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 60 of 319
3-25
TM 5-2350-262-20-3
HYDRAULIC PRESSURE AT PORT 13R CHECK
•
Have assistant start engine, move SPRUNG/UNSPRUNG lever to SPRUNG, and hold
EJECTOR CONTROL lever in BACK.
Read pressure measuring device.
If hydraulic
pressure is not within limits, continue with following step.
•
While assistant is still holding EJECTOR CONTROL lever in BACK, have assistant move
right-hand SUSPENSION CONTROL lever to RAISE.
Read pressure measuring device.
If pressure is not within limits, main relief valve 13R requires adjustment.
•
Release EJECTOR CONTROL and right-hand SUSPENSION CONTROL levers.
13R MAIN RELIEF VALVE ADJUSTMENT
•
Loosen jamnut (1). Read pressure measuring device as assistant moves right-hand
SUSPENSION CONTROL to RAISE and EJECTOR CONTROL to BACK.
Rotate valve
(2) clockwise to increase pressure; counterclockwise to decrease pressure.
•
When pressure is 3,950-4,050 psi (27,235-27,925 kPa), tighten jamnut (1).
•
Verify pressure is now within limits by having assistant move right SUSPENSION
CONTROL lever to RAISE and hold EJECTOR CONTROL lever in BACK.
Read
pressure measuring device.
•
Stop engine; relieve hydraulic pressure.
Refer to TM 5-2350-262-20-2.
MAIN RELIEF VALVE 13R
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