Seats and Seat Belts - TM-9-2320-302-20

TM-9-2320-302-20 Truck Tractor Yard-Type: 43 500 LB GVW DED 4x2 Army Model M878A1 (Ottawa Model 60) (NSN 2320-01-121-2102) Manual
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TM 9-2320-302-20 0021 00-20 Table 1. Unit Preventive Maintenance Checks and Services (PMCS) for the M915A3 Tractor Truck - Continued. ITEM NO. INTERVAL LOCATION PROCEDURE NOT FULLY MISSION CAPABLE IF: ITEM TO CHECK/ SERVICE 37 Semi- annual Cab Compartment, Seats and Seat Belts Check seats and seat belts for loose mount- ings and damage. Replace seat/seat mounts if damaged. Replace seat belts if any seat belt system shows cuts, fraying, extreme wear, abrasions to seat belt webbing or damage to buckle or latch plate retractor hardware. 38 Annual Engine Compartment, Cooling System a. Test, drain, and refill cooling system in accordance with TB 750-651. b. Change water filter element. 39 Annual Air Dryer Service air dryer. 40 Annual Transmission Drain transmission fluid, replace filters, and refill (WP 0123 00). 41 Annual Rear Axles, Differentials a. Use socket (Item 29, WP 0236 00) to remove plugs (31) and drain fluid while assemblies are still warm from operation. Check magnetic drain plugs for excessive metal particle buildup. Notify Direct Sup- port Maintenance if this condition exists. Clean plugs. 31 31

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