Instructions Manual
－
Multiple Roots Type Dry Pump GR60/90/180
YK09-0023-DI-003-02
xiii
0.5.3 Ambient conditions during storage, installation, and operation
This product is a machine with precision clearances. Therefore satisfy the following conditions during
the storage, installation, and operation.
Installation of Pump
Do not give a shock to, tilt, turn over, or stand the pump, or make it
upside down. Otherwise it affects the pump operation. With the intake
port facing upward, install the pump body horizontally.
(1) Ambient
temperature and
humidity
[During
storage]
：
-30 to 60
ﾟ
C, 95%RH or lower (No freeze and condensation)
[During
operation]
：
5 to 40
ﾟ
C, 90%RH or lower (No condensation)
(2) Altitude
[During storage
･
During operation]
：
Altitude: 1,000m or lower
(3) External
vibration
[During storage
･
During operation]
：
Vibration acceleration: 0.5G (114 dB) or lower
(4) Others
[During storage
･
During operation]
：
a. Corrosive and explosive gas are not allowed.
b. Freeze and condensation is not allowed.
c. Dust is not allowed.
d. The room shall be ventilated.
e. The pump is not allowed to double stack and turn over, and
the motor and the oil level gauge are not allowed to stand
with their ends facing down.
f. Direct sunlight shall be avoided.
g. Keep away from heat sources.
h. At the time of storage, be sure to drain.
(At 0
ﾟ
C or lower, water is frozen, damaging the cooling
water pipes etc.)
i. After moving to the installation site, adjust the jacks at the
four points within the range from 0 to 10 mm to install the
pump body horizontally.
j. Use cushioning materials, such as vibration-proof rubbers,
on the installation surface.
Cushioning material
Fix with nuts.
Within the range
from 0 to 10 mm
CAUTION
