5-4 BA 1404 en – Edition 2.7 * * 1404b510.fm
Maintenance
Bleeding the fuel system
If the fuel, as it drains, comes into contact with hot engine parts or the exhaust
system, there is an increased
Fire hazard!
☞ Never bleed the fuel system if the engine is hot!
Bleed the fuel system in the following cases:
• After removing and fitting the fuel filter, prefilter or the fuel lines back on again
• After running the fuel tank empty
• After running the engine again, after it has been out of operation for a longer period of
time
Bleed the fuel system as follows:
• Raise the control lever base
• Remove the starting key
• Fill the fuel tank
• Turn the starting key to the first position
• Wait about 5 minutes while the feed pump bleeds the fuel system automatically
• Starts the engine
If the engine runs smoothly for a while and then stops, or if it does not run smoothly:
• Stop the engine
• Raise the control lever base
• Remove the starting key
• Bleed the fuel system again as described above
• Check for leaks after starting the engine
• Have this checked by authorized personnel if necessary