Inspecting The Impeller Housing; Inspecting The Impeller And Impeller Housing Cup; Installing The Impeller And Impeller Housing - Yamaha SX150C Service Manual

LOWR
WATER PUMP (REGULAR ROTATION MODELS)
6025
6030
INSPECTING THE IMPELLER
HOUSING
Inspect:
• Impeller housing
Cracks/damage → Replace.
INSPECTING THE IMPELLER AND
IMPELLER HOUSING CUP
Inspect:
• Impeller
• Impeller housing cup
Cracks/damage → Replace any defec-
tive parts.
INSPECTING THE WOODRUFF KEY
Inspect:
• Woodruff key
Damage/wear → Replace.
INSTALLING THE IMPELLER AND
IMPELLER HOUSING
1. Install:
• Washers 1
• Wave washer 2
• Spacer 3
• Collar 4
NOTE:
• The collar and spacer should fit together
firmly.
• 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.
6-6
E