23
9.2) Drilling in line with rail heads
(Ref. to Fig. 23)
9.2.1)
Fit the
MPAF...
positioning template corresponding to the rail to be drilled (see § 7.3).
9.2.2)
Fit the
MRF
clamp on the head of the rail, keeping it in contact with the rail head at the
reference point of the drilling centres. Lock it in position with the lever. The lever is pro-
vided with a return pushbutton for moving in any direction after locking (See Fig. 23).
9.2.3)
Insert the
SPA...
positioning plate so that the curved part is facing upwards.
9.2.4)
Insert the locking pin (02) in one of the two holes of the connection plate.
9.2.5)
With the spindle fully withdrawn, position the drill close to the MRF clamp, without lock-
ing the spindle.
9.2.6)
Slide the drill so that:
– the curved end of the SPA... plate is flush against the MRF clamp on the side identify-
ing the reference point of the distances.
– the MPAF... positioning template is flush against the locking bolt (02)
(see Fig. 24).
9.2.7)
Clamp the drill in this position by tightening the hand-wheel fully, and commence drilling
(see § 8.1).
9.2.8)
To drill the second hole in the rail, repeat operations 9.2.6 - 7 with the locking pin (02)
inserted in the second hole of the SPA... plate.
FIG. 23 – ASSEMBLY OF MRF CLAMP
