PIPER PA-25-235/260 Pawnee
Piper PA-25 Pawnee · Checklist
Overview
This document is a parts catalog for the Piper PA-25-235 and PA-25-260 Pawnee aircraft. It provides detailed information on various components, including part numbers and descriptions for items such as mufflers, shrouds, carburetor heat components, and engine mounts. The catalog is intended for maintenance personnel and aircraft owners who need to identify and order parts for these specific models. It includes information on applicable airworthiness directives (ADs) and inspection requirements, ensuring that users can maintain their aircraft in compliance with safety regulations.
- Part numbers for key components like mufflers and shrouds are provided for easy reference.
- AD 67-14-07 requires exhaust system inspections every 50 hours of operation.
- AD 95-12-01 mandates inspections of the wing forward spar every 24 months.
- The muffler must have inner flame tubes attached to be considered serviceable.
- D Model Aircraft have specific features like wing tip tanks.
Document
Source
Originally published by www.acornwelding.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Checklist
- Year
- 2010
- Pages
- 1
- File size
- 188 KB
- Publisher
- www.acornwelding.com
Common. Rarer than 24% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the Piper PA-25 Pawnee.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
Free — save the PIPER PA-25 Pawnee to your watchlist and track it in one place.
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In this document
Usable On Codes
The document lists usable codes for parts applicable to the Piper PA-25-235 and PA-25-260 models, indicating the capabilities of Acorn to overhaul and install STC reinforcements.
Parts List
A comprehensive list of parts is provided, including mufflers, shrouds, carburetor heat components, and clamps, with specific part numbers for each item.
Airworthiness Directives (ADs)
The document outlines specific ADs applicable to the PA-25 models, including AD 67-14-07, which requires inspections of the exhaust system every 50 hours, and AD 95-12-01, which mandates inspections of the wing forward spar fuselage attach cluster every 24 months.
Inspection Requirements
Inspection requirements for various components are detailed, including checks for cracks, corrosion, and other potential issues that could affect safety and performance.
Safety notes
- Inspect the Y-joint at the aft cylinder stack for cracks.
- Inspect tail pipes for internal pitting and wall thickness, especially at the outside radius.
- This part has a hot area at the elbow; inspect for black flaking metal and bulges.
Full document text
Usable On Codes A: Acorn has capabilities to overhaul your STC system flange up like new to exhaust STC holders B: Acorn can install STC reinforcements as an alternate means of compliance to AD 95-12-01 PIPER PA-25-235/260 Pawnee Item Code Part Number Description A B 753-753 MUFFLER 64074- 00 SHROUD 64451-000 SHROUD 64879-000 SHROUD 60350-003 STACK D MODEL RH 6 1/2” 64039-003 STACK RIGHT HAND 5 1/2” 60350-002 STACK D MODEL LH 6 1/2” 64039-002 STACK LEFT HAND 5 1/2” 64167-007 CARB HEAT TOP 64439-004 CARB HEAT TOP 64439-008 CARB HEAT TOP 64439-010 CARB HEAT TOP 64167-003 CARB HEAT BOTTOM 64439-005 CARB HEAT BOTTOM 64170-000 TAILPIPE 14235-008 CLAMP EXHAUST STACKS 64092-000 CLAMP TAILPIPE 64073-000 SHROUD CLIP 77611 GASKET SA-4079NM STRAIGHT PIPE STC 64040-000 CARB AIR BOX 64862-000 CARB AIR BOX 64030-000 ENGINE MOUNT J-3804-20 SHOCK MOUNT SA01154AT WING ATTACH FITTINGS 753-753 MUFFLER 64074- 00 SHROUD 64451-000 SHROUD 64879-000 SHROUD 60350-003 STACK D MODEL RH 6 1/2” 64039-003 STACK RIGHT HAND 5 1/2” 60350-002 STACK D MODEL LH 6 1/2” 64039-002 STACK LEFT HAND 5 1/2” 64167-007 CARB HEAT TOP 64439-004 CARB HEAT TOP 64439-008 CARB HEAT TOP 64439-010 CARB HEAT TOP 64167-003 CARB HEAT BOTTOM 64439-005 CARB HEAT BOTTOM 64170-000 TAILPIPE 14235-008 CLAMP EXHAUST STACKS 64092-000 CLAMP TAILPIPE 64073-000 SHROUD CLIP 77611 GASKET SA-4079NM STRAIGHT PIPE STC 64040-000 CARB AIR BOX 64862-000 CARB AIR BOX 64030-000 ENGINE MOUNT J-3804-20 SHOCK MOUNT SA01154AT WING ATTACH FITTINGS 0 1 2 2 2 3 3 4 4 5 5 5 5 6 6 7 8 9 10 - 11 - - - - - SN 25-2000 25-2555 SN 25-2556 25-4171 SN 25-4172 25-5499 SN 25-5500 and on SN 25-2000 25-2555 SN 25-2556 and on SN 25-2000 4171 SN 4172 and on SN 25-4172 and up SN 25-2556 25-4171 SN 25-2000 25-2555 AD 67-14-07 Applies to S/N's 25-2000 thru 25-4171 Inspect exhaust system for cracks, burn-through, weld separations and failed baffles. Inspect lower engine mount in area near exhaust stack for burned paint and rust. Inspection required every 50 hrs of operation. AD 95-12-01 Applies to all S/N's. Inspect wing forward spar fuselage attach cluster for damage. Dye penetrant and ultrasonic inspect the wing forward spar fuselage attach fitting assembly for corrosion and cracks. Inspection required every 24 months of operation. Cluster maybe replaced every 5 years as an alternative to the repetitive inspections. 7 1 3 4 5 6 9 8 2 8 10 5.5” or 6.5” 11 The muffler must have inner flame tubes still attached to be serviceable. Inspect the Y-joint at the aft cylinder stack for cracks. Inspect muffler for blisters or bulges under heat shroud. Inspect tail pipes for internal pitting and wall thickness especially at the outside radius, which is the thin section, and at support bracket. D Model Aircraft have Wing Tip Tanks. This part has a hot area at the elbow. Inspect this area for black flaking metal and bulges. Exhaust Systems Engine Mounts Carb Air Boxes Shrouds Seats Piston Turbine Radial Vintage And More... L E L N E C C E X E (toll free) 1-888-388-8803 1-780-447-5955 Fax: 1-780-447-5980 sales@acornwelding.com parts@acornwelding.com www.acornwelding.com (toll free) 1-888-388-8803 1-780-447-5955 Fax: 1-780-447-5980 sales@acornwelding.com parts@acornwelding.com www.acornwelding.com ©2010 Acorn Welding Ltd.