TM 9-2520-246-34-1 2-16. CLEANING. This paragraph gives general instructions for cleaning the transmission transfer parts. a. Clean all bearing cones and cups. Refer to inspection, care, and maintenance of antifriction bearings, TM 9–214. WARNING Dry cleaning solvent is flammable. Do not use near an open flame. Keep a fire extinguisher nearby when solvent is used. Use only in well- ventilated places. Failure to do this may result in injury to personnel and damage to equipment. Do not use more than 30 psi of air pressure for drying parts. Eye shields must be worn when using compressed air. Eye injury can occur if eye shields are not worn. CAUTION When scraping gasket material from surface of parts, be careful not to scratch or gouge metal surfaces. b. Clean all other parts with solvent. Scrape all gasket material from surface of parts. Rinse parts in clean solvent and dry with compressed air. c. Make sure that all oil passages are open. Open clogged passages with compressed air or by working a stiff wire back and forth. Flush with solvent. 2-17. GENERAL INSPECTION. The following paragraphs give instructions to check for damage on the transmission transfer case, covers, gearshafts, and gears. CAUTION It is easy to damage the equipment if you don’t know what you are doing. DO not try to do this task unless you are experienced at it, or you have an experienced person with you. NOTE Small chips, burrs or scratches on gears and gearshafts can be repaired. If parts are damaged in any other way, throw parts away and get new ones. 2-163