3 Installation
Read the instructions carefully and pay special attention to the warnings!
Check the direction of rotation of the impeller before operation.
- See the indication label on the pump.
3.3
Pre-check
Step 1
!
Always remove air screw and impeller before checking the
direction of rotation.
!
Never start the pump if the impeller is fitted and the pump casing
is removed.
1. Remove adapter shields (22)
2. Loosen unions and remove recirculation pipe (56)
3. Remove clamp (57) and front cover (60)
4. Remove air screw (58) with a spanner. Counter hold with a
screwdriver. (See also instruction in section 5.3)
5. Unscrew cap nuts (24). Remove washers (24a) and pump
casing (29)
6. Remove impeller (27). (See also instruction in section 5.3)
Step 2
1. Start and stop the motor momentarily.
2. Ensure that the direction of rotation of the stub shaft (7) is
anticlockwise as viewed from the inlet side.
Stub shaft
Step 3
Fit and tighten the impeller (27).
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