ITT Flygt 5150.350, Инструкция по установке, эксплуатации и обслуживанию

Страница: 36 / 48

b) Fit the sleeve and the impeller to the shaft
If the impeller screw is not clean , and cannot easily be screwed back in the shaft, replace the screw.
c) Fit the washer and impeller screw onto the shaft.
d) Hand-tighten the impeller screw to prevent it from falling off.
e) Remove the sling and fit new O-rings to the wearing cover.
3. Mount the pump housing:
a) Grease the pump housing screws.
b) Place the drive unit in the pump housing.
c) Tighten the screws in a diagonal sequence.
Tightening torque, see Torque values (page 27).
4. Lock the impeller:
a) Place the pump in a horizontal position.
b) Thread a chain through the impeller and pump housing outlet.
c) Lock the chain so the impeller cannot rotate.
5. Adjust the impeller:
a) Remove the impeller screw.
b) Using a hexagon-bit adapter, turn the adjustment screw clockwise until the impeller makes contact
with the pump housing.
c) Tighten it a further 1/8 turn (45°).
Maintenance (Continued)
34 Flygt 5150.350, 5150.360 Installation, Operation, and Maintenance Manual