Craftsman 247.77641 Operator's Manual

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Do notat any time makeanyadjustmentswithoutfirststoppingtheengine,disconnectingspark plugwire and groundingit againsttheengine.Alwayswearsafetyglassesduringoperationor while_performng anyadjustmentsor repars.WEDGE ASSEMBLY ADJUSTMENTAs normalwearoccursand thereis excessive"play"betweenthewedgeand beam,adjustthe bolts on the sideof the wedgeassemblyto eliminateexcessspacebetweenthe wedgeand the beam.1. Loosenthejam nutson the two adjustmentboltson the sideofthewedge.See Figure16.AdjustmentBoltJam Nut ' Lock NutGibFLEXIBLE PUMP COUPLERTheflexiblepumpcoupleris a nylon"spider"insert,locatedbetweenthe pumpand theengine shaft.Overtime,the couplerwill hardenanddeteriorate.If you detectvibrationor noisecomingfromthe area be-tweenthe engineand the pumpcontactan authorizedservicedealer.If thecouplerfails completely,you will experiencea loss of power.TIRESThe maximumpressurefor thetires is 30 psi. Do not exceedthemanufacturer'srecommendedpsi underanycircumstances.Maintainequal pressureon all tires.Excessivepressurewhen seatingbeadsmay causethe tire/rimassemblyto burst with forcesufficientto causeseriousinjury.Referto sidewallof the tire for the recommendedpressure.Figure162. Turnthe adjustmentbolts in until snugand thenback them offslowly(approximately1.5turns) untilthe wedgeassemblywillslideon the beam.3. Re-tightenthe jam nuts securelyagainst theside of the wedgetosecurethe adjustmentboltsin this position.GIB ADJUSTMENTPeriodicallyremoveand replacethe"gibs"(spacers)betweenthewedgeassemblyand the back plate.NOTE:The gibsmay be rotatedand/or turnedoverfor evenwear.1. Loosenthe lock nuts undereach back plateand slidethegibsout. See Figure16.2. Turnor replacethe gibs.3. Reassemblethe back plateand securewith the lock nuts.4. Readjustthebolts on the sideof the wedgeassembly.HOSE CLAMPSBeforeeach usecheckall the hoseclampsto see if they are tight.15