155R5905753 /17 DPxK-19B/23B/P
11.5 Check cooling liquid level
What should be done ?
The projector is liquid cooled. It is important that the liquid level is checked at regular intervals. We advise to
check every 3 months. The liquid level must be between Min. and Max. Significant drop in liquid level indicates
a major leakage and requires immediate attention.
How to check
1. Remove the left side cover (Light Processor side). see “Removal of the side cover”, page 144.
2. Check the liquid cooling level in the reservoir.
Image 11–5 Cooling liquid check
If the current liquid cooling level is somewhere between Min and Max, then no action should be taken.
If the current liquid cooling level is approaching the Min level point, than check for leakage in the cooling
system prior starting the refill procedure.
If you cannot see the level, open the filler cap and shine a torch into the reservoir
11.6 Cooling liquid refill
WARNING: This procedure may only be performed by qualified technical service personnel.
Order info cooling liquid
B1909086K : bottle of 1 liter cooling liquid.
Required parts
Cooling liquid
How to refill
1. Remove the side cover, see “Removal of the side cover”, page 144.
2. Open the filler cap by turning it anti clockwise.
Maintenance
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