| 摘要 |
An apparatus for depositing a viscous valve opener material within an engine oil filter is disclosed herein. The engine oil filter includes an anti-drain back valve that is normally closed on a seat, the seat having inlet passages therethrough for oil passage into the filter. The apparatus includes a base and a plurality of injectors extending from the base arranged so as to be insertable into the inlet passages of the oil filter. The injectors are sized to lift the valve off the seat thereby forming a space between the valve and seat. The injectors include openings facing the space between the valve and seat for depositing the temporary viscous valve opener material into the space.
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