TM 9-2815-225-34&P
3-59. FUEL GEAR PUMP REPAIR (Contd)
LOCATION/ITEM
ACTION
REMARKS
c. Cleaning
WARNING
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only
with effective chip guarding and protective equipment such as goggles or shield, gloves,
etc. Failure to comply may result in injury to personnel.
Approved solvents may be flammable and will not be used near open flame. Use only in
well-ventilated area. Failure to comply may result in injury to personnel.
8.
Fuel gear pump assembly
Clean with SD-3 solvent and
Refer to para. 3-6 for additional
(7) and all mounting
dry with compressed air.
cleaning instructions.
hardware
d. Inspection
9.
Idler shaft (12) and drive
a. Check for scoring, wear, and
If bearing sleeves (15) are worn or
shaft (17)
other damage.
damaged, remove gears (11) and
discard shaft (12) or (17) and bear-
ing sleeves (15).
b. Using suitable micrometer,
If bearing sleeves (15) are not
measure outside diameter.
within 0.4998-0.5001 in. (12.695-
12.703 mm), discard shaft (12) or
(17) and bearing sleeves (15).
10. Two gears (11)
a. Inspect for scoring, wear, and
Remove and discard if damaged
other damage.
or worn.
b. Using suitable micrometer,
Remove and discard if width is
measure width (see illustration).
not within 0.7483 and 0.7486 in.
(19.007 and 19.014 mm).
11. Gear cover (9) and gear
a. Inspect for scoring, wear, and
Discard fuel gear pump
body (13)
other damage.
assembly (7) if scored, damaged,
or worn.
b. Using suitable micrometer,
Discard fuel gear pump
measure gear pocket depth in
assembly (7) if gear pocket depth
gear body (13).
is not within 0.7478 and 0.7481 in.
(18.994 and 19.002 mm).
c. Using suitable micrometer,
Discard fuel gear pump
measure shaft bores in gear
assembly (7) if any shaft bore
cover (9) and gear body (13).
measurements are not within
0.5011 and 0.5016 in. (12.728 and
12.741 mm).
d. Check lubrication holes in gear
Lubrication holes must be clean.
cover (9) and gear body (13).
12. All other parts
Inspect for cracks, breaks, and
Discard any damaged parts.
other damage.
3-400
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