Harrington-hoists-and-cranes Static/Dynamic Hoist Load Tester Manuale Utente Scaricare il pdf (Pagina 18)

8. LEAKY PUMP OR MOTOR

• Damaged or worn shaft seal Check for misalignment.

• Loose or broken parts Tighten or replace.

9. CONTROL VALVE STICKY (BINDING)

• Valve linkage misaligned Repair.

• Tie-bolts too tight (stack valves) Loosen as necessary.

• Valve damaged Replace.

10. CONTROL VALVE LEAKS

• Tie-bolts too loose (stack valves) Tighten as necessary.

• Seals damaged or worn Replace.

11. CYLINDER LEAKS

• Seals worn or damaged Replace.

• Rod damaged Replace.

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Harrington-hoists-and-cranes Static/Dynamic Hoist Load Tester Manuale Utente Pagina 18