Engine and Transmission Temperature Switches (cont).

TM 10-3930-638-24&P

2-31. SENDING UNITS AND SWITCHES MAINTENANCE (cont)

c. Engine and Transmission Temperature Switches (cont).

(2) Transmission Temperature switch (cont).

ITEM

REMARKS

LOCATION

ACTION

STEP

TESTING

Transmission temperature a. Fill container

switch

with water

b. Suspend

threaded

portion of

switch in

water

c. Connect ohm- Ohmmeter should indicate infinity

meter be-

tween switch

terminal and

body

Ohmmeter should indicate zero ohm when

d. Slowly heat

water to 280 temperature of water is between 285-272

degrees while

degrees

observing

ohmmeter

NOTE

Replace transmission temperature switch if proper indication

is not obtained in step 6 above.

e. Remove switch

from water

and discon-

nect ohm-

meter leads

INSTALLATION/REPLACEMENT

Engine compart-

a. Temperature switch (4) Install and

Turn clockwise until securely mounted to

ment front, right

tighten

transmission

b. Wire lead (3), lock

side of vehicle

Install and

Until wire lead (3) is securely mounted to

washer (2) and nut (1)

tighten

switch terminal

c. Wire lead (3) and

Seal

Use silicone rubber sealer

switch terminal

d. Resistor (6)

Position

In retainer halves (5)

e. Retainer halves (5)

To secure resistor (6)

Push together

and turn clock-

wise

2-166