5 Maintenance
Study the instructions carefully. The items refer to the parts list and service kits section. Lubricate the rubber seals before
fitting them.
Step 12
1. Place key (12) in the groove of stub shaft (3).
2. Fit impeller (11) on the shaft.
3. Fit and tighten impeller nut (13) anti-clockwise on the shaft.
4. Check that the clearance between the impeller and the pump
casing (9) is 0.2 - 0.3 mm (adjust if necessary).
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Step 13
1. Fit O-ring (8) in pump casing (9).
2. Fit casing cover (10).
3. Fit washers (15a) and cap nuts (14).
4. Tighten the cap nuts firmly.
5. Ensure that impeller (11) rotates smoothly (see section 2.3).
Note! Pay special attention to warnings.
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Step 14
1. Fit shroud (5).
2. Fit distance sleeve (44) and screws (43).
CAUTION! Ensure that the notch in the seal ring is opposite the
driving pin on thrower (21).
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Step 15
Fit covers (2a)
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