Hobart 90CU24, Руководство по эксплуатации и обслуживанию

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Engine Controls
Trouble, Symptom Test, Check, And/or
and Condition Probable Cause Remedy
Engine will not start. Starter
will NOT crank engine.
(continued) g. Either of two defective
relays on the generator
control PC board (Fig. 3)
could cause this trouble:
either master relay K69 (1,
Fig. 3) or bypass relay K73
(9, Fig. 3) . Or the PC
board itself could have
developed a malfunction. Press lamps button. If clearance
lights do not come on, replace
relay K69. with a relay known to
be good, and attempt to crank
the engine. If engine still won’t
crank, replace bypass relay K73
and try once more to crank the
engine. If engine still won’t
crank, proceed to step
h below.
h. Defective engine start
button, S24 (26, Fig. 3) . Depress button and check
continuity between button
contacts. If no continuity exists,
replace button. If there is
continuity, replace generator
control PC board.
2. Engine will not start. Cranking
speed low. a. Low battery output Check battery. Recharge or
replace.
b. Loose starting circuit
connections or faulty
cables. Check all connections and
cables. Tighten or replace as
required.
c. Improper lubricating oil
viscosity Check oil. See Chapter 1-2; 1,
(c). Remove and replace oil
if/as necessary.
3. Engine WILL NOT start.
Cranking speed normal. LOW
OIL indicating lamp on after 5
seconds. a. No fuel or insufficient fuel in
tank. LOW FUEL indicating
lamp comes ON 10
seconds after cranking is
initiated. Fill fuel tank if it is empty or if
amount of fuel in it is low. If
necessary, fill each filter with
fuel oil and prime fuel pump
according to instructions in
Chapter 2-1. If engine will not
start after priming, mechanical
pump trouble is indicated. If
engine starts and stops after a
short time, trouble between fuel
source and suction side of
pump is indicated. Check
and/or remedy as follows.
OM-2084 / Operation and Maintenance Manual
90CU24 / Series 500392 Generator Sets
Chapter 2-4 November 27/1997
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