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711020-25 Propeller Installation
propellerspinnerbackplatefitscrapaluminimstripintopropellerbacksideguidehole_small.jpg placespinnerbackplateoveraluminumguide_small.jpg turnoverdrillfirstholeinserttemporaryboltsaseachholeisdrilled_small.jpg propellerspinnerfrontbulkheadfitscraptubeintopropellerfrontguidehole_small.jpg turnoverdrillfirstholeinserttemporaryboltsaseachholeisdrilled2_small.jpg deburrholesinspinnerbackplateandfrontbulkhead_small.jpg setupspinneralignmenttoolinthiscaseapieceofwireclampedonengine_small.jpg turnengineslowlyandadjustbackplatesothatitrunstrue_small.jpg useruletomarkspinnerbackplateonbothsideofthepropeller_small.jpg
marktheoppositebladethesameway_small.jpg makeapapertemplateforpropellercutouttransferthemarksonthebackplate_small.jpg measurefromfrontofthepropelleraftedgeofbackplatetothepapertemplate_small.jpg drawtheroughshapeofthecutoutonthepapertemplateandcutouttheshape_small.jpg checkfitoftemplateonpropellermarkandtrimforabetterfit_small.jpg continuetorefinethefitbycarefulmarkingandtrimmingalittleatatime_small.jpg tofinishtemplatetapeoncarefullyalignedwithmarksonbackplate_small.jpg marktemplateatbackplateslidefingeralongtheedgetocreateacrease_small.jpg marktemplateatthefrontbulkheadslidefingeralongtheedgetocreateacrease_small.jpg
trimtemplateoncreaselines_small.jpg thefitcanbefurtherrefinedbyusingtapetofillsmallgaps_small.jpg finishedtemplatefitsbehindfrontbulkheadandevenwithbackplate_small.jpg removebackplateandplacepropellerspinneroverit_small.jpg markthepropellerspinneratthebackplatemarks_small.jpg tapetemplateonspinneralignedwiththebackplatemarks_small.jpg markpropellerspinnerforthecutoutthesametemplateworkedonbothsides_small.jpg protectthespinnerfromscratcheswithtape_small.jpg protectivetapedone_small.jpg
cutfrombothsidestothecornerthenbreakoutthepiece_small.jpg spinnerroughcutoutsdone_small.jpg protectthepropellerwithseverallayersoftape_small.jpg evenwiththetapebeverycarefulputtingthespinneronthefirstfewtimes_small.jpg filespotswhereclearanceislessthanoneeighthinchsmoothedgeswithscotchbrite_small.jpg spinnercutoutsdone_small.jpg setdividertofasteneredgedistanceperdrawingmarkfastenerlineatcutoutandonedge_small.jpg alignruleratcutoutfastenerbendaroundbaselinereadmeasurementatoppositecutout_small.jpg dividemeasurementbythreetogetspacingforspinnerbackplatefasteners_small.jpg
usethemeasurementtomarkthebetweemcutoutfastenerlocationonthebackplate_small.jpg measurefromfrontofthetemplatetothecenterofthefrontbulkhead_small.jpg alignrulerwithfrontedgeofcutoutdrawlineupoverfrontbulkheadonbothsides_small.jpg bendflexiblerulerbetweenlinesonbothsidesandmarkthemidpoint_small.jpg extendthelineatthemidpointmarksacrossthefrontbulkhead_small.jpg usetemplateandmeasurmenttocenterofthebulkheadtomarkfrontfastenerlocations_small.jpg drillallofthefastenerlocationsonthepropellerspinnertonumber30anddeburrholes_small.jpg drawthecenterlineallthewayaroundthefrontbulkhead_small.jpg clamppropellerspinneronbesurefrontbulkheadlineisvisibleinfrontfastenerholes_small.jpg
alsobesurespinnerbackplateisevenallthewayaroundbeforedrillingfirsthole_small.jpg clecoeachholeasyoudrillthebackplatethendrillandclecothefrontbulkhead_small.jpg threepunchmarksonspinnerbackplateandpropellerhelpassemblyalignmentlater_small.jpg propellerspinnerfitupisdonenextweinstallthenutplates_small.jpg usingthenutplatejigtodrillrivetholesinfrontbulkhead_small.jpg deburringinsidethefrontbulkheadtookonadifferentapproach_small.jpg reamfastenerholetofinalsizeperdrawingcountersinkrivetholes_small.jpg spinnerbackplatefastenerholeareeasiertoreachfordrillinganddeburring_small.jpg reamtofinalfastenersizeandcountersinkrivetholesinbackplate_small.jpg

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