ClimateRight CR-2550 Manuale del Proprietario Scaricare il pdf (Pagina 274)

Cosmetic Care & Maintenance

7-29

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 arising from a nearby vessel’s

faulty DC wiring or from a marina pier, piling or dock carrying leaking

marina ground wiring.

GALVANIC/STRAY CURRENT CORROSION

Cause/Observed Condition Corrective Action

Sacriﬁ cial anodes consumed Replace anodes when 30%

consumed

Sacriﬁ cial anodes not grounded

to drive

Remove anodes, clean contact

surface, reinstall, check for

continuity

Loss of continuity between

underwater parts & ground

Provide good ground connec-

tions

Nearby vessel with stray current Contact appropriate personnel

Remove your vessel from water

Paint on drive heavily worn,

exposing more metal

Prime and repaint or install ad-

ditional anodes

Sacriﬁ cial anodes painted Remove paint or replace anodes

Drive tilted/anodes out of

water

Leave drive down, install addi-

tional anodes below water

Power trim cylinders only cor-

roded

Provide a good ground to drive,

all parts must be grounded

Corrosion in area of exhaust

outlets

Remove deposits

Corrosion occuring after vessel

is removed from saltwater

Wash exterior and ﬂ ush interior

with freshwater

Stainless steel parts corroding Clean parts, remove foreign

material, ensure continuity

Underwater drive parts corrod-

ed, sacriﬁ cial anodes OK

Oxide ﬁ lm on anode (fresh wa-

ter only) Replace anode

Poor grd. Remove/scrape anode