Belle Major 30-140, Operating And Maintenance Manual

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12
3.3 FAULT DIAGNOSIS.
SYMPTON POSSIBLE FAULT ACTION
Engine stops or will not start Fuel tap switched off.
Fuel shortage.
Fuel line blocked.
Air cleaner blocked.
Engine oil level low. (Oil Alert
Switch)
Hydraulic oil level low. (Float
Switch).
Engine malfunction.
Engine ignition switch or
connecting wires damaged.
Hydraulic tank float switch or
connecting wires damaged.
Hydraulic pump seized. switch on fuel tap.
Refuel.
Clean filter.
Clean. or renew element.
Refer to Engine Manual.
Top up to correct level.
Top up to correct level .
Refer to engine manual.
Check for earth leak,
Renew worn or damaged
parts. Renew worn or
damaged parts.
Renew pump.
Hydraulic oil pressure low. By-Pass lever in by-pass
position.
Relief valve set low or worn.
Pump worn or damaged.
Engine power low.
Set to flow.
Check relief setting. and
adjust if necessary.
Replace if necessary.
Check system oil flow (re
Para 3.4) Renew pump if
necessary.
Refer to engine manual.
Hydraulic oil temperature too
high. Radiator fins blocked.
Cooling fan lose or damaged.
Hydraulic pump worn or
damaged.
Relief valve set low or worn.
Thermal valve malfunction.
Hydraulic oil contaminated.
Clean using air blast.
Tighten or renew as
necessary.
Renew pump.
Check setting & replace as
necessary
Renew valve.
Drain oil tank & transmission
hoses and replenish with
correct oil grade .Renew
filters.
Excessive vibration. Engine misfiring or hunting.
Engine mountings loose. Refer to engine manual.
Tighten or replace damaged
parts.
Engine speed remains at idle
when tools are operating. P.O.D. Cylinder seized in
retracted position.
P.O.D. Cable Adjustment
incorrect.
Throttle lever set at incorrect
setting Check cylinder & replace as
necessary.
Re-adjust as necessary.
Reset engine speed & lock
throttle lever using thumb
screw.
Engine speed remains at full
when off load/By-pass. P.O.D. Cylinder seized in
extended position.
P.O.D. Cable adjustment
incorrect. Check cylinder and replace
as necessary.
Re-adjust as necessary.