KB21 Service Manual Pub 09-14
46
sSection 30
Motor Circuit Control Valve Operation
The control of the cutting operation of the mower head is obtained through the operation of a motor con-
trol valve.This valve is controlled by the operator through a switch located near the operator’s position.
In most cases the control valve is located below the swing cylinder mount and attached to the main
frame of the boom.
The Motor Control Valve used on the Terrain King Boom Mower utilizes 2 Pilot controlled logic valves
to tank.
In addition, the Motor control valve uses a 1850 relief pressure brake system to stop the rotating blades
after the operator shuts off the mower.
Terrain King Motor Control Valve Hydraulic Schematic
RVMAIN
3000 PSI
RVBRAKE
1850 PSI
SV
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