21Operating instructions HES and SEL5 Mounting and dismountingCONFIDENTIAL5.2.3 Adjusting the switch pointsThe factory setting for the switch points of the belt mis-alignment switches is 10° in both directions. The "Ad-vance Warning" and "Switch Off" switch points can beadjusted as required.1. Prior to working, switch off the power supply to thesystem. Ensure that the conveyor system cannot beaccidentally switched on. Mask any neighboringcomponents that may be live to prevent contact.2. Open the cover (2) of the belt misalignment switchby loosening the two screws (5) (see fig. 5-8).NoteThere are two screws (15) in each of the twocams (11) (see figure 5-10, page 22). With onescrew (15), the cam (11) is fixed in its basic set-ting. The second screw (15) is screwed into thecam (11).To adjust the cam (11), the first screw (15) isloosened just enough that the cam (11) can beturned. The screw (15) can remain in the de-vice. After being adjusted, the cam (11) is fixedwith the second screw (15).Fig. 5-9: Adjusting the switch pointsRoller lever (3)00: Basic position1: Switch point at a deflection of 5° to 15°2: Switch point at a deflection of 15° to 35°3: Maximum deflection at 75°112233Danger of fatal electric shockWork on the device may be performed only by a quali-fied electrical technician.Prior to working, switch off the power supply to the sys-tem. Ensure that the system cannot be accidentallyswitched on. Mask any neighboring components thatmay be live to prevent contact.