Volvo B10M, Руководство пользователя

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84
Symptom:
Starter motor not cranking.
Starter motor cranking engine too slowly.
(Engine will not start)
Starter motor cranking but engine will not start
or starts but emits abnormal exhaust smoke. (Cold
weather.)
Starter motor cranking but engine will not start.
If anything happens
Check/rectify:
–
Is the battery master switch on?
– Is the gear lever in neutral position or the clutch pedal depressed?
(Does not apply to buses with S6-85 gearbox.)
– Are the batteries charged? Turn on the headlights. If they do not
come on or are dim, the batteries may be in poor condition. There
may be a bad connection on the battery cables. Check also the
ground connection via the engine. Clean contact surfaces and
charge the batteries.
– Are the fuses in the electrical distribution box in front of the battery box
(see page 82) and circuit breakers ”10” and ”17” in the main electrical
distribution box intact (not triggered)?
– Check relays 315 starting switch
345 start inhibitor, body
354A starting position
396 starting position, neutral
Try replacing the relay with another one that is not needed for start-
ing. See main electrical distribution box on page 78.
– Battery or its connections in poor condition? Turn on the headlights. If
they do not come on or are dim, the batteries may be in poor condition.
There may be a bad connection on the battery cables. Check also the
ground connection via the engine. Clean contact surfaces and charge
the batteries.
– Fuse 150A for starting heater (”33”) in electrical distribution box in
front of the core assembly. See page 82.
– Fuse 8A for starting heater (”8”) in main electrical distribution box..
See page 78.
– Has the mechanical stop control in the engine compartment been
pulled out?
– Fuel supply system. Read more on the following pages.