6-34
E
LOWR
CHECKING THE IMPELLER HOUSING
Check:
• Impeller housing
Cracks/damage
→
Replace.
CHECKING THE IMPELLER AND
IMPELLER HOUSING CUP
Check:
• Impeller
• Impeller housing cup
Cracks/damage
→
Replace any defec-
tive parts.
CHECKING THE WOODRUFF KEY
Check:
• Woodruff key
Damage/wear
→
Replace.
INSTALLING THE IMPELLER AND
IMPELLER HOUSING
1. Install:
• Impeller
1
• Washers
2
• Wave washer
3
• Spacer
4
• Collar
5
NOTE:
• Make sure that the slit
a
in the impeller is
aligned with the woodruff key.
• The collar and spacer should fit together
firmly.
• Install the collar with some appropriate
tool inside diameter ø23 - 23.5 mm
b
that
fits over the drive shaft as shown.
6021
6025
WATER PUMP (COUNTER ROTATION MODELS)