6. Lamps and lamp houses
6.10 Replacement of the lamp reflector
Lamp reflector assembly
The re flector of the lamp has three major parts. One m ounting plate, one spheric glass mirror and one elliptic glass mirror. Both
mirrors are glued on the mounting plate and are perfectly aligned with eac h other. The mounting plate serves also as a reference
plate between the reflec tor and the projector optics. The mounting plate has two positioning pins which ensure a correct alignment
of the reflector assem bly with r espect to the projector once the lamp house is inserted in the projector.
1
2
3
4
Image 6-39
1 Positioning pin.
2 Mounting plate.
3 Spheric glass mirror.
4 Elliptic glass m irror.
This procedu re assumes that there is no lamp installed inside the lam p house. If so, see procedure "Removal
of the xenon lamp", page 98.
CAUTION: Do not touch the glass of the reflector assembly while unpacking and installing. Hold fast the
reflector assembly by its metal mounting plate.
Necessary tools
• Two 17 mm open-end wrenches.
• Torque wrench with 17 mm hexagon s ocket.
• 2,5 mm Allen wrench.
How to replace the reflector of the lamp house?
1. Remove the s ide cover of the lamp house by releasing the two r etaining thumbscrews as illustrated.
Image 6-40
2. Disconnect one end of the cathode wire from the lamp house as illustrated. Us e two open-end wrenches to release the nuts.
Tip: Place the washers and nuts back on the s ocket.
118
R5905043 DP2K-12C/11CX 19/02/2018
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