SERVICE LETTER 239
CESSNA T206 · Service Manual
Overview
This document is a service letter specifically addressing the hydraulic pump replacement for Cessna 206 aircraft equipped with 4000A floats. It provides detailed instructions for compliance with the replacement procedure, which is optional. The letter includes information about the service kit, parts required, and compliance methods. It is intended for maintenance personnel and technicians working on Cessna 206 aircraft. The document outlines the necessary steps to ensure proper installation and functionality of the hydraulic pump, along with warranty information and technical data related to the service.
- Service Letter 239 addresses hydraulic pump replacement for Cessna 206 aircraft with 4000A floats.
- Compliance with the replacement procedure is optional but recommended for safety and performance.
- The service kit includes essential components such as the hydraulic pump (part number 1011955) and necessary fittings.
- Warranty coverage for labor and parts is not included in this service letter.
- Estimated labor hours for the replacement procedure are provided to assist in maintenance planning.
Document
Source
Originally published by www.wipaire.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Service Manual
- Year
- 2021
- Pages
- 5
- File size
- 382 KB
- Publisher
- www.wipaire.com
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In this document
Compliance Method
The service letter outlines that compliance with the hydraulic pump replacement can be achieved by following the installation instructions provided in the work instruction section of the letter. This ensures that the replacement is done correctly and safely.
Items Provided in Service Kit
The service kit for the hydraulic pump replacement includes several items, such as a hydraulic pump (part number 1011955), hydraulic lines, and various fittings. The kit is designed to facilitate the replacement process and ensure all necessary components are available.
Technical Data
The document provides technical data related to the hydraulic pump replacement, including part numbers and descriptions of the components involved. This information is crucial for maintenance personnel to correctly identify and source the necessary parts.
Warranty Information
The service letter specifies that it does not include warranty coverage for labor and parts associated with the hydraulic pump replacement. This is an important consideration for maintenance planning and cost estimation.
Approximate Shop Hours
The estimated labor hours required for completing the hydraulic pump replacement as outlined in the service letter are provided. This helps maintenance personnel plan their workload and schedule accordingly.
Full document text
