TM 9-2320-302-20 0234 00-6 Table 1. MAC for the M915A3 Tractor Truck - Continued. (1) GROUP NUMBER (2) COMPONENT/ ASSEMBLY (3) MAINTENANCE FUNCTION (4) MAINTENANCE LEVEL (5) TOOLS AND EQUIPMENT REF CODE (6) REMARKS CODE UNIT DS GS DEPOT C O F H D 0721 Oil Cooler and Hoses Replace 0.5 103,120 09 DRIVELINES 0900 Propeller Shafts Inspect Service Replace Repair 0.2 0.2 1.9 1.0 102 103,120 103,120 10 FRONT AXLE 1000 Axle Assembly Inspect Service Aline Replace Repair 0.3 0.1 1.0 4.5 4.0 102,120 102,120 100,120 100,120 1004 Tie Rod Knuckle Replace Repair 0.8 1.0 120 102,120 11 REAR AXLE 1100 Forward-rear Axle Inspect Service Replace Repair 0.1 0.2 4.5 8.0 102,106,120 100,120 102,120 Rear-rear Axle Inspect Service Replace Repair 0.1 0.2 3.0 8.0 102,106,120 100,120 101,120 1102 Differential Replace Repair 1.0 10.5 101,120 41,96,101,120 Output Shaft Assembly Replace 0.1 101,120 12 BRAKES 1202 Hanging Brake Assembly Replace Repair 1.0 0.3 120 120 Front Brakes Inspect Service Adjust Replace 0.7 0.1 0.5 2.0 120 120 102,120 Rear Brakes Inspect Service Adjust Replace 0.7 0.1 0.5 2.0 120 120 102,120 Brake, Slack Adjusters Adjust Replace 0.3 0.3 120 120 1208 Front Chamber Assembly Inspect Replace 0.2 1.3 120