TM 10-4320-307-244-10LUBE OIL PUMP ASSEMBLY REPAIR (CONT).CLEANING/INSPECTION:Dry cleaning solvent is potentially dangerous. Avoid repeated and prolongedbreathing of vapors and skin contact with the liquid. Do not use near open flame,arcing equipment, or other Ignition source. Always wear eye protection andprotective 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 beenreduced to 30 psi (2.11 kgcm2) or less. When working with compressed air alwaysuse chip guards, eye protection, and other personal protective equipment.1.Clean all parts with dry cleaning solvent to remove all traces of grease and oil.2.Dry all parts with compressed air.3.Blow out oil passages with compressed air.4.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 be corrected.5.Inspect dowel pins (3) in pump body (1) for damage. If necessary, remove and replace dowel pins using dowelpuller.6.Inspect pump body (1) and pump cover (2) for breaks, cracks, and damaged threads. Replace pump body andpump cover if broken or cracked.7.Inspect pipe plug (4) for damaged threads. Replace plug if damaged.8.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 broken.NOTEIf backlash test performed in paragraph 3-38 indicates excessive gear wear, replacedrive gear (5).4-73
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