Buhler 535 - Manual (Page 96)

435/485/535
3-67
Section 3 - Operation
Drawbar Assembly
F3-76
F3-75
Drawbar Operation
The drawbar height is fixed and must not be altered .
It is designed to produce maximum traction for the
wheelbase, tire size, weight distribution and ballast of
the tractor . The drawbar length is non adjustable .
The drawbar is free-swinging and should be positioned
for the best performance and the least side draft .
There are five drawbar positions available . To swing
the drawbar, pull the hairpin clips () from the wear
blocks (2) . Remove the wear blocks, swing the drawbar
to the desired position and reinstall the wear blocks .
Choose a position that is right for the job and insert
the pin and wear block in that position to keep the
drawbar from moving .
It is recommended that the drawbar be pinned in
position at all times . On occasion, it may be necessary
to allow the drawbar to swing freely for implements
that place side loads on the rear of the tractor . The
drawbar can be used in a swinging application but
may require replacement of the drawbar wear block
after extended use .
Clevis-type implement hitches should be connected
only to the lower plate of the drawbar . Other hitches
should be connected between the plates as shown on
the decal on top of the drawbar wear block .
Automatic Hitch Pin
The drawbar is equipped with a hitch pin that will
automatically drop in place when hitching up to
implements .
To operate, place the hitch pin (3) in the raised
position . Retaining ring (4) fits in the upper notch (5)
of the clevis to hold the hitch pin in the raise position .
Release strap (6) must be positioned in front of the
retaining ring as shown . The drawbar is now prepared
to hitch to the implement .
When backing the tractor to attach the implement,
the implement hitch will contact the release strap
(6) when aligning the drawbar . As the release strap
is pushed forward it dislodges the retaining ring (4) .
Hitch pin (2) will drop as the retaining ring (4) slides
down the incline (7) on the front of the clevis . The
implement is now attached to the tractor without
requiring the operator to leave the cab of the tractor .
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