SERVICE LETTER 228
CESSNA 175 · Service Manual
Overview
This service letter provides guidance for the replacement of hydraulic pumps on Cessna 172 and 175 aircraft equipped with 2100A and 2350A floats. It is intended for use by maintenance personnel and outlines the compliance requirements, background information, and detailed instructions for the replacement process. The document emphasizes the optional nature of compliance and includes information on parts and service kits available for the hydraulic pump replacement. It also provides approximate shop hours for the work involved and notes any changes to weight and balance that may result from the installation of new components.
- This service letter applies to Cessna 172 and 175 aircraft with specific float models.
- Hydraulic pump replacement is optional but recommended due to part discontinuation.
- The service letter outlines the installation of new hydraulic pumps and associated parts.
- Approximate labor hours for the replacement process are provided for planning.
- No warranty coverage is included for labor and parts in this service letter.
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
- 761 KB
- Publisher
- www.wipaire.com
Common. One of the most common aircraft types we track.
Most owners only have the POH. Here's the essential set for the CESSNA 175.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
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More CESSNA 175manuals & documents
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- PARTS MANUAL FOR WIPLINE MODEL 2350 FLOATS ON CESSNA 172 & 175 SERIESWiring Diagram
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- Cessna FlyerChecklist
- Airworthiness Directive Schedule Aeroplanes Cessna 175 SeriesService Bulletins
- Airworthiness Directives; CESSNA Models 140A, 150, A150, 170, 172, 175, P172D, R172, 177, 180, 182, 185, A185, 188, A188, 205, 206, U206, TU206, P206, TP206, 207, T207, 210, T210, 336, 337, T337, M337B Series AirplanesAirworthiness Directives
- PART 39— AIRWORTHINESS DIRECTIVES Cessna Series AirplanesAirworthiness Directives
- 1958 Cessna 175 SpecificationsSpecifications
- Instructions for Continued AirworthinessSystems Description
- Weight & Balance for Cessna 175Weight And Balance
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In this document
Effectivity
This service letter applies to Cessna 172 and 175 aircraft equipped with 2100A and 2350A floats. Compliance with this service letter is optional.
Background
The service letter discusses the hydraulic pump replacement options available for Cessna 172 and 175 aircraft. It highlights the need for replacement due to the discontinuation of certain hydraulic pump models and provides options for new pumps.
Compliance Method
Installation of the provided parts should follow the work instructions detailed in this service letter. The instructions include steps for disconnecting and connecting hydraulic lines and ensuring proper functionality after installation.
Approximate Shop Hours
The estimated labor hours required for the hydraulic pump replacement are provided, allowing maintenance personnel to plan accordingly.
Warranty Information
This service letter does not include warranty coverage for labor and parts associated with the hydraulic pump replacement.
