Overhaul - EBARA EV-A Series Instruction Manual

P.42

7.4 Overhaul

Take the following precautions for a safe operation and prolonged pump life.
(1) Operate the pump within the range described in the catalog and the instruction manual.
(2) Perform maintenance as specified on P.41 (7. Maintenance) section.
(3) Product inspection and overhaul service are available at EBARA service factory or one of the
authorized service representative
(4) When returning the pump, please attach Return Notice Sheet with the pump.
(5) Please consult with our business offices listed in the back beforehand.
See table below for recommended overhaul cycle.
Recommended
overhaul cycle
Every 1-2 years
(with gas ballast)
Every 3 years
Overhaul cycle may change in response to the condition of the usage.
When the gas to be pumped is very reactive or corrosive, it may be necessary to have overhauled
more than once a year.
<Notice>
Please fill out Return Notice Form attached end of this manual and provide necessary
information prior to returning the product.
Dry out pump inside prior to returning the product if it was used to pump condensable gases.
For safety reasons, replace remaining gases with N2 (nitrogen) completely and seal inlet and
outlet port with blank off caps prior to returning the pump for repair/overhaul service if the pump
was used to pump toxic gases.
The product may not be accepted if it was used for pumping arsenic gas or phosphorous gas.
Please consult with our business office beforehand.
(6) Turn around time and service procedure may be different for the product with special
specifications. Please consult with our business office beforehand.
(7) When the pump is unused for a long period of time, purge the pump well with N2 then seal the
inlet and outlet port with blank flanges immediately.
For repair service, contact one of the office listed in the back of this manual.
PM10U
Example of usage/application
Pumping condensable gases such as water vapor and solvent mixed gas.
(Prior meeting is required when pumping solvent)
Pumping clean gasses such as dry air and inert gases (N2, etc).
EBARA
CORPORATION