I. servicing foam filters, Rinse thoroughly until water is clear, Replace foam pre-filter onto paper filter – Tecumseh H30-40 User Manual
Page 17: Ii. servicing paper filters, Loosen cover screws. see figure 35, Turn cover counterclockwise and remove from base, Remove paper/metal filter from base, Clean inside of base and cover thoroughly, Install new paper/metal element into base, Install optional foam filter onto paper filter
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