Section 5 - Maintenance
90-866938081 MAY 2009
Page 125
Reference Electrode
91‑76675T 1
9188
Senses the electrical current in the water when testing the
MerCathode system. Use to check hull potential.
Contact a Cummins MerCruiser Diesel Authorized Repair Facility for testing or refer to the
appropriate
Cummins MerCruiser Diesel Drive Service Manual
for testing procedures.
Trim Tab Anode
CHECKING
1. Inspect the trim tab anodes.
2. Replace the anode if eroded 50 percent or more.
41251
Trim tab anodes
REPLACING
IMPORTANT: The trim tab cylinder is equipped with a check valve to avoid the lowering
of the trim tab after shut down. When service is required lower the trim tab before shutting
the engine down.
1. Completely lower the trim tab.
2. Remove the five trim tab anode attaching screws on each anode from the bottom of
the trim tab.
b
a
39660
a
Removing the starboard anode
a -
Screw (5)
b -
Anode
3. Inspect and replace any trim tab anode mounting screws damaged by corrosion.
4. Remove and discard the trim tab anode.
5. Clean the trim tab anode mounting surfaces to bare metal.
6. Apply adhesive to the threads of the five trim tab anode screws.
Summary of Contents for Zeus 3000 Series
Page 4: ......
Page 20: ...Section 1 Limited Warranty Notes Page 12 90 866938081 MAY 2009...
Page 30: ...Section 2 Getting to Know Your Power Package Notes Page 22 90 866938081 MAY 2009...
Page 82: ...Section 3 On the Water Notes Page 74 90 866938081 MAY 2009...
Page 86: ...Section 4 Specifications Notes Page 78 90 866938081 MAY 2009...
Page 94: ...Section 5 Maintenance Page 86 90 866938081 MAY 2009 Date Maintenance Performed Engine Hours...
