3.4 HOW TO STOP THE DRYER
Various risks (projection, explosion, noise,...): Whenever working on the dryer,
it is essential to disconnect it from the network. Follow the procedure below:
1. Open the by-pass valve
2. Close the upstream valve
3. Close the downstream valve
4. Cut off and lock the isolating switch before the dryer
4. Maintenance
Adsorption dryers are robust, reliable machines. To ensure uninterrupted, problem-free
operation, regularly perform the inspections below.
4.1 MONTHLY INSPECTIONS
During the monthly routine inspection, check that :
l
the drying and regeneration cycle functions normally,
l
the silencers are not clogged.
4.2 HALF-YEARLY INSPECTIONS
l
Check that the drying and regeneration cycles functions normally
l
Check to see whether the silencers are clogged
l
Replace the cartridge of the prefilter. Follow the following procedure:
1. Stop the dryer.
2. Use one hand to release the locking part and the other to turn the bottom
housing of the filter until its escape.
3. Descrew the satured filter element
4. Screw the new cartridge
5. Refit the bottom housing of the filter
6. Start the machine
4.3 ANNUAL INSPECTIONS
1. Check that the drying and regeneration cycles functions normally
2. Check to see whether the silencers are clogged
3. Replace the cartridge of the prefilter. Follow the following procedure
4. Check the state of the desiccant: if the desiccant is brown (oil pollution) or if there
is a lot of dust (disintegration), then change the desiccant (see next section).
8
INSTRUCTION MANUAL -
Dryspell
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