Routine Inspection - EBARA EV-S20 Instruction Manual

7.2 Routine Inspection

Check periodically that ALARM signal is not output on the LCD controller or
remote output.
No.
１
Motor Power
2 N
2
3 Vibration / Noise
4 Cooling water flow
5 Pump casing Temp.
6 Color of lubricating oil
When the WARNING/ALARM display appears, take action in accordance with
Section 11. "Troubleshooting."
If the lubrication oil amount is lower than the lower limit line of the oil level gauge,
supply the lubrication oil. See the section 7.4 "Lubrication oil" when adding the
oil.
WARNING Switch off the power supply to the pump first and interrupt the
WARNING The pump and exhaust piping will remain at a high temperature
Even when the cause of the WARNING/ALARM signal has been removed the
signal will be maintained until the RESET signal is entered. After you have taken
the remedial action, press the RESET button on the controller or enter the RESET
signal from the control signal connector to reset the WARNING.
PM10U
Table 7.1 Typical check items
Item
Gas Flow(EV-S**P / EV-S**P)
Circuit Protector (CP) and lockout before you start on
maintenance.
during operation and for a short time after the pump has
stopped.
Be sure to avoid contact and keep inflammable substances out
of reach.
Do not remove the outer cover during operation.
How to check
(recommended)
LCD
LCD
-----
LCD
LCD
Visual
P.80
Interval
1 time/week
1 time/month
EBARA
CORPORATION