TM 9-2320-365-34-1Figure 1-19. Air System (Cont)Kneeling valves (6) on the front tires allow the front of the vehicle to be lowered for internal air transport. Quick releasevalves (7) are provided for each axle to exhaust air from the CTIS when the Operator selects a mode which requiresa lower pressure setting. Air pressure is also used to keep the cab level through the use of air springs (8), mountedbelow the rear cab support, and a cab leveling valve (9). The air system has enough reserve capacity to keep thevehicle operational in the event of a partial system failure.Change 1 1-27/(1-28 Blank)
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