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POWER WINDOWS

POWER WINDOWS. COMPONENTS. Master Switch Individual Switch Drive Motors Rack and Pinion Flexible Strip Safety Switch Window Regulator. NORMALLY OPEN SWITCH. NORMALLY CLOSED SWITCH. DRIVE MOTORS. Permanent Magnet Two Field Winding Motor TAPE DRIVE Cable Drive. DIRECT DRIVE MOTOR .

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POWER WINDOWS

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  1. POWERWINDOWS

  2. COMPONENTS • Master Switch • Individual Switch • Drive Motors • Rack and Pinion Flexible Strip • Safety Switch • Window Regulator

  3. NORMALLY OPEN SWITCH

  4. NORMALLY CLOSED SWITCH

  5. DRIVE MOTORS • Permanent Magnet • Two Field Winding Motor • TAPE DRIVE • Cable Drive

  6. DIRECT DRIVE MOTOR

  7. WINDOW REGULATORAssist Up Spring

  8. WIRING CIRCUITS

  9. DIAGNOSE IT RIGHT THE FIRST TIME • Think about the circuit you are diagnosing. • Get a plan of action through reasoning • Use the Schematic of the System

  10. DIAGNOSIS • Broken Wire in Jamb • Sluggish Operation • Excessive Voltage Drop • Jumper Leads • Binding Linkage

  11. Check Switch Operation

  12. Check for Power at Motor

  13. Component Replacement • Safety First!! • Cleanliness • Make sure diagnosis is correct. • Verify diagnosis before motor replace • Verify Repair (Is problem taken care of?)

  14. DEMONSTRATION

  15. SHOP EXERCISE

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