Inspection Of Water Pump - TOHATSU TLDI MD 115A SERIES Service Manual

5) Inspection of Water Pump

1. Check pump case liner and guide plate for deformation
and wear.
Replace if necessary.
2. Check pump impeller for crack, damage and wear.
Replace if necessary.
· The impeller may show gloss or have melted
area if it is rotated with insufficient water.
· Even if impeller shows no abnormality on its
surface, the blade(s) may be separated from
the hub.
· Replace guide plate if a groove(s) of 0.5 mm
or over is produced on it due to wear by
impeller.
Check impeller key 1 and key groove for wear.
3.
Replace if necessary.
4. Check oil seal for wear and crack on the lip area.
Replace if necessary.
TLDI 115A 2007
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