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.
58
59
60
61
62
63
Interval
Semiannual
Semiannual
Semiannual
Semiannual
Semiannual
Semiannual
Location
Item to
Check/Service
Water separator
Outer Filter
Elements
Water separator
Drain Sensor and
Solenoid Valve
Primary Fuel
Filter and
Housing
Manifold Heaters
Fuel Filters
Manifold Heater
Spray Nozzles
(Left and Right)
Manifold Hoses
and Clamps (right
and left)
Procedure
Service and replace water separator
outer filter elements and final filter
(center) element (page 7-203).
Perform operational check on water
separator, drain sensor, and solenoid
valve (page 7-230).
Replace primary fuel filter element
and clean housing (page 7-194).
Service and inspect manifold heater
fuel filter (page 7-260).
Service and inspect manifold heater
spray nozzles (page 7-283).
Check that intake manifold hose
clamps are tightened to 30-40 lb-in
(3-5 N•m).
Check hoses for cracks and damages.
Not Fully Mission
Capable if:
System does not
operate.
3-100
Change 6
