Maintenance
85
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10.11.1 Blade Screw Connection
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EC-0-250
Pic. 49
• Fold up safety device
• Clean the area
• Remove damaged or worn blades
• To fit the blades, insert the blade (5) between the wear skid (2) and the cutting disc (1)
• Insert the retaining bolt (3) from below through the wear skid, the blade and the cutting
disc
• Place the locknut (4) on the retaining bolt from above and tighten it firmly (tightening
torque refer to chapter “Torques”)
• Repeat the process for all blades
• After fitting the blades, fold the safety device down again
Note
• The cutter blades of anticlockwise rotating cutting discs / blade drums are different to
those of clockwise rotating ones. Make certain the direction of rotation is correct when
installing!
• The arrow on the cutter blades must match the direction of rotation of the corresponding
cutting discs / blade drums
• The locknut (4) used to secure the retaining bolts must not be used more than once
Order No. for clockwise rotating blade: 139-889
Order No. for anticlockwise rotating blade: 139-888
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