IOM/CPHM/DEC19/01 ISSUE DATE:14-12-2019
Page 5 | 48 REVISION NO.1
2.3
Before commissioning the pump set, please ensure:
2.3.1 The pipe connections are flushed and tightened properly.
2.3.2 Alignment is proper.
2.3.3 Auxiliary piping connection such as sealing / flushing, etc., are made.
2.3.4 ‘CPHM’ pumps are grease lubricated as standard supply. However, against specialty
oil lubrication can be given. Then the pump is provided with constant level oiler.
Please note that CPHM pumps in units- 11, 11A, 11B, 13, 13A are always with oil
lubrication.
2.3.4.1
Constant level oiler:
Fix the constant level oiler and fill the oil. Procedure for fitting the constant level oiler
and method of filling oil is given below.
Constant level oiler has plastic container and aluminum body as a standard supply.
Connection stem is ¼” BSP tapped and its capacity is 70ml approx. If the constant
level oiler is properly fitted and oil is filled as per instructions given, practically no
attention is required as far as lubrication of bearing is concerned other than to
replenish the visible reserve supply of the oil in the container (Refer Fig. 2, 3 and 4).
2.3.4.2 Method of fitting:
Screw constant level oiler stem into the tapped hole of the bearing housing reservoir.
Before fitting oiler, check the level of the tapped hole with the help of turn bar with
¼” BSP tapping at one end and a sprit level (Refer Fig. 2). If the level is incorrect and
oiler tilts downward, oil will not flow from oiler into the reservoir (Refer Fig. 3). Hence
it is necessary to check the level before fitting in the constant level oiler.
2.3.4.3
Method of filling the oil:
Tilt the container (Refer Fig. 4) and fill it with oil through stem of the oiler. Replace
the container and allow oil to flow into the reservoir. The oil in the container shall
flow into the bearing housing reservoir and shall become empty. Repeat above
procedure till the level in the reservoir is equal to the level of which the oiler is
adjusted. When the desired level is attained the oil in container shall remain steady at a
position. Visible level of the oil in the container indicates that bearing housing reservoir
is filled up to the mark.
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