Service Bulletin TAT SB09-02
CESSNA 177 · Flight Manual
Overview
This Service Bulletin (TAT SB09-02) issued by Tornado Alley Turbo provides mandatory instructions for owners of Cessna 177RG aircraft equipped with specific turbonormalizing systems. The bulletin outlines necessary modifications to enhance engine performance and cooling during hot weather operations. It emphasizes the importance of compliance within a specified timeframe and details the technical requirements for reflowing the fuel injection servo to improve fuel flow and cooling margins. Additionally, it includes instructions for updating the Airplane Flight Manual Supplement to reflect new operating procedures and emergency protocols.
- Modification must be completed within 50 hours of issuance or by June 1, 2010.
- Applicable to Cessna 177RG with specific turbonormalizing systems installed before March 1, 2009.
- Fuel injection servo reflow is necessary to improve full power fuel flows.
- Engine magneto timing adjustments are specified for different engine models.
- New Airplane Flight Manual Supplement must replace the previous version dated 07/16/90.
Document
Source
Originally published by taturbo.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Flight Manual
- Year
- 2010
- Pages
- 2
- File size
- 108 KB
- Publisher
- taturbo.com
Specifications & performance
Extracted from this document.
Specifications
- Engine model
- IO-360-A1B6
Performance
- Fuel burn (gph)
- 6
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In this document
Compliance
The modifications outlined in this bulletin are mandatory and should be completed within 50 hours of issuance, at the next annual inspection, or by June 1, 2010, whichever comes first.
Effectivity
This bulletin applies to Cessna 177RG aircraft equipped with specific turbonormalizing systems installed prior to March 1, 2009. It does not apply to those updated to the Cardinal Cruiser™ System III.
Purpose
The purpose of this bulletin is to instruct owners to reflow the fuel injection servo to increase fuel flows, thereby improving engine cooling during climbs. It also provides a new Airplane Flight Manual Supplement with updated operating instructions.
Accomplishment Instructions
Instructions include removing the cowling and fuel injection servo, sending the servo for reflow, reinstalling it, adjusting engine timing, and updating placards and the Airplane Flight Manual Supplement.
Weight and Balance
There is no weight change associated with the modifications outlined in this bulletin.
Manpower Requirements
The modification process requires one mechanic and approximately 6 hours of labor.
Safety notes
- Failure to comply with this bulletin may affect engine performance and safety during flight.
Full document text
Service Bulletin TAT SB09-02 Issued: 01-20-10 Cessna 177RG w/ Turbonormalizer Installed per SA4081NM and SE4082NM COMPLIANCE MANDATORY: Tornado Alley Turbo considers this Service Bulletin to be MANDATORY. These instructions are effective as of the date of issue. Modification should be completed within the next 50 hours of the issuance of this bulletin, at next annual inspection, or prior to June 1, 2010, whichever comes first. EFFECTIVITY Cessna 177RG aircraft equipped with a General Aviation Modifications Inc. or earlier FliteCraft Turbo or Turbo 2000 Turbonormalizing System installed per STC SA4081NM and SE4082NM prior to March 1, 2009. This service bulletin does not apply to turbonormalized Cessna 177RG aircraft that have been updated to the Cardinal Cruiser™ System III configuration with more efficient turbocharger, intercooler, and larger oil cooler. APPROVAL General Aviation Modifications, Inc., the Turbonormalizing System STC holder, has approved all technical data in this Service Bulletin that affect the supplemental type design. PURPOSE The purpose of this Service Bulletin is to instruct owners of Turbonormalized Cessna 177RG Airplanes to have the fuel injection servo reflowed to increase full power fuel flows to improve climb cooling on the turbonormalized engines and to provide a new Airplane Flight Manual Supplement with more detailed operating instructions and emergency procedures. The increased fuel flows and new Airplane Flight Manual Supplement operating methods are intended to significantly improve cooling margins during hot weather operations. DESCRIPTION Reflow of fuel injection servo to increase full power fuel flows and installation of new Aircraft Flight Manual Supplement. Turbonormalized Cessna 177RG aircraft that meet the requirements of this Service Bulletin are identified as having the Tornado Alley Turbo Cardinal Cruiser™ System II configuration. MANPOWER REQUIREMENTS One mechanic, 6 hours WEIGHT AND BALANCE Weight change: None. MATERIAL INFORMATION Material required: 1 each Lycoming 66224 gasket 1 each Cessna 2050005-1 gasket 1 each GAMI 77-8900001 placard High temperature RTV silicone Tornado Alley Turbo, Inc. TAT SB09-02 300 Airport Road January 20, 2010 Ada, Ok 74820 Page 1 of 2 PH (580)332-3510 Tornado Alley Turbo, Inc. TAT SB09-02 300 Airport Road January 20, 2010 Ada, Ok 74820 Page 2 of 2 PH (580)332-3510 ACCOMPLISHMENT INSTRUCTIONS • Remove cowling • Remove Bendix fuel injection servo in accordance with appropriate sections of Cessna 177RG maintenance manual and Lycoming IO-360 series maintenance/overhaul manual. • Send fuel injection servo to Tornado Alley Turbo, Inc. for reflow along with aircraft N number and serial number as well as engine model number and serial number and time in service since last overhaul of servo (see Parts and Service Availibility). • Install reflowed fuel injection servo in accordance with Lycoming IO-360 series maintenance/overhaul manual. Adjust throttle and mixture linkage, if required, in accordance with Cessna 177RG maintenance manual. • Set engine magneto timing as listed on Placard P/N 77-8900001: This engine has been modified in accordance with STC SE4082NM. Engine Magneto Timing IO‐360‐A1B6 20 ± .5˚ BTC IO‐360‐A1B6D 22 ± .5˚ BTC • Clean a flat 1 x 2 inch area on the #4 cylinder rocker cover with acetone or isopropyl alcohol. Apply a 77- 8900001 placard on the cleaned area with high temperature RTV silicone such as Permatex “UltraCopper” P/N 101B or equivalent. Allow to cure thoroughly prior to operating the engine. • Remark fuel flow and cylinder head temperature indicators as follows (if gages are to be remarked on the face of each gage the work must be accomplished by a certified instrument repair station): Instrument (Range) Red Line Green Arc Yellow Arc Red Line Minimum Normal Caution Maximum Fuel Flow --- 6.0 – 21.5 gal/hr --- 22.0 gal/hr Cylinder Head Temperature --- 200º- 415ºF 415º- 475ºF 475ºF • Remove the following placard from the instrument panel: DO NOT LEAN BELOW 5,000 FT. ABOVE 75% POWER • Replace existing Airplane Flight Manual Supplement for STC’s SA4081NM and SE4082NM, dated 07/16/90 with new Airplane Flight Manual Supplement, AFMS - Cessna 177RG System II, dated 04/14/2009. • Notify pilot(s) that procedures outlined in AFMS - Cessna 177RG System II should be reviewed prior to next flight. PARTS AND SERVICE AVAILABILITY Contact Tornado Alley Turbo, Inc. for pricing and availability of servo reflowing, servo overhaul if required, and turbonormalizing system replacement parts. For more information about this Service Bulletin and additional upgrades to the Cessna 177RG turbonormalizing system go to www.taturbo.com.
What's in the CESSNA 177 TCDS
A Type Certificate Data Sheet (TCDS) is the FAA's record of what an aircraft type was approved as. It is the source of truth for weights, seating, fuel and the rules the design was certified against. Expand any line to see what it means.
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