Specifications

TDB 6 end piece for rails and stock rails
Seats to be used for
special applications.
FIG. 13 – ASSEMBLY OF END PIECES
holding
plate
7.1) Assembling the end pieces
TDB 1, TDB 6 and TDB 3 end pieces of the DBG-F2 device, with moving arm, have been
designed for adaptation to the different operating conditions on rails and track fi ttings;
their assembly is shown in Fig. 13.
• When assembling the TDB 3 end piece ensure that the positioning pawl is pointing
downward in relation to the bolt.
• When disassembling the TDB 6 end piece ensure that, after removing the pivot, the
complete assembly is slid away downward without acting on the holding plate.
• Over-advancing the spindle after drilling must be avoided when using the TDB 1
and TDB 3 end pieces.
7.2) Assembly of the DBG-F2 clamping device on the drill
The DBG-F2 clamping device is fi tted to the front plate of the drill, centred by means of
the reference pin supplied and secured with the two socket head cap screws M8x25 (35)
also supplied. The assembly is illustrated in Fig. 14.
9.2) Drilling in line with rail heads (Ref. to Figs. 23-24)
9.2.1)
Fit the MPAF... positioning template corresponding to the rail to be drilled (see § 7.3
or 9.1).
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 provided 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9.2.5) With the spindle fully withdrawn, position the drill close to the MRF clamp, without
locking the spindle.
9.2.6) Slide the drill so that:
– the curved end of the SPA... plate is fl ush against the MRF clamp on the
side identifying the reference point for distances.
– the MPAF... positioning template is fl ush against the locking bolt (02) (see
Fig. 24).
9.2.7) Clamp the drill in this position by tightening the handwheel 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
21
14
TDB 3 end piece
for enlarging existing holes
on rails inherent in the application
of electrical connections and for
additional special applications.
positioning pawl
pointing downwards
TDB 1 end piece for switch blades
and composite frogs