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Pinpoint Test D: The Convertible Top Hydraulic System

  1. D1 CHECK THE FLUID LEVEL 
    NOTE: The fluid level should be even with the bottom of the filler plug hole.
    NOTE: Place an absorbent cloth below the filler plug when checking the fluid level.
    • Remove the filler plug and check the fluid level.
    • Is the fluid level OK? 
    1. Yes:  GO to  D3.
    2. No:  GO to D2.
  2. D2 CHECK THE HYDRAULIC SYSTEM FOR LEAKS 
    • Inspect all fittings and hoses for leaks.
    • Are any leaks noticed? 
    1. Yes:  REPAIR the leaking fittings or INSTALL new hoses as necessary. TEST the system for normal operation.
    2. No:  GO to D3.
  3. D3 BLEED THE HYDRAULIC SYSTEM 
    • Bleed the hydraulic system. Refer to SYSTEM BLEEDING .
    • Does the system operate correctly after bleeding? 
    1. Yes:  OPERATE the convertible top up and down three times. INSPECT the hydraulic system for leaks or loss of fluid. REPAIR as necessary if loss of fluid is detected.
    2. No:  GO to D4.
  4. D4 CHECK THE CONVERTIBLE TOP 
    1. Yes:  ADJUST the convertible top. INSTALL the hydraulic system. REFER to HYDRAULIC SYSTEM, LIFT CYLINDER AND MOTOR . TEST the system for normal operation.
    2. No:  GO to D5.
  5. D5 CHECK THE HYDRAULIC SYSTEM OUT OF THE VEHICLE 
    • Bleed the hydraulic system. Refer to SYSTEM BLEEDING .
    • Does the system operate correctly after bleeding? 
    1. Yes:  CHECK all fittings and hoses for leaks. REPAIR as necessary if loss of fluid is detected. INSTALL the hydraulic system. REFER to HYDRAULIC SYSTEM, LIFT CYLINDER AND MOTOR . TEST the system for normal operation.
    2. No:  GO to D6.
  6. D6 CHECK THE LIFT CYLINDERS 
    • Operate the hydraulic system using a 12 volt power source.
    • Did the lift cylinders extend and retract? 
    1. Yes:  INSTALL a new motor/pump assembly. REFER to HYDRAULIC SYSTEM, LIFT CYLINDER AND MOTOR . TEST the system for normal operation.
    2. No:  INSTALL a new lift cylinder. REFER to HYDRAULIC SYSTEM, LIFT CYLINDER AND MOTOR . TEST the system for normal operation.
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