RedMax HTZ750 Operator's Manual

Also see for HTZ750: Workshop manual

The engine does not startProblem Possible cause Recommended stepNo spark The spark plug is dirty orwet.Make sure that the spark plug is dry and clean.Incorrect electrode gap.Clean the spark plug. Make sure that the electrode gapof the spark plug is correct. Make sure that the sparkplug is installed with a suppressor.Refer toTechnical data on page 14 for correct elec-trode gap.Spark plug The spark plug is loose. Tighten the spark plug.The engine starts but stops againProblem Possible cause Recommended stepFuel tank Incorrect fuel type. Drain it and use correct fuel.Carburetor Incorrect idle speed. Adjust the idle speed. Refer toTo adjust the idle speedon page 10. Speak to your servicing dealer if it is neces-sary.Air filter Clogged air filter. Clean the air filter.BladeProblem Possible causes Recommended stepThe blade moves slowly ordoes not move.The blade is blocked or it isdamaged.Clean the blades from unwanted materials. Refer toToclean and lubricate the blades on page 12. Removeburrs from the blade, refer toTo examine the blades onpage 12. Replace the blade if it is damaged.The blade does not cuteasily.The blade is not sharp or itis damaged.Sharpen the blade, refer toTo examine the blades onpage 12. Replace the blade if it is damaged.The blade becomes hot. There is friction betweenthe blades.Remove burrs from the blade and lubricate the blade.Refer toTo examine the blades on page 12.Transportation, storage and disposalTransportation and storage• Always allow the product to cool down beforestorage.• For storage and transportation of the product andfuel, make sure that there are no leaks or fumes.Sparks or open flames, for example from electricaldevices or boilers, can start a fire.• Always use approved containers for storage andtransportation of fuel.• Empty the fuel before transportation or before long-term storage. Discard the fuel at an applicabledisposal location.• Attach the transport guard during transportation andstorage.• Remove the spark plug cap from the spark plug.• Attach the product during transportation. Make surethat it cannot move.1075 - 003 - 30.01.2021 13