Checking The Water Pump Housing; Checking The Impeller And Insert Cartridge; Checking The Woodruff Key - Yamaha 25BMH Wartungshandbuch

LOWR
WATER PUMP
CHECKING THE WATER PUMP
HOUSING
Check:
• Water pump housing
Cracks/damage → Replace.
CHECKING THE IMPELLER AND
INSERT CARTRIDGE
Check:
• Impeller
• Insert cartridge
Cracks/damage/wear → Replace.

CHECKING THE WOODRUFF KEY

Check:
• Woodruff key
Damage/wear → Replace.
INSTALLING THE IMPELLER AND
WATER PUMP HOUSING
Install:
• Impeller
• Insert cartridge
• Water pump housing
NOTE:
• When installing the insert cartridge
align its projection with the hole in the
water pump housing
• When installing the water pump hous-
ing, turn the drive shaft clockwise.
• Apply Yamaha grease A (water resis-
tant grease) on the impeller
insert cartridge
3
housing
6-5
1
2
3
3
.
2
, and the water pump
.
E
2
,
1
, the