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FD450/ Translation of the original instructions

– Sediment or dirt in the fuel – Empty the tank and use fresh petrol

– Check the fuel filter and replace if

necessary

The starter motor turns but the engine will not start

– No petrol flow – Check that the choke is on

– Check level in fuel tank

– Check the fuel filter and replace if

necessary

– Check that the fuel vent hole is not

blocked

– Ignition system fault – Check that the spark plug cap is on

properly

– Check that the electrodes are clean and

the

gap is correct

Engine revs fall during mowing

– Travel speed too high for – Decrease speed

mowing height – Raise the deck a few settings

When the blades are engaged, the engine cuts out

– Engagement not enabled – Check the blade engagement micro-

switch

– Operator must be seated in the driving

seat;

Uneven cutting and poor collection

– Cutter deck not parallel with the ground – Check tyre pressures

– Adjust the deck until parallel

– Blades not cutting properly – Check that blades are fitted correctly

– Sharpen or replace blades

– Adjust the tension of the PTO belt

– Travel speed too high for – If possible cut grass with lawn dry

mowing height and lawn condition – Reduce travel speed

Vibration while working

– Blades not balanced – Balance the blades or replace if damaged

– Loose screws and frame fixings – Check and tighten the blade, engine and

fixing screws

Grillo FD450 User Manual

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