Xylem FLYGT 2640.181, Service And Repair Instructions, Page: 46 / 72

1 2
3
WS008557A
1. Inner fasteners
2. Outer fasteners
3. Outermost holes
a) Mount the intermediate piece on the shaft.
b) Insert the outer fasteners and finger-tighten.
Install diametrically opposite bolts alternately. Do not apply torque.
c) Insert the inner fasteners.
Tighten to the correct torque.
d) Insert four long bolts in the outermost holes.
Use the bolts that normally hold the diffuser in place.
e) Tighten the outer fasteners to the correct torque.
Use a piece of wood to help.
WS008548A
Figure 14: Using wood in increase torque power. Generic intermediate piece shown.
f) Remove the long bolts.
4.6.7 Install the mechanical seal: Drainage versions
1 2 3 4 5 6 7
WS008504A
1. Seal
2. Pressure equalizers
3. O-ring
4 Maintenance
44 2640.181/.281 Service and Repair Instructions