TM 10-4320-307-24
4-9
FUEL PUMP ASSEMBLY REPAIR/CALIBRATE (CONT).
CLEANING/INSPECTION/REPAIR:
Dry cleaning solvent is potentially dangerous. Avoid repeated and prolonged
breathing of vapors and skin contact with the liquid. Do not use near open flame,
arcing equipment, or other ignition source. Always wear eye protection and
protectlve clothing.
Death or serious injury could occur if compressed air is directed against the skin.
Do not use compressed air for cleaning or drying unless the pressure is/has been
reduced to 30 psi (2.11 kgcm2) or less. When working with compressed air always
use chip guards, eye protection, and other personal protective equipment.
1.
Clean all fuel pump components thoroughly with dry cleaning solvent and dry with compressed air.
2.
Inspect springs for bent or broken coils.
3.
Inspect springs for proper free length and effective compressed length. Discard any springs not within tolerances.
4.
Inspect shafts for securing nicks and scratches.
5.
Inspect gears for cracked, broken, pitted, or chipped teeth.
6.
Inspect O-rings for cracks or gouges.
7.
Inspect threaded holes for cracks and damaged or stripped threads.
8.
Repair is limited to the replacement of defective components.
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