TM 5-5420-226-20-2
ENGINE FUEL RETURN HOSE REPLACEMENT (Sheet 1 of 2)
TOOLS: 1-1/8 in. open end wrench
7/16 in. socket with 1/2 in. sq. drive
1 in. open end wrench
1-3/16 in. open end wrench
10 in. adjustable wrench
PRELIMINARY PROCEDURE:
REMOVAL:
1.
Using adjustable wrench to hold elbow (A), use 1 inch wrench to disconnect nut (B).
2.
Using 1 inch wrench to hold fitting (C), use 1-1/8 inch wrench to disconnect nut (D).
Using 7/16 inch socket, remove screw (E), lockwasher (F), and clamp (G).
3.
4.
Remove tube assembly (H).
5.
Using 1-1/8 inch wrench on nut (J) and 1 inch wrench on fitting (K), disconnect hose assembly
(L) from tube assembly (M).
6.
Remove coupled hose assemblies (L) and (N) from launcher.
7.
Using 1 inch wrench on hose assemblies (L) and (N) and 1-3/16 inch wrench on coupling
(P), remove coupling (P).
TA107768
Go on to Sheet 2