Location Of Electro-Hydraulic Control Panel; Function Of Control Elements; Pump Capacity - Zetor 8621 Forterra turbo Operator's Manual

LOCATION OF ELECTRO-HYDRAULIC
CONTROL PANEL
Electro-hydraulic control panel (1) is
located on the upper part of right fender.
It replaces the control
mechanical hydraulic regulation (inner
circuit). Function of hydraulic outer
circuit is secured by three-section SCV
controlled by three levers located on
upper part of fender (2).
ELECTRO-HYDRAULIC
F 176

FUNCTION OF CONTROL ELEMENTS

1. Lifting control lever has 4 positions:
a - transport, lifting
b - stop position
levers of
c - regulation, lowering
d - free place, fast lowering (springs
returns the lever back to position
c).
2. Blocking in transport position.
3. Speed of lowering 0...max.
4. Setting the desired value of lifting
device.
5. Limiting the upper position.
6. Regulation sensitivity
7. Mixing of regulations. Fluent setting
from draft to position control.
8. Optical indication of lifting.
9. Optical indication of lowering.

PUMP CAPACITY

Tractor with EHR BOSCH is equipped
with pump UC 20 with maximal delivery
60 l/min or UC 25 with maximal delivery
70 l/min. Maximal pressure in
system with EHR BOSCH, maintained
by relief valve is 21 MPa.
123
F 177
hydraulic