TM 55-2840-231-23
6-27.5. Correction Procedures for Engine Fuel Pump Filter Bypass Valve - Continued.
ENGINE/
Fuel Pump Filter Bypass
Valve Correction Procedures
- Continued
(d) Remove and
discard o-ring, item
10, and o-ring, item
1
5
.
(e) Clean the pis-
ton, item 13, and
sleeve, item 14, using
petroleum solvent,
item 1, Appendix 1.
(f) Clean bypass
valve area and filter
bow area of the pump
housing, item 64, using
petroleum solvent.
(g) Replace o-
ring, item 15, NSN
5330-00-248-388, lu-
bricate lightly and
sleeve, item 14, using
item 4, Appendix D.
(h) Install sleeve,
item 14, in pump hous-
ing, item 64.
(i) Install piston,
item 13 and spring,
item 11, in sleeve, item
14.
(j) Replace o-
ring, item 10, NSN
5330-00-263-8031.
Lubricate and install
plug, item 9, with item
14, Appendix D.
(k) Install cap,
item 9, into pump
housing, item 64,
torque 105-125 in. lb
and safety wire.
6-68.8
Change 13