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 368 of 855

TM 9-2350-277-20-1

TRANSMISSION DOES NOT DOWNSHIFT IN 1-4 POSITION

0066 00

INITIAL SETUP:

Maintenance Level

Unit

Tools and Special Tools

General Mechanic’s Tool Kit (WP 0926 00, Item 65)

Pressure Gauge Kit (WP 0926 00, Item 35)

Personnel Required

Mechanic

References

TM 9-2350-277-10

Equipment Condition

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

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

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

Driver’s power plant access panel removed

(WP 0441 00)

Power plant rear access panels removed (WP 0439 00)

Transmission in SL position

NOTE

Pressure tester must read 4 psi. Any other reading indicates a fault.

T

1.

Remove plug (1) from GOVERNOR TWO (G2) port (2).

2.

Install 1/16 inch pressure tester adapter in G2 port (2).

3.

Install pressure tester on pressure tester adapter.

4.

Start engine and let idle. See TM 9-2350-277-10.

5.

Does pressure tester read more than 4 psi?

TN

1.

Faulty transmission beyond unit

maintenance repair.

2.

Notify supervisor.

Y

1.

Has governor assembly been replaced?

YN

1.

Replace governor assembly

(WP 0397 00).

2.

Verify no faults found.

2Y

1.

Faulty transmission beyond unit maintenance repair.

2.

Notify supervisor.

Change 5

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