TM 5-3895-373-34
2.20
REPAIR FUEL LIFT PUMP - Continued.
C.
INSPECT - Continued.
2.
INSPECT BODY (4) FOR WARPED FLANGES,
WORN ROCKER ARM, AND WORN OR
BROKEN ROCKER ARM SPRING.
a.
Inspect body (4), surface B, for warped
flanges. Fit body and cover flanges
together with file marks aligned and check
for gaps between flanges.
b.
If body flange is warped, place emery cloth
on a flat surface and place body flange on
paper.
c.
Lightly sand flange until smooth. Check
body
and
cover
flange
fit.
Repeat
procedure as needed.
d.
Rinse body in warm, soapy water and use
compressed air to remove foreign matter.
Dry body with a clean, lint-free cloth.
e.
Inspect rocker arm surface C for wear and
rocker arm spring surface D for wear or
damage. Replace fuel lift pump if rocker
arm surface is worn or rocker arm spring is
worn or damaged.
3.
INSPECT DIAPHRAGM SPRING (15) FOR
WEAR, COMPRESSION, AND CORROSION.
4.
REPLACE
DIAPHRAGM
SPRING
(15)
IF
WEAR, COMPRESSION, OR CORROSION
ARE DETECTED.
D.
ASSEMBLE.
1.
INSTALL
DIAPHRAGM
SPRING
AND
DIAPHRAGM ON BODY.
a.
Install diaphragm spring (15) into body (4).
b.
Position diaphragm (13) on spring with tab
(14) on diaphragm positioned in line with
mounting flange on body.
c.
Press down hard on center of diaphragm.
Grasp
tab
on
diaphragm
and
turn
diaphragm
approximately
1/4
turn
clockwise
while
pressing
down
on
diaphragm.
Align
screw
holes
on
diaphragm with screw holes on body.
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