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 62 of 319
TM 5-2350-262-20-3
3-27
•
Stop engine; relieve hydraulic pressure.
Remove all test equipment and connect
HYDR FLTR-IN-13R hose (1) to high-pressure filter inlet port 13R.
.
•
Connect tee (2) and pressure measuring device (3) between high-pressure inlet port 13L
and HYDR FLTR-IN-13L hose (4).
•
Have assistant start engine, move SPRUNG/UNSPRUNG lever to SPRUNG, and
hold EJECTOR CONTROL lever in BACK.
Read pressure measuring device (3).
If
hydraulic pressure is not within limits, continue with the following step.
•
While still holding EJECTOR CONTROL lever in BACK, have assistant move left-hand
SUSPENSION CONTROL lever to RAISE.
Read pressure measuring device (3).
If
pressure is not within limits, main relief valve 13L requires adjustment.
•
Release EJECTOR and SUSPENSION CONTROL levers.
•
Loosen jamnut (5).
Read pressure measuring device as assistant moves left-hand
SUSPENSION CONTROL lever to RAISE and EJECTOR CONTROL lever to BACK.
Rotate valve (6) clockwise to increase pressure; counterclockwise to decrease
pressure.
•
When pressure is 3,950-4,050 psi (27,235-27,925 kPa), tighten jamnut (5).
•
Verify pressure is now within limits by having assistant move left-hand SUSPENSION
CONTROL lever to RAISE and hold EJECTOR CONTROL lever in BACK.
Read
pressure measuring device (3).
•
Stop engine; relieve hydraulic pressure.
Refer to TM 5-2350-262-20-2.
HYDRAULIC PRESSURE AT PORT 13L CHECK
NOTE
Have suitable container ready to catch oil.
MAIN RELIEF VALVE 13L ADJUSTMENT
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