Cub Cadet 8454 - Manual (Page 233)

HYDRAULIC SYSTEM
6-39 D569-W03 June-2003
2.2 STRUCTURE AND OPERATION
A. SOLENOID VALVE
a . Structure
(1) Block
(2) Solenoid
(3) Ring
(4) Plug
(5) Bolt
(6) O-Ring
b. Operation
• In case PTO clutch switch is OFF
Oil at Port PI (gear pump) returns from Port A to the
tank (transmission case) after lubrication the idly ro-
tated PTO clutch via the modulating valve through in-
ner of the spool. The spool is blocked by the springs at
both ends from Port PI toward Port B in case of OFF.
(1) Tank (Transmission Case)
(2) Filter
(3) Pump
(4) Shuttle Shift Cover
569W651A
569W652B
(5) Solenoid Valve
(6) Priority
(7) Priority Valve