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TM 5-4210-220-12
4-23. FUEL SYSTEM AND AIR INTAKE - Continued
(35)
Lubricate the driven shaft and gear with engine oil. Place in the pump body if the driven gear has
chamfered teeth, this side must face the pump body, if the gear has a slot, this side must face the pump
cover. Ensure driven and drive gear mesh.
(36)
Apply a thin coat of silicone sealant (item 28, Appendix E) on the face of the pump cover outside of the
gear pocket area. The coating must be very thin since the pump clearances are set up on the basis of
metal-to-metal contact. Ensure no sealant is squeezed into the gear compartment.
(37)
Place the cover over the pump body. Ensure bolt holes line up. The cover can only be installed in one
position over the shafts. The two dowel pins should locate into the pump body.
(38)
Secure the cover (3) in place with the eight bolts (1) and lockwashers (2). Tighten bolts alternately and
evenly to 9 ft lb (12 Nm).
(39)
Rotate the pump drive shaft by hand to ensure parts rotate freely. If the shaft does not rotate, tap pump
gently while trying to move shaft.
(40)
Install fuel pump inlet and outlet elbow in pump cover. Do not tighten.
(41)
If fuel pump is to be installed in truck refer to INSTALLATION procedure preceding. If it is to be stored,
blank inlet and outlet connections with shipping caps. Coat pump with penetrating oil (item 20, Appendix
E).
4-405
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