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 424 of 855

TM 9-2350-277-20-1

RAMP WILL NOT RAISE OR FREE FALLS — Continued

0084 00

4Y

1.

Has hydraulic pump been replaced?

4YN

1.

Replace hydraulic pump

(WP 0655 00).

2.

Verify no faults found.

5Y

1.

Replace hydraulic cylinder (WP 0656 00).

2.

Verify no faults found.

AY

1.

Check all ramp hydraulic lines for damaged or loose fittings.

2.

Are all lines free of leaks?

AYN

1.

Tighten any loose fittings and/or

replace any damaged fluid lines

(WP 0659 00 thru WP 0668 00).

2.

Verify no faults found.

A2Y

1.

Inspect ramp hydraulic cylinder (1) for leaks.

2.

Is hydraulic cylinder free of leaks?

A2YN

1.

Replace hydraulic cylinder

(WP 0656 00).

2.

Verify no faults found.

A3Y

1.

Refill hydraulic tank (WP 0155 00).

2.

Verify no faults found.

0084 00-3/4 blank

Change 5