Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 314Get this manual

Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 314

POWER TRIM
Anode Plate
Anode plate is self-sacrificing alloy plate that is consumed gradually by corrosion while providing protection to the midsection and power trim from galvanic corrosionReplace anode plate when it is 50 consumedaAnode Plate

IMPORTANT: Do not paint or place protective coating on anode plate, or corrosion protection function will be lost
Trim Indicator Gauge
A Quicksilver Trim Indicator Gauge accessory kit is available for the power trim sender (if not previously installed)