Final System Checks
50
Document No. PEXPERTIM - Rev. 1 - Release Date: May 2007
(Continued)
____ 7. Pushbutton exposure switch - Verify that the pushbutton switch
in the face of the operator controls is functioning properly.
____ 8. Coil-cord exposure switch - If the coil-cord switch is used,
inspect the switch housing and coiled cord for damage or wear.
Replace if evidence of damage is present.
____ 9. Exposure Indicators - Make several exposures and verify that the
Radiation Indicator Lamp illuminates and the audible signal is
heard.
____ 10. Premature Termination - Select an exposure of 2 seconds using
the manual adjustment buttons. Initiate an exposure, but release
the exposure switch after a brief period of time before the timer
terminates the exposure. Verify that exposure terminates
immediately upon release of the exposure switch.
____ 11. X-ray Beam Size - Position the cone of the Tubehead directly
onto a panoramic film or several occlusal films taped together.
Process the film and verify that the resulting image is containable
in a 6 cm circle.
____ 12. Check that the arms are evenly balanced and that all movements
are smooth and quiet. Verify that the Horizontal Arm and the
Articulated Arm do not drift. Refer to Technical Bulletin 002 for
the adjustment and maintenance procedures for the Horizontal
Arm and Articulated Arm.
____ 13. Information for the User - Make certain that the User of the
system has received a copy of the User Manual.
Note! To avoid any potential hazard to operators or patients, any unusual operation
or problems with mechanical functions that cannot be eliminated at
installation should be reported to Gendex immediately.
If problems are found, refer to the Technical Service Manual
(PEXPERTTM) for:
• Horizontal Arm and Articulated Arm adjustment and maintenance
procedures
• Tubehead adjustment procedure
• Troubleshooting information
• Electrical block diagram
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