Barco Galaxy NH-12, Installation Manual

Page: 11 / 54

3. Engine replacement
3. ENGINE REPLACEMENT
Overview
• Preparing the projector
• Removing the engine
• Replacing with the new engine
• Alignment procedure
3.1 Preparing the projector
3.1.1 How to prepare the projector before replacing?
Overview
1. Shift the lens holder to nominal position. See "Shifting the lens holder to nominal position", page 7.
2. Leave the projector to cool down
3. Power down the projector
4. Unplug the power cord from the wall outlet
3.1.2 Shifting the lens holder to nominal position
Overview
• Removing the cable basket
• Removing the rear cover
• Removing the top cover
• Procedure to shift the lens holder to nominal position
Description
The nominal position of the lens holder is the position of no vertical shift and no horizontal shift. This is on-axis projection where the
projection lens center is coincident with the image center.
The lens need to be shifted to nominal position in order to reach the screws fi xing the engine to the lens holder.
Steps to follow:
1.
remove the cable basket
2. remove the rear cover
3. remove the top cover
4. shift the lens holder
3.1.2.1 Removing the cable basket
Necessary tools
No tools.
How to remove the cable basket?
1. Push the metal joggle to the front side of the projector
R59770591 ENGINE KIT 26/08/2010 7