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TM 10-4320-351-14
4.10 REPAIR INLET MANIFOLD ASSEMBLY.
Inlet manifold maintenance is limited to replacement of the O-ring located on the outlet flange of the manifold, and
replacement of the three unisex couplings located on the inlet.
4.10.1 Replace Outlet O-Ring. (Refer to figure 4-5.)
This task consists of:
a. Removal
b. Installation
INITIAL SET-UP:
Tools:
Materials/Parts Required:
Tool Kit, General Mechanics
Nut, Self-Locking (Appendix I, Item 43)
(Appendix B, Section III, Item 1)
Nut, Self-Locking (Appendix I, Item 44)
Petrolatum (Appendix F, Section II, Item 10)
General Safety Requirements:
Equipment Condition:
Pump assembly shut down (para. 2.6)
WARNING
All fuel hoses removed from inlet manifold
(TM 10-4930-250-13&P)
Fuels are toxic and flammable. Do not get on person
or clothing. Work in well ventilated area. Do not
smoke. Ensure equipment is well grounded.
a.
Removal.
(1)
Remove the two bolts (1), flat washers (2) and self-locking nuts (3) that secure the inlet manifold (4) to the
module sub-frame. Discard the self-locking nuts.
(2)
Remove the six bolts (5), flat washers (6) and self-locking nuts (7) that secure the inlet manifold to the fuel
transfer pump. Discard the self-locking nuts. Remove the inlet manifold, and remove and discard the
manifold outlet O-ring (8).
b.
Installation.
(1)
Lightly lubricate with petrolatum and install an O-ring (8) on the inlet manifold (4).
(2)
Install the six bolts (5), flat washers (6) and self-locking nuts (7) to secure the inlet manifold to the fuel
transfer pump. Torque in a crossing pattern to 120-130 in. lb. (13.3-14.4 Nm).
(3)
Install and tighten the two bolts (1), flat washers (2) and self-locking nuts (3) that secure the inlet manifold
to the module sub-frame.
4-15
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