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 TM 9-2815-226-34-2
c. Inspect fuel gear pump assembly components.
(1) Check dowel ring for damage or looseness. Replace if defective.
(2) Inspect idler sha ft and drive shaft for scoring, wear, and other damage.
Remove gear(s) and discard
shaft(s) if defective.
(3) Using micrometer, measure outside diameter of idler shaft and drive shaft. Remove gear(s) and discard
shaft(s) if diameter less than 0.4998 in. (12.6949 mm).
(4) Inspect idler and drive gears for scoring, wear, and other damage.
Remove gear(s) and discard if
defective.
(5) Using micrometer, measure width of idler and drive gears. Remove gear(s) and discard if width not within
0.7478 and 0.7481 in. (18.9941 and 19.0017 mm).
(6) Inspect gear cover and gear body for scoring, wear, and other damage. Discard fuel gear pump assembly
if defective.
(7) Using micrometer, measure gear pocket depth in gear body. Discard fuel gear pump assembly if depth not
within 0.7478 and 0.7481 in. (18.9941 and 19.0017 mm).
(8) Using micrometer, measure idler shaft bore in gear cover and gear body. Discard fuel gear pump assembly
if bore not within 0.5011 and 0.5016 in. (12.7279 and 12.7406 mm).
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