YAMAHA Marine F4A Manual De Servicio página 218

LOWR
6
WATER PUMP
5
3
4
2
1
SERVICE POINTS
Water pump housing inspection
1. Inspect:
9 Water pump housing
9 Outer plate cartridge
Crack/Twist/Scratch/Damage
2. Inspect:
9 Plate
Crack/Twist/Scratch/Damage
Impeller and insert cartridge inspection
1. Inspect:
9 Impeller
9 Insert cartridge
Crack/Distortion/Burning/Damage
Water pump installation
NOTE:
9When removing or installing the impeller,
apply a thin coat of water resistant grease
to the entire surface of the drive shaft.
9Apply the grease to the impeller blades,
insert cartridge inner surface.
9Be sure to turn the drive shaft clockwise,
otherwise the impeller blade will be twist-
ed the other way. thus reducing pump
performance.
1. Install:
Dowel pin 1 (drive shaft)
9
Impeller 2
9
Water pump housing 3 with insert
9
cartridge 4
Plate 5
9
Bolt 6
9
6-6
E
® Replace.
® Replace.
® Replace.