Blue Ox BX4375 Operating instructions

Type
Operating instructions
BX4375
Ascent Tow Bar
Operator Manual &
Installation Instructions
405-0637 Rev L Page 1 of 7 9/28/23
Please visit www.blueox.com for the latest version of these installation instructions.
Serial Number
Ascent Tow Bar
Class III (7,500 lb) 2-1/2 Inch Receiver
BX4375
Ascent Tow Bar
Operation Manual & Installation Instructions
405-0637 Rev L Page 2 of 7 9/28/23
DO NOT INSTALL, OPERATE OR USE THIS EQUIPMENT UNTIL THE FOLLOWING
OPERATING AND SAFETY INSTRUCTIONS HAVE BEEN READ AND UNDERSTOOD.
CAUTION: As with any mechanical product, care should be taken during installation
  andoperationtopreventyourngersfrombeingpinched.
General Information
1. Ensurethatyourproduct(s)areregisteredonlineatwww.blueox.com.Itiscrucialtoregisteryourproduct(s)
sothatyoumaybealertedofproductoerings,updates,upgrades,maintenanceandsafetybulletins,and/
orrecalls.
1. BlueOxtowbarsshouldonlybeusedwithvehiclesthataretowableorhavebeenequippedtobe
towed.
2. Followtowingproceduresinthevehicleownersmanual.
3. Towwithsteeringwheelintheunlockedposition.
4. Besurethefrontendofthetowedvehicleisproperlyaligned.Misalignedvehiclesmaycausepoor
trackingorabnormalwearonthetires.
5. The use of safety cables or chains are required by law in most states of the United States as
well as Canadian territories and provinces. Follow state or territory recommendations. Blue
Ox strongly recommends the use of safety cables (BX88196, Class III or BX88197, Class IV)
and permanent safety cables (BX88207, Class III or BX88208, Class IV) with all applications of
towing. Please refer to their specic installation instructions for more information.
6. Checkclearancebetweenvehiclesinallturningsituations.Checktheheightdierenceinyourtowing
setupandmakeappropriateadjustmentsbyfollowingtherecommendationsofthetowbarinstruction
manual.
7. Rearlightingisrequiredonthetowedcar.BlueOxoerslightingkitstocoverallofyourlighting
needs.ContactyourBlueOxrepresentativeformoreinformation.
8. Priortousage,inspectalltowingequipmentforcrackedwelds,missingorwornpartsandloosebolts.
9. Disconnectthetowedvehiclefromthetowingvehiclebeforebackingup.Do Not Back Up while
vehiclesareconnected!Damagetobothvehiclesandthetowingsystemmayoccur.Thetowed
vehiclemayjackknifecausingabnormalstresstothetowbar,carchassis,baseplateand/orpintle
hitchofthetowingvehicle.Theseabnormalstressesmaycausedamagethatmaygoundetected.
10. Avoidsharpturnsandroughterrain.Checktowingsetupafteranyemergencysituationand/or
periodicallyonalongtrip.
11. Ifthetowbarisinanaccident,itmustbereplaced.DO NOT use it again! An accident can cause
unseendamageandusingitagaincouldresultinmoredamageorseriousinjury.DO NOT use the
towbarifitisdamagedormissingparts.
12. Do not use the towed vehicle for storing luggage, etc.; which may cause you to exceed the
towing capacity of the tow bar, baseplate, and its accessories.
13. Ensure that your towing vehicle is of adequate size to properly control your towed vehicle.
The weight and braking capacity should be large enough to handle both vehicles in an
emergency situation. Check your towing vehicle manufacturers recommendations for towing,
hitch load, and braking capacities. The hitch, ball, motorhome chassis, and safety cables
(each individual cable) need to be rated at a minimum for the weight of the vehicle being
towed.
