TM 1-1520-238-236-292Change 46.66.MAIN TRANSMISSION ROTOR BRAKE DISK REMOVAL/INSTALLATION – continued6.66.3. Removala. Install maintenance fixture (1) in transmission(2) (if transmission is removed).Usemaintenance fixture.(1) Install four primary oil pump bolts (3) throughfixture (1) and transmission (2).b. Remove locknut (4) from brake disk (5).(1) Remove ring (6) from locknut (4).(2) Remove lockwasher (7) from locknut (4).(3) Remove locknut (4) from transmission shaft(8). Use spanner wrench.c. Unlock rotor brake (para 1.62).d. Remove brake actuator (9) from transmission(2).(1) Remove two bolts (10) and washers (11).(2) Remove actuator (9).e. Remove disk (5) from shaft (8).6.66.4. Cleaninga. Wipe rotor brake disk attachment area with aclean rag.6.66.5. Inspectiona. Check rotor brake disk attachment area forcracks. None allowed.b. Check rotor brake disk thickness in brake padcontact area.(1) Replace disk if thickness is less than 0.324INCHfor Goodyear, 0.350 INCHfor ParkerHannifin. Use caliper.GO TO NEXT PAGEM04-0522-7AOIL PUMP BOLTSMAINTENANCEFIXTURE123M04-0522-2A64758M04-0522-3A10851192
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