DOOVAC SML-060 User Manual - Page 9
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Do not touch the surface of the vacuum pump during operation. Otherwise, you
may get burned.
CAUTIO N
If any abnormal noise or vibration is emitted, stop the vacuum pump immediately
VI. M aintenance
CAUTIO N
1. Inle t Filte r maintenance
Check the inlet filter regularly. Clean or replace a dirty filter.
If the inlet filter is very dirty, replace with a new filter.
Foreign matter will seriously damage the vacuum pump. If the inlet gas or
environment is not clean, install an air filter at the inlet pipe.
CAUTIO N
2. Vanes
The SML type products have 4 vanes.
For the first 6,000 hours of operation and for every 3,000 hours of
operation thereafter, remove the cylinder cover, remove the vanes and
measure the vanes' heights (X).
(See the figure on the right).
The minimum allowable vane heights (X) per model are presented in the
Table below. If any one of the vanes has been worn to a height less
than the allowable value, replace all 4 vanes with new ones.
Minimum Allowable
Height (X)
3. Cle aning Cooling Fan and Fan Cover
A dirty cooling fan cover may disturb the
cover regularly.
Troubleshooting
VII.
Problem
Possible Cause
Rated vacuum
Leak at inlet line
pressure is not
SML-030/060
15mm
flow of the cooling air. Check and clean the cooling fan
SML-N60
SML-140
19mm
Troubleshooting
Check the inlet piping. Correct if
there is leakage.
SML-280
31mm
35mm