TM-9-2320-260-20

TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

APRIL 1995

TM-9-2320-260-20 - Page 489 of 1337

TM 9-2320-260-20

4-25. STOPLIGHT PRESSURE SWITCH REPLACEMENT

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP

APPLICABLE MODELS

EQUIPMENT CONDITION

All

• Parking brake set (TM 9-2320-260-10).

MATERIALS/PARTS

• Air reservoirs drained (TM 9-2320-260-10).

• Battery ground cable disconnected (para. 4-48).

Four locknuts

Antiseize tape (Appendix C, Item 30)

GENERAL SAFETY INSTRUCTIONS

Do not disconnect air lines before draining air

REFERENCES (TM)

reservoirs.

TM 9-2320-260-10

TM 9-2320-260-20P

WARNING

Do not disconnect air lines before draining air reservoirs. Small

parts under pressure may shoot out with high velocity, causing

injury to personnel.

a. Removal

1.

Remove four locknuts (6), screws (8), washers (7), and shield (5) from air-hydraulic cylinder (4).

Discard locknuts (6).

NOTE

Tag all electrical leads for installation.

2.

Disconnect leads (1) from stoplight pressure switch (2).

3. Remove stoplight pressure switch (2) from tee (3).

1.

Apply antiseize tape to male threads of stoplight pressure switch

2. Install stoplight pressure switch (2) on tee (3).

3. Connect leads (1) on stoplight pressure switch (2).

4.

Install shield (5) on air-hydraulic cylinder (4) with four washers

(2).

(7), screws (8), and new locknuts (6).

4-48