TM 9-2350-256-20CHAPTER 8: MAINTENANCE OF SUSPENSION SYSTEM8-9 REPLACE/SERVICE COMPENSATING IDLER AND ARM ASSEMBLY-Continuedb. CLEANINGWARNINGDry-cleaning solvent used to dean parts is potentially dangerous to personnel and property. Do notuse near open flame or excessive heat. Flashpoint of solvent is 138F (59C).NOTEUse only dean dry-cleaning solvent for bearings.Clean all parts thoroughly using dry-cleaning solvent.c. INSPECTIONInspect all parts for wear, pitting, or other damage. Replace defective parts.d. INSTALLATION1 Lubricate new compensating idler arm support seal(13) with OE oil. Install new compensating idlerarm support seal with spring-loaded lip facingoutside of vehicle. Use replacer and handle.2 Install new preformed gasket (12).3 Install new seal assembly (11) in retainer (10) withspring-loaded lip facing inside of vehicle.4 Apply light coat of grease to mating surfaces andinstall outer bearing (9).5 Install spacer (8).6 Install inner sleeve bearing (7), flat washer (6), and thrust bearing washer (5). Apply light coat of grease tomating surfaces.7 Install new key washer (3) and round bearing nut (4). Tighten round bearing nut until bearings (7 and 9)cannot be turned. Then back off round bearing nut just enough so that inner and outer bearings will turn byhand 1 complete turn.8 Fold back edges of key washer (3) to lock round bearing nut (4).WARNINGCompensating idler arm is heavy, and may cause severe injury if dropped.9 Install compensating idler arm (2) and six screws (1).8-30
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