Maintenance

AdjustSafetySwitch

Adjustallsafetyswitchessoplungerextends3/16
inchto1/4inch(4.8mm-6.4mm)fromswitchbody
whenplungeriscompressed(seeFigure12).
Figure12
1.3/16inchto1/4inch(4.8mm-6.4mm)

BrakeAdjustment

Checktomakesureeachbrakeisadjustedproperly.
1.Pullthebrakeleverupandbacktotheengaged
position.
2.Agapmustexistbetweenthebottomofthebrake
boltheadandthetopsurfaceofthebrakeswivel
asshowninFigure13.Ifagapdoesnotexist,
adjustthelinkagetoamaximumgapof1/2inch
±1/8inch(1.3cm±0.33cm)asshown.
Figure13
BrakeAdjustmentforEachSide(Separately)
1.BrakeLeverinengaged
position
4.BrakeBolt
2.Loosennuthere5.BrakeSwivel
3.1/2inch±1/8inch(1.3
cm±0.33cm)
3.Thebrakesonbothsidescanbesimultaneously
adjustedbylengtheningorshorteningthelinkage
showninFigure14.
Figure14
BrakeAdjustmentforBothSides
(Atthesametime)
1.BrakeLeverinengaged
position
3.Rotateyoke
2.Removeclevispin4.Loosennuthere
4.Ifindividualadjustmentisnecessary,loosenthe
jamnutonthebrakeboltthatisagainsttheclevis
connectedtothebrakearmonthewheelmotor.
Turnthebrakebolttoachieveproperadjustment.
5.Tightenthejamnutagainsttheclevis.
6.Repeatforothersideofunit.
7.Engageanddisengagethebrakestocheckfor
properengagementanddisengagement.Readjust
ifnecessary.Whenthebrakesaredisengaged,
thereshouldbefreeplayinthebrakelinkagewith
nodragginginthebrakes.

AdjustSpeedControlLever

Tension

1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Tensioninspeedcontrollevercanbeadjusted
byadjustingthetightnessoftheleverpivotbolt,
whichislocatedundertheseatnearthespeed
controllever(seeFigure15).
3.Setthetensionhighenoughthatthespeedcontrol
leverpositionismaintainedduringoperationand
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