14. Dealerorinstallerbecertaintheuserreceivestheseinstructionsheets.
15. DO NOT usetoolswhenhookinguporunhookingthatarenotrecommendedbyBlueOx.
BX4375
Ascent Tow Bar
Operation Manual & Installation Instructions
405-0637 Rev L Page 3 of 7 9/28/23
1. Slidethehitchconnectorintothereceivertubeofyourtowingvehiclehitch,ensuringthatthetow
barisrightsideupwiththelockinghandlesontop.Installthereceiverpinprovidedintooneofthe
twoholesofthehitchreceiver.Theinsideholeofthereceivertubeismostcommonlyused.Blue
Oxoersreceiverandtowbarlocksets(BX88101&BX88177)thathelppreventtheft.Contact
BlueOxformoreinformation.
NOTE: Thecongurationoftherearofyourtowingvehiclewilldeterminehowfaryoucanslide
thehitchconnectorintothereceivertube.Later,whenthetowbarisfolded,youmayneedto
changewhichsetofholesareusedinthehitchconnectorororderalongerhitchconnector.
Tow Bar Installation
1. Positionthetowingvehicleonalevelsurfacewithastraightdrivewayaheadandengagethe
parkingbrake. Positionthetowedvehiclebehindthetowingvehicleintheapproximatetowing
position.
2. Partiallyextendoneleg.Thelegsareheldinwithaninternal“soft”latch.Pullingoutontheleg
willdisengagethislatch.Placethetriplelugbetweentheattachmenttabsonthebaseplate,and
securewiththe1/2”pinandquickpin.Besurethe1/2”pinisinstalledcorrectly through the
attachmenttabwiththenosetowardsmiddleofthebaseplate.Repeatforbothlegs.
3. Onthetowedvehicle,disengagetheparkingbrakeandsetupthetransmissionfortowingand
unlockthesteeringwheel.Pullforwardwiththetowingvehicleuntiloneorbothofthelocking
handlesareengagedandlocked(whenlockedtheywill“pop”up).Ifonlyonelockinghandleis
locked,turnthetowedvehicle’ssteeringwheeltowardstheunlockedtowbarlegapproximately
1/2to3/4turn,beforecontinuingforward.Drivethetowingvehicleforwarduntilthesecondleg
locksintoplace.
Hooking Up to Towed Vehicle
CAUTION: Itisimportantthattheattachment
pointsatthecenteroftheattachmenttabsandthe
centerofthecoach'shitchreceivershouldbeof
equaldistance.Ifadeviationmustoccur,thenitis
recommended that the hitch receiver be no more
than3”aboveorbelowtheattachmenttabsofthe
baseplate.
Note:Insomesituationsextralengthmayberequiredfromthetowbarreceivertothetowing
vehicle’sreceiverhitchtoachievesucientclearances.However,BlueOxonlyapprovestwo
or less connection points between the towing and towed vehicle, with a length no greater than
13.5”(hitchpintohitchpin)ontheextension/dropreceiver.
Example:Havingatowbar,dropreceiver,andhitchextenderisNOTrecommendedasit
exceedsthemaximumtwopointsofconnection.
UsingyourBlueOxtowbarsystemwithextensionsthatincludemorethantwoconnection
pointsoralengthgreaterthan13.5”(hitchpintohitchpin),orinanyothermannerthatis
contrarytoorotherwisenotconsistentwiththerecommendations,approvalsorpoliciesof
BlueOx,constitutesadangerousmisuseoftheproductandwillvoidanyandallwarranties
ontheproductbothexpressandimplied.
3”
3”
BX4375
Ascent Tow Bar
Operation Manual & Installation Instructions
405-0637 Rev L Page 4 of 7 9/28/23
1. Parkthetowingvehiclewithvehicleintow,in a straight line, on a level surface to ensure
minimumpressureisexertedonthetowbarlegs.Thiswillaidintheremovalofthe1/2”pins.
Engagethetowingvehicleparkingbrake.Placethetowedvehicleeitherinparkforautomatic
transmissionsorsecurelyinrstgearformanualtransmissionsandengagetheparkingbrake.
Unhookthelightingandsafetycables.
