TM 5-2350-378-23&P
0025
Table 4.
Possible Symptoms Of Failed HDC System Components - Continued.
HDC SYSTEM
POSSIBLE CONSEQUENCES
Solenoid Valve V6 - Shutoff valve - No. 3 left actuator
SPRUNG MODE:
No hydraulic fluid supply (9) to left rear
intermediate actuator 3.
Rear left of vehicle partially raised.
Left rear of vehicle will bottom out.
Possible vehicle damage.
Partial suspension shock absorbing capability
on rear left side.
UNSPRUNG MODE:
No hydraulic fluid supply (9) to left rear
intermediate actuator 3.
Rear left of vehicle will only be partially raised.
Solenoid Valve V7 - Shutoff valve - No. 3 actuator, left
SPRUNG MODE:
suspension port 2
No hydraulic fluid supply (9) to left rear
intermediate actuator 3.
Rear left of vehicle partially raised.
Left rear of vehicle will bottom out.
Partial suspension shock absorbing capability
on rear left side.
UNSPRUNG MODE:
No hydraulic fluid supply (9) to left rear
intermediate actuator 3.
Rear left of vehicle will only be partially raised.
Solenoid Valve V8 - Shutoff valve - No. 4 left actuator
SPRUNG MODE:
No hydraulic fluid return (11) from left rear wheel
valve.
Wheel valve in unsprung position.
No suspension shock absorbing capability on
rear left side.
UNSPRUNG MODE:
No hydraulic fluid supply (11) to left rear wheel
valve.
Wheel valve in sprung position.
Undesired suspension shock absorbing
capability on rear left side.
Right rear actuators maintain position or lower.
Rear actuators maintain sprung position.
Solenoid Valve V9 - Shutoff valve - Front left bump stop
SPRUNG MODE:
extend
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03/15/2011Rel(1.8)root(maintwp)wpno(M10001)