39BT 130
Machine runs trouble-free,
no further action necessary
no
Install new
ignition module
yes
no
– Look for fault in fuel system or
carburetor.
– Check engine for leaks.
– Check position of flywheel on
crankshaft
yes
Check operation of slide control:
– Short circuit wire chafed?
– Function of microswitch contact spring and slide control:
– Slide control on "F" = microswitch contact spring not operated
– Slide control on "STOP-0" = microswitch contact spring is operated
– Install new throttle cable if necessary, b 8.2, b 8.3
2
3
Ignition spark?
Machine runs
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