This Revision 2 updates the Front Matter as well as Chapters 2, 3, 5, 6, 8, 9, 10,11and13.DuetothenumberofchangesinChapter13,ithasbeenprintedwithout change bars.At Revision 2, this publication has been printed in its entirety for ease of handling.Please replace existing publication with this Revision 2.BellHelicopterwouldalsoliketothankitsCustomersforprovidinguswithCustomerFeedbackinformation.Thisinformationisverymuchappreciatedandallows us to improve the quality of our manuals with each revision.23 MAY 2000REVISION 2 16 FEBRUARY 2007BHT-ALL-SPMNOTICEBHT-ALL-SPM NOTICEThe instructions set forth in this manual, as supplemented or modified by Alert Service Bulletins (ASB) orotherdirectionsissuedbyBellHelicopterTextronInc.andAirworthinessDirectives(AD)issuedbytheapplicable regulatory agencies, shall be strictly followed.STANDARDPRACTICESMANUAL(Applicable to all Bell Helicopter Models)BHT-ALL-SPM NOTICEThe instructions set forth in this manual, as supplemented or modified by Alert Service Bulletins (ASB) orotherdirectionsissuedbyBellHelicopterTextronInc.andAirworthinessDirectives(AD)issuedbytheapplicable regulatory agencies, shall be strictly followed.REISSUE 23 MAY 2000REVISION 2 16 FEBRUARY 2007COPYRIGHT NOTICECOPYRIGHT 2007BELL HELICOPTER TEXTRON INC.AND BELL HELICOPTER TEXTRONCANADA LTD.ALL RIGHTS RESERVEDSTANDARDPRACTICESMANUAL(Applicable to all Bell Helicopter Models)BHT-ALL-SPMPN Rev. 2 16 FEB 2007Additional copies of this publication may be obtained by contacting:Commercial Publication Distribution CenterBell Helicopter Textron Inc.P. O. Box 482Fort Worth, Texas 76101-0482PROPRIETARY RIGHTS NOTICEThesedataareproprietarytoBellHelicopterTextronInc.Disclosure,reproduction,oruseofthesedataforanypurposeotherthanhelicopteroperationormaintenanceisforbiddenwithoutpriorwrittenauthorizationfromBell Helicopter Textron Inc.WARNINGTHIS MANUAL APPLIES ONLY TO HELICOPTERS AND COMPONENTSMAINTAINEDIN ACCORDANCEWITH BELL HELICOPTER TEXTRON(BELL) APPROVED PROCEDURES USING BELL APPROVED PARTS.ALL INSPECTION, REPAIR AND OVERHAUL PROCEDURES PUBLISHEDBY BELL, INCLUDING PART RETIREMENT LIFE, ARE BASED SOLELY ONTHE USE OF BELL PARTS THAT HAVE BEEN MAINTAINED USING BELLAPPROVEDDATA.THE DATAPUBLISHEDHEREINOR OTHERWISESUPPLIED BY BELLIS NOTAPPLICABLE TO NON-BELL PARTS ORPARTS THAT HAVE BEEN REPAIRED USING DATA AND/OR PROCESSESNOT APPROVED BY BELL.BELL IS NOT RESPONSIBLE FOR ANY PART OTHER THAN THOSE THATIT HAS APPROVED.BEFORE PERFORMING ANY PROCEDURE CONTAINED IN THIS MANUALYOUMUSTINSPECTTHEAFFECTEDPARTSANDRECORDSFOREVIDENCE OF ANY MANUFACTURE, REPAIR, REWORK OR USE OF APROCESS NOT APPROVED BY BELL.IF YOU IDENTIFY OR SUSPECT THE USE OF PARTS NOT AUTHORIZEDBY BELL, EITHER REMOVE THE AFFECTED ITEM FROM THE AIRCRAFTOR OBTAIN INSTRUCTIONS FOR CONTINUED AIRWORTHINESS FROMTHE MANUFACTURER OR THE ORGANIZATION THAT APPROVED THEREPAIR.BHT-ALL-SPMLOG OF REVISIONSInsert latest revision pages and dispose of superseded ones.On a revised page, the text and/or illustration affected by the latest revision is shown by a vertical line. A revisedpagewithonlyaverticallinenexttothepagenumberindicatesthattexthasshiftedorthatnon-technicalcorrection(s) were made on that page.Page No. Rev No. Page No. Rev No. Page No. Rev No.LOG OF PAGESOriginal ........ 0........... 01 MAR 90Reissue........ 0............08 SEP 92Reissue........ 0............ 03 FEB 95Reissue ....... 0............10 OCT 96Reissue ....... 0............20 AUG 99Reissue ....... 0............ 23 MAY 00Revision .......1 ............30 JUN 04Revision .......2 ............16 FEB 07Cover .........................................2Title ............................................2PN..............................................2Warning......................................2A /B ............................................2Help............................................2Customer Feedback...................2Helicopter Sale Notice ...............2Warranty.....................................2i/ii................................................1Index 1 Index 4 .......................1Index 5/Index 6 ..........................1Chapter 11/2..............................................13/4..............................................1Chapter 21 28.........................................229/30..........................................2Chapter 31 2...........................................23 10.........................................011 12 .......................................212A/12B..................................... 213 14....................................... 215 20....................................... 0Chapter 41/2.............................................. 03 30......................................... 0Chapter 51/2.............................................. 23 6........................................... 27/8.............................................. 2Chapter 61 22......................................... 223/24.......................................... 2Chapter 71/2.............................................. 03 10......................................... 011/12.......................................... 0Chapter 81 50......................................... 251/52.......................................... 