7-19E
Check of EPC system microswitch
NOTE: The microswitch is arranged on the left side of the constant-
depression carburetor in the area of the throttle valve. If the throttle
valve is opened all the way, the microswitch will close the power circuit.
– Remove seat and tank.
– Disconnect the 2-pole plug
2 of the microswitch.
– Connect an ohmmeter to both terminals of the microswitch.
–With the throttle valve closed, the ohmmeter must indicate zero
continuity.
– Open throttle valve all the way by twisting the throttle grip as far as
possible. In this case, you will hear a slight clicking noise of the
microswitch. In this position, the ohmmeter must indicate conductive
continuity.
Replacing the EPC system microswitch
– Remove seat and tank.
– Disconnect the microswitch plug.
– Remove the 2 screws
3, and take off the microswitch.
– Apply Loctite 243 to the threads of the two screws.
– Position the new microswitch, and fasten it with the two screws.
– Connect the plug, mount tank and seat.
Check of idle switch / contact screws
NOTE: The contact screw having the cable colors black/blue closes the
contact, when the 2nd gear is engaged.
The contact screw having the cable colors black/orange closes the
contact, when the 3rd gear is engaged.
The contact screw having the cable colors black/green closes the
contact, when the idle gear is engaged.
– Before you start with the check, disconnect the plug-and-socket
connection
1 to the EPC controller.
– For checking of the contact screws, connect a test lamp to the
positive terminal of the battery.
–Touch the connection of the central contact screw
6 with the test
probe. With the transmission set to idle, the test lamp has to be lit.
– When a gear is engaged, the test lamp must cease to be lit.
– Shift to 2nd gear, and touch the connection of the lower contact
screw
5 with the test probe. The test lamp must light up.
–With the transmission set to idle, the test lamp must not be lit.
– Shift to 3rd gear, and touch the connection of the upper contact
screw
4 with the test probe. The test lamp must light up.
–With the transmission set to idle, the test lamp must not be lit.
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