7. operating the multipress - Grass

8. TROUBLE-SHOOTING AND CORRECTIVE ACTION8-205 Horizontal bore head is not parallel to the machine table Illustration 8-205-01Required tools:6 mm Allen key8 - 10 mm fork wrench- Turn off the main switch.- Loosen the 4 gearbox fastening screws “1” (illustration 8-205-01) with a 6 mm Allen key by turning 3/4 to1 turn counterclockwise.- Loosen both lock nuts “2” with the 10 mm fork wrench.- Loosen the lower or the upper adjusting screw “3” depending on the problem.If the left spindle is higher than the center spindle:loosen the lower adjusting screw “3” clockwise;readjust the upper adjusting screw “3” clockwise until both the spindles are the same height.- Tighten the 4 gearbox fastening screws “1” (illustration 8-205-01) with 6 mm Allen key.- Reset the lower adjusting screw “3”.- Tighten both lock nuts “2”.- Turn main switch back on again.- Test drill. See section 7-701.- Check the results. If necessary, repeat the adjustment.8-206 Horizontal bore head does not align with the vertical bore headIllustration 8-206-02Drill the vertical dowel hole, as described in section 7-609, and the horizontal dowel hole, as described insection 7-701, on the same side stop, and then fasten both parts with a wooden dowel. If there is aprojection or excess on the stop side of the workpiece, the horizontal bore head must be adjusted.Problem: The bore head is too far left.Required tool:6 mm Allen key8 - 10 mm fork wrench- Turn off the main switch.- Remove all quick-change drill chucks from the horizontal gearbox.- Set the revolver stop for the shortest stop screw as the drilling depth.- Manually pull the horizontal bore head completely to the front.- Set the bore hole spacing on the vertical bore head at the front on the hand wheel under the machine tableto the dimensions of about 5 - 10 mm.- Loosen the 4 Allen screws “1” , 2 on each side, with a 6 mm Allen key by turning 3/4 to 1 turn counterclockwise.- Loosen both lock nuts “2” with the 10 mm fork wrench.- Loosen the Allen screws “3” about 3 - 5 mm counterclockwise with a 5 mm Allen key.- Readjust the Allen screw ”4” clockwise with a 5 mm Allen key.- 1 turn corresponds to an adjustment of about 1 mm.- Adjust the Allen screw “3” up to the stop “5”.- Tighten both lock nuts “2” with the 10 mm fork wrench.- Tighten the 4 Allen screws with the 6 mm Allen key.- Slide the horizontal bore head manually back to the stop.- Drill the vertical dowel hole, as described in section 7-609, and the horizontal dowel hole, as described insection 7-701 on the same side stop, and then fasten both parts with a wooden dowel. Check the results.If necessary, repeat the process.After a successful adjustment, please make sure the gearbox is parallel to the machine table and check thedigital position indicator on the horizontal bore head.The star in your cabinet103