6.
Install (6) thrust bearings springs (9890) in thrust bearing retainer (109) or bearing housing (134)
halves. Use thick grease in each hole to help hold springs until assembly.
7.
Lower shaft (122) into bottom half of bearing housing (134). Be careful not to damage bearings or
machined fits.
8.
If springs (9890) are located in the housing, keep the shaft about 3/8" (.95cm) outboard of normal
position so springs are not compressed.
9.
Lower top half of housing into position, align with taper pins, and secure together with bolts.
10. Install thrust bearing retainer. Do not damage lip seal.
11. Slide thrust bearing retainer (109) and gasket (360R) onto shaft to contact bearing housing (134).
Do not damage lip seal (332). Fasten retainer to bearing housing with cap screws.
6.3.3 Reassemble the drive / guard
1.
Insert the drive key (400) into the shaft (122) keyseat.
2.
Depending on the drive type, install the hub fasteners for a coupling or sheave to the shaft (122).
If you have a coupling halve that is interference fit, you may need to heat it before installing on the
shaft (122). Drive instructions are included with the data package. Follow the manufacturer’s in-
structions for coupling or sheave installation.
400
122
Figure 20: Coupling reassembly
NOTICE:
Depending on the drive arrangement, either V-belt or Direct Connect, follow applicable steps.
V-belt configuration
3.
Using a crane, lift the pump into place on the sub-base.
Be careful not to damage the pump by striking any beams or walls that may be near the pump.
4.
If any shims were found under the bearing housing feet during disassembly replace them at this
time
5.
Install the pump to sub-base bolts (500A) and remove the lifting straps or chains from around the
bearing housing (134) and elbow (100).
6.3 Reassembly
56
Model AF (42"/1200mm/54"/60"/66") LM/LMR Bearings Installation, Operation, and Maintenance Manual