TM 5-5420-226-20-1
P r e v e n t i v e M a i n t e n a n c e C h e c k s a n d S e r v i c e s f o r M 4 8 A 5 A V L B H u l l -
C o n t i n u ed
Item
No.
73
Interval
Semiannual
Location
Item to
Procedure
Not Fully Mission
Check/Service
Capable if:
Manifold Heater
(Left and Right
Sides)
Keep hand
Install ground hop kit (page 5-25).
Check that all cables and hoses are
connected for ground hop test.
WARNING
away from high voltage ignition cable. Perform the
following steps in sequence given to prevent damage to engine and
possible injury to personnel.
Position a person on each side of en-
gine with hand on intake manifold
heater tube.
Set MASTER BATTERY switch to
ON. Press STARTER button and at
same time operate primer pump han-
dle and press heater button on han-
dle for no more than 15 seconds.
Check that heater is working by
feeling for heat at each intake heat-
er tube.
If heat is felt, heater is working.
Shut off engine by raising and hold-
ing ENGINE FUEL SHUT OFF
switch until engine stops.
Set MASTER BATTERY switch to
OFF.
3-110
Change 6
