TM 9-2320-387-24-1
4-100
Change 1
4-60. STOPLIGHT/TORQUE CONVERTER CLUTCH BRAKE SWITCH MAINTENANCE
a. Removal
1.
Disconnect leads 75A (1), 75B (16), and connector 810A/810B (15) from switch leads (2).
2.
Remove two locknuts (6), washers (4), capscrews (5), washers (4), and switch (3) from mounting
bracket (7). Discard locknuts (6).
3.
Remove pushnut (14), stoplight switch arm (13), and washer (12) from actuating rod (11). Discard
pushnut (14).
4.
Remove pushnut (9), actuating rod (11), and washer (10) from brake pedal (8). Discard pushnut (9).
INITIAL SETUP:
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Test Equipment
Multimeter (Appendix B, Item 155)
Manual References
TM 9-2320-387-24P
Materials/Parts
Two locknuts (Appendix G, Item 109)
Two pushnuts (Appendix G, Item 313)
Equipment Condition
Battery ground cables disconnected (para. 4-68).
Maintenance Level
Unit
1.
Install washer (10) and actuating rod (11) on bracket (8) with pushnut (9).
2.
Install washer (12) and stoplight switch arm (13) on actuating rod (11) with pushnut (14).
3.
Install switch (3) on mounting bracket (7) with two washers (4), capscrews (5), washers (4), and
locknuts (6).
4.
Connect leads 75A (1), 75B (16), and connector 810A/810B (15) to switch leads (2).
b. Installation
1.
Disconnect leads 75A (1), 75B (16), and connector 810A/810B (15) from switch leads (2) and connect
multimeter to leads on switch (3) to check continuity. Multimeter should indicate open. Depress
brake pedal; multimeter should indicate continuity within approximately 1/4 in. (6 mm) of pedal
travel. If not, go to step 2.
2.
Loosen two capscrews (5) to allow movement of switch (3).
3.
Position switch (3) so that continuity is present when installed. Slide switch forward until no
continuity (open) is indicated (approximately 1/4 in. (6 mm)).
4.
Tighten two capscrews (5).
5.
Connect leads 75A (1), 75B (16), and connector 810A/810B (15) to switch leads (2).
6.
Connect battery ground cables (para. 4-68).
7.
Turn selector lever to service drive; stoplights should not illuminate. Depress brake pedal;
stoplights should illuminate within 1/4 in. (6 mm) of pedal travel.
c. Adjustment
This task covers:
a. Removal
c.
Adjustment
b. Installation
NOTE
Prior to removal, tag leads for installation.
