Inner Circuit Control Lever; Control Mode Selection Lever - Zetor 8621 Forterra turbo Operator's Manual

INNER CIRCUIT CONTROL LEVER

Inner circuit control lever controls:
a - lifting the implement into transport
position (max. lifting)
b - height adjustment of three point
hitch with implements when selected
position control and height adjust-
ment of tillage depth when selected
draft or mixed control
c - setting so called floating position
when working with implement equip-
ped with its own supporting wheel.
HYDRAULIC SYSTEM
F 155

CONTROL MODE SELECTION LEVER

Lever has three positions marked by P, M, and D:
P - Position control - Implement attached in the three point hitch is automatically
maintained in the constant height (position) with regard to the tractor.
Mix control - is a combination of position and draft control. This is suitable
M -
especially for tilling in soils with various resistance.
D - Draft control - Implement attached in the three point hitch is automatically
readjusted depending upon the change of soil resistance.
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F 156