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A and B series mowers

Maintenance chart

NOTE: Refer to the engine manufacturer’s manual for complete engine service information. MTD engines are

covered by form #769-03354A.

Maintenance item Each use Each 25 hrs. use Each 50 hrs. use

Check engine oil

Check air filter

Check for loose/bent blade

Check & gap spark plug Replace if worn

Check cooling fins After prolonged storage

Check/clean spark arrestor

Change oil

Note on oil: Change oil after first 5 hrs of use and before prolonged storage

Change air filter

Note on air filter Air filter and pre-filter life vary dramatically with operating conditions

Drain or preserve fuel Before prolonged storage

Fog or lube cylinder Before prolonged storage

Rotate engine to TDC Before prolonged storage

MTD "A" Series User Manual

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