DUUN PA20 Gebrauchsanweisung - Seite 9
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Assembly instructions
Rotating shaft
Before connecting the power transmission shaft, ensure the following points.
Make sure that the shaft's protective tubes are intact and the two halves of the shaft fit freely into
each other.
The length of the power transmission shafts must be adjusted thoroughly, if it is too long it can
damage the bearing in the tractor's PTO or the propeller's bearings. Also ensure good lubrication
of the profile pipes. Read the instruction manual for the power transmission shaft.
Check if the PTO shaft can be rotated by hand to ensure it is not buckling anywhere.
Ensure that all shaft covers are in good condition and correctly fitted. Never start the machine
without this being in order! Pay particular attention to the plastic covers on the power transmission
shaft. If these are damaged, they must be replaced immediately! The locking chains for the plastic
covers must always be attached to suitable fasteners on the mixer to prevent the covers from
rotating. The covers are lubricated according to the specified interval.
Mount the PTO shaft on the tractor's PTO with the shear bolt coupling against the propeller
agitator. The wide-angle joint on the shaft must face the tractor. Safety chain is attached to the
propeller to prevent rotation of protective covers.
The power transmission shaft must always have a shear bolt coupling max. 4180 nm.
Check that the power transmission shaft will not sit in tension when the machine is lifted to the
max. or min. height. Also, note, the angle of the shaft can be too large when using very short
shafts - contact the supplier - importer.
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