TM 5-5420-202-34
FUEL PRIMER PUMP OUTLET VALVE ASSEMBLY REPAIR (Sheet 1 of 2)
TOOLS:
Retaining ring pliers (internal and external)
6 in. steel rule
Lubricating oil (Item 17, Appendix B)
SUPPLIES:
Rags (Item 28, Appendix B)
Parts kit
Gloves (Item 31, Appendix B)
Dry cleaning solvent (Item 12, Appendix B)
Goggles (Item 32, Appendix B)
PRELIMINARY PROCEDURE:
Remove outlet valve assemblies from primer pump
NOTE
Repair of the two outlet valve
assemblies i n primer pump is
identical.
DISASSEMBLY:
1.
Remove packing (A) from valve (B).
Throw packing away.
2.
Using retaining ring pliers, remove retaining
ring (C) from primer pump housing (D).
Remove spring (E) and ball bearing (F)
3.
from pump housing (D).
4.
Remove outlet valve (G) from pump housing
(D).
5.
Remove preformed packing (H) from
pump housing (D). Throw packing away.
CLEANING AND INSPECTION:
Dry cleaning solvent P-D-680 is toxic and flammable. T o prevent
personal injury, wear protective goggles and gloves and use only in a
well-ventilated area. Avoid contact with skin, eyes, and clothes and
don't breathe vapors. Do not use near open flame or excessive heat.
The flash point for Type #1 Dry Cleaning Solvent is 100F (38C) and
for Type #2 is 138F (50C). If you become dizzy while using cleaning
solvent, get fresh air immediately and get medical aid. If contact
with eyes is made, wash your eyes with water and get medical aid
immediately.
1.
Clean all parts of outlet valve assembly
with dry cleaning solvent as required.
2.
Using steel rule, measure length of spring.
Spring should be between 51/64 inch
to 13/16 inch. If not, replace.
Go on to Sheet 2
4-87
