Cub Cadet 8454 Service Manual page 122

CHAPTER 4 8454
E. PTO
• PTO gear shift composed of constant mesh is avail-
able to shift gear while PTO clutch is OFF.
F. PTO CLUTCH SYSTEM
INTRODUCTION
• PTO clutch valve on the main body of the PTO clutch
as of the hydraulic wet multi-disc type can be turned
ON and OFF by the PTO switch control to discon-
nect and connect power to PTO.
• If the PTO clutch is turned ON, auto or manual mode
can be selected. In case the PTO switch is turned
"auto" PTO power is automatically disconnected
when locating the hydraulic lift arm at up position
and in case the PTO switch is turned "manual" PTO
power is connected regardless of the position of
the hydraulic lift arm, as structured as convenient
for application according to the work conditions.
• Modulator valve is equipped in the PTO clutch valve
available to display the same effect as semi-
clutched while increasing slowly the clutch
pressure.
• In addition, the brake installation on the main body
of the PTO clutch is structured to prevent the clutch
body from inertial rotating together and to stop the
PTO surely at OFF.
4-18
K&T Saw Shop 606-678-9623 or 606-561-4983
www.mymowerparts.com
<Power flow diagram>
(1) PTO Clutch Shaft
(2) PTO Clutch
(3) PTO Drive Shaft
<PTO clutch valve>
(1) PTO Clutch Shaft
(2) Clutch Body
(3) Piston
(4) Clutch Disc
(5) Clutch Plate
569W417A
(4) 51 Gear
(5) PTO Shaft
(6) PTO Clutch Valve
569W418A
(6) Pressure Plate
(7) Spline Boss
(8) Brake Disc
(9) Return Plate
(10) Return Spring
D569-W02 May-2003