6. Optical System
2004-10
Technical Manual for sunrise RC, TW, TS, TC, BC, 6F No. T 137 302 Rev No. 1.1
6-9
6.9 Replacing
Fiber
Bundle
The fiber bundle is fitted directly to the transport box on the one side and fitted to
the filter guide on the other side. It consists of 12 measurement fibers and one
reference fiber. On both sides the fiber is just clicked in and held in position by
pins. In case that the clips on the transport box are broken it is possible to fix the
fiber bundle using screws M3X12.
The fiber bundle itself is not serviceable. In case the fiber bundle fails it has to be
changed as a complete unit. For replacing this part please use to the following
procedure.
1.
Switch the instrument OFF.
2.
Remove the main power cable from the socket.
3.
Remove Top cover and upper EPAC (see 5 Removing and Replacing the
Instrument Cover).
4.
Remove front cover.
5.
Remove power board.
6.
Disconnect ST1, ST8,ST7,ST3,ST15,ST20 and ST 21 of main board and
all connections of the power board.
7.
Disconnect fiber from the filter guide.
8.
Remove the transport box.
9.
Replace new fiber bundle by removing the old one from the transport box.
10.
Replace all parts in reverse order.
