KIRLOSKAR 65-DSM 315M, Инструкция по установке, эксплуатации и обслуживанию

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IOM/DSMT/001/01 Issue Date: 13/10/2000
Page : Page 8/12 Last Revision Date:
Upper half casing should be removed slowly so that impellers and other parts are
not damaged. By removing upper half casing, the complete rotating unit is exposed
for inspection and repairs.
6.2.4 Loosen the bolts and nuts (573) holding the bearing cap to the lower half casing
(122). Remove the bearing caps.
6.2.5 Lift the rotating unit slowly after slinging it in correct fashion so that none of the
parts are damaged. Keep the rotating unit in clean dry place for further dismantling.
6.2.6 Now start dismantling from driving end side.
6.2.7 Take out flexible coupling, (pump half) with help of a puller. Remove the coupling
key (321).
6.2.8 Loosen the bolts (631) holding bearing cover (270) to the bearing cartridge (241).
6.2.9 Remove the bearing cartridge driving end (241) pull out the bearing driving end
(260) with the help of puller.
6.2.10 Remove bearing cover (270) and water deflector (236).
6.2.11 Take out gland (229). Remove the stuffing box packing.
6.2.12 Remove the stuffing box bush (360. Also take out casing ring (190).
6.2.13 Take out the shaft sleeve DE (310). Remove the ‘O’ ring (522).
6.3 Start dismantling from non-driving end
6.3.1 Remove the bearing cartridge (253) NDE.
6.3.2 Loosen the bearing lock nut (336) bearing nut (335).
6.3.3 Remove bolts (631) for bearing cover (271) and take out the cover.
6.3.4 Remove the casing ring NDE side (190). Water deflector (236), Gland (229) and
lantern ring (227).
6.3.5 Take out shaft sleeve (310) and “O” ring.
6.3.6 Take out impellers (157) and (158). Before removing the impellers put the mark of
first stage and second stage impellers so that while re-assembling the impellers may
not be interchanged.
6.3.7 Remove the impeller key (320). Take out the interstage ring (204).
6.4 Re-assembling
Before reassembling, all parts are to be cleaned including upper half and lower half
casings. Bearings are to be cleaned with Kerosene. Change packing and “O” rings, if
any.
6.4.1 Put the impeller key (320) in the keyways provided on the shaft. Fix the impellers on
the shaft with interstage ring (204) in between them. First stage impeller should
come towards non-driving end.