SECTION I: FUEL SYSTEM
Install fuel control valves and ID plates in reverse order
using illustration as guide.
Close fuel tank drain
valves and fill fuel
tank or turn on fuel
shutoff valves (refer to
(see paragraph 3-1)
4-13 REPLACE FUEL CHECK VALVE
THIS TASK COVERS
Tool kit, general mechanic's (Appendix C, item 53)
Bushing (Appendix G, item 5)
Engine deck removed (see paragraph 9-51)
Lockwashers (2) (Appendix G, item 130)
Do not smoke or use open flame when
working on fuel system: explosion may
occur, causing severe injury or death.
Turn MASTER switch and fuel pump switch
to OFF position.
Remove fuel inlet hose (1) from elbows (2 and 3).
Remove elbow (2) and adapter (4) from fuel check
Disconnect fuel pump outlet hose (6) and adapter (7)
from fuel check valve (5).
Disconnect manifold heater purge fuel line (8) from