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11. Maintenance
11.6 Pressure verification of the liquid cooling circuit
CAUTION: The pressure of the liquid cooling circuit should be checked regularly. This pressure, indicated on
the internalmanometer, should be between 0,5 and 1 bar. If not, corrective action should be taken by qualified
technical service personnel.
How to check the pressure of the liquid cooling circuit inside the projector ?
1. Remove the side cover ( light processor side) of the projector.
2. Look through the small window, which is provided on the security cover of th e light processor and check the pressure indicated
on the internal manometer of the liquid cooling circuit.
Tip: Use a flashlight.
Image 11-7
3. This pressure should be b etween 0,5 and 1 bar. If the pressure, indicated on the m anometer, is out of range, inform the respon-
sible and qualified technicians, so they may take necessary corrective action.
4. Reinstall the side cover of the p rojector.
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R59770091 DP-1500 06/01/2009