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Page Title:
TROUBLESHOOTING INTAKE MANIFOLD FLAME HEATER FUEL SYSTEM |
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 55. TROUBLESHOOTING COOLING SYSTEM - Continued
Corrective action
Probable causes
Malfunction
c.
Remove cylinder head
c.
Cylinder head or cylinder
3.
Loss of coolant -
or heads (par. 94 b).
head gasket defective, or
Continued.
Check for warped cyl-
warped cylinder heads.
inder heads (par. 199b).
Reface warped c ylinder
head or heads (par.
that are warped beyond
limits specified for re-
facing. Install new head
gaskets and/or heads
(par. 94g).
Remove and replace
d.
Cylinder or crankcase
d.
leaking core hole plugs.
(cylinder block) or cyl-
Refer to paragraph 200
inder head core hole
for cylinder head plugs
plugs leaking.
and paragraph 159 for
cylinder and crankcase
core hole plugs.
e.
Remove oil cooler (par.
Leaking oil cooler or
e.
oil cooler gaskets.
core if necessary. In-
stall oil cooler (par.
gasket.
f.
Replace oil cooler water
f.
Leaking oil cooler water
inlet tube (par. 77).
inlet tube.
a.
Clean or replace flame
--.
a
Flame heater fuel filter
1.
No fuel to intake
heater fuel filter element
plugged.
manifold flame
heater.
ter assembly (par. 81).
--.
b
Check fuel pump elec-
Flame heater fuel pump
--.
b
trical circuit (TM 9-
not operating.
2320-235-20). Remove
flame heater fuel pump
pump (pars. 232 through
236), or replace if
found damaged beyond
repair. Install flame
heater fuel pump (par.
57
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