Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 189Get this manual
DIRECT FUEL INJECTION
TRACKER VALVE REMOVAL
1Remove screws securing tracker valve and remove tracker assembly2Inspect tracker diaphragm for cuts and tears3Inspect tracker cover O-ring for cuts and abrasionsReplace components as required
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- ScrewsDiaphragmSpringO-ring
TRACKER VALVE INSTALLATION
NOTE: Apply light coat of 2-4-C wTeflon to tracker diaphragm and cover O-ring to aid in their retention on fuel rail while reinstalling tracker valve to fuel railNOTE: Apply anti-seize grease (obtain locally) or 2-4-C wTeflon to tracker valve attaching screw threads1Position diaphragm, spring and O-ring onto fuel rail2Place cover over diaphragmspringO-ring assembly and secure with screwsTorque screws to 70 lbin(8.0 Nm)