14
TROUBLE-SHOOTING:
PROBLEM
CAUSE REMEDY
Dashboard OFF with key in “Avv.” pos.
– Battery not supplying power – Check connecting cables
– Check electrolyte level
– Recharge battery
– Change the fuse
Dashboard ON, but starter motor does not turn over with key in “AVV” pos.
– Battery not supplying enough power – Recharge battery
– Start-up go-ahead not given – Travel lever in stop position
– Disengage blades
– Sit in the driver’s seat
Difficult starting or irregular running of engine
– Carburation problems – Clean or change the air filter
– Adjust the carburettor (follow engine manual
instructions)
– Deposits or dirt in fuel – Empty the tank and use fresh petrol
– Check and change the petrol filter if necessary
Starter motor turns over but engine does not start
– No petrol flow – 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
– Fault in ignition system – Check that the caps of the sparkplugs are correctly
fastened
– Check that the electrodes are clean and at the
correct distance apart.
Drop in engine performance during cutting
– Speed too high for cutting height – Reduce speed
– Raise cutting plate by a few notches
When the blades are engaged the engine cuts out
– Go-ahead not given for blade engaging – Check the blade-engaging microswitch
– Sit in the driver’s seat
Uneven cutting
– Cutting plate not parallel to ground – Check tyre pressure
– Level off the plate
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