Hydraulic System; Hydraulic Pump; Hydraulic Inner Circuit - Zetor 8621 Forterra turbo Operator's Manual

HYDRAULIC SYSTEM

Hydraulic system consists of inner and
outer circuit. The hydraulic pump of gear
type delivers the pressure oil into
system.
The oil for hydraulic system is used from
common oil filling of gearbox and
differential case.
HYDRAULIC SYSTEM
F 152

HYDRAULIC PUMP

The hydraulic pump
disengaged. If the engine runs the
hydraulic pump works.
Hydraulic pump is available in two sizes:
Pump Type
1. UC 20
2. UC 25
108
F 153

HYDRAULIC INNER CIRCUIT

can not be At tractors Z 8621 - 10641 the hydraulic
inner circuit is controlled by the inner
circuit control lever (1), control mode
selection lever (2) and response rate
control lever (3). Adjustable stop (4)
Pump Capacity
maintains the inner circuit control lever in
60 l/min
the selected position (this is not valid for
70 l/min
tractors equipped with electro-hydraulic)
F 154