Great Dane GDRZ25KHE Lawn Mower User Manual


 
Troubleshooting - 28
TROUBLESHOOTING
Troubleshooting
Using Troubleshooting Chart
If you are experiencing a problem that is not listed in this
chart, see your Great Dane dealer for service.
When you have checked all the possible causes listed and
you are still experiencing the problem, see your Great
Dane dealer.
Engine
NOTE: This engine troubleshooting chart covers items
that are unique to the machine operation. See the
engine manufacturer’s owner’s manual provided with
your machine for detailed engine troubleshooting
procedures.
If Check
Poor Engine Performance Dirt in fuel system or fuel is old; obtain fresh fuel from another
supplier before suspecting machine problems. Suppliers blend fuels
differently and changing suppliers will generally solve any
performance problems.
Fuel blended with alcohol or ether may contribute to performance
problems by causing gum and varnish deposits, especially if fuel is
stored for several weeks or more. Obtain fresh fuel.
Engine Will Not Start Park brake not locked.
Control levers are not in neutral position.
PTO/clutch switch is in on position.
Fuel shutoff valve in off position.
Spark plug wire(s) loose or disconnected.
Improper fuel.
Plugged fuel filter.
Electrical problem. (See Electrical Troubleshooting section)
Engine Will Not Idle Operator rising off the seat.
Engine Stops Or Misses When Operating On
Hillsides
Fuel tank less than half full of fuel.
Operator rising off of the seat.
Engine Backfires Operator rising off of the seat.