R5906848 /04 DP2K SLP Series 121
4. Replace the zoom lens (reference 7 Image 10-11) from the container (reference 8 Image 10-11) as illustrated.
Use a 1.5mm Allen wrench. Ensure that the flat side of the lens faces the Integration Rod (convex side
towards Folding Mirror).
Caution: Wear cotton gloves. Do not touch the glass with bare hands. Furthermore, ensure that the
lens remains clean.
Note: Light Pipe lens No3 (zoom lens) and lens No4 are the biggest Light Pipe lenses. Lens No3 and
Lens No4 have a diameter of 60mm. But lens No3 has an edge thickness of 7mm, while lens No4 has
an edge thickness of 5mm.
Image 10-11
5. Place the lens container back in the Light Pipe (reference 2 Image 10-10). Ensure that the flat side of the lens
faces the Integration Rod (convex side towards Folding Mirror).
6. Secure the lens container with the adjustment screw (reference 5 Image 10-10). Place a spring and a plain
washer (reference 4 & 3 Image 10-10) on the adjustment screw. Use a 5.5mm nut driver.
7. Close the Light Pipe housing. See procedure “Installing the Light Pipe cover plate”, page 123.
The Light Pipe zoom lens needs readjustment after replacement. See procedure “Adjusting the
Light Pipe lens No3 (zoom lens)”, page 126
10.7 Replacing Light Pipe lens No4
To replace the Light Pipe lens No4 the Light Processor has to be removed. This procedure assumes
that the Light Processor is already removed.
Required tools
• Cotton gloves. (never use gloves that leave particles on the surfaces)
• 2.5mm Allen wrench.
• 1.5mm Allen wrench.
How to replace the Light Pipe lens No4?
1. Remove the three fixation screws (reference 1 Image 10-12) of the lens container. Use a 2.5mm Allen wrench.
2. Remove the lens container from the Corner Block as illustrated in Image 10-12.
Light Pipe