TM-5-2350-262-20-3

ARMORED COMBAT EARTHMOVER (ACE), M9

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL; VOLUME 3 OF 3; HYDRAULIC TROUBLESHOOTING TEST PROCEDURES

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Hydraulic pressure to No. 4 right actuator is provided by compensating pump through right-hand manifold by way
of circuit 9.
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.
REAR SUSPENSION RAISE/LOWER CIRCUIT
HIGH-PRESSURE
CIRCUIT
RETURN
SUPPLY
COMPONENTS:
1. RETURN LINE FILTER
2. MAIN ACCUMULATOR
3. HIGH-PRESSURE FILTERS
4. DIRECTIONAL CONTROL VALVE
BANK
5. SPRUNG/UNSPRUNG VALVE
6. NO. 4 ACTUATOR,LEFT HAND
7. HYDRAULIC RESERVOIR
8. NO. 3 ACTUATOR,LEFT HAND
9. NO. 2 ACTUATOR,LEFT HAND
10. NO. 1 ACTUATOR,LEFT HAND
11. BUMP STOP CYLINDERS
12. COMPENSATING PUMP
13. CHECK VALVE
14. NO. 1 ACTUATOR,RIGHT HAND
15. NO. 2 ACTUATOR,RIGHT HAND
16. NO. 3 ACTUATOR,RIGHT HAND
17. MAIN HYDRAULIC PUMP
18. NO. 4 ACTUATOR,RIGHT HAND
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RIGHT REAR CORNER RAISES UNSPRUNG, BUT NOT SPRUNG MODE


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