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 77 of 319
TM 5-2350-262-20-3
3-42
4
BUMP STOPS INOPERATIVE
The bump stops limit travel of the vehicle’s No. 1 left and right suspension unit in SPRUNG mode.
Hydraulic pressure is supplied to bump stops by compensating pump through SPRUNG/UNSPRUNG
valve.
NOTE
Perform these procedures for left or right bump stop.
WARNING
High pressure is present in the M9 hydraulic system.
Do not disconnect any hydraulic
system component unless hydraulic system pressure has been relieved.
Ensure each
hydraulic control lever is moved several times through all positions and hydraulic tank
dipstick is slowly loosened to relieve pressure.
Failure to comply may result in severe
injury or death to personnel.
COMPONENTS:
1. RETURN LINE FILTER
2. MAIN ACCUMULATOR
3. HIGH-PRESSURE FILTERS
4. SPRUNG/UNSPRUNG VALVE
5. HYDRAULIC RESERVOIR
6. SUSPENSION RELIEF VALVE
(BEHIND)
7. BUMP STOP CYLINDERS
8. CHECK VALVE
9. COMPENSATING PUMP
10. MAIN HYDRAULIC PUMP
BUMP STOP CIRCUIT
HIGH-PRESSURE
CIRCUIT
RETURN
SUPPLY
3
2
1
4
5
6
7
8
9
10
7
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