MIL'S LABOVAC 1, General Installation And Maintenance Instructions, Page: 13 / 16

General installations and maintenance instructions
LABOVAC VACUUM UNITS
Manual N° 514774 version 8 05/2013 Page 11/12
SECTION 12. MAINTENANCE TABLE
Monthly Quarterly Annually 2 years 5 years
FILTRATION
- bleed PYREX vessel
-
change main anti-bacteria filter
- change secondary anti-bacteria filter (option)
Regular inspection
#
According to use
MAIN and SECONDARY RECEIVERS
-
general inspection of condition
- call in an outside inspection body
#
According to legislation
ELECTRONICS CABINET
-
clean and dust using a soft brush
- check the connections in the cabinet
-
check the connections at motor terminals
- operate the mechanical back-up system (LABOVAC2)
- check the intensity of the motors
#
#
#
#
#
LIQUID-RING VACUUM PUMPS Refer to the start-up and maintenance manual
VACUUM HOSE
- Check general condition
-
Change
#
#
NON RETURN VALVE
- Check tightness #
PRESSURE INDICATOR (electronic sensor, vacuum gauge)
- Check measures for correctness #
NETWORK ALARM
- Check correct working order #
EXHAUST HOSE
-
Check the general condition
- Change
#
#
WATER SUPPLY
-
Clean the screen of the filter #
-
Check solenoid valve #
-
Check safety of the water mechanical pressure switch #
12.1. Filtration
IMPORTANT:
For this operation, use all necessary protective clothing (gloves, mask, chemical protective
suit, etc.) then destroy the contaminated consumable (anti-bacterial cartridges, liquid of
condensation,…) according to applicable laws in your country (licensed incinerator).
During and after maintenance, to respect basic hygiene rules.
Before ordering tools used for maintenance, clean them with a disinfectant.
12.1.1. Bleed the PYREX vessel

Position the three-way valve to bypass,

Bring to atmospheric pressure by pressing the red button on the filter nose,

Unscrew the vessel, empty it and screw it back into position.

Put the three-way valve back into working position.
12.1.2. Changing the anti-bacteria filter
Systematically replace the anti-bacteria cartridge every 12 MONTHS or more frequently if pressure on the network
drops too low.

Position the three-way valves to bypass,

Bring to atmospheric pressure by pressing the red button on the filter nose,

Unscrew the chamber, remove the white shell + filter element assembly; remove the collar holding the shell
to the filter element.

Fit the shell to the new filter element, replace the collar and clean the chamber.

Then, once reassembled, position the three-way valves back to their working positions.