8. Maintenance8. MAINTENANCEAbout this chapterThis chapter contains information about the timing of maintenance tasks and it includes details about the maintenance proceduresthat can be performed by the operator or by qualified technical service personnel. Contact a Qualified Product Specialist or QualifiedProduct Expert for the maintenance tasks that need to be performed by them.Overview• Maintenance timing• Visual checks• Cleaning housing and mechanical structure• Cleaning the projection lens• Checking the cooling liquid level• Lamp replacement8.1 Maintenance timingCheck on first use of a projectorBefore you power on the projector for the very first time, it is required to perform some checks.Description To be performed byVisually check the projector housing on damage OperatorVisually check the projector support on damage or wear OperatorVisually check the projection lens housing on damage OperatorVisually check the projection lens on dust or stains: clean if required OperatorVisually check all air inlet grids: vacuum clean if dust is present OperatorVisually check all cables and connectors on damage OperatorCheck the cooling liquid level: add cooling liquid if the reservoir is not full Qualified Product SpecialistTime dependent maintenanceSome maintenance tasks must be performed on a regular time base.Frequency Maintenance task description To be performed byVisually check the projector housing on damage OperatorVisually check the projector support on damage or wear OperatorVisually check the projection lens housing on damage OperatorWeeklyDisplay different test patterns and check the projected image OperatorVisually check the projection lens on dust or stains: clean if required OperatorMonthlyVacuum clean all air inlet grids OperatorEvery three months (In case of the smaller cooling liquid reservoir) Check the coolingliquid level: add cooling liquid if the reservoir is not fullQualified Product Specialist(In case of the larger cooling liquid reservoir) Check the cooling liquidlevel: add cooling liquid if the reservoir is not fullQualified Product SpecialistMake a backup of the projector using Projector Support tool Qualified Product SpecialistEvery six monthsVisually check all cables and connectors on damage OperatorClean the projector covers OperatorClean the projector lens housing OperatorEvery yearEvaluate the brightness: clean optics if required Qualified Product ExpertR59770288 GALAXY NW-12, GALAXY NW-7 20/06/2013 189
