Concentric 10590 Instrucciones de uso y manual de piezas - Página 4
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SYMPTOM
Motor won't start
Will not pump oil (Motor
runs but cylinder does not
move, or moves slowly)
Pump motor unit is noisy
Pump does not develop
full pressure
MODEL 10590
Troubleshooting Chart
POSSIBLE CAUSE(S)
1. Loose connection
2. Circuit breaker tripped
3. Voltage drop
4. Seized pump
5. Start switch
1. No oil in reservoir
2. Motor rotation wrong
3. Oil level low
4. Suction strainer is clogged
5. Double acting cylinder piston seals are cut or
worn out
6. Reservoir breather is dirty or clogged
1. Low oil level
2. Air in system
3. Suction strainer or in-line filter is clogged
1. System relief valve set too low or leaking
2. Oil temp. is too high
3. Pump is worn out
4. Double acting cylinder piston seals are cut or
worn out
1. Check wiring
2. Reset circuit breaker
3. Use heavier gauge wire
4. Replace pump
5. Replace start switch
1. Check oil level, refill
2. Rewire
3. Add oil as needed
4. Clean suction strainer
5. Replace or repair cylinder
6. Clean reservoir breather and reinstall
1. Add oil as needed
2. Bleed air from highest fitting in system
by loosening fitting very slightly and
operating unit until bubbling of air
stops, then tighten
3. Clean suction strainer or in-line filter
1. Check system relief valve for proper setting
with pressure gauge in outlet line
2. Let oil cool below 140°F
3. Replace worn parts or pump
4. Replace or repair cylinder
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CORRECTIVE ACTION