LUBRICATING OIL PUMP INSPECT/REPLACE (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 protective 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
Do not allow dirt or gasket material to enter the oil passages. Bearing
damage can result.
For cleaning purposes, the cover and the gasket for the hydraulic pump mounting
flange must be removed.
Clean lubricating oil pump and gear case gasket surfaces.
Use dry cleaning solvent to clean lubricating oil pump and dry with compressed air.
Inspect gears for freedom of rotation.
Inspect gears for cracked or broken teeth.
Inspect bushings for excessive wear or discoloration due to overheating or seizure to shafts.
Using depth verniers measure drive shaft end clearance in two locations 90 degrees apart (A).
Drive Shaft End Clearance (B)