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Section 5 - Maintenance
7.
Inspect the continuity washers under the hydraulic manifold block fasteners, where the manifold block is mounted to gimbal
housing, for a loose or faulty connection .
8.
Inspect the sterndrive U‑joint bellows ground clips and exhaust tube ground clip for a loose or faulty connection.
a
MerCathode
If the boat is equipped with a MerCathode system, the system should be tested to ensure that it is providing adequate output to
protect the underwater metal parts on the boat. The test should be made where the boat is moored, using a Reference
Electrode and Test Meter.
Reference Electrode
Refer to the appropriate Mercury MerCruiser sterndrive service manual for testing procedures.
Painting Your Power Package
IMPORTANT: Corrosion damage that results from the improper application of anti‑fouling paint will not be covered by the
limited warranty.
1.
Painting the boat hull or transom: you may apply anti‑fouling paint to the boat hull and transom. However, observe the
following:
IMPORTANT: Do not paint anodes or MerCathode System reference electrode and anode. Paint will render them
ineffective as inhibitors of galvanic corrosion.
IMPORTANT: If anti‑fouling protection is required for the boat hull or transom, you can use copper‑based or tin‑based
paints where not prohibited by law. If using copper‑based or tin‑based anti‑fouling paints, observe the following:
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19627
Senses and electrical current in the water when testing the MerCathode system.
Use to check hull potential.
9188
Continuity washers
Exhaust tube ground clip shown, U-joint bellows ground clips similar
a -
Exhaust tube ground clip
91‑76675T 1
90-8M0069751
APRIL 2012
eng
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