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last mounted stop ring (fig. 3-5, pos. 2) must point inwards on the roller.
Fit the bearings and tighten. Remember to turn the lubrication nipples to
allow for lubrication (fig. 6). Use Locktite no. 270 on the pointed screws
and tighten well. Close up the roller as described under "Operation".
Fig. 6:
Center section - DISMANTLING:
If possible, attach the roller to a tractor; if not, a hydraulic pump with a single-
acting and a double-acting valve will be required. The pump must be able to
deliver a pressure of at least 170 bar.
Use the single-acting valve to lift the side sections clear of the transport
bearings and use the double-acting valve to swing them right out.
If the roller is not attached to a tractor, it must be opened up gently to
ensure that it does not tip over backwards.
Use the single-acting valve to lower the roller until the roller rings are resting
on the ground.
The double-acting valve MUST NOT BE OPERATED in this situation.
Secure the roller mechanically in this position, as a safeguard against the
possibility of hose rupture.
The bolts holding the ball bearings can now be removed. Take care not to
injure your fingers.
Next, using the single-acting valve carefully tilt the roller upwards, ensure that
the roller shaft stays down on the ground.
ASSEMBLY:
Cambridge rings. Fit a stop ring about 12 cm in along the shaft (see fig. 3).
10
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