Just switched from electric to petrol and the instructions are ambiguous re the air filter set-up. There's a folded paper-type filter already installed but there's also reference to a sponge-type filter soaked in oil? Do I need both do you think? (there wasn't a sponge one installed on delivery but there's one in the service kit) Doesn't really seem like there's room for both that's why I'm confused.
You have options, if your mower is going to be used in a dry or dusty part of the country, you may opt to use the oil soaked filter, you need to clean the air filter several times a year. Normally to do so, place it in a pan of warm, soapy water, and squeeze gently until the sponge is clean. Add some new engine oil to the sponge, then squeeze it out so the filter is barely damp. If you use the disposable paper filter, don't try to clean it just replace it with a new one. The oil filter is probably more effective, and less expensive, wont have to buy paper filters but you will have to maintain it often.
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