OPERATOR'S MANUAL MAINTENANCE

Section 3 - Maintenance
Routine Maintenance
Troubleshooting
3-99 3-99
9803/JSM-0412
Troubleshooting
To extend the service life and improve the operation of the
machine, daily inspection and lubrication are necessary as
well as immediately isolating any problem found and
dealing with it. If the machine is operated with the problem
uncorrected, it may lead to larger trouble and possibly to a
big accident.
If trouble occurs, search for the cause in the items below
and make adjustments, repairs, etc. as necessary. If the
cause cannot be isolated, contact your JCB distributor.
Engine and Related Area
Table 27. Engine does not start
Table 28. Engine stops during operation
Table 29. Low oil pressure
Cause Remedy
Defective starter switch Connect, repair connection
Defective rotation of starter (Starter rotates slowly) Discharged battery, starter problems, contaminated or loose
wiring connection
Improper viscosity of engine oil Inspect and replace as necessary
Excessive cooling of engine (Cold weather) Preheat with air heater. Warm up the coolant (add hot water)
Possible seizure in engine
Repair
(1)
Incomplete air bleeding of fuel system Completely bleed air
No fuel in fuel tank Refill
Fuel quality unsuitable Inspect and replace as necessary
Fuel filter clogged Clean or replace
Low compression
Repair
(1)
Defective fuel injection system
Repair
(1)
Cause Remedy
No fuel in fuel tank Refill
Fuel filter clogged Clean and replace
Air is mixed in the fuel system Retighten fuel pipe connections and bleed system
Cause Remedy
Low oil Refill
Defective oil pressure switch
Replace
(1)
Oil filter clogged Replace element
Low oil viscosity Replace with oil of viscosity matching temperature
Improper operation of oil pump
Replace parts
(1)
Oil leakage at connections Tighten connections