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 42 of 319
RELIEVING HYDRAULIC SYSTEM PRESSURE
A
If necessary, stop vehicle engine. Place SPRUNG/UNSPRUNG control lever (1) in SPRUNG
position.
B
Relieve pressure from main accumulator by slowly moving SPRUNG/UNSPRUNG control lever (1)
toward UNSPRUNG position until a hissing can be heard. Hold in that intermediate position until
hissing
ceases, then place SPRUNG/UNSPRUNG control lever (1) in SPRUNG position.
C
Operate each of the four control levers (2) several times, through all positions, to relieve any residual
pressure in hydraulic subsystems.
D
Slowly loosen hydraulic tank dipstick (3) to allow air pressure to escape. Tighten dipstick (3).
1
2
3
TM 5-2350-262-20-3
Change 2
3-7
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