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TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download

Page 418 of 1170

TM 9-2320-280-20-3 Change 2 11-160.1 11-113. TURRET BEARING MAINTENANCE (Cont'd) 1. Inspect, tighten, or replace any loose, missing, or damaged parts on weapon station turret (1) area. 2. If weapon station turret rotation has not improved, loosen bolt (4), securing rear of support ring (2) to “C” pillar support bracket (3). 3. Check gap between “C” pillar support bracket (3) and rear support ring (2). NOTE If no gap exists, proceed to step 4. If gap is the thickness of a slotted washer or greater, proceed to step 5. 4. Remove slotted washers (1), one at a time, as required, and rotate turret to check for binding. If there is no improvement, proceed to step 6. 5. Add slotted washers (1), one at a time, as required, and rotate turret to check to see if it rotates freely. If there is no improvement, proceed to step 6. d. Adjustment 1 4 3 2 1