Barmesa Pumps 2KLEIN-204 Руководство по установке, эксплуатации и техническому обслуживанию - Страница 12
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5. Operation
5.1 Before starting the pump
1. After completing installation, measure the insulation resistance again as described in Installation section.
2. If the pump is operated continuously for an extended period of time in a dry condition or at the lowest water level, the
motor protector will be activated. Constant repetition of this action will shorten pump service life. Do not start the
pump again in such a situation until after the motor has completely cooled.
5.2 Operation test
1. Turn the operating switch on and off a couple of times to check for normal pump start.
6. Maintenance
Check pressure, output, voltage, current and other specifications. Unusual readings may indicate a pump failure. Refer
to Troubleshooting and correct as soon as possible.
6.1 Daily inspections
Check current and ammeter fluctuation daily. If ammeter fluctuation is high, even though within the limits of pump
rating, foreign matter may be clogging the pump. If the discharged amount of liquid suddenly falls, foreign matter may
be blocking the inlet suction.
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6.2 Regular inspections
a. Monthly inspections
Measure the insulation resistance. The value should be more than 1 megaohm. If resistance starts to fall rapidly even
with an initial indication of over 1 MΩ, this may be an indication of a pump failure and repair work is required.
b. Annual inspections
To prolong the service life of the mechanical seal by replacing the oil in the mechanical seal chamber once a year. Water
mixed the oil or cloudy textures are indications of a defective mechanical seal requiring replacement. When replacing
the oil, lay the pump on its side with filler plug on top. Fill suitable amount lubricating oil No. 32.
c. Inspections at 3-5 year intervals
Conduct an overhaul of the pump. These intervals will help to avoid possible failures in the future.
6.3 Parts need to be replaced
Replace the appropriate part when the following conditions appear:
REPLACEABLE
Mechanical seal
PART
Whenever oil in
REPLACEAMENT
mechanical seal
GUIDE
chamber is
clouded
FREQUENCY
Annually
Oil filler plug
Lubricating oil
gasket
Whenever oil is
Whenever
replaced or
clouded or dirty
inspected
Every 6 months
Every 6 months
O-ring
Whenever pump
is overhauled
Annually
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