Craftsman 486.242223 Lawn Sweeper User Manual


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14
GEAR AND PAWL SERVICE
IMPORTANT: Do notremovebothwheelsatthesame
timetoavoidmixingofparts.(TheR.H.andL.H.pinion
gearsarenotinterchangeable.)Make notes on the
positionofwashersandsnapringsduringdisassembly.
• Removeonewheelatatime,followingtheinstructions
intheMAINTENANCEsection.
• Removetheretainingringswhichholdthegearson
thebrushshaftandthejackshaft.
• Removethepiniongear,washeranddrivepinfromthe
endofthebrushshaft.(Thedrivepinmayfalloutofthe
brushshaftwhenthepiniongearisremoved.)
• Removetheidlergearandwashersfromthejackshaft.
• Cleanallparts.
• Replace worn parts.
• Toreassemble,lightlygreasethejackshaftandthe
brushshaft.Insertthepinintotheholeinthebrush
shaft.Makesurethepinstaysintheshaft.
• Lightlygreasetheteethonbothgearsandllthe
recessofthepiniongearwithgrease.Assembleboth
gearsbackontotheshafts.
• Lightlygreasetheaxleandthenreassemblethewheel
ontoit.Thebrushesshouldrotateonly during forward
rotationofthewheel.Ifthebrushesaredriven(rotated)
bybothforwardandreverserotationofthewheel,the
drivepinisjamminginthepiniongear.Disassemble
andcleanandlubricatethedrivepinandpiniongear.
BRUSH REPLACEMENT
NOTE: Brushreplacementshouldbedoneonebrushat
a time.
• Removethehopperbagfromthesweeper.
• Loosenthehexboltsandlocknutsontwosingle
brushretainerswhichclamponebrushtothedouble
brushretainers.Do Not loosenorremovethebolts
whichfastenthedoublebrushretainerstothebrush
shaft.Seegure24.
• Slidethebrushoutoftheretainers,notingonwhich
sideofthebrushthebristlesoverlap.Seegure24.
• Installnewbrush,makingsurethebristlesoverlapon
thesamesideofthebrushasbefore.Seegure24.
FIGURE 25
BRUSH ROTATION
BRUSH ROTATION
OVERLAP
BRISTLES
OVERLAP
BRISTLES
SINGLE
BRUSH
RETAINERS
DOUBLE BRUSH RETAINER
BRUSH
SHAFT
FIGURE 24
• Brushessettoolow.
• Brushesarejammed
• Wheelsarejammed.
Wheels skid when sweeping. • Adjustheighttillbrushesare1/2"
down into grass.
• Stopsweeper.Removeobstruction.
• Removeonewheelatatimetocheck
forobstructionordamage.Referto
ServiceandAdjustmentssection.
SERVICE AND ADJUSTMENTS
TROUBLESHOOTING
IDLER
GEAR
WASHER WASHER
RETAINING
RING
WASHER
PINION
GEAR
DRIVE
PIN
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