Cub Cadet 8454 - Manual (Page 236)

CHAPTER 6 8454
6-42 D569-W02 May-2003
b. Operation
• In case PTO clutch switch is OFF
(1) Tank (Transmission Case)
(2) Filter
(3) Gear Pump
(4) Shuttle Shift Cover
Oil at Port PI (gear pump) returns from Port T2 to the
tank (1) after lubricating the PTO clutch via the solenoid
valve (5) through the valve inside. Right after the PTO
clutch switch is turned ON to OFF, the oil inside the
hydraulic clutch comes back to Port C and returns from
Port T1 via the solenoid valve (5) to the tank.
(5) Solenoid Valve
(6) Spool
(7) Spring
(8) Piston
Meanwhile, as the circuit for pressing the piston (8)
gets closed, the piston (8) moves to the right as forced
by the spring (7). At this moment, the oil pressing the
piston (8) leaves through the around of the check valve
(10) to return to the tank while joined the oil from the
hydraulic clutch.
569W654A
(9) Filter
(10) Check Valve
(11) PTO Clutch
(12) Priority Valve