Hobart 9OC24S Operation Manual page 229

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HOBART BROTHERS COMPANY
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OPERATION, MAINTENANCE, AND OVERHAUL MANUAL, TM-240A
SELF-PROPELLED GENERATOR SET, SPEC. NO. 5381A
TROUBLE ,SYMPTOM
AND CONDITIONS PROBABLE CAUSE
TEST, CHECK, AND/OR REMEDY
ENGINE AND Cot'
4. Engine will not
start. Cranking
speed norma I.
Green indicating
light GLOWS
when engine con-
trol switch is in
RUN position.
Operating mode
switch in DRIVE
position D
(Continued)
IROLS (CONT'D.)
A o (Continued)
(l)Engine control switch
(2 I Fig. 1) defective
in START position e
(2) Defective plug box
Micro switch, or
circuitry between
terminal E4, Fig. 3
and the fue I- valve
solenoid
B. Defective fuel valve
solenoid
Trouble Shooting Chart (Sheet
A. (Continued)
below. If no voltage is observed
continue checking circuit as
follows:
(1)Check voltage at terminal E4,
Fig. 3 while holding switch
(2, Fig. 1) in START position 0
If no voltage is indicated, re-
place switch. If approximatei,
12-V DC is indicated, proceec
to step (2).
(2)Check circuitry and Micro
switch.
Repair or replace as
required e
B. Operation of the fuel valve may
be checked in at least two ways:
(1) Operation of the fuel valve is
audible by holding a
mechan its ' ste thescope on the
valve body while the engine
control switch (2, Fig. 1) is
operated repeatedly between
STOP and START positions.
If operation is not audible,
replace valve *
(2) Loosen the governor actuator
fue I oil line at the actuator e
ASSUMING there are no fuel
supply problems, fuel should
spurt from the loosened fuel
line when cranking the engine
with switch (2, Fig. 1) in
START position e If fuel is not
of 19)
Ott 30/73 Figure 6
3-2
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