IOM/KPDS/NOV 19/00
Page 19
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Issue Date : 22/11/2019
Revision: 00
12.2.3 Check the liquid level controller for its functioning.
12.2.4 Calibration of measuring instruments.
12.2.5 Check the level of motor stool as described in assembly procedure after
taking out motor at regular intervals of 6 months.
12.2.6 Clean the tank, if there are chances of deposition of the contents of the
liquid handled.
12.3 Overhauling:
12.3.1 With continuous daily operations spell, the pump will be due for overhaul
after 10,000 working hours. This work should be carried out by specialized
and experienced fitters.
12.3.2 While ordering spare parts, the details of the name plate must be quoted in
full. Particularly the name of the pump, order number, name of the part and
quantity required.
12.3.3 Keep sufficient stock of the spare parts in order to meet the emergency
requirement. The recommended parts are shown with Asterisk (*) mark in
the cross section drawing.
12.4
Use following procedure while dismantling the pump:
12.4.1 Disconnect the delivery pipe connections above support plate (46700).
Unscrew the fasteners holding support plate on the flange of tank.
12.4.2 Disconnect the motor power connections. Unscrew the bolts and nuts of
motor stool (29000) and take out motor along with motor stool.
12.4.3 Remove coupling star (40300) / coupling spacer and take out pump half
coupling (39000) after loosening the set screw. Use suitable puller. Remove
coupling key (32100).
12.4.4 Unscrew the two bearing nuts (33500 and 33600) and take out from the
head shaft (18500).
12.4.5 Remove the bearing cover (27000) along with oil seal (50001). Use release
bolts if necessary.
12.4.6 Remove spacer for thrust bearing carrier (19800). Remove key (32400).
12.4.7 Unscrew nuts holding bearing holder (25400) on stuffing box housing
(23800) and take out bearing holder along with thrust bearing carrier
(24700), bearings (26300). Also take out spacer for bearing (19801).
Remove bearing cover with oil seal (50001).
12.4.8 Lift entire unit vertically upward with the help of crane having slings
supported on eye bolts screwed on support plate.
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