Operator's Manual

g014116
Figure20
1.Pressurein2.Returnout
Important:Donotallowthehydrauliclines,
thepowercable,andthependantcablesto
dragonthegroundduringoperation.Avoid
locationswheretheycouldbecomepinched
orcut.
7.OnSHmodelsplacetheon/offpendantwithin
reachofthedriver’sseat.Ensurethattheswitch
isoff.
8.Connectthe7-pincoiledpowercabletothe
socketonthemachineandthetowvehicle
(Figure21).
g234790
Figure21
1.7-pincoiledpowercable
9.Checkthehydraulicoillevelinthetowvehicles
tankandaddmoretollit,ifnecessary;referto
thetowvehicleowner’smanual.
10.Testthehydraulicsbeforeoperatingthemachine
forthersttime.
11.Settheelectricbrakeasfollows:
•Beforeoperatingthemachineforthe
rsttime,theelectricbrakesmustbe
synchronizedtothetowvehicle’sbrakes(so
thattheyoperateatthesametime).
•Themachineandthetowvehiclewillseldom
havethecorrectamperageowtothe
brakemagnetstoprovidecomfortable,safe
braking.Changingtheloadweight,aswell
asunevenalternatorandbatteryoutput,can
resultinunstablecurrentowtothebrake
magnets.
•TheLoadControlcompensatesfortrailer
loadvariationsbylimitingthemaximum
torqueoutputofthebrakesbyadding
droppingresistanceintheelectricalcontrol
line.Whentowingatrailerloadedtobrake
ratedcapacity,theBrakeControlmustbe
setatmaximumbraking.Whenpullingan
emptyorpartiallyloadedtrailer,theBrake
Controlmustbesetbetweenmaximumand
minimumbrakingatapositionjustbefore
thepointatwhichtrailertireskiddingoccurs
whenactuatingthehandcontrolfullyon.
FailuretoinstallandusetheElectricBrake
Controlwillresultinexcessivebraketorque
whenstoppingatrailerloadedtolessthan
brakecapacity.
CAUTION
Ifyouhearanoisefromthetowvehicle
hydraulicsandthemachinecontrols
donotoperate,thehoseshavebeen
connectedincorrectlyandmustbe
reversed.
Note:Youmayhavetorelievethepressurein
thehosesofthemachineconnectingtothetow
vehicle,toensureacompletedconnection.
Important:Whenmakingsharpturns,
thehydraulichosesmaycontactthetow
vehiclewheels.Avoidmakingsharpturns,
ifnecessary,useabungeecord(arubber
strapwithhooksonbothends)topullback
thehosestowardthecenter.
Thecapabilitiesofthemachinemayvarydepending
onthesizeandtypeoftowvehicle.
•Forbestresults,useatowvehiclewithatleast
45hpand4-wheeldrive.Atowvehiclewithless
than45hpwilllimitwhereyoucangoandhow
muchpayloadyoucandeliver.Forexample,a27
hptowvehiclecantowafullyloadedmachineover
atterrain,butnotonsteephills.A4-wheel-drive
vehiclewillalsoimproveperformanceonhills.
•Withasmallertowvehicle,youmayneedto
reducethepayloadto2m3(2.6yd3)ofmaterial
forspreadingindifcultterrain.Anotheroptionis
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