Grillo MD15 Manual De Instrucciones página 16

CAUSE
– Battery not supplying power
Dashboard ON, but starter motor does not turn over with key in "AVV" (ON) pos.
– Battery not supplying enough power
– Start-up go-ahead not given
– Carburation problems
– Deposits or dirt in fuel
– No petrol flow
– Fault in ignition system
– Speed too high for cutting height
– Cutting deck not parallel to ground
– Blades fault
– Blades unbalanced
– Fastenings are loose
MD15-MD18/ Translation of the original instructions
TROUBLE-SHOOTING
PROBLEM
Dashboard OFF with key in "AVV." (ON) pos.
Difficult starting or irregular running of engine
Starter motor turns over but engine does not start
Drop in engine performance during cutting
Uneven cutting
Vibrations during operation
12
REMEDY
– Check connecting cables
– Recharge battery
– Change the fuse
– Recharge battery
– Travel lever in stop position
– Disengage blades
– Sit in the driver's seat
– Check the three safety sensors (seat – blades
engagement - feed lever)
– Clean or change the air filter
– Adjust the carburettor (follow engine manual instructions)
– Empty the tank and use fresh petrol
– Check and change the petrol filter if necessary
– Check that the choke has been activated (if engine is cold)
– Check petrol level in tank
– Check wiring of carburettor opening control
– Check petrol filter (and change if necessary)
- Check that the vent on the tank cap is not blocked
– Check that the caps of the spark plugs are correctly
fastened
– Check that the electrodes are clean and at the correct
distance apart.
– Reduce speed
– Raise cutting deck by a few notches
– Check tyre pressure
– Level off the cutter deck
– Check that the blades are correctly mounted
– Sharpen or change the blades
– Check the tension of the cutter deck motor belt
– Balance blades or replace if damaged
– Check and fasten the blade fixing screws as well as the
fixing screws of the engine and chassis.