Lesson 1: Perform Preventive Maintenance Checks and Services on the Inter-Oral Dental X-Ray - Dental X-Ray UnitsFigure 1-1. Portaray system and its major components. - Dental X-Ray UnitsForms and Equipment Required for Preventive Maintenance Checks and Services - Dental X-Ray UnitsPerform PMCS on a Field Dental X-Ray Unit - Dental X-Ray UnitsFigure 1-2. Product label placement. - Dental X-Ray UnitsQuarterly Preventive Maintenance Checks and Services - Dental X-Ray UnitsQuarterly Preventive Maintenance Checks and Services-cont. - Dental X-Ray UnitsFigure 1-3. Rotation adjustment, step 1. - Dental X-Ray UnitsFigure 1-7. Open-end wrench 13mm--`1/2 inch. - Dental X-Ray UnitsFigure 1-8. Multimeter connections for power supply adequacy test. - Dental X-Ray UnitsAdjust the line compensation switch - Dental X-Ray UnitsFigure 1-9. Tube head current verification. - Dental X-Ray UnitsDaily Preventive Maintenance Checks and Services. - Dental X-Ray UnitsMechanical Damage. - Dental X-Ray UnitsExercises, Lesson 1 - Dental X-Ray UnitsExercises, Lesson 1-cont. - Dental X-Ray Units - MD03610021Exercises, Lesson 1-cont. - Dental X-Ray Units - MD03610022Exercises, Lesson 1-cont. - Dental X-Ray Units - MD03610023Solutions to Exercises, Lesson 1 - Dental X-Ray UnitsLesson Assignment - Dental X-Ray Units - MD03610025Lesson 2: Perform Verification/Calibration of the Inter-Oral Dental X-Ray - Dental X-Ray UnitsFigure 2-1. Calibration parameters. - Dental X-Ray UnitsFigure 2-3. Cooling curve for the tube housing. - Dental X-Ray UnitsVerifying Adequacy of the Power Supply - Dental X-Ray UnitsFigure 2-6. Digital voltage meter calibration. - Dental X-Ray UnitsVerify/Calibrate Exposure Time - Dental X-Ray UnitsFigure 2-7. Pcb D3. - Dental X-Ray UnitsFigure 2-8. Mechanical counter test points. - Dental X-Ray UnitsFigure 2-10. Pulse count adjustment. - Dental X-Ray UnitsExercises, Lesson 2 - Dental X-Ray UnitsExercises, Lesson 2-cont. - Dental X-Ray UnitsSolutions to Exercises, Lesson 2 - Dental X-Ray UnitsLesson Assignment - Dental X-Ray Units - MD03610038Lesson 3: Isolate Malfunctions to Module Level in the Inter-Oral Dental X-Ray - Dental X-Ray UnitsFigure 3-3. Transformer outlet (115v). - Dental X-Ray UnitsFigure 3-4. X-ray head. - Dental X-Ray UnitsFigure 3-5. Scissors arm. - Dental X-Ray UnitsThe Heliodent 70 Functioning - Dental X-Ray UnitsFigure 3-7. Theory of principles of operation--logic block diagram. - Dental X-Ray UnitsFigure 3-9. Transformer peak voltage doubling. - Dental X-Ray UnitsExposure (Current Path). - Dental X-Ray UnitsFigure 3-10. Schematic Heliodent 70 with dentotime. - Dental X-Ray UnitsSwitching Relay AR. - Dental X-Ray UnitsDigital Voltmeter "P" Printed Circuit Board D3. - Dental X-Ray UnitsLine Voltage Indication and Over Voltage Exposure Interruption Printed Circuit Board D5. - Dental X-Ray UnitsFigure 3-12. Pcb D5 schematic. - Dental X-Ray UnitsFigure 3-13. Pcb D5. - Dental X-Ray UnitsIsolate Troubleshooting Alert Malfunctions - Dental X-Ray UnitsIsolate Mechanical Malfunctions - Dental X-Ray UnitsIsolate Other Malfunctions - Dental X-Ray UnitsIsolate Other Malfunctions-cont. - Dental X-Ray UnitsFigure 3-16. No X-rays emitted from tube head - Dental X-Ray UnitsFigure 3-18. Electrical measurement. - Dental X-Ray UnitsExercises, Lesson 3 - Dental X-Ray UnitsExercises, Lesson 3-cont. - Dental X-Ray Units - MD03610060Exercises, Lesson 3-cont. - Dental X-Ray Units - MD03610061Solutions to Exercises, Lesson 3 - Dental X-Ray UnitsLesson Assignment - Dental X-Ray Units - MD03610063Lesson 4: Remove and Replace Defective Modules in the inter-Oral Dental X-Ray - Dental X-Ray UnitsFigure 4-1. Scissors arm assembly. - Dental X-Ray UnitsFigure 4-2. Scissors arm cabling fitting, part one. - Dental X-Ray UnitsFigure 4-3. Scissors cabling arm fitting, part two. - Dental X-Ray UnitsPrepare to remove cabling from scissors arm number two. - Dental X-Ray UnitsFigure 4-4. Scissors cabling arm fitting, part three. - Dental X-Ray UnitsFigure 4-5. Scissors cabling arm fitting, part four. - Dental X-Ray UnitsReplace old cabling with new cabling. - Dental X-Ray UnitsFigure 4-6. Scissors cabling arm fitting, part five. - Dental X-Ray UnitsFigure 4-7. Scissors cabling arm fitting, part six. - Dental X-Ray UnitsPlace longeron (cover) - Dental X-Ray UnitsRemoving and Replacing Rotational Parts - Dental X-Ray UnitsFigure 4-9. X-ray head removal, part two. - Dental X-Ray UnitsReassemble Parts in Reverse Sequence. - Dental X-Ray UnitsFigure 4-12. X-ray head reassembly, part two - Dental X-Ray UnitsExchanging the Printed Circuit Boards - Dental X-Ray UnitsFigure 4-15. Carrying case gasket. - Dental X-Ray UnitsExercises, Lesson 4 - Dental X-Ray UnitsExercises, Lesson 4-cont. - Dental X-Ray Units - MD03610082Exercises, Lesson 4-cont. - Dental X-Ray Units - MD03610083Solutions to Exercises, Lesson 4 - Dental X-Ray UnitsDental X-Ray Units
