TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
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TM 9-2320-361-24-1 0003 00 0003 00-14 THEORY OF OPERATION (Contd) 0003 00-14 TRANSFER CASE CONTROL SYSTEM Transfer Case Control System Operation: The transfer case and PTO are mechanically controlled by separate connected to shift linkage consisting of a series of links and rods. The major components of the transfer case control system are as follows: TRANSFER AIR ACTUATED LOCKUP – Engages transfer case output shaft to the front axle. TRANSFER CASE SHIFT LEVER – Is pulled up to HIGH for light load operations or pushed down to LOW for heavy load operations. TRANSFER CASE SHIFT LEVER LINK – Transmits movement of transfer case shift lever to shift shaft. TRANSFER CASE LOCKOUT ROD – Actuates and adjusts the movement of transfer case lockout. TRANSFER CASE PTO CONTROL LEVER LINK – Transmits movement of transfer case PTO control lever assembly to transfer case PTO lever. TRANSFER CASE PTO CONTROL LEVER ASSEMBLY – Manual control for engaging power takeoff. TRANSFER CASE LOCKOUT – Locks transfer case in NEUTRAL position to prevent vehicle movement when transfer case PTO is engaged. G F E D C B A