Kodak Carousel S-AV 2050 Betriebsanleitung
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Slide Projector Maintenance
MAINTENANCE: Kodak S-AV 2050 slide projectors
Kodak S-AV 2050: front view Kodak S-AV 2050: side view with carousel Kodak S-AV 2050: dismantled
The below maintenance tasks are based on our experiences when looking after slide-based artworks
across multiple Tate sides. Rather than responding to failure during opening hours, our approach is
driven by pre-emptively minimising its chance. In order to keep track of the maintenance carried out
please set up a maintenance log that notes the action taken as well as any problems that occurred during
the course of the display.
The following items are required:
- ‘3-In-One’ lubrication oil and grease
- Oil free air compressor or compressed air cans
- Lint free tissue, anti-static brush
TWICE A WEEK AND WEEKLY MAINTENANCE
The lamp inside the projector needs to be changed twice a week. It is important that this is done
before the lamp fails. A schedule can be set up based on the average 40 hours life expectation of the
lamp. It is necessary to wear gloves when changing the lamp as grease spots on the lamp reduces its
life and cause them to blow prematurely.
The slide projector needs to be cleaned once a week by a trained AV technician. This includes
dusting the outer body of the projector as well as the lens and optical path (there are 4 lenses and
filters inside the projector). The cleaning of the projectors optics, such as the lens, condenser and
heat filter should be carried out using a soft lint e cloth or an anti-static brush.
If the projector begins to make a squeaky noise, this is usually caused by the ventilation wheel inside
being dusty and/or that the bearings may need lubrication.
MONTHLY BASIS
Once a month a deep clean needs to be carried out on the slide projector. Dirt and dust can have
adverse effects on the lubricants used on the rotating parts inside the slide projector and thus may
lead to malfunctioning.
See detailed maintenance instructions at the end of the report. This will take circa 40 minutes for
each.
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Lamp bracket with latch Lamp brackets in
above outwards position
E D C B A
A B
INSTRUCTIONS
LAMP CHANGING
Lamp Specification: 250W Halogen / Osram A1/223 / 24V
Please wear gloves when changing the bulb. In order the
access the lamps, open the lamp house door. Push the
rapid lamp changer at the rear side of the projector all the
way to the right until it stops. There is a small latch above
the lamps which needs to be pushed in order to free the
lever. Then pull the lever gently towards you which will
provide access to the bracket on which the lamps sit.
Remove the defective lamps and push the lever
inwards. Make sure that the lever is not catching which
will prevent the lamps of slotting all the way in place.
DISMANTLING
1) First, let the projector and the lamp cool down and unplug
the mains lead. In order to gain access to the inside of the
projector, the following lenses and parts must be taken
out. Open lamp house door at the side. You will see the
optics and back mirror: (A) condenser lens (B) heat filter
(C) lens (D) lamp holder (screw for adjustment) (E) mirror
plate. Remove these in the order from E to A. Pay special
attention to how the mirror plate (E) is taken out as this
can be difficult to slot back into place.
2) Remove the screws at the four corners of the bottom side
of the projector.
3) Remove the plastic attachment from the lamp changer switch. Make sure the lamp changer switch is
right across or you won’t be able to remove the cover.
4) Remove lens cover, door, fan vent and handle from the projector. Keep all these parts together.
SERVICING TASKS
1. Move to an area which can get dusty as the amount of
dust inside the projectors should not be underestimated.
2. Use the compressor to blow out the inside of the
projector especially the rotating wheel (fan). Don’t blow
away the grease from the cogs.
3. Use ‘3 in one’ lubrication oil on the fan bearing, at points
A and B and turn the fan to circulate the oil. It only needs
a few drops which could be applied by using the end of a
screwdriver.
4. Check the fan can move freely. If not, check for other
physical problems.
5. Grease the carousel component, and the cogs.
6. Clean all optical filters and lenses with a lint free tissue.
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REASSEMBLY
7. Reassemble in the following order:
Position door and handle. Make sure that the handle is sitting comfortably – it can only go in one way.
Place the cover on the top and butt the screws in without tightening them.
Position fan vent, tighten back screws first and then front screws
Put lens cover back in place.
8. Replace the optics and lamps, IN ORDER, A, B, C, D, E. (E) with mirror facing front, (C) with lens
facing front, (B) with glass facing front, (E) with lens facing back.
9. The back mirror (E) is tricky to put back in its position.
10. The condenser lens (A) should go in the penultimate groove closest to the lens so that the last groove
remains empty. (this is only used for 40 x 40 mm square aperture slide mounts)
CENTERING THE LAMP
Having changed the lamps it is necessary to align them properly.
11. After switching off the projector, look through the lens and check the position of the lamp filament
12. In the shipment included (see accessories case) is a slide mount which contains a piece of card with
a pinhole pushed exactly in the centre. Place this slide inside the gate and switch on the projectors.
13. Using this mount, you can see whether the lamp is aligned properly. The two images of the lamp
should be vertically aligned and not overlapping. This can be controlled by the adjustment screw on
the lamp holder. (See picture with open lamp house door above)
14. In the end, make sure that the lever is pushed all the way back into place.
CHECKLIST
If any problems are encountered with the projectors during the following checks, refer to the operating
manual for troubleshooting.
1) Check Dial on bottom is set to 240v
2) Check fuse (below on /off switch) is 250v 1.6A
3) Run projector and listen for noises e. g. fan squeaking
4) Run test carousel and timer
5) Check legs are extendable
6) Remove lens
7) Turn over and open up, while doing so check that handle, grill, face plate and door are in place
8) Remove all optics, front to back, and lamps. Dust and clean
9) Clean and dust inside of projector – use compressor if necessary
10) Oil fan wheel
E D C B A wrong alignment correct alignment
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11) Check fan is positioned correctly
12) Test slide change mechanism and oil where possible
13) Test run for one hour, with interval timer, before closing. Check for any problems
14) Replace all optics/lamps, back mirror first, working to front; replace used lamps with new ones.
15) Clean projector body, remove dust and residue
16) Close up and ensure all parts are reattached.
17) Clean and replace lenses
18) Align filament
19) Update equipment file
REPORT CREATED
by: Lee Cavaliere, Tina Weidner Date: February 2010
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