Piper PA-25

SA MISC/TP-1000 Piper Replacing Brake Drum Flange on Wheel Assembly

04/12/2022Univair
Procedures for replacing brake drum flanges on PA-22, PA-23, PA-24 and PA-25 wheel assemblies.

SA MISC/TP-1001A Piper Engine Mounting

04/12/2022Univair
Tightening engine mounting bolts to obtain a torque of (40) inch pounds.

SA MISC/TP-1004 Piper Servicing Air Filter with Paper Cartridge

04/12/2022Univair
Servicing instructions for the carburetor air filter with paper cartridge.

SB P-2 Univair Inspection of Landing Gear Hydrasorb Shock Struts

10/04/2021Univair
Procedure for examining both left and right Univair hydrasorb (U486-604-1) for any possible cracks or irregularities.

SB-305 Piper Inspection of Carburetor Drain Plugs

04/13/2022Univair
Instructions for compliance with Marvel-Schebler Division Bulletin No. A1-69.

SB-528D Piper Wing Lift Strut Inspection

04/13/2022Univair
Revises compliance time, purpose, and instructions for inspection and/or replacement of wing lift strut assembly. Also announces the availability of new sealed lift struts.

SB-771 Piper Parking Brake Application

04/13/2022Univair
Installation of a placard on the Pilot's instrument panel warning against using improper procedures in applying the parking brake.

SL-100 Univair Stamped Piper Aluminum Rib Field Repair Process

04/13/2022Univair
Outlines the repair of Univair STC'd Stamped Ribs in accordance with the original STC and FAA Advisory Circular AC 43.13-1B.

SL-161 Piper "Duraclad" Finish

04/12/2022Univair
Inquiries relative to the new "Duraclad" finish on our 1951 Model airplanes.

SL-169 Piper Manifold Pressure Gauge Installation

04/12/2022Univair
Remedy for manifold pressure gauges installed in 1951 model airplanes giving unsatisfactory service.

SL-349 Piper Adjustment of Engine Support Bushings

04/12/2022Univair
Per Lycoming Division of Avco Corporation, it is permissible to use a torque value of 40 inch pounds to provide adequate tightness to maintain proper engine support in lieu of the linear dimension as previously specified.

SL-486A Piper Cylinder Head Temperature Probe Location

04/12/2022Univair
The following listing denotes the location of the Cylinder Head Temperature Probe for Piper aircraft.

SL-608 Piper Ceconite Aircraft Covering

04/12/2022Univair
Contains the Ceconite Application, Maintenance and Repair Procedures for Piper PA-18 and PA-25 models.

SM-28 Piper Miscellaneous FAA Field Approvals

04/13/2022Univair
The following installations have been FAA approved in the field. The party securing the approval is also listed.

VSP-62 Piper Inspection of Impulse Coupling Cam Assemblies

04/13/2022Univair
Addresses a potential for impulse coupling failure, which can result in total loss of engine power.