Yamaha F115A - Page 362

6-31
E
LOWR
WATER PUMP (COUNTER ROTATION MODELS)
CHECKING THE IMPELLER HOUSING 6
Check:
• Impeller housing
Cracks/damage → Replace.
CHECKING THE IMPELLER AND
IMPELLER HOUSING CUP
6
Check:
• Impeller
• Impeller housing cup
Cracks/damage → Replace any defec-
tive parts.
CHECKING THE WOODRUFF KEY 6
Check:
• Woodruff key
Damage/wear → Replace.
INSTALLING THE IMPELLER AND
IMPELLER HOUSING
6
1. Install:
• Washers 1
• Wave washer 2
• Spacer 3
• Collar 4
NOTE:
• The collar and spacer should fit together
firmly.
• While pulling the drive shaft up, install the
collar with some appropriate tool a that
fits over the drive shaft as shown.
2. Install:
• O-ring 1
• Impeller housing cup 2
• Impeller housing 3
• O-ring 4
NOTE:
• When installing the impeller housing cup,
align its projection with the hole in the
impeller housing.
• When installing the water pump housing,
turn the drive shaft clockwise.
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