3-30
Maintenance
4st 9.9/15/20 2008
23) Replacement of Anode
Anode protects outboard motor from galvanic corrosion
(corrosion of metal due to very weak electric current).
Anodes are used in the gear case, clamp bracket, and
power unit cylinder.
Replace anode if volume is reduced to 2/3 of new part.
· Do not coat anode with oil or paint.
· Since periphery of anode installation bolt is
corroded more than other areas, be sure to
retighten bolt at every inspection.
2. Replace anode 1 and/or trim tab 2 if they are corroded
excessively.
22) Inspection of Anode
1. Check anode 1 and trim tab 2 for build up of scale and
adherence of grease and oil. Clean, or replace if necessary.
Do not coat anode and trim tab with oil,
grease or paint, or their anti-corrosion
function does not work normally.
1
2
When it is necessary to disassemble outboard
motor for inspection of anode, refer to
disassembly procedure described in this
manual. Reduction of anode volume can lead to
outboard motor body damage.
E_MFS20C_ch03_090105.qxd 09.1.20 5:23 PM ページ 30
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