12E5119 Instruction Manual QuickTOC
®
ultra
IECEx 213
9 Accessories and Options
9.2 Reagent Cabinet
LAR | PROCESS ANALYSERS AG
9.2.7 Perform Care and Maintenance Actions (Ambient Air Preparation Unit)
Procedure for care and maintenance actions:
1. Disconnect the electrical connection of the Ambient Air Preparation Unit to the analyser for care
and maintenance actions.
2. Use a care and maintenance log (Ambient Air Preparation Unit) (if necessary copy from
Chapter 13.7 on page 272) for documentation.
3. Follow the instructions below for care and maintenance actions for individual components.
4. Document in the care and maintenance log the care and maintenance actions taken.
5. Conclude documentation of the log once the care and maintenance actions are performed.
6. Reconnect the electrical connection of the Ambient Air Preparation Unit to the analyser.
9.2.7.1 Replace Soda Lime
Precondition: - Soda lime is more than 75% discoloured (purple/violet).
1. Take the upper and lower tubes of the filter cartridge.
2. Use a screwdriver to open the pipe clamps.
3. Take the filter cartridge from the Ambient Air Preparation Unit.
4. Carefully open the filter cartridge from the top. Mind out for the spring in the filter cartridge
(Fig. 137, page 213).
5. Take the cover, O-ring, filter mats, perforated disc and spring.
6. Dispose of used soda lime pellets in an environmentally responsible way.
7. Fill new soda lime pellets into the filter cartridge, leaving enough space to fit the spring.
8. Place the following components onto the soda lime pellets in this order - the filter mats, the
perforated disc, the spring and the O-ring into the groove of the filter cartridge. (Fig. 137,
Fig. 137: Soda Lime Cartridge
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