Cause / 002
1. Motor runs in reverse rotation. 2. Plugged suction screen. 3. Open Lowering valve. 4. Pump sucking air. A) Pump shaft seal is worn. B) Pump shaft is corroded. C) Loose or cracked suction stub or line. 5. Low oil level. 6. Pump not priming
Repair / 002
1. Change motor rotation. 2. Replace or clean suction screen. 3. Repair or replace lowering valve. 4. tighten all suction line fittings. A) Replace pump shaft seal. B) Replace pump. C) Repair or replace. 5. Fill tank with Hydraulic oil. 6. Clean or replace load delay valve.