KIRLOSKAR i-HT, Инструкция по установке, эксплуатации и обслуживанию

Страница: 27 / 50

IOM/i_HT Issue Date: 26/06/2009
Page 27 of 50
Last Revision:26/10/2009
15. Slide the heated bearing onto the shaft to about shoulder ring [19900]
[coupling end].
16. Cool the bearing to room temperature and coat both sides with
recommended grease.
17. Coat the inside of the bearing housing [24001] with grease and slide into
place over bearing. Secure bearing housing [24001] to the support frame
[22000] with four hex.head screws [57100].
18. Set the rotating element in the pump casing bottom half [12300]. Locate
both insert tongues in their respective casing grooves. Locate pin 61002 and
61003 in their respective horizontal slots on the face of bottom casing.
Correct any excessive “O” ring buckling. Check that the impeller is
centralized in the casing
±
2.5 mm and that there I no rubbing.
19. Install casing gasket [51900] with a light coat of commercial cup grease on
both gasket surfaces. Carefully align the inner edge of the gasket with the
insert “O” rings.
20. Lower the upper half casing [12200] into place and install casing joint nuts.
NOTE: When installing upper half casing make sure that the “O” rings are
not cut or pinched and that the gasket is hard against the “O” rings.
21. Insert casing joint dowels [61100] and drive them home. Tighten the joint
nuts [500.1] per instructions on page 33.
22. Install stuffing box flushing piping [56000].
23. Rotate the shaft by hand to assure smooth turning and that it is free from
rubbing or binding.
7.3 REVERSING ROTATION OF PUMPS:
Reversing rotation of pumps puts suction and discharge opening on opposite sides
with respect to the coupling end.
Changes in assembly procedure –
1.
Screw impeller locking nut [33000] onto shaft [18000] at non-drive end per
dimension “Z” given on page34.
2. Place impeller key [32000] into key way and tap milled-down end right
home under non-drive end impeller locking nut [mechanical seal] or shaft
sleeves [soft packed].