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5. Electrical (Continued)
Problem
Engine will not crank over
(continued)
Engine cranks over, but will not start
Loader starts, but hydraulic controls
will not release.
6. Engine
Problem
Engine does not start
64
4. MAINTENANCE
Cause
Fuse burnt
Defective relay
Ignition switch failure
Auxiliary hydraulics engaged
Defective glow plug relay
Defective glow plug
Broken connection or defective wire
No fuel
Electric solenoids not releasing valve
spools
Cause
No fuel
Air in the fuel
Water in the fuel
Fuel pipe clogged
Fuel filter clogged
Excessively high viscosity of fuel or
engine oil at low temperature
Fuel with low octane number
Fuel leak due to loose injection pipe
retaining nut
Incorrect injection timing
Fuel cam shaft worn
Injection nozzle clogged
Injection pump malfunctioning
Seizure of crankshaft, camshaft,
piston, cylinder liner or bearing
Compression leak from cylinder
Improper valve timing
Piston ring and liner worn
Excessive valve clearance
Remedy
Check and replace.
Check relay continuity. If defective,
replace.
Check continuity, repair or replace.
Engine will smoke, but not run
unassisted by starter. Disengage
auxiliary hydraulics.
Check continuity and if defective,
replace.
Check continuity and if defective,
replace.
Disconnect the ROPS harness from
the engine harness. Open the dash
panel and check continuity of the
circuit not functioning properly in
both engine and ROPS harness.
Check fuel levels and system.
Defective solenoid or binding
solenoid locks. Loosen screws and
re-adjust.
Check continuity of connectors, seat
bar switch, seat switch, seat belt
switch and wires.
Remedy
Replenish fuel.
Vent air.
Change fuel and repair or replace
fuel system.
Clean.
Clean or change.
Use the specified fuel or engine oil.
Use the specified fuel.
Tighten nut.
Adjust.
Replace.
Clean.
Repair or replace.
Repair or replace.
Replace head gasket, tighten cylinder
head bolt, glow plug and nozzle
holder.
Correct or replace timing gear.
Replace.
Adjust.
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