TM-9-2320-272-24-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4
JUNE 1998
TM-9-2320-272-24-2 - Page 312 of 991
TM 9-2320-272-24-2
3-375. OUTSIDE TELEPHONE JACK POST REPLACEMENT
THIS TASK COVERS
a. Removal
b. Installation
APPLICABLE MODEL
REFERENCES (TM)
M934/A1/A2
TM 9-2320-272-10
TOOLS
TM 9-2320-272-24P
General mechanic’s tool kit (Appendix E, Item 1)
EQUIPMENT CONDITION
MATERIAL/PARTS
Parking brake set (TM 9-2320-272-10).
Fire extinguisher removed (TM 9-2320-272-10).
Seal (Appendix D, Item 601)
Inside telephone jack posts removed (para. 3-374).
Assistant will help with step 6.
6.
Remove screws (17), lead (16), nut (15), and telephone jack post (18) from grommet (14) and junction
7.
Remove grommet (14) from junction box (9).
1.
Remove four screws (11), cover (12). and seal (19) from van body (13). Discard seal (19).
2.
Remove two screws (5) and thermostat cover (4) from two thermostats (2) and inside panel (10).
3.
Remove eight screws (3) and two thermostats (2) from inside panel (10). Thermostats (2) remain
connected to wires.
4.
Remove twenty-three screws (8) and panel retainer (7) from inside panel (10).
5.
Pry inside panel (10) away from frame (1) enough to clear studs (6) and gain access to rear of
junction box (9).
NOTE
Tag all leads for installation.
1.
Install grommet (14) on junction box (9).
NOTE
Assistant will help with stop 2.
2.
Install telephone jack post (18) on grommet (14) and junction box (9) with screw (15).
3.
Install lead (16) on telephone jack post (18) with nut (17).
4.
Pry inside panel (10) over studs (6) and onto frame (1).
6.
Install panel retainer (7) on inside panel (10) with twenty-three screws (8).
6.
Install two thermostats (2) on inside panel (10) with eight screws (3).
7.
Install thermostat cover (4) on two thermostats (2) and inside panel (10) with two screws (6).
8.
Install seal (19) and cover (12) on van body (13) with four screws (11).
3-920
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