TM 9-6115-664-13&P
4-33.
FLOAT VALVE HOUSING ASSEMBLY MAINTENANCE
8.
Disconnect fuel hose (14) and elbow (15) from
housing assembly (37). Remove hose clip (16) only
if replacement is required.
9.
Disconnect fuel hose (17), elbow (18), and adapter
(20) from housing assembly (37). Remove hose clip
(19) only if replacement is required.
B.
DISASSEMBLY.
1.
Remove cover (23, Figure 4-23) from housing (24)
by removing screws (25) and washers (26).
Remove cover gasket (27).
2.
Detach float (28) from shutoff valve (29) by removing
pin (30). Carefully remove float from housing (24).
3.
Remove shutoff valve (29) from housing (24) by
removing nut (31). Inspect O-ring (32) for damage.
Remove and discard if damaged.
4.
Remove vent (33) from housing (24). Remove plugs
(34, 35) only as required.
C.
INSPECTION.
1.
Inspect cover gasket for cuts, tears, deterioration,
or signs of permanent set. Replace gasket if any
damage is suspected.
2.
Inspect float for damage. Inspect for cracks, dents,
scratches, and signs of corrosion.
3.
Inspect shutoff valve for damage and signs of
corrosion. Check that valve orifice is clear and free
from contaminant build-up. Ensure valve flap opens
freely, free of binding or sticking.
4.
Inspect cover and housing for cracks, dents,
scratches, and signs of leakage. Inspect housing
ports for damage
Figure 4-23. Float Valve Housing.
(Sheet 2 of 4)
4-83
