Trinity Highway INGAL SS180 M, Assembly Manual

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trinityhighway.com 31 Revision A November 2019
3. Operates Slowly or With Cavitation
Low voltage: Verify voltages with DC voltmeter and check truck charging system.
Oil viscosity too high or cold oil: Allow oil to warm up before operating or replace with lower
viscosity oil as necessary.
Air in system: Check for leaks and tighten as necessary. Cycle the system several times
to relieve air from system.
Oil leaks: Tighten fittings, replace seals or damaged lines.
Worn components (valves, cylinder, etc.): Check for cause of wear. Replace worn parts
with correct components.
Restriction in lines or cylinder check valves: Remove load on the cylinder, clean lines or
valves, and replace hoses if necessary.
4. Operates Too Fast
Internal fixed flow controls reversed: Contact Trinity Highway
5. Pump Overheats
Low voltage at pump: Check battery and wiring
Incorrect, low volume, or dirty oil: Add or change oil as necessary
Excessive internal leakage (pump): Replace the pump (contact Trinity Highway).
Restriction in lines or cylinder check valves: Remove load on the cylinder, clean lines or
valves, and replace hoses if necessary.
Insufficient heat radiation: Clean dirt and mud from reservoir and components.
6. Noisy Pump
Low oil level, incorrect or foamy oil: Replace or add oil as necessary.
Suction line or inlet screen plugged: Consult Trinity Highway.
Worn or damaged pump: Replace the pump (contact Trinity Highway).
7. Load Drops When Locked
Leaking cylinder seals or fittings: Remove load on the cylinder, inspect for damaged hoses
or fittings, tighten fittings or replace hoses if necessary.
Faulty counterbalance valve: Remove load on the cylinder. Clean or replace the
appropriate counterbalance valve components.
8. Leaky Cylinder
Seals worn or damaged: Replace the cylinder.
Rod damaged: Replace the cylinder.