BELARUS-1523/1523
В
/1523.3
/1523В.3
Construction and Operation
165
FRONT-END HITCH LINKAGE (FHL) (if installed)
The FHL is intended for operation of the
tractor in combined aggregates and
serves for coupling the tractor with
mounted agricultural machines intended
for operation in front of the tractor as well
as for adjusting their working position.
1 – axle of lower link; 2, 3 – oil pipelines; 4 – turn shaft; 5, 6 – levers; 7 – top link; 8 – lever; 9 – hydraulic
cylinder; 10 – bracket; 11 – drop-link; 12, 13 – lower link; 14, 15 – turn-buckle braces; 16 – bracket.
The tractor equipped with a FRL can be
delivered with a front independent power
take-of shaft installed on the bracket
front plane.
Attachment of agricultural machines to
the FRL is identical to mounting on the
rear hitch linkage.
The FHL is fitted with a mechanism for
restriction of the lower link joints down-
wards when performing works with agri-
cultural machines.
The FHL is installed on the front beam
plane and attached with plates to the
frame girders and side surface of the
beam. The oil pipelines (2, 3) connect
the side outlets (1) located on the right–
hand side as seen in the direction of trac-
tor travel, with the hydraulic cylinders (9)
of the hitch linkage.
The double-acting cylinders are attached
to the bracket (10) on one side and con-
nected through their rods to the turn lev-
ers (5, 6) splined to the turn shaft (4).
The turn levers are connected to the
lower links (12, 13) of the hitch linkage
by means of drop-links (11). The lower
links are installed of shaft (1) which is
passed through the bracket (10). Brack-
ets (16) are also installed on the same
shaft and connected to the lower link
through turn-buckle braces (14, 15).
The lever (8) of the drop restriction
mechanism is fitted on the turn shaft. In
the working position, the drop restriction
mechanism bears on a pin inserted into
the bracket (10).
The top link (7) is connected to the lever
(8) from one end and to the agricultural
machine from the other end.
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