TM 5-5420-202-34
FUEL PRIMER PUMP REPAIR (Sheet 2 of 6)
6.
Reconnect inlet side of primer pump
(A) to fuel source.
7.
Attach pressure gage (C) to outlet side
of primer pump (A).
8.
Operate primer pump handle. Pump
should develop minimum pressure of
200 psi, with no external leakage.
Relieve pressure at gage (C).
9.
10.
With pressure gage (C) still connected
to primer pump (A), operate handle until
30 psi has been obtained.
11.
Remove inlet line from primer pump
(A).
12.
Observe for internal leakage. Leakage
should not exceed 20 drops per minute.
DISASSEMBLY:
NOTE
It may be necessary to place primer
pump in vise during disassembly.
1.
Using needle nose pliers, remove three
cotter pins (A), three pins (B) and one
link (C) securing handle assembly (D)
to primer pump (E).
2.
Using 7/16 inch wrench, remove screw
(F) and clamp (G) from handle assembly
(D).
3.
Using diagonal pliers, cut and remove
lockwire (H). Throw lockwire away.
Go on to Sheet 3
