TM-9-2350-261-20-1

CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL - VOLUME 1 OF 4

TM-9-2350-261-20-1 - Page 286 of 346

TM 9-2350-261-20-1

MASTER SWITCH ON INDICATOR DOES NOT LIGHT

0046 00

INITIAL SETUP:

Maintenance Level

Unit

Tools and Special Tools

Digital Multimeter (WP 0780 00, Item 43)

General Mechanic’s Tool Kit (WP 0780 00, Item 29)

Personnel Required

Unit Mechanic 63T10

Helper (H)

Equipment Condition

Engine stopped/shutdown (see your -10)

Carrier blocked (see your -10)

T

1.

Remove MASTER SWITCH ON indicator cover lens (1),

gasket (2), bulb (3), and gasket (4).

2.

Measure resistance between bulb center contact (5)

and bulb base (6).

3.

Does multimeter read less than infinity?

TN

1.

Replace MASTER SWITCH ON

bulb (WP 0240 00).

2.

Verify no faults found.

Y

1.

Turn MASTER SWITCH to ON (see your -10).

2.

Is BATTERY/GENERATOR indicator in the green zone?

YN

GO TO

BY

(PAGE 0046 00-3)

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