Wittenborg FB 7100 - Replacing the Microswitch BSSW

Service Manual FB 7100 Brewer System
5B - 24 January, 2005
B.3.14 Replacing the microswitch BSSW
Definition BSSW is an abbreviation of brewer safety switch.
Preparation Before replacing the brewer safety switch:
• Switch off the main switch, disconnect the power supply, and close the
water tap.
• Remove the brewer, see this section, page 5B-4.
• Remove the brewer cylinder, the filter plate holder and the scraper, see
this section, page 5B-7.
• Remove the brewer housing, see this section, page 5B-8.
• Disassembling the scraper arms, see this section, page 5B-13.
•
Replacement Follow these steps to replace the brewer safety switch:
Horizontally place the microswitch into the 3 mm holes in the highest po-
sition possible.
Step Action Illustration
1 Remove the fastening screws
(1) with washers (2) and nuts
(4) to replace microswitch (3)
with new switch.
2 Unplug the cable lugs from the
defective microswitch, and
connect them to the new
microswitch on the outer
contact pins (5).
Make sure that the
insulation hose is
positioned correctly.
3 Fasten the new microswitch as
illustrated on drawing.
Observe that the
screws are not
fastened too tight.
4 Check the function of the microswitch.
1
2
4
5
3