KIRLOSKAR 8 UP 200/38, Instruction On Installation, Operation And Maintenance

Page: 36 / 66

IOM/UP_METRIC Issue Date: 31/12/2007
Page 36 of 66
Last Revision: 12/06/2012
7.0 OVERHAULING
With normal daily operating spell, the pump will be due for overhaul after about
5000 working hours. This work should be done by skilled personnel. Please refer to
the cross sectional drawing while dismantling and reassembling the pump. Please
also refer to chart given at end of this booklet.
7.1 Dismantling Procedure
Note – Store all loose components carefully in a wooden box. Remove sealing
connection given to lantern ring / mechanical seal, temperature indicator, etc.
7.1.1 For SOFT PACKED UP METRIC PUMPS:
7.1.1.1 Disengage pump coupling from motor coupling.
Drain the pump by removing drain plug (60100) and opening air vent valve (45000).
7.1.1.2 Remove the nuts (58001) and locating pin (61100) joining the upper half casing
and lower half casing.
7.1.1.3 Remove all insert joint nuts at both ends (58002).
7.1.1.4 Insert a screw driver or peg bar into the slot between the two halves and separate
two halves, lifting off the upper half casing (12200). Remove the upper half casing,
taking enough care not to damage the impeller and casing (wear) ring.
7.1.1.5 Tap the inserts (97900) with a soft hammer to break the seat between the insert
and lower half casing (12300) and lift the rotating unit out of the lower half casing
so that none of the parts will be damaged. Take out the rotating unit & keep it on
rubber or wooden sheet in clean & dry place for further dismantling purpose.
7.1.1.6 Remove the pump coupling and coupling key.
7.1.1.7 Remove four hex screws (57100) from each bearing housing (24001 and 24002)
and remove the bearing housing from bearings & take it off the shaft.
7.1.1.8 Remove bearing lock nut (33600) and lock washer (41500) from NDE side.
Remove NDE bearing (26000) from the shaft by the use of bearing puller. Remove
driving end bearing in the same manner.