AAON LN-140 - Manual (Page 42)

42
Mechanical seals may ‘weep’ slightly at
start-up. Allow the pump to continue
operating for several hours and the
mechanical seal to ‘seat’ properly prior to
calling for service personnel.
System Cleanliness
Before starting the pump the system must be
thoroughly cleaned, flushed and drained and
replenished with clean liquid.
Welding slag and other foreign materials,
“Stop Leak” and cleaning compounds and
improper or excessive water treatment are
all detrimental to the pump internals and
sealing arrangement.
Proper operation cannot be guaranteed if the
above conditions are not adhered to.
Note
Particular care must be taken to check the
following before the pump is put into
operation:
1. Pump primed?
2. Rotation OK?
3. Lubrication OK?
4. Pipe work properly supported?
5. Voltage supply OK?
6. Overload protection OK?
7. Is the system clean?
8. Is the area around the pump clean?
Warranty
Does not cover any damages to the
equipment resulting from failure to observe
the above precautions.
Noise Levels
Estimated Pumping Unit Sound Power Level, Decibels, A-Weighted, at 1 m (3 ft.) from unit.
Double Check Prior to Startup
CAUTION