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JET PUMP UNIT
JET PUMP UNIT
Impeller inspection
1. Check:
• Impeller 1
Damage/wear → Replace.
Nicks/scratches → File or grind.
2. Measure:
• Impeller-to-housing clearance a
Out of specification → Replace.
Maximum impeller-to-housing
clearance:
0.35–0.45 mm (0.0138–0.0177 in)
Measurement steps:
• Remove the battery leads.
• Remove the intake grate and intake duct.
Refer to "INTAKE GRATE, RIDE PLATE,
AND INTAKE DUCT" in Chapter 6.
• Measure the clearance at each impeller
blade as shown (a total of three measure-
ments).
• Install the intake duct and intake grate.
Refer to "INTAKE GRATE, RIDE PLATE,
AND INTAKE DUCT" in Chapter 6.
• Install the battery leads.
Water inlet strainer inspection
1. Inspect:
• Water inlet strainer
Contaminants → Clean.
Cracks/damage → Replace.
Inspection steps:
• Remove the ride plate.
Refer to "INTAKE GRATE, RIDE PLATE,
AND INTAKE DUCT" in Chapter 6.
• Remove the rubber plate.
Refer to "JET PUMP UNIT" in Chapter 6.
• Remove the water inlet cover 1.
• Inspect the water inlet strainer mesh a.
• Install the water inlet cover.
• Install the rubber plate.
Refer to "JET PUMP UNIT" in Chapter 6.
• Install the ride plate.
Refer to "INTAKE GRATE, RIDE PLATE,
AND INTAKE DUCT" in Chapter 6.
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