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Unfold the roller frame as described above. Attach two chains/straps. Lift the
complete shaft with rings up and into the roller frame using an approved crane
(min. 1000 kg).
Note that the last stopring to be fitted, fig. 7 -9 pos. 2, must face the middle of
the roller.
Fit the bearings and tighten. Remember to position the lubrication nipples so
that they can be lubricated, see fig. 10. Apply Loctite no. 270 to the stop
screws and tighten well. Fold the roller as described under operation.
Fig. 10:
Central section - REMOVAL:
Hitch the roller to a tractor if possible. If a tractor is not available, a hydraulic
pump with two double-acting valves will be required. It must be able to
supply a pressure of at least 160 bar.
Lift the side sections free of the transport bearings with one of the valves (red
hoses). Swing them right out with the other valve (blue hoses).
If the roller is not hitched up to a tractor, it must be unfolded carefully to
prevent it from tipping over backwards.
Tip the roller down until the roller rings are standing on the ground.
The swing rams (blue hoses) MUST NOT BE OPERATED in this situation.
Now the bolts holding the ball bearings can be removed. Watch your
fingers. Then tip the roller up carefully. Make sure that the roller shaft
remains on the ground.
Cambridge rings. Start with a smooth ring with its "nose" pointing in, see
fig.7 8. Follow this with a serrated ring with the smooth side facing out. It
should go right up over the hub ("nose") of the smooth ring.
Continue in the same way until approx. 12 cm is left. Omit the last serrated
ring. Make sure that the rings are tight up against each other.
Crosskill rings. Note the direction of rotation of the shaft. Start with a small
ring. It must face as shown in fig. 8. Then fit a bushing.
15
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