4
5. USE’S MANUAL
Examine the oil-level before using to make sure the oil-level is not lower than the oil-level
line in the sight glass. Do not run pump with low oil levels. Add oil to bring it up to the oil level
line.
Connect the container to be pumped to the gas inlet. The hose should be short, sealed and
free of dust, dirty and heavy condensation.Check if leaks before operating pump.
Plug in the power supply and turn the switch on.
Unplug the vacuum pump, remove the connecting hoses and cover the oil plug after using.
6. INSTALLATION
When in use.the pump should be horizontal and should be positioned where it is dry,
ventilated and free of dust and other contaminants.
In order to ensure proper air flow, you must maintain a clearance around the pump of at least
10cm (4inches).
To permanently mount the vacuum pump,remove the rubber pads
from the bottom of the base, and use the existing threaded holes to
mount unit. Mount with ST4.2 screws.
When permanently mounting this pump, be sure to maintain proper clearances around the
unit, especially at the air intake at the end of the vane shell.
If a special electromagnetic valve is needed, it can be installed on the gas inlet.
7. TROUBLESHOOTING
Problem
Possible Cause
Correction
Low
Degree Of
Vacuum
1. Lack of oil
2. Oil is not clean
3. The oil inlet is blocked
4. The hose or gas inlet are clogged
5. The pump is not suitable for your
application
1. Add oil to above the oil level line
2. Change the oil
3. Clean the oil inter or clean the
filter
4. Check the connecting pipes
5. Get suitable pump for your
application
Oil Leaks
1. The oil seal is damaged
2. The housing gasket is loose or worm
out
1. Change oil seal
2. Change the housing gasket
Oil Spray
1. Too much oil
2. The pressure at the gas inlet is too
high or it has pumped too much
1. Oil to the oil-level line
2. Change to a bigger pump
Starting
Difficulty
1. The oil temperature is too low
2. Electrical malfunction
3. Foreign matter is in the pump
1. Start the pump several times to
try to heat the oil
2. Check and have it fixed
3. Check and remove it
