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How do you do....it? Thread, How often do you clean projector filters? in Technical; We used to do it quite infrequently but I want to get into a regular pattern. I knocked up a ...
  1. #16

    Sylv3r's Avatar
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    We used to do it quite infrequently but I want to get into a regular pattern.

    I knocked up a spreadsheet with all of our rooms listed and the date the projector cleaned. It then works out in a traffic light system and colour codes the room with green <50 days, amber <75 days and red 76> days.

    It certainly gives us at at a glance easy view on which projectors need cleaning etc.

  2. #17

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    Hi I am looking for some kind database that I can recored all projectors make and model, bulb info etc. I would also like ot to be able to report when they need cleaning ie red lights!! I think the best bit would be to produce a report.

    Thanks

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    Quote Originally Posted by plexer View Post
    Uni cycle or 2 wheeled rayleigh?
    LOL! That was the image I had in my head too. Must be a bit of a pain in the arse that though, and not just because of the seat...

  4. #19

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    I clean ours once a month and the one in the home economics room gets soaked in fairy liquid to clean off the grease. I also make sure that all users know to switch the projectors off at the remote (not the mains) to let them cool down properly. And guess what? In the 3 years I have been here we haven't had to replace a single bulb in the school touch wood.

  5. #20

    CPLTD's Avatar
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    I'm glad to see the amount of people that never clean their filters.
    I've had my Mitsubishi up for over 8 months now, no cleaning/maintenance at all. Works like a charm!

    Viva le laissez faire resistance!

    Joe

  6. #21

    teejay's Avatar
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    Quote Originally Posted by spoons View Post
    I clean ours once a month and the one in the home economics room gets soaked in fairy liquid to clean off the grease. I also make sure that all users know to switch the projectors off at the remote (not the mains) to let them cool down properly. And guess what? In the 3 years I have been here we haven't had to replace a single bulb in the school touch wood.
    Just done some back of fag packet calculations, for the number of projectors we have that would cost us over 5k per year in staff time alone cleaning them every month!

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    depends on how dusty the filters are. if theyre very dusty, it can overheat the projector and shortens the life of the bulb.
    we have 18 of the orange sanyo promethean projectors in our school and some went very dark with blue and pink on the whiteboard. we replaced the lamps, no joy and our rep told us we needed new projectors.
    They just needed a deep clean and they turned out as good as new. only found this out after buying 3 new projectors. The company we sourced called in to the school and did them on site for us.

  8. #23
    azc
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    Never clean the filters, but they do get replaced along with the lamp whenever it goes pop.

  9. #24
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    God don't you hate it when the bulb explodes!

  10. #25
    bondbill2k2's Avatar
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    Quote Originally Posted by teejay View Post
    Us, we clean em when the bulb explodes....
    Thats what happens here! Since I started this year ive wrote up a list and date each time one has been cleaned and counter reset, plan to do it once every other month where possible (some such as the halls and drama room with a very high celiing I can't get near)

  11. #26

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    As previously mentioned, we tend to replace the filters along with the lamps when they go pop, but we do clean the ones that need it when we have time. We use one of these to clean out the filters:



    The battery lasts about 10 minutes, but it's more than enough to get a couple of projectors cleaned out. The power of it is very impressive for such a small battery powered unit.

  12. #27

    Sylv3r's Avatar
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    Quote Originally Posted by sven View Post
    As previously mentioned, we tend to replace the filters along with the lamps when they go pop, but we do clean the ones that need it when we have time. We use one of these to clean out the filters:

    http://www.handheldvacuum.org.uk/images/Dyson-DC30.jpg

    The battery lasts about 10 minutes, but it's more than enough to get a couple of projectors cleaned out. The power of it is very impressive for such a small battery powered unit.
    What is it? Do you have an idea of price?

  13. #28
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    In the past I only ever cleaned them when the bulbs went which was very rare, since getting a few Sony EX4's installed a few years ago I've started cleaning them atleast once a term. This hasn't stopped the EX4's blowing bulbs every 1k hours though.

    I use the inventory within spiceworks to record all bulb, filter changes along with bulb/projector hours.

  14. #29
    bondbill2k2's Avatar
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    Did the IT rooms for first time and they were on 1200hours

  15. #30
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    Once a year or when they request cleaning.....it's pretty unavoidable with the hitatchi ones we have as a huge grey box covers most of the screen telling the user the filter needs cleaning.

    Wouldn't mind having a rolling thing of it though so that it was done every half term. Might get something planned out for that in the future.

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