Tiller arm 4000
Electrical steering system – 4000
© BT Repair manual  SWE100, 120, 120L, 120S, 140, 140L, 200D 15 –   11
Order no.. Date Valid from serial no. T code
258946-120 2012-08-30 6061850- 841×842×843
15.5.5 Replacing the horn button/switch
1: Disassemble the tiller arm handle. See section 
"15.5.4 Disassembly/assembly of tiller arm handle".
2: Remove the button using a screwdriver as shown in the illustration
3: Remove the connection for the switch on the logic board
4: Press out the switch from its bracket
5: Fit the new switch and connect the cable to the logic board
6: Align the button with the catch and secure it by hand.
7: Assemble the tiller arm handle. See section "15.5.4 Disassembly/
assembly of tiller arm handle".
15.5.6 Replacement of lift/lower button
1: Disassemble the tiller arm handle. See section 
"15.5.4 Disassembly/assembly of tiller arm handle".
2: Remove the button by placing a screwdriver in the holes (A):
3: Unscrew the plate holding the arm and remove the arm
4: Press the springs together and fit the button in place. Snap the 
button in place by hand.
5: Assemble the tiller arm handle. See section "15.5.4 Disassembly/
assembly of tiller arm handle".
A
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