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 TM 55-4920-426-13&P
FUEL PUMP -- REPAIR -- Continued
3-139
3-139
1. DISASSEMBLY
a.
File a groove across a point at the union of
the mounting bracket and the fuel head, this
is a positive location when reassembling.
Remove six screws.
b.
Remove fuel head.
c.
d.
Remove coverscrew.
Remove cover and gasket. Discard gasket.
e.
f.
Turn fuel head over, note the position of
the valves.
Remove the two valve assemblies and
g.
gaskets.
h.
Remove rocker arm spring, insert the end of
screwdriver into the coils of spring and
remove.
i.
Remove link from end of diaphragm. Hold
mounting bracket in the left hand with the
rocker arm toward your body and the thumb
nail on the end of the link. With the heel of
the right hand on diaphragm, compress the
diaphragm spring and at the same time pull
toward your body, unhook link from end of
diaphragm.
Remove rocker arm pin, with punch drive pin
j.
out from the small end.
k.
Remove rocker arm and bushing.
GO TO NEXT PAGE
3-198
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