APEC PUMP SSDM-10HP Series, Installation And Operation Manual, Page: 7 / 12

7
Operation
1. Before starting the pump
1). After completing installation, measure the insulation resistance again as described in
installation.
2). Check water level.
If the pump is operated continuously for an extended period of time in a dry condition or at the low-
est 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 com-
pletely cooled.
2. Test operation
Non-automatic pump
1). Turn the operating switch on and off a couple of times to check for normal pump start.
2). Next, check direction of rotation. If discharge volume is low or unusual sounds are heard when
the pump is operating, rotation has been reversed. When this happens, reverse two of the wires.
Maintenance
Check pressure, output, voltage, current and other specifications. Unusual readings may indicate. Refer
to Troubleshooting and correct as soon as possible.
1.
Daily inspections
Check current and ammeter fluctuation daily. If ammeter fluctuation is great, even though within the
limits of pump rating, foreign matter may be clogging the pump. If the quantity of liquid discharged
falls suddenly, foreign matter may be blocking the suction inlet.
2. Regular inspections
a. Monthly inspections
Measure the insulation resistance. The value should be more than 1M ohm. If resistance starts to fall
rapidly even with an initial indication of over 1M ohm, this may be an indication of trouble 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 re-
quiring replacement. When replacing the oil, lay the pump on its side with filler plug on top. Inject suit-
able amount turbine oil No.32 (ISO VG-32)
.
c. Inspections at 3-5year intervals
Conduct an overhaul of the pump. These intervals will preclude the possibility of future trouble.
3. Parts that will need to be replaced
Replace the appropriate part when the following conditions are appear
Note: above replacement schedule is based on normal operating conditions
.
Replaceable part Mechanical seal Oil plug O-ring Lubricating oil O-ring
Condition
Oil in mechanical
seal chamber is
clouded
Inspect or replace the oil Oil is clouded or dirty Overhaul the pump
Frequency Annually Half a year Half a year Annually