3. Vacuum loose dirt from the lamp blower impeller.
4. if necessary, use a soft brush dampened with hot water.
Or, fold a clean microfiber cloth and dampen with methanol and wipe evenly with the smooth
portion of the cloth that has no folds or creases. Do not apply finger pressure. Use the
solution in the cloth to collect the dirt.
Inspecting and cleaning the fan extrator
A clogged fan extractor can reduce air flow and lead to overheating and lamp failure.
Check: Every 6 months
Notice. Failure to comply with the following may result in property damage.
•
Do not touch or bend the impeller blades. Do not loosen the balancing weights.
1. Shut down the projector (on page 39).
2. Remove the front top cover (on page 40).
3. Remove the rear top cover (on page 42).
4. Remove three screws securing the fan extractor.
5. Vacuum loose dirt from the fan extractor.
6. if necessary, use a soft brush dampened with hot water.
Or, fold a clean microfiber cloth and dampen with methanol and wipe evenly with the smooth
portion of the cloth that has no folds or creases. Do not apply finger pressure. Use the
solution in the cloth to collect the dirt.
7. To reinstall the fan extractor repeat steps 2 to 4 in reverse order.
Inspecting and filling the coolant reservoir
The liquid cooling module (LCM) circulates coolant through the digital micromirror device (DMD) heat
sinks.
The coolant level should remain above the minimum level indicator and free from particulate and/or
fogginess.
Check: Every 6 months
Warning! Failure to comply with the following could result in death or serious injury.
•
HAZARDOUS SUBSTANCE! Use caution when handling the product as it contains propylene
glycol. Do not ingest coolant.
1. Remove the liquid cooling reservoir (on page 54).
2. Refill the coolant.
Note the following:
•
Always use Christie approved coolant propylene glycol 740 (P/N: 003-005179-XX).
•
Never overfill the reservoir beyond the top of the window.
•
Use caution not to spill or let any of the coolant drip on or near the electronics.
•
The coolant color may fade over time, however this does not impact the ability of the
coolant to exchange heat.
Service guidelines
Roadie 4K35 and 4K45 Service Manual
17
020-101694-03 Rev. 1 (01-2016)
Copyright
©
2016 Christie Digital Systems USA Inc. All rights reserved.
