LumberJocks

Tool Tip #9: Cleaning large Dust Extractors

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Blog entry by robscastle posted 04-21-2014 12:02 AM 607 reads 0 times favorited 1 comment Add to Favorites Watch
« Part 8: Plastic spring hand Clamps Part 9 of Tool Tip series Part 10: Inlay onlay with the Inlay Kit »

I have been working in Sydney with my boys doing electrical work at schools whilst the holidays are on.
One of the tasks was to repair restore broken switches and emergency stops in the wood working shop.

We then had to service the Outdoor Dust Collector/Extractor. (just the job for an electrician!)

Good thing I have an interest in wood working ! otherwise it would have been a “No Way reply!

My son and I accepted the task and away we went.

We opened the side access panels of the unit and removed one of the Pocket Filter Cassettes

We then removed the pocket filter frame and withdrew the mesh inserts.

Opened the pocket filters up like a big book and vacuumed them.

All very messy and lots of work.

This led me to ask if we were doing the correct maintenance on these type of equipment.

Small home units no worries empty the bin and shake out the filter bag and reassemble.

However bigger industrial ones were a different matter, The units are very heavy requiring two men to remove the filter Cassettes/modules.

The work definitely needs an open area to work in as it creates massive amount of wood dust in the process.

We dismantled the pockets Frame and mesh separators first up, but later worked out this was unnecessary and they could be laid sideways and vacuumed on the table intact.

After blocking the shop vac a couple of times I used a dust pan and brush to pre clean the pockets, I was removing a pan full of dust from a single side each time.

Does anybody have experience in the correct maintenance procedure for these type DCs?

I looked on the net for service manual or maintenance instruction but there was none found, so I decided to approach the Brains Trust at LJs !!

-- Regards Robert



1 comment so far

View Bob Current 's profile

Bob Current

313 posts in 272 days


#1 posted 04-21-2014 12:25 AM

My bet is you will find the recommend practice is to remove and replace the entire filter cassette assemblies.
They look similar to the “bag” filters we change in hospital air handling units on a regular basis but not as often as the pre-filters.
I’m sure your method will also produce and acceptable outcome.

-- When you are wrong admit it, when you are right forget it.

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