TM 5-3805-254-20-2 Section II.  MAINTENANCE ALLOCATION CHART (1) (2) (3) (4) (5) (6) MAINTENANCE LEVEL GROUP COMPONENT MAINTENANCE Unit DS GS Depot TOOLS AND NUMBER ASSEMBLY FUNCTION C O F H D EQUIPMENT REMARKS 1208 Airbrake System - Con- tinued Lines and Fittings Replace 1.0 1 Quick-release Valve Replace 0.5 1 Double Check Valve Replace 0.4 1 Relay Valve Replace 0.5 1 Reservoir Inspect 0.1 Service 0.1 Replace 1.1 1 1209 Air Compressor Assembly  Replace 2.5 1,4 Repair 1.5 1,4 Governor Assembly Adjust 0.3 1 Replace 1.0 1 Repair 2.0 1,4 13 WHEELS AND TRACKS 1311 Wheel Assembly Wheel Alignment Inspect 0.8 3 Adjust 0.5 1,3 Front Hub Assembly Replace 2.0 1,3 Repair 3.0 1,4 Rear Hub Assembly Replace 2.0 1,3 Repair 3.5 1,4 Bearings and Seal Service 1.5 3 Replace 1.5 1,3 Service Brakedrum Replace 0.6 1,2 Repair 1.0 4 Disc Wheel Assembly Replace 0.2 2 Repair 1.0 1,2 1313 Tires, Tubes, Tire Chains Tire and Tube Assembly Inspect 0.5 Replace 2.0 2 Repair 1.3 2 J Change 1  B-15