Page 22 Technical Information  40.2010
TI_40_2010_13_01_02.fm
9.1.5 Engine stops suddenly 
Machine 
OK?
Troubleshooting completed
Check fuel path
(fuel pick-up body, tank vent, fuel 
hoses)
Service fuel
system
Check screw connection of switch 
gear
yes
Fuel path 
OK?
Connection 
OK?
Tighten screws/bolts and push on 
boot all the way, 
replace switch gear if necessary
yes
no
no
Engine stops suddenly
no
yes
Mechanically check start detection 
(
b 9.6.1)
Clean switch gear 
replace if necessary
Electrically check start detection 
(
b 9.6.2)
Mechanically
OK?
Replace switch gear if necessary
yes
no
Check solenoid valve (
b 9.5)
Are target values 
attained?
Replace switch gear and/or 
carburetor
yes
yes
 Check engine for leaks
no
no
Are target values attained?