TM-5-2350-262-20-3

ARMORED COMBAT EARTHMOVER (ACE), M9

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL; VOLUME 3 OF 3; HYDRAULIC TROUBLESHOOTING TEST PROCEDURES

TM-5-2350-262-20-3 - Page 209 of 319

TM 5-2350-262-20-3

3-174

To block 7

2

Check for blockage in REAR SPNSN UNIT-9 hose.

Is there blockage?

Perform actuator hose 9 flow test.

Is there steady flow of hydraulic oil to actuator?

1

YES

NO

YES

NO

YES

NO

11

LEFT REAR CORNER DOES NOT RAISE IN SPRUNG OR UNSPRUNG MODE (CONTINUED)

Perform left manifold blockage test.

Is port 9 pressure less than 2,500 psi (17,238 kPa)?

4

Clear or replace REAR SPNSN UNIT-9 hose.

3

Remove all test equipment and connect hose.

5

Clear or replace manifold.

Remove all test equipment and

connect hose.

6

Verify problem with operator.

Remove all test equipment and

connect hose.