TM9-2350-222-20-1-3
FUEL BACKFLOW VALVE REPLACEMENT (Sheet 5 of 7)
CLEANING AND INSPECTION:
Using clean rags and dry cleaning solvent (Items 65 and 54, Appendix D), clean fittings and
1.
mounting hardware thoroughly.
2.
Inspect fittings and mounting hardware for nicks, cracks, wear, or thread damage. Replace if
required.
INSTALLATION:
NOTE
Coat threads of fitting with
sealing
compound (Item 27,
Appendix D) before installation.
1.
Using 13/16 inch wrench, install adapter (A) on
fuel backflow valve assembly (B).
Using 3/4 inch wrench, install adapter (C) on
2.
fuel backflow valve assembly (B).
3.
Using 3/4 inch wrench, install tee (D) on fuel
backflow valve assembly (B). Make sure tee (D)
is positioned as shown in illustration.
4.
Using 1/2 inch wrench, install adapter (E) on tee (D).
Using 3/4 inch wrench, hold tee (D) in position for steps 6 thru 8 following.
5.
6.
Using 9/16 inch wrench, install quick disconnect (F) on tee (D).
7.
(Early Model Only) using 1 inch wrench, install coupling assembly (G) on fuel backflow valve (B).
Go on to Sheet 6
TA253191
Change 1 7-45
