Ulvac DAU-20 Series Instruction Manual page 11

High vacuum diaphragm type dry vacuum pump
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WARNING
Operation
(15) This pump is not designed to be explosion-proof. When using the pump, ensure that
there are no inflammable materials such as solvents, or explosive gases, in the vicinity.
Use under such conditions may result in injury or fire.
(16) Inserting fingers or objects into the motor inlet may result in electric shock, injury, or fire.
(17) Operating the pump with the discharge outlet blocked, or with a device which prevents
passage of gas to the discharge outlet. The internal pressure of the pump rises and the
motor become overloaded.
This pump is not designed to be pressure-resistant. The internal pressure of the pump is
limited to 0.03 MPa (gauge pressure).
(18) Do not use it for the human body.
And do not use in applications involving organ transplants, or contact with body fluids or
living tissue.
Maintenance and Repair
(19) The pump should be dismantled or repaired only by a repair technician trained by the
manufacturer.
(20) To prevent ingestion of microscopic particles resulting from wear of components, use a
dust mask and gloves during repair work.
CAUTION
<Installation>
(1) This pump is a machine having precise clearance. Satisfy the following requirements when
conducting storing, installation and operation
1. Operation temperature and the humidity
2. Others (applicable both storing and operation)
a.
Level location where enough floor strength.
b.
No condensation.
c.
No dust.
d. For indoor use only.
e.
Well ventilated.
f.
No explosive gas.
g.
No direct sun rays.
h.
No flammability risk.
i.
When Equipment is installed, temperature in pump circumference shall not exceed
40℃
(2) There is a risk of hurting lower back. Lift the pump with both hands definitely to move and
conduct work.
Abrasive particles of diaphragm may drain from the exhaust vent and pollute the room. Exhaust
it to out of the chamber by connecting pipes if necessary.
(3) Install the main disconnection (suitable plug or switch/circuit breaker) device for safety
<Operation>
(4) Definitely do not touch the rotating section such as a motor, main spindle, coupling, cooling
fan while driving the pump. There is a risk of injury.
5℃ to 40℃ in temperature, Lower than 85%
(relative humidity) in humidity
06
Before use
.

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This manual is also suitable for:

Dau-20aDau-20bDau-20cDau-20dDau-20e

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