TM-9-2520-234-35 Technical Manual for M109 Transmission XTG-411-2A Download
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PAR 7 CHAP 1, SEC II GENERAL DESCRIPTION AND DATA Table I. TABULATED DATA - Continued Steer clutch and steer brake apply pressure . . . . . . 60 to 130 psi Governor (pitot) pressure . . . . . . . . . . . . . . . . . . . 80 to 88 psi at 2600 rpm of converter turbine Lubrication pressure . . . . . . . . . . . . . . . . . . . . . . . 18 to 45 psi at 1825 to 1925 engine rpm Brake coolant pressure . . . . . . . . . . . . . . . . . . . . . Unregulated Governor pressure at lockup engagement (full TV) (throttle valve) . . . . . . . . . . . . . . . . . . . . . . 75 to 89 psi Output speed at lockup engagement (at output couplings): Third gear . . . . . . . . . . . . . . . . . . . . . . . ...0 910 to 1080 rpm Fourth gear . . . . . . . . . . . . . . . . . . . . . . . . ..1820 to 2160 rpm Output speed limits at which downshifts can be made: Fourth to third . . . . . . . . . . . . . . . . . . . . . . . Second to first . . . . . . . . . . . . . . . . . . . . . . . . First to neutral . . . . . . . . . . . . . . . . . . . . . . . Temperatures (to cooler): Normal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maximum . . . . . . . . . . . . . . . . . . . . . . . . . . . Tachometer drive: Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 930 to 1410 rpm 780 to 1225 rpm 600 to 1180 rpm Approx 220 degrees F Approx 305 degrees F Left side of transmission, behind left output Counterclockwise (facing pad) Rotates at speed equal to output 10 Change 2