S e c t i o n
V I .
F I E L D
E X P E D I E N T
R E P A I R S
T r o u b l e
3 - 6 6 .
G e n e r a l .
Organizational maintenance level troubles may oc-
cur while the engine generator set is operating in
the field where supplies and repair parts are not
available and normal corrective action cannot be
performed.
When this condition exists, the follow-
ing expedient repairs may be used in emergencies
upon the decision of the unit commander.
Equip-
ment so repaired must be removed from operation
as soon as possible and properly repaired before
being placed in operation again.
3 - 6 7 . F u e l i s n o t S t r a i n e d .
Trouble
Expedient Remedy
Fuel tank strainer
Run engine generator set,
element defective.
with defective strainer
element installed until
replacement is obtained
( p a r a 3 - 3 4 ) .
3 - 6 8 .
H o u s i n g
F i l l e d
W i t h
S m o k e .
Trouble
Expedient Remedy
Defective exhaust pipe. Run engine generator set
with defective exhaust pipe
until replacement is ob-
tained ( p a r a 3 - 8 6 ) .
3 - 6 9 .
E n g i n e
O v e r h e a t i n g .
Trouble
Shutter control assembly
not operational.
3 - 7 0 . L o s s o f C o o l a n t .
Trouble
Leaking coolant hose.
Leaking radiator.
Expedient Remedy
If the engine is running
too hot, manually open
shutter with the lever to
keep shutters open until
the engine is normally
shut down for n>ainten-
ance or other reason.
Expedient Remedy
If necessary shut down
engine, drain coolant,
tightly wrap leaky area
of hose with plastic elec -
tricians tape. Keep moni-
toring repaired hose area
while engine is operating
until replacement hose is
obtained.
Liberally apply epoxy, tar,
putty, or other nonsoluble
substance to leaking area
of radiator.
Let dry.
Fill radiator and operate
engine until replacement
radiator is obtained.
Do
E x p e d i e n t
R e m e d y
WARNING
not add coolant to
radiator until pressure
has been relieved.
Water pump leaks.
Loosen radiator cap so as
to relieve pressure. Cont-
inue engine operation
adding coolant to radiator
as frequently as necessary
to maintain water level
above top of radiator coil
assembly until engine can
be conveniently shut
down for water pump re-
placement.
3 - 7 1 . E n g i n e H e a t U p .
Trouble
Expedient Remedy
Badly worn fan belt.
Continue engine operation
with defective fan belt
installed until replacement
belt is obtained, or until
engine can be shut down.
Frequently observe fan
belt ( P a r a 3 - 1 8 3 . )
3 - 7 2 . E n g i n e C r a n k s B u t W i l l N o t S t a r t o r S t a r t s
a n d
R u n s
E r r a t i c a l l y
o r
M i s f i r e s .
Trouble
Clogged fuel filter.
Clogged fuel transfer
pump screen.
Defective fuel line.
Expedient Remedy
Shut down engine and remove
fuel filter cartridge and
strainer element ( p a r a
3 - 3 4 b ) . Use compressed
air, If available, or shake
vigorously, to clear ob -
struction.
Reassemble
and
continue operation until re-
placement parts are ob -
tained.
Shut down engine and remove
pump screen ( p a r a 3 - 1 6 5 ) .
Use compressed air, if
available, or shake vigor-
OUSIY, to clear obstruction.
Reassemble and continue
operation until replacement
parts are obtained.
Shut down engine and tightly
wrap area of line leak with
plastic electricians tape.
Keep monitoring repaired
line while engine is
until a replacement
is obtained.
operating
fuel line
3 - 2 7