SPEEDOMETER AND TACHOMETER SENDING UNIT

TM 9-2320-270-20-1

SPEEDOMETER AND TACHOMETER SENDING UNIT

This task covers:

b. Installation (page 4-421)

INITIAL SETUP

Equipment Condition

Tools

Right side of hood open (TM 9-2320-270-10).

Screwdriver, flat-tip, 1/4-inch

Wrench, open-end, 1 1/16-inch

Personnel Required

One

ACTION

REMARKS

ITEM

LOCATION

NOTE

Steps in this task apply to both speedometer sending units, located on transfer case,

and tachometer sending unit, located on engine. Tachometer sending unit is shown.

Speedometer and tachometer sending units look the same. Speedometer sending unit

has 1,169 stamped on it. Tachometer sending unit has 1,002 stamped on it.

REMOVAL

Unscrew and unplug.

Cable (2)

1. Sending unit (1)

Using 1 1/16-inch wrench, unscrew

Nut (4)

2. Sending unit (1)

counterclockwise until sending unit (1)

to adapter(3)

is loose from adapter (3).

Take off.

Sending unit (1)

3. Adapter(3)

Unscrew clockwise and take off.

Nut (4)

4. Sending unit (1)

4-420