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9.3 BLADE MOUNTING TORQUE
Center Bolt 40Nm.min, 54Nm.max. To insure safe operation of your unit. All nuts and bolts must be checked
periodically for correct tightness. After prolonged use, especially in sandy soil conditions, the blade will
become worn and lose some of the original shape. Cutting efficiently will be reduced and the blade should be
replaced. Replace with an approved factory replacement blade only. Possible damage resulting from blade
unbalance condition is not the responsibility of the manufacturer.
When you change the blade, you must use the original type marked on the blade. Contact your local Cobra
dealer for details.
WARNING:
Do not touch rotating blades.
9.4 ENGINE
Refer to the separate engine manual for engine maintenance instructions.
Maintain engine oil as instructed in the separate engine manual packed with your unit.
Read and follow instructions carefully.
Service air cleaner as per separate engine manual under normal conditions. Clean every few hours under
extremely dusty conditions. Poor engine performance and flooding usually indicates that the air cleaner should
be serviced.
To service the air cleaner, refer to the separate engine manual packed with your unit.
The spark plug should be cleaned and the gap reset once a season. Spark plug replacement is recommended
at the start of each mowing season; check the engine manual for correct plug type and gap specifications.
Clean the engine regularly with a cloth or brush. Keep the cooling system (blower housing area) clean to
BLADE ADAPTOR
BLADE
WASHER
BOLT
