TM 5-5420-202-20-4
HEATER FUEL PUMP REPLACEMENT (Sheet 1 of 3)
TOOLS: 9/16 in. combination box and open end wrench
Ratchet with 1/2 in. drive
5/8 in. combination box and open end wrench
5 in. extension with 1/2 in. drive
7/16 in. socket with 1/2 in. drive
8 in. adjustable wrench
7/16 in. combination box and open end wrench
SUPPLIES:
Plastic plugs
Container
REFERENCE:
PRELIMINARY
TM 5-5420-202-10
PROCEDURE: Turn HEATER MASTER switch to OFF (TM 5-5420-202-10)
REMOVAL:
1.
Pull electrical plug (A) from harness
connector (B).
2.
Using 5/8 inch open end wrench, loosen
tube nut (C).
3.
Disconnect tube nut (C) from elbow
(D).
4.
Catch any excess fuel in container.
5.
Using 9/16 inch open end wrench, loosen
hose nut (E).
6. Disconnect hose nut (E) from pump (F).
7.
Plug both fuel
Go on to Sheet 2
lines (C) and (E).
TA248622
18-23