TM-9-2350-277-20-1

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 6

TM-9-2350-277-20-1 - Page 658 of 855

TM 9-2350-277-20-1

MSD/ICE TEST 10, 11, 12 AND 13 DIAGNOSTIC TROUBLESHOOTING

0140 00

INITIAL SETUP:

Maintenance Level

Unit

Tools and Special Tools

Electrical Connector Pliers (WP 0926 00, Item 31)

MSD/ICE Test Set (WP 0926 00, Item 61)

Jumper Wire

Materials/Parts

Insulating Tape (WP 0928 00, Item 39)

Personnel Required

Mechanic

References

WP 0118 00

Equipment Condition

Engine stopped (TM 9-2350-277-10)

Carrier blocked (TM 9-2350-277-10)

MSD/ICE MSD hooked up to DCA 6 (WP 0117 00)

Transmission in SL position

Power plant access door open (TM 9-2350-277-10)

T

1.

Perform MSD/ICE test 10 engine RPM (WP 0118 00).

2.

Is display 0 or erratic?

TN

1.

Faulty MSD.

2.

Notify supervisor.

Y

1.

Remove plug W1P1 from MSD jack J1.

2.

Remove harness 12354672 P2 (1) from pulse tachometer (2).

3.

Measure resistance between plug W1P1 (3), pins d (4) and c (5).

4.

Does MSD read infinity?

YN

GO TO

BY

(PAGE 0140 00-2)

014000-1

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