TM 9-2350-277-20-4REPLACE COMMANDER’S CUPOLA AZIMUTH LOCK (M113A3, M1059A3, M58 ANDM1064A3 ONLY) — Continued0489 00INSTALLATIONNOTEUse the least number of washers needed to release pin in unlocked position.1. Install spring (6), pin (3), washer(s) (5), and bushing (4) in hull ceiling below commander’s cupola.2. Align handle (2) with pin (3). Secure with new spring pin (1).FOLLOW-THROUGH STEPS1. Operate azimuth lock (see your -10). Check that cupola can be locked and unlocked. If cupola does not unlock, addmore washers (5) under bushing (4).END OF TASK0489 00-2
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