8-7. TRANSMISSION INTERNAL BRAKE ADJUSTMENT

8-6. TRANSMISSION OUTPUT FLANGE REPLACEMENT

TRANSMISSION INTERNAL BRAKE ADJUSTMENT (continued)

TM-9-2350-287-20-1 Carrier Ammunition Tracked M992A21 (2350-01-352-3021) EIC:AE6 Manual
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TM 9-2350-287-20-1 8-7. TRANSMISSION INTERNAL BRAKE ADJUSTMENT. This Task Covers: Adjustment Initial Setup: Tools/Test Equipment: l General mechanic’s tool kit (Item 24, Appendix 1) Materials/Parts: l Gasket (2) (Item 98, Appendix H) • Lockwasher (12) (Item 183, Appendix H) Personnel: Two Equipment Conditions: • Vehicle parked on level ground (refer to TM 9-2350-287-10). • Tracks blocked (refer to TM 9-2350-287-10). • Transmission access door opened (refer to TM 9-2350-287-10). • Service and parking brake linkage adjusted (para 10-2). ADJUSTMENT 1. 2. 3. 4. 5. 6. 7. 8. 9. WARNING Tracks must be blocked so vehicle will not roll when adjusting transmission internal brake. Failure to heed this warning can result in severe injury to personnel. Have assistant apply brakes fully (refer to TM 9-2350-287-10). Observe index marks (5) on brake levers (4). If index marks (5) rotate to APPLY mark (1) on retainer (3) but not to READJUST mark (2), brakes are properly adjusted. No further maintenance is required. If index marks (5) do not rotate to APPLY mark (1), or rotate past READJUST mark (2), brakes require adjustment. Proceed to step 4. Remove six screws (19) and lockwashers (20), right cover (21), and gasket (14) from right brake (18) on transmission (22). Discard Iockwashers and gasket. Remove file screws (9) and Iockwashers (8) and clamp (7) from left cover (6) on transmission (22). Discard Iockwashers. Remove screw (11), Iockwasher (12), two lockwashers (10), ground lead (13), left cover (6), and gasket (15) from left brake (16) on transmission (22). Insert screwdriver into adjustment nut (17) on right and left brakes(18 and 16), Turning nut (17) clockwise will tighten brakes; turning nut (17) counterclockwise will loosen brakes. Adjust right and left brakes (18 and 16) uniformly so that both index marks (5) aline with APPLY mark (1) on retainer (3) when brakes are applied. Install new gasket (15), left cover (6), ground lead (1 3), two new lockwashers (10), new lockwasher (12), and screw (11 ) on left brake (16) on transmission (22). 8-26

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