EBARA 2 CDX - Manual (Page 16)

Model CDU, CDX, 2CDU, 2CDX Ebara End Suction Centrifugal / Two-stage Centrifugal
instructions and Operation
Ebara Fluid Handling
www.pumpsebara.com 16
(t) 803 327-5005 • (f) 803 327-5097 rev. 12/10
assembly instructions – Models 2CDU, 2CDX
For 2CDX start with step # 3.
1. apply thread locker to the shaft extension. Thread shaft extension on to the motor shaft. Tighten to 10Nm ( 7.5 ftlb).
2. attach motor bracket to the motor cross tightening the bolts. 8 Nm (6 ftlbs)
3. Install stationary seal in the casing cover. Press the seal until it evenly bottoms out in the seat cavity.
4. Carefully press the casing cover onto the motor bracket. be sure to align the casing cover bolt-holes with the
bolt-holes in the motor bracket.
5. Carefully press the rotating seal assembly onto the motor shaft. Ensure that the face of the seal assembly has
solid, square contact with the stationary seat. Position the seal spring and spring washer. (2CDX pumps do not
require a seal spring washer.)
6. Install the casing cover o-ring. Do not nick or cut the o-ring.
7. Install key in the location to accept the delivery side impeller. reference the parts list to ensure the proper part
number impeller is in the proper position.
8. Install sleeve and key for the suction side impeller.
9. Install diffuser spacer. be sure to align the diffuser spacer notch with the casing cover spigot.
10. Install the o-ring on the conveyor cover.
11. assemble the conveyor cover being sure to align the casing cover notch with the diffuser spacer spigot.
12. Install the diffuser.
13. Slide the suction side impeller onto the shaft into its proper position. reference the parts list to ensure the proper
part number impeller is in the proper position.
14. Install the suction cover.
15. Thread the self locking nut onto the shaft and tighten
For 2CDU, go to step 16.A For 2CDX, go to step 16.
16. Place casing onto the assembly, aligning the holes of the casing with the holes of the casing cover and the motor
bracket. Thread the casing bolts and crass tighten to 8 Nm (6ft lbs) Go to step 19.
17. Place casing onto the assembly aligning the holes of the casing with the holes of the casing cover and motor bracket.
Thread the M6x 16 bolts into the upper side holes. Thread the M6 X 30 bolts in the lower side holes. Cross tighten
the casing bolts to 8Nm (6 ftlbs)
18. Fit the base onto the bolts protruding from the lower side holes. Using lock washers and nuts secure the base to
the assembly.
19. Install nut and screw in the jack screw position in the base. Set the pump on a horizontal surface and loosen jack
screw until it comes in contact with the bottom of the motor.
20. rotate pump shaft to ensure proper alignment of assembly. Pump shaft should rotate with out rubbing if assembly
is installation is correct.