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TM 10-4320-348-14
f.
Fuel Selector Valve Removal. (Refer to Figure 4-15)
(1)
Close fuel cock (1) on fuel tank assembly (2).
(2)
Loosen hose clamp (3) securing fuel line (4) from fuel tank (2) at fuel selector valve assembly (5).
(3)
Loosen hose clamp (6) securing fuel line (7) to injection pump (8) at fuel selector valve assembly (5).
(4)
Remove fuel selector valve assembly (5) from fuel tank lines (4) and fuel injector pump line (6).
(5)
Remove fuel tank assembly (2). (see para. 4.26)
(6)
Remove cap (9), gasket (10), adapter (11), elbow (12), and adapter (13) from fuel selector valve assembly
(5).
(7)
Remove two hose barb adapters (14 and 15) and elbow (16) from fuel selector valve assembly (5).
g.
Fuel Selector Valve Inspection.
(1)
Inspect fuel selection valve assembly (5) for cracks and damaged threads.
(2)
Inspect fittings (9 through 16) for cracks and damaged threads.
h.
Fuel Selector Valve Repair.
Repair by replacing damaged components.
i.
Fuel Selector Valve Installation.
NOTE
Add teflon tape to all fittings.
(1)
Install elbow (16) and two hose barb adapters (14 and 15) onto fuel selector valve assembly (5). Position
fittings to align with the incoming and outgoing attachment points.
(2)
Install adapter (13), elbow (12), adapter (11), gasket (10), and cap (9) onto fuel selector valve assembly (5).
Position fittings to align with the incoming and outgoing attachment points.
(3)
Position fuel tank assembly (2) in the fuel tank mounting bracket and tighten.
(4)
Connect fuel selector valve assembly (5) to fuel tank line (4) and fuel injector pump line (6).
(5)
Secure fuel injector pump line (6) with clamp (5).
(6)
Secure fuel tank line (4) with clamp (3).
(7)
Open fuel cock (1) on fuel tank assembly (2).
4-37
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