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6 Open the turning washer (A) at the end of the axle and loosen the two screws (B).
A
Figure 4.9
7 Lift the axle in either end using a traversing crane or a loader.
8 Lift away the axle lock, axle bearing and the rings from the axle until the desired ring can be
accessed.The shaft bearing can be loosened by pulling out the roller ring behind the bearing.
Do not pull in the bearing! If any of the two spring-loaded rings need to be replaced, the care-
fully undo the strap.
9 Grease all O-rings in the bearings as well as the axle end. Refit all rings, the axel bearing and
axel lock. The tightening torque for the bolts (B) must be 280 Nm. Lock the screws using the
turning washer (A) .
10 Roll the roller ring unit backwards to the frame, set it properly and fit the axle bearings against
the frame supports. The tightening torque of the straps connected to the frame supports should
be 540 Nm.
NOTE!
Be very careful when the roller frame is lowered onto the bearings.
11 Fit the scraper.
14.04.2014
ver.2
B
Figure 4.10
RST 330-400
23
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