BS-10041 11/04
The FP4-CORE-IR/FP4-FC assembly is then inserted into the 818-FA adaptor using the two screws
provided, see Fig. 3.
The 818-FA with the FP4-CORE-IR/FP4-FC then threads onto the 818/918D-IR.
Figure 3. 818-FA connection to the
FP4-FC/FP4-CORE-IR.