TM 5-3810-307-24-1-1
HEATED FUEL FILTER/WATER SEPARATOR
WARNING
Diesel fuel is combustible and an irritant. Skin and eye protection is required.
Good general ventilation is normally adequate. Keep away from open flame
and other ignition sources.
Removal
a.
Remove filter element as follows:
(1)
Ensure battery disconnect switch is in the OFF position.
(2)
(3)
Loosen clamp (1) and disconnect drain tube (2) from heater unit (3).
(4)
Unscrew heater unit (3) and remove gasket (4) from filter element (5). Discard gasket.
(5)
Unscrew filter element (5) and remove gasket (6) from filter head (13). Pour fuel from element into a
suitable container and discard element and gasket.
b.
Remove filter head as follows:
(1)
Disconnect fuel inlet hose (7) from elbow (14) and fuel outlet hose (8) from elbow (15).
(2)
Remove nuts (9), lockwashers (10), capscrews (11), washers (12) and filter head (13) from engine
mounting bracket.
(3)
If necessary, remove elbows (14 and 15) from filter head (13).
Installation
a.
Install filter head as follows:
(1)
If removed, install elbows (14 and 15, Figure 2-2-5) in filter head (13).
(2)
Install filter head (13) on engine mounting bracket with capscrews (11), washers (12), lockwashers
(10), and nuts (9).
(3)
Connect fuel outlet hose (8) to elbow (15) and fuel inlet hose (7) to elbow (14).
b.
Install filter element as follows:
(1)
Fill new filter element (5) with clean diesel fuel and install new gasket (6) and filter element (5) on filter
head (13). Tighten filter element hand tight and an additional 1/2 turn.
(2)
Install heater unit (3) with new gasket (4) on filter element (5). Tighten heater unit hand tight and an
additional 1/2 turn.
(3)
Connect drain hose (2) on heater unit (3) and tighten clamp (1).
(4)
Connect electrical connector for heater unit (3).
2-2-22