt
Incorrect nose assembly fitted
Change to correct nose assembly
11 ‐ 12
Broken jaws in nose assembly
Replace
12
Worn or dirty jaws
Clean or renew as necessary
12
Oil level in tool low or air in oil
Reprime tool
23 - 26
Tool fails to break
Lockbolt
Insufficient air pressure
Adjust air pressure
Check for leaks
Incorrect length of bolt
Change to correct length bolt
Tool requires priming
Reprime tool
23 - 26
Control valve dirty
Remove and clean valve
18 - 19
Exhaust silencer dirty
Clean silencer
18 - 19
Tool fails to swage
collar
Insufficient air pressure
Adjust air pressure
Check for leaks
Worn anvil
Replace
12
Tool requires priming
Reprime tool
23 - 26
Swaging anvil cracked
Replace
12
Incorrect length of bolt
Change to correct length bolt
Placing tool does not
eject the collar from the
anvil
Reduced air pressure
Adjust air pressure
Check for leaks
Oil level in tool low or air in oil
Reprime tool
23 - 26
Worn or damaged hydraulic seals in
tool
Inspect tool – replace worn or damaged
seals
18 - 19
Pull grooves on fastener
pintail stripped during
installation
Operator not pushing nose equipment
completely on to fastener pintail before
operating tool
Instruct operator in correct installation
method
9
Incorrect fastener length / grip length
Use correct fastener
Worn or damaged jaw segments
Check and replace jaw set
12
Debris in jaw segments and / or pintail
grooves
Clean jaw segments
12
Excessive sheet gap
Close gap between sheets
Oil level in tool low or air in oil
Reprime tool
23 - 26
Tool slows and fails to
actuate
Control valve dirty
Remove and clean valve
18 - 19
Exhaust silencer dirty
Clean silencer
18 - 19
28
ENGLISH
ORIGINAL INSTRUC TION