8
Insert the stop ring, fig. 3-5, pos.2, and tighten well. It is recommended
that the screws be tightened and loosened a few times to ensure that they grip
betler.
Then insert the bearings on the shaft.
V
Unfold the roller frame as described above. Attach two slings/chains to the
frame. Lift the complete shaft with rings, using an approved crane (min. lifting
capacity 800 kg) and lower it into the roller frame. The end with the 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.
V
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.
V
The double-acting valve MUST NOT BE OPERATED in this situation.
V
Secure the roller mechanically in this position, as a safeguard against the
possibility of hose rupture.
V
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