SERIES 8500-2400 PX BOOSTER PUMPS
Energy Recovery, Inc.
31
ERI Document Number 80020-01-2
15. To install replacement bearings, heat inner bearing ring to 180°F (82°C) and slide onto
shaft. See Figure 7-50.
Figure 7-50 – Heat Inner Ring to 180°F (82°C)
16. Insert rotor assembly into motor body.
17. Install back bell onto rotor and shaft assembly. It maybe necessary to tap back bell with a
rubber mallet to ease the assembly process.
18. Ensure wave spring is inside counterbore in back motor bell.
19. Reinstall back rubber slinger.
20. Slide bearing lubrication cover onto shaft.
21. Use a piece of all thread to pull back bearing retainer cover towards the bearing lubrication
cover. Install bolts to fasten back bearing retainer cover to bearing lubrication cover as
shown in Figure 7-51.
Figure 7-51 – Use All-thread to Align Retainer Plate
22. Bolt on back motor bell.
23. Install fan.
24. Install fan retaining ring.
25. Install fan cover.
26. Repeat the preceding steps for front motor bell installation.
27. Grease the bearings with a grease gun through the grease fittings. Use a high-quality
bearing grease such as Shell Dolium R or Chevron SR1 2.
28. Reassemble the pump according the procedures provided above.