Lower - prime mover smx45 Master Service Manual

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1.2. Lower

Hydraulic fluid is retained in the hydraulic cylinder by a check
valve and electrical hydraulic lowering valve. When the
solenoid is energized, oil passage from the cylinder to
reservoir is opened. Due to the load on the lift cylinder, fluid is
forced out of the lift cylinder and back to the reservoir while
the lift cylinder is retracting. Lowering speed is regulated by a
flow regulator. This process allows the truck to lower.
Pressure Oil
Return Oil
B+ Circuit
B- Circuit
Signal
Pre-Charge Voltage
Master Service Manual
F-code
PT
Version no
001
M3
1.25
CC
2006-08-08
Section C-code
S6.0 6000
Hydraulic System
T-code
SMX
1.3 GPM
3000
PSI
255