Zetor 3321 SUPER User Manual

77
HYDRAULIC SYSTEM
A 103
OUTER CIRCUIT CONTROL LEVER
There are three positions on the label:
a - Pressure is in quick-coupler No "1", quick-coupler No "2" is connected with re-
turn line. Lever is moved into its rear margin position. The lever must be kept in
this position otherwise is automatically turned into neutral position "b".
b - Neutral position (locked). Outlets of quick-couplers No "1" and "2" are closed
and the oil is blocked in attached hydraulic implement. The lever is automatically
kept by spring in this position.
c - Floating (free) position. Both outlets of quick-couplers No "1" and "2" are
connected with return line and the oil can freely flow in both directions. Lever is
locked by valve ball lock in this position.
d - Pressure in quick-coupler No "2", quick-coupler No "1" is connected with return
line. Lever is moved into its forward margin position. The lever must be kept in
this position otherwise is automatically turned into floating position "c".
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Zetor 3321 SUPER Specifications

General

Brand	Zetor
Model	3321 SUPER
Category	Tractor
Language	English