MAINTENANCE OF MAJOR COMPONENTS
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4.1.2. Water pump
z
Loosen the bolt (14) to disassemble the housing cover (13).
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Heat the impeller (5) slightly, then remove it using a puller jig.
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Remove the mechanical seal.
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Remove the shaft and bearing assembly from the housing.
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With a press, remove the spline shaft and bearing.
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Reverse the disassembly sequence for reassembly operation.
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Replace the oil seal (6) with a new one at reassembly.
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To reassemble the impeller, maintain a constant gap (0.3 ~ 0.6 mm) between the impeller and pump
housing using a feeler gauge.4.2.1. Operation of a new engine (Break-in)
< Construction of water pump >
3
5
4
6
7
12
14
8
9
10
15
11
1
55
2
13
Thickness 0.3-0.6mm
PAR LATEX
COATING
EQM8001I
1. Water pump housing 6. Oil seal 11. Spline shaft
2. Pipe 7. Ball bearing 12. Gasket
3. Shaft 8. Space 13. Housing cover
4. Mechanical seal 9. Ball bearing 14. Bolt
5. Impeller 10. Stopper ring 15. Pipe
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