New Articles

  1. SL-233 Piper Fuel Selector Valve

    The new Fuel Selector Valve, part number 11383-04, should be used for all service replacements and all new installations on Piper PA-18, PA-20 and PA-22 airplanes equipped with two wing fuel tanks.
  2. SL-196 Piper PA-18/18A Chafing of Oil Pressure Line

    Discovery of sufficient chafing between the oil pressure line and the oil radiator line to cause wear, with the possibility that in time the oil pressure line might develop a leak.
  3. SL-213 Piper Primer Lines

    To prevent excessive wear of the primer line, resulting in fuel leakage and possible cabin fire, it is recommended that primer lines be clamped and/or re-routed per the sketch included with this letter.
  4. SL-351 Piper Lubrication of Fuel Selector Valves

    Instructions for applying the recommended fuel valve lubricant in the listed Piper models.
  5. SL-828 Piper PA-18 Electrical System Refinement

    Materials and instructions for replacing overvoltage relay and starter power relay in the PA-18 electrical system.
  6. SL-283A Piper Inspection Forms - 100, 500 and 1000 Hour

    To facilitate the inspection of Piper airplanes in the field, the Service Department has made up 100, 500 and 1000 hour inspection forms for Piper PA-18, PA-18A, PA-22, PA-23 and PA-24 models.
  7. SL-486A Piper Cylinder Head Temperature Probe Location

    The following listing denotes the location of the Cylinder Head Temperature Probe for Piper aircraft.
  8. SL-608 Piper Ceconite Aircraft Covering

    Contains the Ceconite Application, Maintenance and Repair Procedures for Piper PA-18 and PA-25 models.
  9. SL-944 Piper Fuel Selector Valve Inspection and Lubrication

    An improperly maintained three-position fuel selector valve could become difficult to rotate; this could result in damage to the selector lever mechanism and/or inability to switch tanks.
  10. SB-117B Piper PA-20/PA-22 Chafing of Master Switch Wires

    Immediate inspection of clearance between the aileron cable and the master switch wires (from the master switch to the ammeter).