Section 5 - Maintenance
Page 106 90-864197084 NOVEMBER 2008
Description Location Figure
Gearcase anode plate Underside of the lower gearcase
20336
Ventilation plate anode Front of the gearcase
20338
MerCathode System
The MerCathode electrode is mounted
to the underside of the gimbal housing.
The MerCathode controler is mounted
on the engine or on the boat transom.
The controler harness connects to the
electrode harness.
20340
Anode kit (if equipped) The boat transom
20341
Trim cylinder anodes Mounted on each of the trim cylinders
20342
Propshaft anode (Bravo Three) Bbehind the aft propeller
20344
Checking the Quicksilver MerCathode System
The MerCathode system should be tested to ensure adequate output. Perform the test where boat is moored, using the reference
electrode and test meter. Contact your authorized Mercury MerCruiser dealer for service and information .
Reference Electrode
91‑76675T 1
Senses and electrical current in the water when testing the MerCathode system.
Use to check hull potential.
Power Package Exterior Surfaces
1. Spray the entire power package at recommended intervals with Corrosion Guard. Follow the instructions on the can for proper
application.
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