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 183 of 319
3-148
TM-5-2350-262-20-3
YES
Yes
from block 25
33
Remove all test equipment and
connect lines.
Verify problem is solved.
Stop engine; relieve hydraulic
pressure.
Remove all test
equipment and connect hoses.
To block 35
32
Adjust apron relief valve adjustment.
Can pressure be adjusted to 1,950-2,050 psi
(13,445-14,135 kPa)?
34
Remove all test equipment
and connect lines.
Replace directional control
valve bank.
31
Perform apron relief valve pressure test.
Is pressure 1,950-2,050 psi (13,445-14,135 kPa)?
NO
YES
YES
NO
NO
10
HYDRAULIC OIL OVERHEATS (CONTINUED)
29
Perform ejector cylinder internal leakage test.
Is ejector cylinder leaking excessively?
30
Remove all test equipment and connect lines.
Replace or repair ejector cylinder.
Stop engine; relieve
hydraulic pressure.
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