Hobart 9OC24S Operation Manual page 228

$MOTOR GENERATOR DIVISION
HOBART BROTHERS COMPAN"
OPERATION, MAINTENANCE, AND OVERHAUL MANUAL, TM-240A
SELF-PROPELLED GENERATOR SET, SPEC. NO. 5381A
fROUBLE SYMPTOM
AND CdNDlTlONS'
PROBABLE CAUSE
TEST, CHECK, AND/OR REMEDY
ENGINE AND CONTROLS (CONT'D.)
1. Engine will not F. (Continued) F. (Continued)
start. Starter will
not crank engine * condition. If starter is free,
(Continued)
internal engine seizure is indi-
cated. Consult the local Cum-
mins Engine Company distributor.
2. Engine will not
start. Cranking
speed low.
A. Low battery output A. Check battery. Recharge or
replace.
B. Loose starting circuit con- B. Check all connections and
nections or faulty cables cables. Tighten or replace as
required.
C. Improper lubricating oil ' C-Check oil. See 2-2, Para. 2,
viscosity
D, (3).
D. Ambient temperature too
D. Use engine starting aid. See
low for normal starting
l-3, Para. 3, C.
procedures
3. Engine will not A. Defective fuse (10, Fig. 1) A. Remove fuse and visually inspect,
start.
Cranking Replace if "blown" and check
speed normal. In-
for cause of fuse "blowing "-
dicating light (9,
Fig. 1) dcjes NOT B. Defective switch (2, Fig.
B. If fuse (10, Fig. 1) and lamp
glow when switch
1)
(9, Fig. 1) are good, the engine
(2, Fig. 1) is in
control switch (2, Fig. 1) is
RUN position 0
defective e Replace switch.
Lamp is GOOD.
4. Engine will not
NOTE: Before proceeding to tests and checks, make certain that
start a Cranking
the output cable plug connector(s) is(are) properly stored
speed n orma I e
in plug b&es), and that there is sufficient fuel in the tank,
Green indicating
light GLOWS
A. Defect in 12-V DC by-pass A. To determine if the circuit is
when engine con-
circuit to fuel shut-off functioning, check voltage at
trol switch is in
valve o
the fue I valve solenoid while
RUN position.
holding engine control switch
Operating mode
(2,. Fig. 1) +I START position.
switch in DRIVE
If approximately 12-V DC is
position.
observed, proceed to step 4, B
3-2
Page 12
Trowble Shooting Chart (Sheet 2 of 19)
Figure 6
Ott 30/73