KIRLOSKAR i-HT, Instruction On Installation, Operation And Maintenance

Page: 26 / 50

IOM/i_HT Issue Date: 26/06/2009
Page 26 of 50
Last Revision:26/10/2009
7.2 ASSEMBLY PROCEDURE
For clockwise rotation
1. Wipe shaft [18000] with clean light oil. Screw impeller nut [33000] onto
shaft at drive end as per dimension “A” given on page34.
2. Place impeller key [32000] into key way and tap milled-down end right
home under sleeve.
3. Check the impeller for correct rotation [page 31] and slide onto shaft from
non-drive end.
4. Screw second impeller nut [33000] onto shaft at non-drive end and lock up
tight against impeller hub and first impeller nut.
5. Slide the casing rings [19000] onto the impeller.
6. Fix the mechanical seal to the correct location where the marking is done
before dismantling.
7. Check “O” rings for cuts or flaws, discard if faulty. Lubricate and roll “O”
ring into the groove in each insert [97900].
8. Slide inset [97900] over shaft with guide vane at top position.
9. Fit shoulder ring [19900] onto shaft, then press oil seal [50000] into insert.
10. Heat the ball bearing [26000] to approximately 100 ° C [212°FC] using
bearing hot plate or oil and water solution [10 to 15% soluble]. NOTE: Do
not exceed temperature 120
°
C [250
°
F].
11. Slide the heated bearing onto the shaft up to shoulder ring [19900] [non-
drive end]. Place locking washer [41500] onto shaft and screw bearing
retaining nut [36000] using hook spanner. Lock up tight against bearings.
12. Cool the bearing to room temperature and coat both sides with
recommended grease.
13. Coat the inside of the bearing housing [24002] with grease and slide into
place over bearing. Secure bearing housing [24002] to the support frame
[220] with four hex.head screws [57100].
14. At coupling end: heat the bearing [28000] to approximately 100
°
C [212
°
F]
using bearing hot plate or oil and water solution. NOTE: Do not exceed 120
°
C
[250
°
F].