5 Maintenance
Study the instructions carefully. The items refer to the parts list and service kits section. Lubricate the rubber seals before
fitting them.
5.4
Assambly of pump - MR-166S
Step 1
1. Fit stub shaft (3) on the motor shaft.
2. Check the clearance between the end of the stub shaft and
the motor flange (10-20 mm)
10-20mm
3100-0046
Step 2
1. Tighten screws (4) lightly and evenly.
2. Ensure that the stub shaft (3) can be moved on the motor shaft.
3100-0047
Step 3
1. Fit pump casing (9) on bracket (2).
2. Fit washers (41) and screws (40).
3. Tighten the screws.
3100-0048
Step 4
1. Fit bracket (2) on the motor.
2. Fit washers (46) and screws (45).
3. Tighten the screws.
3100-0049
Step 5
1. Fit impeller (11) on stub shaft (3).
2. Fit impeller nut anti-clockwise (13) on the shaft and tighten
lightly.
3100-0050
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