TM 9-2320-289-20
11-14. ENGINE COOLANT HEATER FUEL FILTER AND LINES REPLACEMENT (Con’t).
4.
Loosen fitting (12) and disconnect pipe (13) from heater fuel pump tee (11). Remove pipe
(13). Loosen fitting (18) and disconnect pipe (20) from pipe (16) as required. Loosen fitting
(8) and disconnect pipe (20) from adapter (9). Remove adapter from engine coolant heater
(10) as required.
b. INSTALLATION
2.
3.
NOTE
• If installing fuel lines, perform steps 1, 2, and 4.
• If installing fuel filter (3), perform steps 3 and 4.
• Apply pipe sealant to all pipe threads before installation.
1.
Install adapter (9) on engine coolant heater (10) if removed. Connect pipe (20) to adapter, but
DO NOT tighten fitting (8). Connect pipe (20) to pipe (16) and tighten fitting (18) if
disconnected. Position pipe (13) and connect to heater fuel pump tee (11) by tightening fitting
(12).
4.
Install clamp (19) on pipe (20) and install on stud (17) with new Iockwasher (21) and nut (22).
Install adapter (5), coupling (2), and fuel shutoff valve (1) on fuel filter (3). Install spacer (4)
and fuel filter assembly with 2 washers (6) and screws (7).
Connect pipe (13) to fuel filter (3) and tighten fitting (14). Connect pipe (16) to fuel filter and
tighten fitting (15).
TA50083
11-55
