Concentric 10590 사용 설명서 및 부품 설명서 - 페이지 4

{카테고리_이름} Concentric 10590에 대한 사용 설명서 및 부품 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. Concentric 10590 4 페이지. Ac hydraulic power unit for auto hoists

페이지 인쇄

269xxxx

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

– 4 –

CORRECTIVE ACTION