WIPLINE FLOATS • SKIS • MODIFICATIONS • AIRCRAFT SALES AVIONICS • INTERIOR • MAINTENANCE • PAINT REFINISHING 1700 Henry Ave - Fleming Field (KSGS), South St. Paul, MN 55075 Phone: 651.451.1205 | Fax: 651.457.7858 www.wipaire.com SERVICE LETTER 239 Cessna 206 Hydraulic Pump Replacement on 4000A Floats Aircraft Makes/Model(s): Float Model(s): Compliance: Optional By: MAS Textron Aviation 206 Series 4000A Part Number: 1011956 Approved: SDW Date: 9/21/2021 Revision: A )$$DSSURYDOKDVEHHQREWDLQHGIRUWHFKQLFDOGDWDLQWKLVSXEOLFDWLRQWKDWDႇHFWV67&RU762GHVLJQFRPSOLDQFH LOG OF REVISIONS Revision Description Date A Initial release 9/21/2021 EFFECTIVITY: 7KLVVHUYLFHOHWWHUDSSOLHVWR7H[WURQ$YLDWLRQPRGHOVHULHVZLWK:LSOLQH$PSKLELDQ)ORDWVLQVWDOOHGSHU67& 6$*/ COMPLIANCE: 2SWLRQDOFRPSOLDQFH BACKGROUND: 7H[WURQ$YLDWLRQ &HVVQD +\GUDXOLF3XPS$VVHPEO\9'&SQ$ KDVEHHQGLVFRQWLQXHG7KLVVHUYLFHOHWWHU SURYLGHVWKHRSWLRQWRUHSODFHLWZLWKSXPSSQ IRUWKH9'& COMPLIANCE METHOD: ,QVWDOOSURYLGHGSDUWVDVVKRZQLQWKH:RUN,QVWUXFWLRQVHFWLRQRIWKLVVHUYLFHOHWWHU APPROXIMATE SHOP HOURS: 7KHZRUNLQVWUXFWLRQIRUWKLVVHUYLFHOHWWHUZLOOWDNHDSSUR[LPDWHO\ODERUKRXUV WEIGHT AND BALANCE CHANGE: /%6)6 WARRANTY INFORMATION: 7KLVVHUYLFHOHWWHUGRHVQRWLQFOXGHZDUUDQW\IRUODERUDQGSDUWV TECHNICAL DATA: &RSLHVRIWKLVVHUYLFHOHWWHUDVVRFLDWHGVHUYLFHNLW LIDSSOLFDEOH ÀRDWVHUYLFHPDQXDODQGÀRDWSDUWVPDQXDODUHDYDLODEOHDW ZZZZLSDLUHFRP 5HYLVLRQ$ 3DJHRI 31 6(59,&(/(77(5 &HVVQD+\GUDXOLF3XPS5HSODFHPHQWRQ$)ORDWV ITEMS PROVIDED IN SERVICE KIT 1011956-01 (24 VDC HYDRAULIC PUMP) ITEM QTY PART NUMBER DESCRIPTION 1 1 1011955 $66(0%/<+<'5$8/,&32:(53$&.9 2 3 FT :,5($:*:+,7( 3 1 320559 &5,037(50,1$/%877$:* 4 2 1$6 )3 :$6+(5,'7+.67((/ 5 1 06 5,1*7(50,1$/678'$:*<(//2: 6 1 06 5,1*7(50,1$/678'$:*<(//2: DISCONTINUED OILDYNE HYDRAULIC PUMP 4A09000-081 5HYLVLRQ$ 3DJHRI 31 6(59,&(/(77(5 &HVVQD+\GUDXOLF3XPS5HSODFHPHQWRQ$)ORDWV NEW HYDRAULIC PUMP 1011955 5HYLVLRQ$ 3DJHRI 31 6(59,&(/(77(5 &HVVQD+\GUDXOLF3XPS5HSODFHPHQWRQ$)ORDWV HYDRAULIC SCHEMATIC ELECTRICAL SCHEMATIC 5HYLVLRQ$ 3DJHRI 31 6(59,&(/(77(5 &HVVQD+\GUDXOLF3XPS5HSODFHPHQWRQ$)ORDWV Aircraft Closing & Return to Service 8SRQFRPSOHWLRQRILQVSHFWLRQHQWHULQIRUPDWLRQLQ$LUFUDIW/RJERRNIRUFRPSOHWLRQRI:LSDLUH6HUYLFH/HWWHU Work Instructions 24 VDC Hydraulic Pump 3XOOK\GUDXOLFSXPSFLUFXLWEUHDNHU 5HPRYHHOHFWULFDOZLUHIURPHOHFWULFDOVROHQRLGWKDWKDV9'&VRXUFH ,IK\GUDXOLFSXPSKDVDQHOHFWULFDOJURXQGZLUHUHPRYHIURPK\GUDXOLFSXPSDVVHPEO\ &XWZLUHIURPK\GUDXOLFSXPSIXVHKROGHUWR³*(´SXPSRQOLJKW 1RWHDQGUHPRYHERWKSUHVVXUHDQGUHWXUQOLQHVIURPK\GUDXOLFSXPSDVVHPEO\ 8QEROWXSSHUEUDFNHWRIK\GUDXOLFSXPSDVVHPEO\IURPXSSHULQVWDOODWLRQSODWHDQJOH 8QEROWDQGUHPRYHK\GUDXOLFSXPSDVVHPEO\IURPORZHULQVWDOODWLRQSODWHDQJOH ,QVWDOOQHZK\GUDXOLFSXPSDVVHPEO\ RQWRLQVWDOODWLRQSODWH8VHH[LVWLQJ$1$EROWVZLWKVXSSOLHG 1$6 )3ZDVKHUVIRUORZHUEUDFNHW8VHH[LVWLQJ$1$EROWVZLWKH[LVWLQJ1$6 )3ZDVKHUVIRUXSSHU EUDFNHW ,QVWDOO³SUHVVXUH´K\GUDXOLFOLQHLQWRSRUW³83´RIK\GUDXOLFSXPSDVVHPEO\6HHK\GUDXOLFVFKHPDWLF ,QVWDOO³UHWXUQ´K\GUDXOLFOLQHLQWRK\GUDXOLF¿WWLQJDWERWWRPRIK\GUDXOLFSXPSUHVHUYRLU6HHK\GUDXOLFVFKHPDWLF 0DNHDJURXQGZLUHIURPOXJ³$´RQK\GUDXOLFSXPSPRWRUWRDLUFUDIWJURXQGZLWKVXSSOLHG$:*ZLUHDQGULQJ FRQQHFWRUV6HHHOHFWULFDOVFKHPDWLF 5XQWKHVLQJOHRSHQZLUHIURPK\GUDXOLFSXPSDVVHPEO\IXVHKROGHUWR³*(´SXPSOLJKWRQZLUHZLWKVXSSOLHGZLUHDQG HOHFWULFDOFRQQHFWRUV6HHHOHFWULFDOVFKHPDWLF 5HVHWK\GUDXOLFSXPSFLUFXLWEUHDNHUVHUYLFHUHVHUYRLUZLWK0,/:K\GUDXOLFÀXLGDQGSHUIRUPDUHWUDFWH[WHQVLRQ WHVWWRPDNHVXUHV\VWHPLVIXQFWLRQLQJFRUUHFWO\:DWFKWKHV\VWHPIRUOHDNVDQGDGG0,/+K\GUDXOLFÀXLGDV QHHGHG