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 228 Cessna 172 & 175 Hydraulic Pump Replacement on 2100A Floats & 2350A Floats Aircraft Makes/Model(s): Float Model(s): Compliance: Optional By: MAB Textron Aviation 172 Series 175 Series 2100A & 2350A Part Number: 1011867 Approved: SDW Date: 7/13/2021 Revision: A )$$DSSURYDOKDVEHHQREWDLQHGIRUWHFKQLFDOGDWDLQWKLVSXEOLFDWLRQWKDWDႇHFWV67&RU762GHVLJQFRPSOLDQFH LOG OF REVISIONS Revision Description Date A Initial release 7/13/2021 EFFECTIVITY: 7KLVVHUYLFHOHWWHUDSSOLHVWR7H[WURQ$YLDWLRQ6N\KDZNPRGHOVHULHVDQG6N\ODUNPRGHOVHULHVZLWK:LSOLQH $PSKLELDQ)ORDWVLQVWDOOHGSHU67&6$&+RU:LSOLQH$PSKLELDQ)ORDWVLQVWDOOHGSHU67&6$ &+ COMPLIANCE: 2SWLRQDOFRPSOLDQFH BACKGROUND: 7H[WURQ$YLDWLRQ &HVVQD +\GUDXOLF3XPS$VVHPEO\9'&SQ$ DQG+\GUDXOLF3XPS$VVHPEO\ 9'&SQ$ KDYHERWKEHHQGLVFRQWLQXHG7KLVVHUYLFHOHWWHUSURYLGHVWKHRSWLRQWRUHSODFHWKHPZLWKSXPSVSQ IRUWKH9'&RUIRUWKH9'& 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 $)ORDWV ITEMS PROVIDED IN SERVICE KIT 1011867-01 (12 VDC HYDRAULIC PUMP ONLY) ITEM QTY PART NUMBER DESCRIPTION 1 1 $66(0%/<+<'5$8/,&32:(53$&.9 2 1 1011851 63$&(5,167$//$7,21+<'5$8/,&32:(53$&. 3 2 $1$ %2/7*5,381'5,//('67((/ 1$6 )3 :$6+(5,'7+.67((/ 5 2 061 1875(*8/$5+(,*+781) ITEMS PROVIDED IN SERVICE KIT 1011867-02 (24 VDC HYDRAULIC PUMP ONLY) ITEM QTY PART NUMBER DESCRIPTION 1 1 1011850 $66(0%/<+<'5$8/,&32:(53$&.9 2 1 1011851 63$&(5,167$//$7,21+<'5$8/,&32:(53$&. 3 2 $1$ %2/7*5,381'5,//('67((/ 1$6 )3 :$6+(5,'7+.67((/ 5 2 061 1875(*8/$5+(,*+781) DISCONTINUED 12 VDC HYDRAULIC PUMP 21A09000-239 NEW 12 VDC HYDRAULIC PUMP 1011849 12 VDC PUMP ONLY DISCONTINUED 24 VDC HYDRAULIC PUMP 21A09000-283 NEW 24 VDC HYDRAULIC PUMP 1011850 24 VDC PUMP ONLY 5HYLVLRQ$ 3DJHRI 31 6(59,&(/(77(5 &HVVQD +\GUDXOLF3XPS5HSODFHPHQWRQ$)ORDWV $)ORDWV 5HYLVLRQ$ 3DJHRI 31 6(59,&(/(77(5 &HVVQD +\GUDXOLF3XPS5HSODFHPHQWRQ$)ORDWV $)ORDWV Work Instructions 12 VDC Hydraulic Pump Only 'LVFRQQHFWDLUFUDIWEDWWHU\ 'LVFRQQHFWVLQJOHSLQ0ROH[FRQQHFWRUIRU*$ZLUH 'LVFRQQHFWSLQ&3&FRQQHFWRUIURPK\GUDXOLFSRZHUSDFNDVVHPEO\$ ,IDLUFUDIWKDVDK\GUDXOLFORZOHYHOZDUQLQJV\VWHPGLVFRQQHFWZLUHKDUQHVVIURPVHQVRULQUHVHUYRLU 'UDLQK\GUDXOLFÀXLGIURPK\GUDXOLFSRZHUSDFNUHVHUYRLU 'LVFRQQHFWDQGFDS$ K\GUDXOLFOLQHIURPUHVHUYRLUWR¿UHZDOOEXONKHDG¿WWLQJ 'LVFRQQHFWDQGFDS$ K\GUDXOLFOLQHVIURPSXPSXSDQGGQSRUWVWR¿UHZDOOEXONKHDG¿WWLQJV 8QEROWDQGUHPRYHK\GUDXOLFSRZHUSDFN$ IURP¿UHZDOO ,QVWDOOQHZK\GUDXOLFSRZHUSDFN RQWRH[LVWLQJDQJOH$ ZLWKVSDFHUEHWZHHQSXPSDQG DQJOH8VHVXSSOLHGKDUGZDUHWRPRXQWSXPSWRDQJOH8VHH[LVWLQJKDUGZDUHWRPRXQWXSSHUSODWHWKURXJK¿UHZDOO 5HLQVWDOOK\GUDXOLFOLQHV$ RQWRSXPSPDQLIROGXSDQGGQSRUWV 5HLQVWDOOK\GUDXOLFOLQHV$ WRSXPSUHVHUYRLU¿WWLQJ ,IDLUFUDIWKDVDK\GUDXOLFORZOHYHOZDUQLQJV\VWHPUHFRQQHFWZLUHKDUQHVVWRVHQVRULQQHZUHVHUYRLU 5HLQVWDOOSLQ&3&FRQQHFWRU6HHHOHFWULFDOVFKHPDWLF &XWVLQJOHSLQ0ROH[FRQQHFWRUIURP*$ZLUH,QVWDOO)1/FRQQHFWRURQWR*$ZLUH&RQQHFW*$ZLUHWR SRZHUZLUHRQK\GUDXOLFSXPSDVVHPEO\5XQJURXQGZLUHIURPK\GUDXOLFSXPSWRJURXQGRQDLUFUDIW6HHHOHFWULFDO VFKHPDWLF 5HFRQQHFWDLUFUDIWEDWWHU\VHUYLFHSXPSUHVHUYRLUZLWK0,/+K\GUDXOLFÀXLGDQGSHUIRUPDUHWUDFWLRQH[WHQVLRQWHVW WRPDNHVXUHV\VWHPLVIXQFWLRQLQJFRUUHFWO\:DWFKWKHV\VWHPIRUOHDNVDQGDGG0,/+K\GUDXOLFÀXLGDVQHHGHG 24 VDC Hydraulic Pump Only 'LVFRQQHFWDLUFUDIWEDWWHU\ 'LVFRQQHFWVLQJOHSLQ0ROH[FRQQHFWRUIRU*$ZLUH 'LVFRQQHFWSLQ&3&FRQQHFWRUIURPK\GUDXOLFSRZHUSDFNDVVHPEO\$ ,IDLUFUDIWKDVDK\GUDXOLFORZOHYHOZDUQLQJV\VWHPGLVFRQQHFWZLUHKDUQHVVIURPVHQVRULQUHVHUYRLU 'UDLQK\GUDXOLFÀXLGIURPK\GUDXOLFSRZHUSDFNUHVHUYRLU 'LVFRQQHFWDQGFDS$ K\GUDXOLFOLQHIURPUHVHUYRLUWR¿UHZDOOEXONKHDG¿WWLQJ 'LVFRQQHFWDQGFDS$ K\GUDXOLFOLQHVIURPSXPSXSDQGGQSRUWVWR¿UHZDOOEXONKHDG¿WWLQJV 8QEROWDQGUHPRYHK\GUDXOLFSRZHUSDFN$ IURP¿UHZDOO ,QVWDOOQHZK\GUDXOLFSRZHUSDFNRQWRH[LVWLQJDQJOH$ ZLWKVSDFHUEHWZHHQSXPSDQG DQJOH8VHVXSSOLHGKDUGZDUHWRPRXQWSXPSWRDQJOH8VHH[LVWLQJKDUGZDUHWRPRXQWXSSHUSODWHWKURXJK¿UHZDOO 5HLQVWDOOK\GUDXOLFOLQHV$ RQWRSXPSPDQLIROGXSDQGGQSRUWV 5HLQVWDOOK\GUDXOLFOLQHV$ WRSXPSUHVHUYRLU¿WWLQJ
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What's in the CESSNA 175 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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