Installation and operating instructions Wilo
–
SCPV pumps
35
Annexure 4
Goal Post Arrangement
Motor
Motor Stool
Goal Post Arrangement
Goal Post Arrangement
Top Casing
Rollers
Maintenance of Pump with Goal Post
Arrangement
If the pump is supplied with goal post arrangement,
then follow bellow procedure to do the maintenance of
the pump
Removal of Top Casing
Isolate the pump system by closing suction and
delivery valve.
Drain the pump and open the upper air vent.
Remove the Bottom Bearing
Isolate the top and bottom half casing
Remove nuts of split gland from both ends and slide
away the gland. Remove gland packing as well as
logging ring.
In case of Mechanical seal, remove the nuts of seal
gland plate
Remove all split flange nuts and the two dowel pins.
Withdraw the casing top by sliding over the rails.
Remove the casing joint gasket.
Note:
Dismantling of the rotating element for Gland pack /
Mechanical seal version pumps is same as explained
in section 9.3.2 and 9.3.4
Reassembling the pump
Reassembly of rotating element
Follow the same procedure for reassembly of rotating
element as explained in section 9.51/2/3 up to
placement of gasket paper then slide in the top casing
at its position. Fit the split flange studs. Align the
dowel holes and fit the dowel pins before
tightening the nuts.
Final Assembly
Refit and reconnect pump half coupling.
Prime the pump and return it to service