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 848 of 985

TM 9-2320-279-20-1

Electrical System Maintenance Instructions (Cont)

7-73.1. BEACON LIGHT ASSEMBLY REMOVAL/REPAIR/INSTALLATION (M984E1).

(8)

(9)

(10)

(11)

(12)

NOTE

Model B and Model C have

removable power supply unit. Model

C has a seal that is installed with

power supply unit.

Model C has a plug connection to be

connected between power supply

and flash tube holder assembly.

Perform steps (8) and (9) for Model

B only.

Perform step (10) for Model C.

Perform steps (11) and (12) for

Model B and Model C.

Install power supply unit (18) on beacon

light assembly (11) with three screws

(19).

Install flashtube lamp (20) in power

supply unit (18).

Install seal (21), power supply unit (22)

and flash tube holder assembly (20) on

beacon light assembly (11) with three

screws (19).

Install lens (23) on beacon light

assembly (11) with two screws (24).

Install collar (25) on beacon light

assembly (11) with three screws (26).

c.

Follow-on Maintenance.

(1)

Connect batteries (para 7-91).

(2)

Check M984E1 beacon light operation (TM 9-2320-279-10).

END OF TASK

7-270.2

Change 3