LUBE OIL PUMP ASSEMBLY REPAIR (CONT).
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
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.
Clean all parts with dry cleaning solvent to remove all traces of grease and oil.
Dry all parts with compressed air.
Blow out oil passages with compressed air.
Clean all gasket material from pump body (1) and
pump cover (2). Check gasket surfaces for scratches,
wear, or damage. Smooth out scratches or damage
with emery cloth or replace gaskets if damage cannot
Inspect dowel pins (3) in pump body (1) for damage. If
necessary, remove and replace dowel pins using dowel
Inspect pump body (1) and pump cover (2) for breaks,
cracks, and damaged threads. Replace pump body and
pump cover if broken or cracked.
Inspect pipe plug (4) for damaged threads. Replace
plug if damaged.
Inspect drive gear (5) for pitting and worn or broken
teeth. Replace gear if gear teeth have pitting over
more than 1/4 width of tooth or if teeth are worn or
If backlash test performed in paragraph 3-
38 indicates excessive gear wear, replace
drive gear (5).