TM 9-2815-237-34
2-32. FUEL INJECTION PUMP REPAIR (Contd)
48.
49.
50.
51.
52.
53.
NOTE
Machining marks between cam lobes should not be considered
damage.
Inspect cam lobes (16) on cam ring (15) for spalling or flaking out. Replace cam
lobes (16) are spalled or flaked.
ring (15) if cam
Inspect all transfer pump blades (17) and transfer pump liner (18) for scoring or damage. Replace
all transfer pump blades (17) and transfer pump liner (18) if any are scored or damaged.
Using a micrometer, measure transfer pump blades (17) at point A to determine wear. If any
transfer blade (17) is smaller than 0.538 in. (13.67 mm), replace all transfer pump blades (17)
and transfer pump liner (18).
Inspect governor weights (21) for excessive wear at heel (19) and toe (20) Replace governor
weights (21) if excessively worn.
Inspect delivery valve reaction cuff (22) for chipping or erosion. Replace delivery valve (23) if
reaction cuff (22) is chipped or eroded.
Inspect vent wire (25) in vent wire screw (24) for freedom of movement. If vent wire (25) is stuck,
replace vent wire screw (24).
2-105
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