TM 9-2320-289-346-7.FRONT AND REAR AXLE DRIVE PINION AND BEARINGS MAINTENANCE(M1009) (Con’t).b .CLEANING AND INSPECTIONWARNINGl Dry cleaning solvent P-D-680 is toxic and flammable, Always wearprotective goggles and gloves and use only in a well-ventilated area.Avoid contact with skin, eyes, and clothes and DO NOT breathe vapors.DO NOT use near open flame or excessive heat. The solvent’s flashpoint is 100°F-138°F (38°C-59°C). If you become dizzy while usingcleaning solvent, immediately get fresh air and medical help. If solventcontacts eyes, immediately wash your eyes with water and get medicalaid.• Compressed air used for cleaning purposes should never exceed 30 psi(207 kPa). Use only effective chip guarding and personnel protectiveequipment (goggles/shield, gloves, etc.). Failure to follow this warningmay result in serious injury to personnel.1.Clean and inspect front and rear bearing assemblies in accordance with TM 9-214.2 .Clean drive pinion, shim(s), and flange with dry cleaning solvent and dry with compressed air.3 .Clean bearing bores in housing with dry cleaning solvent to ensure that they are free of dirt orother contamination, Remove any nicks or burrs found.4 .Clean pinion setting gage tool parts with dry cleaning solvent to ensure that pinion depthmeasurements will be accurate.NOTEIf drive pinion is replaced, differential ring gear and ring gear bolts mustalso be replaced. (See paragraph 6-6 or 6-16)5.Inspect drive pinion, flange, and shim(s) for damage. Replace if damaged. If shim (s) isundamaged, measure and save for installation.6-33
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