Figure22
1.By-passvalves
LoadingMachines
Useextremecautionwhenloadingunitsontrailersortrucks.
Onefullwidthrampthatiswideenoughtoextendbeyond
thereartiresisrecommendedinsteadofindividualrampsfor
eachsideoftheunit(Figure23).Thelowerrearsectionof
thetractorframeextendsbackbetweentherearwheelsand
servesasastopfortippingbackward.Havingafullwidth
rampprovidesasurfacefortheframememberstocontactif
theunitstartstotipbackward.Ifitisnotpossibletouseone
fullwidthramp,useenoughindividualrampstosimulatea
fullwidthcontinuousramp.
Therampshouldbelongenoughsothattheanglesdonot
exceed15degrees(Figure23).Asteeperanglemaycause
machinecomponentstogetcaughtastheunitmovesfrom
ramptotrailerortruck.Steeperanglesmayalsocausethe
unittotipbackward.Ifloadingonornearaslope,position
thetrailerortrucksoitisonthedownsideoftheslopeand
therampextendsuptheslope.Thiswillminimizetheramp
angle.Thetrailerortruckshouldbeaslevelaspossible.
Important:Donotattempttoturntheunitwhileonthe
ramp;youmaylosecontrolanddriveofftheside.
Avoidsuddenaccelerationwhendrivinguparampand
suddendecelerationwhenbackingdownaramp.Both
maneuverscancausetheunittotipbackward.
WARNING
Loadingaunitontoatrailerortruckincreasesthe
possibilityofbackwardtip-overandcouldcause
seriousinjuryordeath.
•Useextremecautionwhenoperatingauniton
aramp.
•Useonlyasingle,fullwidthramp;Donotuse
individualrampsforeachsideoftheunit.
•Ifindividualrampsmustbeused,useenough
rampstocreateanunbrokenrampsurfacewider
thantheunit.
•Donotexceeda15degreeanglebetweenramp
andgroundorbetweenrampandtrailerortruck.
•Avoidsuddenaccelerationwhiledrivingunitup
aramptoavoidtippingbackward.
•Avoidsuddendecelerationwhilebackingunit
downaramptoavoidtippingbackward.
Figure23
1.Trailer3.Notgreaterthan
15degrees
2.Fullwidthramp4.Fullwidthramp—sideview
25