TM-5-2330-378-14-P

SEMITRAILER, LOWBED: 40 TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 AND M870A1

TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

JUNE 1999

TM-5-2330-378-14-P - Page 150 of 524

TM5-2330-378-14&P

4-33.

COMPOSITELIGHTASSEMBLYREPAIR(M870MARINECORPSVARIATION)

(continued).

b.

DISASSEMBLY

1

Unscrew six captive screws (7) in door and lens assembly (8). Captive screws (7) will stay in door and lens

assembly (8).

2.

Remove door and lens assembly (8) from composite light assembly (2).

3.

Remove and discard preformed packing (9) from door and lens assembly (8) only if preformed packing (9) is

damaged.

4.

Remove four lamps (110)from four sockets (11) by pushing in and turning one-quarter

turn counterclockwise.

Discard any lamp (10) that has a broken filament. Clean corrosion from sockets (11) if necessary.

C.

ASSEMBLY

1.

Place each of four lamps (10) in its proper socket (111). Push in each lamp (10) and turn it clockwise.

2.

If needed, place new preformed packing (9) in groove (12) in composite light assembly (2).

3.

Install door and lens assembly (8) on composite light assembly (2) by screwing in six captive screws (7).

d.

INSTALLATION

1.

Put four connectors (1) through hole (6) in frame of semitrailer.

2.

Install composite light assembly (2) on semitrailer using two bolts (4) and new lockwashers (5).

3.

Match tags and connect four connectors (1) to wiring harness (3).

2

4

5

0

11

7

8

6

12

10

FOLLOW-ONTASKS:

- None

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