Maintenance; Periodic Maintenance; Draining; Replacing Mechanical Seals - red lion RJS-75SS Series Owner's Manual

MAINTENANCE

Risk of severe injury or death by electrical shock or pressurized fluids.
• Always unplug the power cord in addition to removing the fuse or shutting off the circuit breaker before working on the pump or
control.
• Relieve system pressure before disassembling device.
• This product should be serviced by qualified electrical or plumbing personnel only.
• Pump may become hot during operation. Allow pump to cool before servicing.

Periodic Maintenance

1. Make sure the pump is still securely bolted to the foundation.
NOTE: The pump can be maintained and inspected without removing the flow control device.
2. Periodically inspect system for leaks and performance.
• Replace seals or impeller as required. Refer to
3. Clean the exterior of the pump with a solution of vinegar and water, if needed.

Draining

Drain the system if it will be subjected to temperatures below 32 °F (0 °C) or if maintenance is to be
performed.
1. Disconnect power from the system.
2. Open a tap in the water system to release the pressure.
3. Remove the drain and priming plugs from the pump casing.
4. Remove the pressure drain plug if applicable.
5. Allow ample time for the system to drain before reinstalling the plugs.

Replacing Mechanical Seals

Risk of damage to pump or other property.
• Only qualified persons should perform maintenance on electrical or mechanical devices.
• Care must be taken not to damage the motor fan or cover.
• Do not use petroleum-based cleaners or lubricants.
• Care must be taken not to contaminate the seal faces.
Disassembly
1. Ensure the pump is disconnected from elec-
trical power and drained.
2. Remove the bolts (1) and casing (2).
3. Remove fan shroud fasteners from the
motor and remove the fan shroud (3).
4. Remove the impeller (4) by firmly holding
on to the motor fan (5) and turning the
impeller clockwise.
5. Slip rotating seal (9) off the shaft.
6. Remove motor tie bolts.
"Replacing Mechanical Seals" on page
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MAINTENANCE
Periodic Maintenance
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