Figure 3-98. Transmission torque valves.
operating temperatures (180° to 200° F.) and the
f. Pressure Checking.
engine running at 1,000 rpm.
(1) M a i n p r e s s u r e c h e c k .
g. Linkage Adjustment.
(a) T h e m a i n p r e s s u r e m a y b e c h e c k e d b y
(1) Range selector linkage. T h e l i n k a g e m u s t
the gage on the instrument panel.
be adjusted so that the operator's control is
( b ) The main pressure at full throttle stall
positioned to correspond exactly to the detent
should be approximately 110 to 135 psi.
positions of the range selector valve. With the
(2) Converter-out-pressure check.
l i n k a g e disconnected, place both the selector valve
(a) T h e c o n v e r t e r - o u t - p r e s s u r e m a y b e
and the operator's control in neutral position.
checked at the point provided for attaching the
Adjust the linkage so that it can be freely connected
temperature gage sending unit at the upper left side
w i t h o u t moving the valve or the control. Then try
o f the converter housing.
the control in each range position. Make minor
(b) Maximum converter-out-pressure at full
throttle top speed is 65 psi, with transmission at
adjustments, if necessary, to insure that the selector
valve detent seats at every range position of the
normal operating temperature (180° to 200° F.).
(3) L u b r i c a t i o n o i l p r e s s u r e . The lubrication
o i l p r e s s u r e s h o u l d b e 20 to 25 psi when the
(2) Forward-reverse linkage. The forward and
reverse control linkage must be adjusted so that the
transmission is in low range, forward, with the
output stalled and the transmission at normal
neutral, forward. and reverse detent positions of the