Signode PNSC-2 Operation, Parts And Safety Manual page 13

#5 SYMPTOM: Low joint strength.
CAUSE
Worn jaws, notchers and pins in jaw stack.
#6 SYMPTOM: Sealer valve sticks or leaks.
CAUSE
1. Dirt in sealer valve assembly.
2. O-Rings and seals in valve stem are worn or
defective.
#7 SYMPTOM: Tool will not cut off strap.
CAUSE
1. Lead edge on breaker foot worn. Inadequate air
pressure.
2. Excessive pressure drop due to air line supply
restrictions.
3. Worn cutter.
#8 SYMPTOM: Feedwheel milling on strap.
CAUSE
1. Feedwheel is clogged with dirt.
2. Feedwheel is worn or has chipped teeth.
#9 SYMPTOM: Seal pulls open during tensioning.
CAUSE
Tool is pulling excessive tension.
REMEDY
Disassemble jaw stack and replace worn parts as
required.
REMEDY
1. Disassemble and clean valve assembly.
2. Disassemble and replace O rings and
seal as required.
REMEDY
1. Replace breaker foot. Increase air
pressure to 90 psi (6.2 bar) maximum.
2. Use 3/8" I.D. hose of minimum length.
3. Replace cutter.
REMEDY
1. Clean teeth on feedwheel with wire
brush (P/N 269589).
2. Replace feedwheel.
REMEDY
Lower the strap tension by turning the valve screw
(Key 55 on page 15) clockwise. Note, do not turn the
strap tension screw more than one rotation at a time
without testing tool.
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