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OM-4401 Page 36
C. Engine
Trouble Remedy
Engine will not crank. Reset circuit breaker CB8 (see Section 7-9).
Check battery voltage.
Check battery connections and tighten if necessary.
Have Factory Authorized Service Agent check Engine Control switch S1.
Engine cranks, but does not start. Check fuel level (see Section 4-2).
Open fuel valve (see Section 4-2).
Check oil level (see Section 4-2). Engine will not start if oil pressure is low.
Reset circuit breaker CB10 (see Section 7-9).
Check coolant level and fan belt (see Section 4-2 and engine manual). Engine will not start if coolant
temperature is high.
Use Glow Plug if unit does not start in cold weather. If unit still does not start, reset circuit breaker
CB7 (see Section 7-9).
Service primary and secondary fuel filters (see Section 7-5).
Check battery and replace if necessary.
Check engine charging system according to engine manual.
Bleed air from fuel system according to engine manual.
Have Factory Authorized Service Agent check low oil pressure switch S4, engine coolant tempera-
ture switch S5, and control relay CR1.
See engine manual.
Engine starts but stops when Engine
Control switch is released.
Check oil level (see Section 4-2). Engine will not start if oil pressure is too low.
Reset circuit breaker CB10 (see Section 7-9).
Check coolant level and fan belt (see Section 4-2 and engine manual). Engine will not start if engine
temperature is too high.
Check and refill crankcase with proper viscosity oil for operating temperature, if necessary (see en-
gine manual).
Have Factory Authorized Service Agent check low oil pressure switch S4 and engine coolant temper-
ature switch S5.
Engine does not stop. Stop engine by pushing down engine stop lever (see Section 4-2) or closing fuel valve (see Section
4-2). After stopping engine, adjust fuel solenoid linkage (see engine manual).
Engine stopped during normal
operation.
Check fuel level (see Section 4-2).
Open fuel valve (see Section 4-2).
Check oil level (see Section 4-2). Engine stops if oil pressure is too low.
Check coolant level and fan belt (see Section 4-2 and engine manual). Engine stops if engine temper-
ature is too high.
Bleed air from fuel system according to engine manual.
Have Factory Authorized Service Agent check low oil pressure switch S4 and engine coolant temper-
ature switch S5.
Battery discharges between uses. Clean top of battery with baking soda and water solution; rinse with clear water.
Periodically recharge battery (approximately every 3 months).
Replace battery.
Check voltage regulator according to engine manual.