75
Fault Finding
CHART C3—Lubricating Oil pressure low
Cause
Remedy
Incorrect lubricating oil. (specification of
viscosity).
Make sure the correct lubricating oil is being used, Refer to
Fluids
& Lubricants
section.
Look for reduced viscosity from dilution with fuel. Fuel dilution in
lubricating oil can originate from fuel injection pump driveshaft
seal or fuel transfer pump.
Review/reduce the lubricating oil change intervals.
Pressure switch or gauge fault.
Verify the pressure switch is functioning correctly.
Lubricating oil filter blocked.
Change lubricating oil filter.
Review/reduce the lubricating oil change intervals. If operating in
arduous conditions change oil more frequently.
Lubricating oil filter drain down valve not
fitted.
Change lubricating oil filter.
Suction tube loose or broken seal leaking.
Check/replace seal.
Oil pump pressure relief valve stuck open.
Replace oil pump assembly
Lubricating oil pump worn.
Replace oil pump assembly
Summary of Contents for HT1.0
Page 9: ...9 Technical Specifications...
Page 47: ...47...
Page 53: ...53...
Page 81: ...81 Fault Finding CHART E2 Noisy wheel motor...
Page 82: ...82 Fault Finding CHART E3 Wheel motor does not revolve...
Page 83: ...83 Fault Finding CHART E4 Wheel motor does not revolve at its normal speed under load...
Page 84: ...84 Fault Finding CHART E5 Wheel motor revolves irregularly CHART E6 Wheel motor leaks...