2Chapter 91 136.......................................2137/138......................................2Chapter 101 22.........................................2Chapter 111/2..............................................23 8...........................................2Chapter 121/2..............................................13/4................................... Deleted5 68.............................. DeletedChapter 131/2..............................................23/4..............................................25 56.........................................257/58..........................................259 108.....................................2109/110 ......................................2111 118....................................216 FEB 2007 Rev. 2 A/BHELPEVALUATELOGISTICSPUBLICATIONSHaveyoufoundsomethi ngwrongwi ththi smanual an error,ani nconsi stency,uncl eari nstructi ons,etc.?Al though westri veforaccuracyandcl ari ty,wemaymakeerrorson occasi on.Ifwedoandyoudi scoveri t,wewoul dappreci ate yourtel l i ngusabouti tsothatwecanchangewhateveri s i ncorrect or uncl ear. Pl ease be as speci fi c as possi bl e. Yourcompl ai ntorsuggesti onwi l l beacknowl edgedandwe wi l ltel lyou what we i ntend to do. Youmayuset heencl osedCust omerFeedbackf orm, as appl i cabl e, t oi nf ormuswherewehaveerred.Your assi stance i s si ncerel y appreci ated.CUSTOMER FEEDBACK RETURN VIA FAX TO PRODUCT SUPPORT ENGINEERING (450) 433-0272Manual Title: ___________________________________________________________Manual Number (if assigned): _____________________________________________Date of Issue: ___________________________________________________________Date of Last Revision: ___________________________________________________Section, Chapter, Paragraph Affected: ______________________________________Your Feedback:_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Now Reads: _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Should Read: _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Your Name: _____________________________________________________________Address: ______________________________________________________________________________________________________________________________________Position: __________________________ Telephone No.: _______________________Company: _______________________________Fax No.: _______________________Reference No. (your initials and date): _____________________________________(If you choose to mail this form, fold in thirds with address exposed, tape and mail.)TAPE HERETAPE HEREFromPOSTAGE NECESSARYPRODUCT SUPPORT ENGINEERING12,800 rue de lAvenirMirabel Qubec, Canada, J7J 1R4FOLD ON DOTTED LINES AND TAPEIMPORTANTHELICOPTER SALE NOTICEPlease complete this Form and return by Mail or FAX (817-280-3224, Attention: CPDC)to Bell Helicopter Textron. This will ensure that the New Owners receive updates totheir Bell Helicopter Technical Manuals and Bulletins.Model of Helicopter Sold or Purchased _______________________________________________________________________________________________________________________Bell Serial Number _______________________________________________________________________________________________________________________________________Registration Number _____________________________________________________________________________________________________________________________________Company or Individual who purchased Helicopter_______________________________________________________________________________________________________________Address ____________________________________________________________________City________________________________________________________________________State_______________________________________________________________________Zip Code ___________________________________________________________________Country ____________________________________________________________________FAX No. ___________________________ Telephone No. ___________________________TAPE HERETAPE HEREFromNO POSTAGE NECESSARYIF MAILEDIN THEUNITED STATESCOMMERCIAL PUBLICATION DISTRIBUTION CENTERP.O. BOX 482FORT WORTH, TEXAS 76101-0482FOLD ON DOTTED LINES AND TAPEBUSINESS REPLY MAILFIRST CLASS PERMIT NO. 1744 FORT WORTH, TEXASWARRANTYSpare PartsWARRANTY AND REMEDY: Seller warrants each new helicopter part or helicopter part reconditioned by seller tobe free from defect in material and workmanship under normal use and service. Seller's sole obligation under thiswarranty is limited to replacement or repair of parts which are determined to Seller's reasonable satisfaction tohave been defective within 1,000 hours of operation or one (1) year after installation, whichever occurs first andreimbursement of reasonable freight charges. After 200 hours of use, there will be a prorated charge to thePurchaser for replacement parts (prorating the hours of total use against the then applicable part life or 2,000hours, whichever is the lesser). Defective parts must be reported in writing to the Seller's Warranty Administrationwithin 90 days of being found defective. Warranty adjustment is contingent upon the Purchaser complying with theSeller's Warranty Administration disposition instructions for defective parts. Failure to comply with all of the terms ofthis paragraph may, at Seller's sole option, void this warranty.THIS WARRANTY IS GIVEN AND ACCEPTED IN PLACE OF (i) ALL OTHER WARRANTIES