6-12
Lower Unit
TLDI 75/90C2 2010
3. Remove guide plate 6 and pump case (lower) 7.
2. Remove water pump impeller key 5.
8) 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.
When removing pump case (lower), insert bladed
screw driver into the groove of the case, and pry
slowly to separate the part.
・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.
MD90C2ECH06110105.qxd11.1.510:52AMページ12
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