15
Termination TDB 3
for enlarging existing holes
on rails inherent in the application
of electrical connections and for
additional special applications.
Termination TDB 1 for switch blades
and compound frogs
Termination TDB 6 for rails and stock rails
Seats to be used for
special applications.
7.2) Assembly of the DBG-F2 clamping device on the drill
The
DBG-F2
clamping device is fitted to the front plate of the drill, centred by means of the refer-
ence pin supplied and secured with the two socket head cap screws
M8x25
(35) also supplied.
The assembly is illustrated in Fig. 14.
FIG.13 – ASSEMBLY OF THE TERMINATIONS
positioning pawl
pointing downwards
holding
plate
7.1) Assemble of the terminations of the DBG-F2 device with moving arm for clamping the
drill to the rail web and track fittings.
The terminations
TDB 1, TDB 6
and
TDB 3
of the
DBG-F2
device, with moving arm, have been
designed for adaptation to the different operating conditions on rails and track fittings; their
assembly is shown in Fig. 13.
• When assembling the type TDB 3 termination remember that the positioning pawl must
be down in relation to the bolt.
• When disassembling the TDB 6 termination, please bear in mind that after removing the
pivot, it is necessary to slide the complete assembly away downwards, being careful not
to act on the holding plate.
• Over-advancing the spindle after drilling must be avoided using the TDB 1 and TDB3
terminations.