Rear Three-Point Linkage; Safety Principles When Working With A Three-Point Linkage - Zetor Major 80 Operator's Manual

LINKAGES

REAR THREE-POINT LINKAGE

Serves for connecting carrier-mounted or
semi mounted agriculture machines and
tools with linkage points of category I. or
II. pursuant to ISO.
The categories differ based on the length
of linkage axis, which is the distance of
the centre of balls of lower linkage joints
with connected tool.
Category I.
Length of linkage axis
∅ of holes of connecting
balls of lower draw bars
pursuant to ISO
∅ of upper draw bar hole
Category II.
Length of linkage axis
∅ connecting balls holes
of lower draw bars pursu-
ant to ISO
∅ of upper draw bar hole
1. Upper draw bar
2. Lift rod left
3. Lift rod right
4. Limiting draw bars
5. Lower draw bars
NM13N053
728 mm
28 mm
SAFETY PRINCIPLES WHEN WOR-
25 mm
KING WITH A THREE-POINT LINKAGE
870 mm
28 mm
25 mm
82
NM13N102
Persons who are not charged
with work with auxiliary device of
a tractor must not stand between
a tractor and connected machin-
ery (tools) - (A).
Do not park tractor with mounted
tools in a lifted position (B).
When driving without tools it is
necessary to connect lower draw
bars (5) by springs and upper
draw bars (1) to be placed to a
flexible linkage! When transport-
ing tools it is necessary to adjust
limiting draw bars (4) of lower
draw bars so that there would be
no unwanted side movement of
tools!