BIRO VTS-41, Operations Manual & Parts List, Page: 14 / 28

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ITEM No. VTS7121
INLET FILTER DRAINING INSTRUCTIONS
AIR FLOW
BOWL
ITEM No.
VTS7121-E
FILTER
ELEMENT KIT
TO DRAIN
UNSCREW
DRAIN
VALVE
OPERATION & SERVICE
1. Check filter daily.
3. Manual drain filters must be drained regularly before
the seperated moisture and oil reaches the bottom of
the lower element. Drain by unscrewing the black
drain plug in bottom of sight bowl.
2. Both free moisture and solids are removed
automatically by the filter. There are no moving parts.
4. The filter element should be removed and cleaned or
replaced monthly.
5. To remove the filter element:
SHUT OFF VACUUM
PUMP and depressurize the unit.
a. Unscrew threaded bowl.
b. Unscrew element assembly.
c. Clean bowl and filter element. Reassemble or replace
filter element. Clean bowl with mild soap and water
only. Do not use detergents, cleansing agents, such
as acetone, alcohol, benzene or gasoline, which are
damaging to plastic.
d. Lubricate or replace bowl gasket to assist initial
sealing. Use only mineral based oils or grease. Do
not use synthetic oils or silicones.
e. Screw bowl into body of filter. Close black drain
plug.