TM-9-2320-285-24-1

TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1

TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1985

TM-9-2320-285-24-1 - Page 352 of 987

TM 9-2320-285-24-1

2-31.

LIGHT SYSTEMS MAINTENANCE (CONT)

e.

Marker Lights (cont).

STEP

LOCATION

ITEM

ACTION

REMARKS

REMOVAL

1

Cab roof,

a.

Two screws (1),

Remove

outside

retainer (2),

and lens (3)

b.

Retainer (2)

Separate

and lens (3)

c.

Lamp (4)

Remove

NOTE

Perform steps 2 and 3 below only if replacement of marker light assembly is required.

2

Cab roof,

a.

Upper cab

Remove

Trace electrical lead (11)

inside

harness tape

into upper cab harness.

Remove tape until wire

connector (5) is exposed

b.

Wire connector

Remove

Cut wire leads (11 and 12)

(5)

as close as possible to

connector (5)

3

Cab roof,

a.

Four screws (6)

Remove

outside

b.

Gasket (7),

Remove

As an assembly

lamp base

(8), grommet

(9), mounting

pad (10), and

electrical

lead (11)

CLEANING

4

a.

Lens (3)

Clean

Rinse lens in clear water;

dry with clean, dry cloth

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