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Before performing any adjustments, maintenance or repairs on the machinery,
always make sure the packer roller is resting firmly on the ground.
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It is strictly forbidden to allow anyone to be underneath Frontflex unless the
implement is securely blocked. Serious injury or death could result. If the
Frontflex is hitched to the tractor, it is important to set the tractor brakes.
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When changing bearings, shafts and rings, the main frame must be se-
curely blocked by a solid support. Best results can be achieved by mounting
the Frontflex in the three-point hitch of the tractor, with the Frontflex resting
securely on the ground.
Replacing bearings/shafts/rings
Due to normal tolerances of the castings, washers may have been added be-
tween the bearings and the roller rings and also between the lock washer at the
end of the shaft and the outermost ring. It depends on the new rings whether
the washers can be used again or not, as the rings must be tightly adjusted but
only to the extent that the lock washer (see Fig. 7) can be tightened as close
as possible to the shaft end. There must be no air between the lock washer and
the end of the shaft since the lock washer must press against the end of the
shaft.
If the rings are difficult to pull off the shaft, try using a high pressure cleaner
to flush out rust and soil from out between the rings and the shaft. If there is
time, place the shaft upright in a vertical position, apply a rust releasing agent
and let the shaft and rings stand overnight.
Rings can be so tight that it is necessary to cut through the shaft and then press
the ring off with a hydraulic press. This requires getting a new shaft, as the old
shaft cannot be welded together again. If only one ring is stuck, it will be more
economical to cut through it with an angle grinder and save the shaft.
Crosskill rings
1. Support the packer frame so the rings are just barely touching the ground.
2. Remove the locking bolts and the washer (A, Fig. 18) and pull the rings
3. Loosen the set screws in the bearings.
4. Remove the bolts fastening the bearing plates to the main frame and pull
side 18
Frontflex 2000
Repairs
located outside the bearing off the shaft.
the bearings and the bearing plates off the shaft. If the bearings are defec-
tive, remove the bearing plates and install new bearings. If the shaft needs
replacing, raise the main frame off the rings so the shaft and the rings are
free. Pull the shaft out of the rings.
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