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  1. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #1

    Re: Replacing Water Separating Filter on Optimax (bigbasser54)

    Quote Originally Posted by bigbasser54
    Don,

    I was looking to replace my water separating filter on my 03 225 Opti. Would you mind walking me through this procedure? Also if you give me a price quote on the parts I would need it would be much appreciated.

    Thanks,
    Nick
    -Remove cowling

    -With a flatblade screwdriver, CAREFULLY separate the TPS link arm from the TPS (you're disconnecting the ball and socket joint at the TPS). Set the arm out of the way.

    -Utilizing a 896661 Filter Removal Tool (or as an alternative, a screwdriver through the plastic tabs... be careful they can break), unscrew the filter COUNTER CLOCKWISE while looking from the TOP of the VST and remove the filter.

    RedCapFilterTool.jpg

    -With a bright flashlight, look down inside the chamber. You'll need to drain any water present, and clean out any debris which might be sitting at the bottom. If you need to drain the chamber, use the "u-shaped" hose that's provided at the bottom. To drain, look at the FRONT/BOTTOM of the VST for an ALLEN SCREW or FLAT-SCREWDRIVER DRAIN SCREW (loosen screw several turns to allow draining). Retighten drain screw when finished.

    -Lightly lubricate BOTH o-rings on a NEW 8M0060041 filter with 2-4-C (or petroleum jelly/vaseline if 2-4-C is not available). Clean off any excess that is outside the o-ring area.

    RedCapFilter.jpg

    -Install filter... turn it CLOCKWISE until firmly seated.

    -Using TWO FINGERS (or as an alternative, a pair of pliers), squeeze the ball and socket joint for the TPS link arm back together. Be careful not to "pry against" the TPS itself... this can damage the TPS unit (hence the recommendation of two fingers or a pair of pliers to squeeze it together).

    -Pump the primer bulb until it's FIRM.

    -Verify no fuel leaks present at VST or filter.

    -Project Complete.

    This post has been added to the "Commonly Used Sticky" at the top of the forum for "future reference".

    PS: You've got an IM.
    Last edited by EuropeanAM; 05-31-2014 at 11:45 AM. Reason: Photos, Courtesy of "Ed R" :)


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
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