Xylem P2001406B Series e-1510 Centrifugal Pumps - Manual (Page 28)

WARNING:
• Make sure that the pump is isolated from the system and that pressure is relieved
before you disassemble the pump, remove plugs, open vent or drain valves, or
disconnect the piping.
• Always disconnect and lock out power to the driver before you perform any
installation or maintenance tasks. Failure to disconnect and lock out driver power will
result in serious physical injury.
• Crush hazard. The unit and the components can be heavy. Use proper lifting methods
and wear steel-toed shoes at all times.
NOTICE:
Make sure that all replacement parts are available before you disassemble the pump for
overhaul.
Drain the pump
CAUTION:
• Allow all system and pump components to cool before you handle them to prevent
physical injury.
1. Close the isolation valves on the suction and discharge sides of the pump.
You must drain the system if no valves are installed.
2. Open the drain valve.
Do not proceed until liquid stops coming out of the drain valve. If liquid continues to
flow from the drain valve, the isolation valves are not sealing properly and you must
repair them before you proceed.
3. Leave the drain valve open and remove the drain plug located on the bottom of the
pump housing.
Do not reinstall the plug or close the drain valve until the reassembly is complete.
4. Drain the liquid from the piping and flush the pump if it is necessary.
5. Disconnect all auxiliary piping and tubing.
Remove the hex coupling guard
1. Remove the two capscrews that hold the outer (motor side) coupling guard to the
support brackets.
2. Spread the outer guard apart and pull it off the inner guard.
Do not spread the outer and inner guards more than necessary to remove the guard.
It could alter their fit and appearance.
3. Remove the capscrew that holds the inner guard to the support bracket.
4. Spread the inner guard apart and pull it over the coupling.
Maintenance
26 Series e-1510 Installation, Operation, and Maintenance Manual