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6.1) Assembling broach cutters (Ref. to Figs. 8-11).
6.1.1) Insert the pilot bit in the cutter from the side of the spigot.
6.1.2) Using the lever (36), position the spindle shaft (07) so that both grub screws (18) become
accessible and suffi cient space is provided to insert the cutter; if necessary rotate the spindle
shaft manually and suffi ciently by inserting the 4 mm male hexagon key in the appropriate
intermediate gear housing (33) in the crankcase of the drill corresponding to the feed handle
(71) (see Fig. 11).
6.1.3) Insert the cutter in the spindle shaft so that the two engaging dogs on the cutter spigot line
up with the grub screws (18).
6.1.4) Clamp the cutter by fully tightening the grub screws by means of the 4 mm male hexagon
key.
6.1.5) Check that the guide bit slides freely by applying slight pressure on it.
07
FIG. 8 – ASSEMBLING BROACH CUTTERS
6.2) Assembling spiral bits (Ref. to Figs. 9 - 11)
6.2.1) Using the advance lever, position the spindle shaft so that both grub screws become acces-
sible and suffi cient space is provided to insert the spiral bit; if necessary rotate the spindle
shaft manually and suffi ciently by inserting the 4 mm male hexagon key in the appropriate
intermediate gear housing in the crankcase of the drill corresponding to the feed handle
(see Fig. 11).
6. PREPARING THE DRILL
Short type broach cutter
Engaging dogs
Maximum drilling thickness: 1 inch
18
Long type broach cutter
Maximum drilling thickness: 2 inches
Pilot bit PP...
Pilot bit PPL ...
14
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