TRANSMISSION SHIFT SPEED ADJUSTMENT

TM 9-2320-269-34-1

TRANSMISSION SHIFT SPEED ADJUSTMENT

This task covers:

INITIAL SETUP

Tools

Equipment Condition

Pliers, round-nose, long

Transmission removed and mounted on test

Test stand, transmission

Transmission oil filter removed

Personnel Required

One

ACTION

LOCATION

ITEM

REMARKS

NOTE

Shift speeds are adjusted by changing positions of adjusting rings in control valve body and low

shift valve body assemblies.

Turning adjusting rings clockwise increases spring force on shift valves and raises transmission

shifting speed. Turning adjusting rings counterclockwise lowers shifting speed. Turning adjusting

ring one notch will change transmission speed approximately 40 RPM.

ADJUSTMENT

Control valve

Adjusting rings

Using long round-nose pliers, push in

body (1)

(2), (3), and (4)

and turn to adjust.

Low shift valve

Adjusting ring (6)

Using long round-nose pliers, push in and

body (5)

turn to adjust.

NOTE

The following chart shows output shaft RPM's at which various transmission shifts should occur.

On transmission test stand, check all shift speeds and compare with those shown on charts. Make

necessary adjustments to bring transmission shifts within the ranges shown on the chart on the

following page.

2-808