Hydraulic Pressure Rise & Fall Device - Cub Cadet 8454 Service Manual

6.4 HYDRAULIC PRESSURE RISE & FALL DEVICE
A. SCHEMATIC DIAGRAM OF HYDRAULIC PRESSURE RISE & FALL DEVICE
(1) Hydraulic Cylinder Ass'y
(1-1) MLS Valve
(1-2) Double Acting Valve
(2) Hydraulic Block
B. PRINCIPLE OF OPERATION
The hydraulic pressure rise & fall device operates hy-
draulic block and hydraulic cylinder assembly by sup-
plying the oil from hydraulic pump 1.
The MLS valve of hydraulic cylinder assembly is avail-
able to work regardless of the load of the machine by
controlling the incoming and outgoing flow rate.
D569-W02 May-2003
K&T Saw Shop 606-678-9623 or 606-561-4983
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(3) Hydraulic Pump
(4) Hydraulic Filter
(5) Transmission Case
(A) Orbital Unit (Steering Device)
C. DESCRIPTION OF COMPONENTS
1) Hydraulic block: valve to exhaust the front exterior
2) Double acting valve: valve to exhaust the rear exte-
3) MLS valve: to control hydraulic cylinder assembly
4) Hydraulic cylinder assembly: to control external op-
HYDRAULIC SYSTEM
hydraulic pressure.
rior hydraulic pressure.
(control of rise and fall of the pressure).
erating machine with 3 point link.
569W6A9A
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