Regal 2000 ES Owner's Manual page 273

Chapter 7
7. If marina moored, contact appropriate personnel if signs of gal-
vanic corrosion appear on your drive system. Ask them to check
for stray electrical current which may be originating from a nearby
vessel's faulty DC wiring or from a marina dock carrying leaking
marina ground wiring.
GALVANIC/STRAY CURRENT CORROSION
Cause/Observed Condition
Sacri cial anodes consumed
Sacri cial anodes not ground-
ed to drive
Loss of continuity between
underwater parts & ground
Nearby vessel with stray cur-
rent
Paint on drive heavily worn,
exposing more metal
Sacri cial anodes painted
Drive tilted/anodes out of
water
Power trim cylinders only cor-
roded
Corrosion in exhaust outlets
Corrosion occuring a er vessel
is removed from saltwater
Stainless steel parts corroding
Underwater drive parts cor-
roded, sacri cial anodes OK
7-28
Corrective Action
Replace anodes when 30%
consumed
Remove anodes, clean contact
surface, reinstall, check for
continuity
Provide good ground connec-
tions
Contact appropriate personnel
Remove your vessel from water
Prime and repaint or install ad-
ditional anodes
Remove paint or replace an-
odes
Leave drive down, install ad-
ditional anodes below water
Provide a good ground to
drive, all parts must be ground-
ed
Remove deposits
Wash exterior and ush inte-
rior with freshwater
Clean parts, remove foreign
material, ensure continuity
Oxide lm on anode (fresh
water only) Replace anode
Poor Grd. Replace anode