Replacing Or Refilling The Coolant - Christie 4K40-RGB Series Service Manual

Replacing or refilling the coolant

4K40-RGB Series projectors rely on liquid coolant to maintain the laser optical subsystem at the
required operating temperatures. This section provides service instructions and safety precautions for
filling the reservoir unit and handling coolant.
Caution! If not avoided, the following could result in minor or moderate injury.
• Use protective eye wear and gloves. Follow workplace guidelines for using personal protective
equipment when installing, cleaning, and servicing the product.
Notice. If not avoided, the following could result in property damage.
• Do not attempt to fill the coolant reservoir when it is installed in the projector chassis.
• Fill the coolant to the recommended level only. Do not fill above the maximum level line shown
on the reservoir unit.
1. Remove the coolant reservoir (on page 50).
2. Ensure the coolant reservoir unit is placed on a separate surface.
3. Use a flat-head screwdriver to open the top cap on the reservoir fill port.
4. Pour the required coolant (Koolance LIQ-740PR P/N: 003-005179-XX) into the fill port.
Fill only to the recommended level.
5. Replace the top cap on the reservoir fill port.
6. Using the flat-head screwdriver, tighten the top cap to seal it.
7. Use a soft cloth to wipe away any coolant that drips outside the reservoir.
8. Reinstall the coolant reservoir in the projector.
4K40-RGB Series Service Guide–D4K40-RGB, Roadie 4K40-RGB, Mirage 4K40-RGB
020-102960-02 Rev. 1 (12-2019)
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Service setups
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