26
www.degometal.com
SYMPTOM
POSSIBLE CAUSE
REMEDY
More than one operation
of the trigger needed to
place fastener
Air leak
Tighten joints or replace components
Insufficient air pressure
Adjust air pressure to within
Lack of lubrification
Lubricate tool at air inlet point
Worn or broken jaws
Fit new jaws
Low oil level or air in oil
Prime tool
Build up of dirt inside the nose assembly
Service nose assembly
Tool will not grip stem of
fastener
Worn or broken jaws
Fit new jaws
Build up of dirt inside the nose assembly
Service nose assembly
Loose jaw housing
Tighten against locking ring
Weak or broken spring in nose assembly
Fit new spring
Incorrect component in nose assembly
Identify and replace
Rotary valve incorrectly adjusted
Read “operating procedure”
Jaws will not release
broken stem of fastener
Build up of dirt inside the nose assembly
Service nose assembly
Jaw housing , nose tip or nose casing not
properly seated
Tighten nose assembly
Weak or broken spring in nose assembly
Fit new spring
Air or oil leak
Tighten joints or replace components
Low oil level or air present in oil
Prime tool
Cannot feed next
fastener
Broken stems jammed inside tool
Empty stem collector
Check jaws spreader is correct
Adjust air pressure to within
specification
Rotary valve incorrectly adjusted
Adjust as in “operating procedure”
Slow cycle
Lack of lubrification
Lubricate tool at air inlet point
Low air pressure
Adjust air pressure to within
Build up of dirt inside the nose assembly
Service nose assembly
Tool fails to operate
No air pressure
Connect and adjust to within
Damaged trigger valve 41
Replace
Loose base cover 35
Tighten
Loose stem collector
Tighten retaining nut 21
Fastener fails to break
Insufficient air pressure
Adjust air pressure to within
Fastener outside tool capability
Use more powerful tool
Low oil level or air present in oil
Prime tool
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