Maintenance
5-5
Part 1108061-02
E 2015 Nordson Corporation
Booth Canopy Conditioning
Perform this procedure every six months or whenever it becomes difficult to
blow powder off the canopy surface. Conditioning keeps the canopy easy to
clean and reduces the potential for contamination of reclaimed powder.
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NOTE: To remove impact-fused powder, perform the initial canopy
conditioning procedure on page 5-1.
1. Fill two clean buckets with water.
2. Put 2−3 drops of mild dish washing detergent into one of the buckets.
This will be the soap bucket.
3. Soak and wring out a hand sponge or a sponge mop in the soap bucket.
Wipe down the entire inside of the canopy, frequently wringing out the
sponge in the rinse bucket and then re-soaping the sponge in the soap
bucket.
4. Empty the buckets, rinse them, and repeat steps 1−3, for a total of two
wash cycles.
5. Empty the buckets and rinse them. Fill the buckets with clean water and
rinse the entire inside of the canopy, frequently wringing out the sponge
in the rinse buckets.
6. Repeat step 5 two times, for a total of three rinse cycles. Allow the
canopy to completely dry before resuming spray operations.
NOTE: It is important that the canopy is not touched by bare hands. Skin
oils and other contaminants will affect the ability of the canopy to shed
powder during blowoff. Operators should wear cotton gloves when working
with the canopy.
Cyclone Cleaning
Use the cyclone cleaning media listed in Parts to clean the cyclones and
remove impact-fused powder. Results may vary depending on the level of
impact fusion. Cleaning durations can be reduced or increased to meet
system requirements.
1. Disconnect the transfer hose and fluidizing air tubing from the transfer
pan at the bottom of the cyclone.
2. Plug all the tubing and hose connectors in the transfer pan.
3. Close the cyclone access doors, if open.
4. With the exhaust fan running, dump 1−2 cups of cyclone cleaning media
into the cyclone inlet duct.
5. Let media clean the cyclones for approximately one hour. This duration
can be reduced or increased as needed.
6. Shut down the exhaust fan.
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