TM 9-2320-289-34
3-39.
FUEL INJECTOR PUMP THROTTLE SHAFT AND GOVERNOR ASSEMBLY
MAINTENANCE (Con’t).
b.
DISASSEMBLY
1.
Remove idle spring (20) and sleeve
(21) from rod (22),
2.
Place block (19) in soft-jawed vise,
Unscrew rod
(22) from block.
Remove helical spring (24) and
washer (23) from rod.
c.
INSPECTION]
1.
Inspect all springs for distortion, corrosion, or breakage. Replace any spring that is distorted,
corroded, or broken.
2.
Inspect throttle shaft seal seats for damage or wear that might cause leakage. Replace throttle
shaft if these conditions exist.
3.
Inspect all bores and grooves for obstructions or damage. Remove any obstructions and
replace any damaged components.
4.
Check vent wire on metering screw for freedom of movement. Replace metering screw with
same size metering screw if vent wire is sticking or damaged.
5.
lnspect all components for rust, nicks, scratches, and wear that appears uneven or may result
in looseness or leakage. Replace any component that
excessive or unusual wear.
d.
ASSEMBLY
1.
Install washer (23) and helical spring (24) on rod (22).
2.
Install idle spring (20) on sleeve (21), Install sleeve on
e.
INSTALLATION
is rusted. “nicked, scratched, ‘or has
Screw rod onto block (19).
rod (22).
1.
Install metering screw in metering valve (13) hole and tighten to 25-30 lb.-in. (3-4 N.m).
TA50729
3-132
