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 46 of 319
3-11
TM 5-2350-262-20-3
ACTUATOR PORT INDENTIFICATION AND DESCRIPTION
Port
Description
1
Actuator accumulator to wheel valve and leveling dump valve.
2
External port and passage to wheel valve and actuator shaft vanes (pressurized to raise vehicle).
3
External port and passage to wheel valve (pressurized to raise vehicle when in UNSPRUNG mode).
4
Internal passage from leveling dump valve to wheel valve (see next page).
7
External port for relief valve outlet flow.
7A
External port and passage from wheel valve (carries leveling dump valve flow when vehicle is in
SPRUNG mode).
7B
External port and passage from drain chamber.
8
External port and auxiliary passage to actuator accumulator from port 9.
9
External port and passage through leveling fill valve to actuator accumulator (pressurized to charge
accumulator when leveling fill valve is held open by cam).
11
External port and passage to wheel valve (pressurized to shift wheel valve into UNSPRUNG mode).
14
External port and axillary passage to actuator accumulator.
17
External port and passages to actuator shaft vanes (pressurized to lower vehicle when in
UNSPRUNG mode, and is return line passage when raising vehicle in both SPRUNG and
UNSPRUNG modes).
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