TM 5-2350-262-20-3
11
LEFT REAR CORNER DOES NOT RAISE IN SPRUNG OR UNSPRUNG MODE
No. 4 left and right actuators provide vehicle suspension in SPRUNG mode and allow vehicle to raise and lower in
UNSPRUNG mode. The compensating pump provides fluid through line 9 for SPRUNG mode and line 11 for
UNSPRUNG mode.
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.
HIGH-PRESSURE
1
3
CIRCUIT
2
RETURN
SUPPLY
4
5
18
6
COMPONENTS:
1. RETURN LINE FILTER
17
2. MAIN ACCUMULATOR
16
3. HIGH-PRESSURE FILTERS
4. DIRECTIONAL CONTROL VALVE
15
BANK
5. SPRUNG/UNSPRUNG VALVE
14
6. NO. 4 ACTUATOR, LEFT HAND
7
7. HYDRAULIC RESERVOIR
8. NO. 3 ACTUATOR, LEFT HAND
9. NO. 2 ACTUATOR, LEFT HAND
8
10. NO. 1 ACTUATOR, LEFT HAND
12
11. BUMP STOP CYLINDERS
12. COMPENSATING PUMP
9
13. CHECK VALVE
14. NO. 1 ACTUATOR, RIGHT HAND
13
11
10
15. NO. 2 ACTUATOR, RIGHT HAND
16. NO. 3 ACTUATOR, RIGHT HAND
17. MAIN HYDRAULIC PUMP
11
18. NO. 4 ACTUATOR, RIGHT HAND
SUSPENSION CIRCUIT