TM-9-2520-234-35
POWER TRAIN ASSEMBLY; ALLISON MODEL XTG411-2A
TECHNICAL MANUAL; FIELD AND DEPOT MAINTENANCE MANUAL
JULY 1962
TM-9-2520-234-35 - Page 38 of 323
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
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