-
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.
-
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.
-
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.
-
Instructions for applying the recommended fuel valve lubricant in the listed Piper models.
-
Materials and instructions for replacing overvoltage relay and starter power relay in the PA-18 electrical system.
-
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.
-
The following listing denotes the location of the Cylinder Head Temperature Probe for Piper aircraft.
-
Contains the Ceconite Application, Maintenance and Repair Procedures for Piper PA-18 and PA-25 models.
-
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.
-
Immediate inspection of clearance between the aileron cable and the master switch wires (from the master switch to the ammeter).