Maintenance and Service 6-76.2 Maintenance proceduresWarning: Do not attempt to service or repair the internal Echomechanisms yourself. The electrical, laser, and mechanical systems must bemaintained by trained personnel. Other than the user-level maintenanceprocedures described in this chapter, all service and repair must beperformed by Labcyte field engineers. If you have questions regarding whatmay be serviced by an Echo user, please call Labcyte Service and Support.See “Contact information” on page 7-1.6.2.1 Maintenance tools and materialsTools requiredThe following tools or items are required during Echo maintenanceprocedures: Metric Allen wrenches (2.5 mm, 3 mm and 4 mm) Phillips screwdriver (#2). Long needle-nose pliers Part retrieval tool (claw-style, retractable spring) Lint-free wipes Penlight flashlight Dental mirror Shop cloth to clean up spilled liquids. Compressed air or vacuum with brushMaterials requiredThe following materials are required during Echo maintenance procedures: Spare Labcyte 1000 mL bottle (square bottle catalog number ECHO-AL15-S; round bottle catalog number ECHO-AL-15-R) Algaecide, 4 mL bottle, Labcyte catalog number ECHO-AL04.Caution: When user-level or more technical maintenance proceduresare performed in a multiple-client system, take appropriate steps toavoid conflicts between clients, such as turning on MaintenanceMode in the Diagnostic window.