This happens if the workpiece is not supported properly as it enters or exits the thicknesser. Adjust the extension tables or manually support long boards.
To achieve glue-line joints and perfectly parallel boards, your planer-thicknesser must be perfectly calibrated. The AD 741 manual details three critical alignments: Planer Table Coplanarity
If you are looking for an older "Green" version of the AD 741 manual or specific calibration guides, woodworking communities often share these files, which you can then print:
Understanding the safety features, such as the bridge guard and emergency stop systems, is paramount. The manual provides essential operating instructions to prevent injuries. 4. Troubleshooting
The Ultimate Guide to the Felder AD 741 Manual: Getting the Most Out of Your New Planer-Thicknesser
Raise the infeed table until it matches the height of the outfeed table.
Use a forklift with adequate weight capacity or a crane with rated lifting straps positioned strictly around the designated chassis lift points. Never lift the machine by its cast-iron jointer tables.
Flip or replace knives. Reduce feed speed from 12 m/min to 6 m/min.
If it moves it further, the table is too low. If it doesn't touch, the table is too high. Adjust using the fine-tuning mechanism located underneath the outfeed table bed. Co-Planar Table Adjustment
Essential schemas for identifying precise part numbers when ordering replacements or accessories from Felder.
Proper setup is the most critical phase in your AD741's life. A machine that is not correctly aligned will produce subpar results and cause endless frustration. Patience and precision here will pay dividends in the quality of your work.