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 84 of 319
3-49
TM 5-2350-262-20-3
BUMP STOP CYLINDER LEAKAGE TEST
NOTE
Have suitable container ready to catch oil.
•
Stop engine; relieve hydraulic pressure and remove all test equipment.
Connect BUMP
STOP CYL-9 hose (1) to bump stop cylinder (2).
•
Disconnect BUMP STOP CYL-11 hose (3) from elbow (4) on bump stop cylinder (2).
Cap
elbow (4) and plug hose (3).
•
Start engine and move SPRUNG/UNSPRUNG lever to SPRUNG.
Note the time it takes
for the bump stops to extend fully.
•
Stop engine; relieve hydraulic pressure.
LEFT FRONT BUMP
STOP SHOWN
BUMP STOP CIRCUIT 11 TEST
NOTE
Have suitable container ready to catch oil.
•
Connect pressure measuring device (5) to end of BUMP STOP CYL-11 hose (3).
•
Start engine and move SPRUNG/UNSPRUNG lever to UNSPRUNG.
Read pressure
measuring device (5).
•
Stop engine; relieve hydraulic pressure.
Refer to TM 5-2350-262-20-2.
LEFT FRONT BUMP
STOP SHOWN
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