MAINTENANCE TYPE B (perform every three months)

The 3 month maintenance actions, listed below, may be performed by a trained projectionist who is familiar with potential hazards associated with the product.

No.	Maintenance action	Remarks
1	Clean the air vents/inlets of the projector: air inlet grid on the projector front cover (Card Cage compartment). air inlet grid on the projector rear cover (LPS compartment). air inlet grid of the LPS units (underneath the rear cover). air inlet grid of the Cold Mirror and SPG unit (bottom rear side of the projector). air inlet grid of the Heat Exchanger (bottom front side of the projector).	Use a vacuum cleaner.
2	Clean the cabinet of the projector.	Removal overall dust accumulation on projector covers.
3	Level verification of the liquid cooling circuit.	The level of the cooling liquid in the reservoir should be between the “Min” and “Max” indicators. If not, corrective action should be taken by certified service personnel. See service manual chapter "Filling the liquid cooling circuit".

No.

Maintenance action

Remarks

Clean the air vents/inlets of the projector:

air inlet grid on the projector front cover (Card Cage compartment).
air inlet grid on the projector rear cover (LPS compartment).
air inlet grid of the LPS units (underneath the rear cover).
air inlet grid of the Cold Mirror and SPG unit (bottom rear side of the projector).
air inlet grid of the Heat Exchanger (bottom front side of the projector).

Use a vacuum cleaner.

Clean the cabinet of the projector.

Removal overall dust accumulation on projector covers.

Level verification of the liquid cooling circuit.

The level of the cooling liquid in the reservoir should be between the “Min” and “Max” indicators. If not, corrective action should be taken by certified service personnel. See service manual chapter "Filling the liquid cooling circuit".