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TM 10-3930-638-24&P
4-3. FUEL SYSTEM MAINTENANCE (cont)
b. Fuel Injection Pump (cont).
INSPECTION (cont)
20
(cont)
21
22
c. Metering
valve (53)
d. Metering
valve
arm (55)
e. Linkage
hook
(54)
Advance
a. Piston (71
and 77)
b. Cam ad-
vance
screw (80)
c. Plugs (66,
68, and
74)
d. Head locat-
ing screw
(64)
End plate
a. Sleeve
(88)
(92)
b. Regulat-
ing
piston
(98)
c. End plate
(88)
Contact area of body for ex-
cessive wear
Pin for wear or looseness
Metering valve pin hole
Bore for excessive wear
Orifice
Bypass port for clogging
Upper end
For wear from transfer pump
end thrust
4-113
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