Siemens HM656A Installation Instructions Manual page 6

400a & 600a mechanism replacement kit for use with: 400a & 600a vbii safety switches, series “a”

9. For Type 3R, 12 & 4X enclosures, place the new handle grommet and interlock grommet onto the

enclosure as shown in Fig 10. When properly seated, the enclosure sidewall will be captivated within

the groove in the grommet.

10. Align the new mechanism through the grommets openings. Mount the Mechanism with the

Mechanism Mounting Screws (and sealing washers for type 4X) as shown in Fig's. 11 & 12.

Enclosure Inside Surface

Fig. 10

Fig. 11

Torque to 30 lb-ins.

Fig. 12

6 / 10 (English)

(3.39 Nm)

I.L. No. 508533A00