TB-9-2320-335-13-P

TRUCK, UTILITY: EXPANDED CAPACITY, IAP/ARMOR READY

TECHNICAL BULLETIN; OPERATOR AND FIELD MAINTENANCE AND REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL) INSTRUCTIONS

MAY 2008

TB-9-2320-335-13-P - Page 118 of 680

3-36

3-76.1. THERMOSTAT REPLACEMENT (SERIAL NUMBERS 300000 AND ABOVE)

This task covers:

a. Removal

b.

Installation

1.

Remove capscrew (2), washer (3), wiring harness (4), and clamp (1) from bracket (5).

2.

Remove nut (7), lockwasher (6), and bracket (5) from stud (8). Discard lockwasher (6).

3.

Remove stud (8), capscrew (9), thermostat housing (10), gasket (11), and thermostat (12) from water

crossover (14). Discard gasket (11).

4.

Clean gasket surface on water crossover (14) and thermostat housing (10).

1.

Install thermostat (12) into water crossover (14), ensuring valve sensor (13) points toward water

crossover (14).

2.

Position gasket (11) on thermostat housing (10). Apply sealing compound to fastener threads and

insert capscrew (9) and stud (8) to align gasket (11).

3.

Install thermostat housing (10) over thermostat (12) and on water crossover (14) with capscrew (9)

and stud (8). Tighten capscrew (9) and stud (8) to 25 lb-ft (34 N

•

m).

4.

Install bracket (5) on stud (8) with lockwasher (6) and nut (7).

5.

Install clamp (1) and wiring harness (4) on bracket (5) with washer (3) and capscrew (2).

b. Installation

a. Removal

TB 9-2320-335-13&P

INITIAL SETUP:

Tools

General mechanic’s tool kit:

automotive (Appendix B, Item 1)

Maintenance and repair shop equipment:

automotive (Appendix B, Item 2)

Materials/Parts

Gasket (Appendix A, Item 41)

Sealing compound (Appendix C, Item 61)

Lockwasher (Appendix A, Item 185)

Manual References

TM 9-2320-387-24-1

TB 9-2320-335-13&P, Appendix E

Equipment Condition

Cooling system drained, as required

(TM 9-2320-387-24-1).

Maintenance Level

Unit