Flowserve IJ, Installation Operation & Maintenance

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IJ PUMP OPERATION AND MAINTENANCE MANUAL
BO2660-01 6-36
1. Install new seal housing gasket (111) on housing (105 or 106).
2. Verify that case mating surface for gasket (111) is clean, smooth, and even.
3. Attach lifting equipment to housing (105 or 106) and position housing in head (85) or inboard
end of case (37), whichever is applicable.
4. Secure housing (105 or 106) with capscrews and detach lifting equipment.
5. Connect piping, if applicable, to housing (105 or 106).
6. When pump has seal housings at both ends, repeat steps at opposite end of pump.
6.6.4.2 Installing Seal Unit
NOTE
To assure that seal parts and shaft are properly aligned after
bearings are installed, keep the shaft sleeve and the stuffing
box locked together and shaft sleeve loose from shaft until
both journal and thrust bearings are installed.
With the seal housing in place and the shaft sleeve and stuffing box or seal plate locked together,
lightly lubricate inside of sleeve with a lubricant that is compatible with your pumpage and install the
seal unit in accordance with the seal manufacturer's installation and assembly drawing in the
APPENDIX.
6.6.5 BEARING ASSEMBLY
1. Slide deflector rings (7) or Inproseal rotors and stators (385) over the shaft. (If stationary oil
baffles (48) or oil seal rings (579) are solid rings, install them at this time with their O-rings
(1259).)
2. If the sensor disk (282) is located inboard of the thrust bearing, install sensor disk and key
(1292).
3. Install brackets, bearing housings, bolting, and dowels. Ensure that stationary oil baffles and
oil seal rings are correctly aligned with the bearing housing.
4. Oil all part surfaces before installing.
5. Raise shaft slightly and roll lower journal bearing halves (51 and 63) into bearing housings
(13 and 62). Place upper journal bearing halves on top of lower halves.
NOTE
If your pump is equipped with a hydraulic thrust collar, then
refer to the COUPLING AND THRUST COLLAR
INSTALLATION drawing at the back of this manual for
installation procedure. Do not use heat to install a hydraulic
thrust collar.
6. Install inner retaining plate (if applicable), thrust collar spacer (76), and thrust collar key
(309) (if installed). Heat thrust collar to the installation heat specified in OPERATING
SPECIFICATIONS and slide onto shaft.
7. Install thrust collar nut (171) on shaft, tighten nut but do not bend down ear of lockwasher.