Service manual

3-26
E
INSP
ADJ
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.
Max. impeller-to-housing
clearance:
0.6 mm (0.0236 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.