Xylem IM158 R04 Model SMVT - Manual (Page 32)

30 SMVT Installation, Operation and Maintenance Manual
Maintenance (continued)
Item Quantity Description
A 2 Coupling Half
B 6 Socket Head Cap Screw
C 6 Lock-washer
D 1 Dowel Pin
6. Remove the (4) hex head bolts the join the motor and motor adapter. Retain bolts for
reassembly.
7. With an adequately sized crane carefully remove the motor assembly.
8. Remove the (4) hex head bolts on the seal gland. Retain bolts for reassembly.
9. Carefully lift the entire seal assembly from the seal housing by sliding it up the pump
shaft. Retain the seal assembly for pump reassembly.
10. Remove the (12) upper casing bolts. See Figure 26. Retain bolts for reassembly.
Figure 26: Upper Casing Bolts
11. With an adequately sized crane carefully lift the internal stack from the pump casing.
Lift from the motor adapter as shown on page 7 of this manual. The motor adapter, seal
plate, pump shaft, and cartridge stack will lift as a complete unit.
12. Carefully set the cartridge stack removed from the pump so that the stack is supported
and the seal plate is accessible.
13. Remove the (6) bowl bolts that connect the upper bowl of the cartridge stack to the seal
plate. The seal plate and motor adapter can be removed as a single unit. Retain bolts for
reassembly.
14. Assemble the seal plate/motor adapter to the replacement cartridge stack using the (6)
bowl bolts removed in step 13. Torque the bolts in the pattern shown in Figure 27. See
the “Engineering Data” section on page 8 of this manual for the proper torque value.
Figure 27: Bowl Bolts Torque Pattern
UPPER CASING
BOLTS
(TYP 12 PLCS)