OR CONDITIONS,EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONSOF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND (ii) ANY OBLIGATION, LIABILITY,RIGHT, CLAIM OR REMEDY IN CONTRACT OR IN TORT (DELICT), INCLUDING PRODUCT LIABILITIESBASED UPON STRICT LIABILITY, NEGLIGENCE, OR IMPLIED WARRANTY IN LAW.This warranty is the only warranty made by Seller. The Purchaser's sole remedy for a breach of this warranty orany defect in a part is the repair or replacement of helicopter parts and reimbursement of reasonable freightcharges as provided herein. Seller excludes liability, whether as a result of a breach of contract or warranty,negligence or strict product liability, for incidental or consequential damages, including without limitation, damageto the helicopter or other property, costs and expenses resulting from required changes or modifications tohelicopter components and assemblies, changes in retirement lives and overhaul periods, local customs fees andtaxes, and costs or expenses for commercial losses or lost profits due to loss of use or grounding of helicopters orotherwise.Seller makes no warranty and disclaims all liability in contract or in tort (delict), including, without limitation,negligence and strict tort (delictual) liability, with respect to work performed by third parties at Purchaser's requestand with respect to engines, engine accessories, batteries, radios, and avionics, except Seller assigns eachmanufacturer's warranty to Purchaser to the extent such manufacturer's warranty exists and is assignable.This warranty shall not apply to any helicopter part which has been repaired or altered outside Seller's factory inany way so as, in Seller's judgment, to affect its stability, safety or reliability, or which has been subject to misuse,negligence or accident, or which has been installed in any aircraft which has been destroyed unless that helicopterhas been rebuilt by Bell. A list of destroyed aircraft is obtainable from Bell Product Support. Repairs and alterationswhich use or incorporate parts and components other than genuine Bell parts or parts approved by Bell for directacquisition from sources other than Bell itself are not warranted by Bell, and this warranty shall be void to theextent that such repairs and alterations, in Seller's sole judgment, affect the stability, safety or reliability of thehelicopter or any part thereof, or damage genuine Bell or Bell-approved parts. No person, corporation, ororganization, including Bell Customer Service Facilities, is authorized by Seller to assume for it any other liability inconnection with the sale of its helicopters and parts.January 1, 1996BHT-ALL-SPM2-00-0016 FEB 2007 Rev. 2 Page 1TABLE OF CONTENTSParagraph Chapter/Section PageNumber TitleNumber NumberCHAPTER2 TORQUETORQUE2-1 Torque Values................................................................................ 2-00-00 32-2 Standard Torque Use of ....................................................... 2-00-00 32-3 Deleted ..................................................................................... 2-00-00 52-4 Deleted ..................................................................................... 2-00-00 52-5 Self-locking Nuts....................................................................... 2-00-00 52-6 Recommended Grip Length Control Requirements forThreaded Fasteners ................................................................. 2-00-00 52-7 Bolts and Screws Grip Length .................................................. 2-00-00 52-8 Plain Washer Substitution Requirements ................................. 2-00-00 62-9 Selection and Use of Torque Wrench....................................... 2-00-00 62-10 Miscellaneous Torquing Information......................................... 2-00-00 8FIGURES Figure PageNumber Title Number2-1 Torque Wrench Concentric Type Attachments................................................... 272-2 Torque Wrench Nonconcentric Type Attachments ............................................. 282-3 Affect of Applied Force to Rigid Frame and Audible Indicating TorqueWrenches Using Nonconcentric Attachments..................................................... 29TABLESTable PageNumber Title Number2-1 Standard Torque for MS17825 and MS17826 Nuts on 125 KSI MinimumUltimate Tensile Fasteners ................................................................................. 92-2 Standard Torque for Specified Nuts on 125 KSI Minimum UltimateTensile Fasteners ............................................................................................... 102-3 Standard Torque for Specified Nuts on 160 KSI Minimum UltimateTensile Fasteners ............................................................................................... 122-4 Standard Torque for Specified Nuts on 180 KSI Minimum UltimateTensile Fasteners ............................................................................................... 142-5 Standard Torque for Specified Nuts on 220 KSI Minimum UltimateTensile Fasteners ............................................................................................... 162-6 Standard Torque for Steel and CRES Nuts on -3C) 45 11 to 17 11 to 16 6 to 1127 to 21F (-3 to -6C) 45 8 to 14 8 to 13 5 to 820 to 14F (-7 to -10C) 45 6 to 10 6 to 10 4 to 6