Updated Articles

  1. VSP-204 Piper Greasing Wheel Bearings on Cleveland Wheels

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 All Models
    Emphasizes proper wheel bearing greasing procedures.

  2. VSP-119 Piper Oil Filter Change and Screen Cleaning

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 All Models
    Instructions for filter replacement or pressure screen cleaning for new, remanufactured, or newly overhauled engines and for engines with any newly installed cylinders.

  3. VSP-100 Piper Defective Diagrams in Master Cylinder

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Information on replacing an existing diaphragm suspected to be defective in master brake cylinders installed in listed Piper aircraft models.

  4. VSP-98 Piper Reference Lycoming SB No. 486

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-18
    Pertains to the inspection of the Single Belt Driven Ring Gear Support Assembly as installed on the affected aircraft above.

  5. VSP-62 Piper Inspection of Impulse Coupling Cam Assemblies

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    Addresses a potential for impulse coupling failure, which can result in total loss of engine power.

  6. VSP-30 Piper Impulse Coupling Inspection

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 All Models
    The attached publications may affect Bendix equipment installed in Piper airplanes.

  7. VSP-5 Piper Use of Alternate Aviation Grade Fuels

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 All Models
    Use of alternate aviation grade fuels in engines originally certificated on 80/87, 91/96 and 100/130 grade fuels.

  8. VSP-1 Lycoming Oil Pump Impeller and Drive Replacement

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 All Models
    Replacing the oil pump drive shaft and drive impeller in select Lycoming engines.

  9. SM-76 Piper Suggested Refinishing Procedures for Synthetic Fibers

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 All Models
    Refinishing procedure for airplanes covered with synthetic cloth.

  10. SM-73 Piper PA-22 Nose Wheel Oleo Boot Assembly

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-22
    Installation of this boot will reduce the possibility of moisture accumulating between the oleo assembly and the oleo housing.
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