1: twisted mounting cap stainless steel (303) with hexagon for key;
2: turned knob body stainless steel (303) with 60-step toothing (6° indexing);
3: stainless steel spring (302);
4: stainless steel mounting base (303) with 60-speed toothing;
6: mounting retaining ring stainless steel (420) DIN 471;
7: twisted handle holder stainless steel (303);
8: turned bush with hole and key for connection to the stainless steel shaft (303) and 60-speed teeth.
Assembly:
First of all, the control knob must be disassembled by unscrewing the mounting cap (1) and removing the spring and knob body. Then fix the base (4) to the device using the three countersunk screws M5 UNI 5933 (not supplied), but first insert the shaft into bore d and make sure that the keyway engages correctly. Then reassemble the spring (3) and the knob body (2) and tighten everything with the mounting cap (1).