Terrain King KB21 - Page 5

KB21 Service Manual Pub 09-14
5
Gear Motor and Tandem Gear Pump Operation...................................................................... 43
Tandem Pumps......................................................................................................................... 44
Motor Circuit Control Valve Operation...................................................................................... 46
Motor Control Valve Function................................................................................................... 47
Section 40 - Cylinder Control Systems.................. 48
40 -A. Bucher Series L.8S Open Center Directional Control Valve, Manual Control........ 49
Cylinder Hydraulic Control Circuit............................................................................................ 50
One Way Restrictors................................................................................................................. 52
Valve Sections Function........................................................................................................... 52
Hose End Fitting Torque Specication..................................................................................... 52
Work Port Relief Operation...................................................................................................... 54
Anti-Cavitation Check/Work Port Relief Operation................................................................... 55
Control Circuit Main Relief Valve Operation............................................................................. 56
Remote Cable Operation and Installation................................................................................. 57
Control Assembly - Controller End - Installation Procedure..................................................... 59
Mechanical Control Valve......................................................................................................... 61
Valve Ports...................................................................................... .......................................... 62
40 -B. Bucher Series L.8S Open Center Directional Control Valve, Electrical Control.... 63
General Operation.................................................................................................................... 65
Joystick Functions.................................................................................................................... 66