Bosch TCE 4530 Instrucciones De Réparation página 33

3.11.9 S2 - control lever with two unstable positions
Controls the upward and downward movement of the lower bead-breaking arm. In case of malfunctioning check
contact closure, the wire L+ with number 5 have to cause upward motion by exciting the electrovalve Y3N con-
nected between 5 and L -, whereas L+ with number 6 have to cause downward motion by exciting the electrovalve
Y3B connected between 6 and L -.
3.11.10 S3 - control lever with two unstable positions
Controls the forward and backward movement of the self-centering chuck. In case of malfunctioning check con-
tact closure, the wire L+ with number 2 have to cause forward motion by exciting the electrovalve Y1B connected
between 2 and L -, whereas L+ with number 1 have to cause backward motion by exciting the electrovalve Y1N con-
nected between 1 and L -.
3.11.11 S6 - AUTO button
Starts forward motion of the tool until opening (actuation) of the safety microswitch S6A which will stop the mo-
vement itself. In case of malfunctioning check contact closure, the wire L+ with number 5 (and the microswitch
S6A closed) controls forward motion of the tool by exciting the electrovalve Y5N connected between 8 and L -.
3.11.12 S6A - safety microswitch
Robert Bosch GmbH
Adjustments | TCE 4530 | 33
1 695 104 942
en
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2008-10-17