Partner K 3500 - Page 47

7. TROUBLESHOOTING
. ..A. MECHANICAL...
SYMPTOM
POSSIBLE CAUSE
REMEDY
Blade slipping or turning
too slowly (Cont.)
Groove on side of blade
worn.
Replace blade.
Springs on
engagement
rollers weakened.
Replace engagement roller
springs.
Dirty pressure relief valve in
power pack.
Clean relief valve.
Trigger cable stretched.
Replace trigger cable
Valve lever on hydraulic
motor not travelling proper
distance.
Inspect - adjust control
cable.
Faulty bearing on rollers.
Replace bearings.
Flow of power pack is slow.
Check for hydraulic leaks.
Make sure power pack
meets specifications.
Internal motor/valve leaks.
Repair motor/valve
Blade jumping off.
Roller clearance too great.
Adjust roller clearance.
Roller handles not locked in
position.
Lock roller handles.
Worn engagement rollers.
Replace rollers.
Blade not installed on
engagement rollers correctly.
Reinstall blade.
Engagement rollers stuck in
their casings.
Remove, clean and grease
roller.
Damaged blade.
Replace blade.
Blade warped.
Rollers too tight against side
of blade.
Adjust roller clearance.
Segmefi loss.
Blade overheating.
Improper weld.
Check water flow.
Continue to use blade if
only one
segment
is
missing, or
return for
retipping.
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