TM 9-2320-289-34
3-41.
FUEL INJECTOR PUMP REGULATOR AND TRANSFER PUMP BLADES
MAINTENANCE (Con’t).
b .
DISASSEMBLY
NOTE
Ensure that position of roll pin (17) is noted for installation, if removed.
1. Separate roll pin (17) from regulator
(6) if damaged.
2. Remove and discard filter screen seal
(13). Remove plug (1 6), regulating
spring (15), and regulating piston
(14),
c.
INSPECTION
1.
Inspect all springs for distortion, corrosion, or breakage. Replace any spring that is distorted,
corroded, or broken.
2.
Inspect all components for rust, nicks, scratches, and wear that appears uneven or may result
in looseness or leakage. Replace any component that is rusted, nicked, scratched, or has
excessive or unusual wear.
3.
Inspect transfer pump blades for scoring or pitting. Measure length of each blade. If any blade
is scored or pitted, or if length is less than 0.538 in. (13.67 mm), replace all transfer pump
blades and both springs.
d.
ASSEMBLY
NOTE
Ensure that hollow end of regulating piston (14) faces threaded end of
regulator (6) bore.
1.
Install regulating piston (14) and regulating spring (15) in regulator (6), Install plug (16) until
flush with end of regulator.
T A 5 0 7 39
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