TM-9-2320-279-20-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3

TM-9-2320-279-20-1 - Page 711 of 985

TM 9-2320-279-20-1

Electrical System Maintenance Instructions (Cont)

Section VI. JUNCTION BOXES

7-47. MAIN JUNCTION BOX ASSEMBLY REMOVAL/INSTALLATION.

This task covers:

a. Removal

b. Installation

c. Follow-on Maintenance

INITIAL SETUP

Models

M978

References

None

Test Equipment

None

Special Tools

None

Supplies

Equipment Condition

TM or Para

Condition Description

Para 7-91

Batteries disconnected.

Special Environmental Conditions

None

a.

Adhesive-sealant, silicone, Item 4,

Appendix C

Tags, identification, Item 48, Appendix C

Compound, sealing, pipe thread, Item 18,

Appendix C

Personnel Required

MOS 63S, Heavy wheel vehicle mechanic

General Safety Instructions

No smoking, flame, sparks, and hot or glow-

ing objects within 50 ft (15 m) of vehicle.

Removal.

(1)

Remove six screws (1),

cover (2), and gasket (3) from

main junction box (4).

7-142

Change 3