Inspection Of Anodes; Replacement Of Anodes - TOHATSU MFS25 Service Manual

Maintenance

24) Inspection of Anodes

Check anode 1 and trim tab 2 for build up of scale and
1.
adherence of grease and oil. Clean, or replace if necessary.
å PTT/Gas Assist Model
∫ Mechanical Tilt Model
Do not coat anode and trim tab with oil,
grease or paint, or their anti-corrosion
function does not work normally.
When it is necessary to disassemble outboard
motor for inspection of anode, refer to
disassembly described in this manual.
Replace anode 1 and/or trim tab 2 if they are corroded
2.
excessively.

25) Replacement of Anodes

Anode protect 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.
3-28
CAUTION
1
å
∫
2
1
1
25/30 2006