2. Disengagetheleglatchesbypushingdownonthelockinghandles.Removethequickpinsand
1/2”pinsattachingthetriplelugstotheattachmenttabs.Youmayneedtotapthe1/2”pinsoutif
thereisstillpressureonthem.Compressbothlegscompletelyuntiltheylockinplace.Placethe
1/2”pinsbackintothetriplelugsandsecurewiththequickpinstoavoidlosingeitherofthem.
NOTE: Eachlegisequippedwithamagneticlatchinsidetheend.Slideeachleginwarduntilthey
areheldinplacebythemagneticlatch.
Unhooking from Towed Vehicle
1. Utilizingthehooks,attachthecablestoasolidpartofthechassisonthetowedvehicleorthe
conveniencelinksofthebaseplateinacrossingpatternunderneaththetowbar.Verifythesafety
snapclicksbackagainstthehookinordertopreventdisconnection.
2. Adjustslackifneededallowingenoughroomforturns.Cablesshouldnotcomeincontactwith
the ground, pintle coupler or the locking handles; damage could occur! DO NOT USE DAMAGED
CABLES! Routecablesawayfromthelockinghandles.Safetycablecontactwithalockinghandle
could cause the leg to become unlatched and collapse, leading to major damage to one or both
vehiclesandtowingequipment.DO NOT WRAP SAFETY CABLES AROUND THE LEGS!
3. Verifytheloadcapacityofcablesorchainsusedmeetstheneedsofthetowingsetup.
Safety Cable Installation
IMPORTANT:Checktoensurebothlegsarelatched
properlyandpinsaresecuredproperlybeforetowing.
Whenproperlyinstalledthequickpinringwillsnap
backontoitself,andthechamferedsidewillbe
facingoutwards.Thesteeringwheelonthetowed
vehicle must be unlocked at all times while being
towed.Failuretodosowillcreatehazardousdriving
conditions.
CorrectCorrect
IncorrectIncorrect
BX4375
Ascent Tow Bar
Operation Manual & Installation Instructions
405-0637 Rev L Page 5 of 7 9/28/23
Tow Bar Storage Position
Figure 1
Figure 2 Figure 3
1. Swingthelegsinwardstowardseachother(Figure1).
2. Withlegstogether,swingthemuptowardsthetowing
vehicle.(Figure2).
3. Rotatethelegsdowntoeithersideuntiltheearsof
thelegcapturetheholduptabofthehitchconnector
(Figure3).
Thistowbarrequiresperiodicmaintenance.Itwillbesubjectedtoroaddirtandweatherduringuse.We
recommendafulltowbarserviceeverytwo(2)yearsor10,000miles.Thefollowingtipswillhelpmaintainthe
conditionofyournewtowbar.
1. Keepthetowbarcoveredwhennotinuse,onoroofthetowingvehicle.Thiswillcutdownonthedirtbuildup
onthelegsandjointsofthetowbar.ABX88308towbarcoverisrecommended.
2. Periodicallycleantheentiresurfaceofthetowbarwithamildsoapandwatersolution.Wipedrywithaclean
cloth.
3. Checkforcrackedweldsandrepairanyloose,wornordamagedbolts,rubberbootsorcapplugs.
4. Approximatelyonceperyearorifitisdiculttomovethelegsinandout,removethesmallcabletiesholding
therubberbootstothelegsandslidethebootsback.Cleanotheinnerlegswithasiliconesprayorbrake
cleaner.Applyalightcoatofmultipurposegreasetoeachlegtoensureasmoothoperation.Secureeachboot
backinplacewithan8”UVratednyloncabletie.
Note:Onlytheinnerlegsrequiregreasefornormaloperation.Allothertowbarjointsrelyonselflubricating
washers,ifthesejointsbecometosticleanasdirectedwithsoapandwater.
5. Beforeeachtripcheckformovementinthebaseplate.Grabthebaseplatetabsandmoveupanddown,making
surethebaseplateisstillsecuretothevehicle’sframe.
 CalltheCustomerCareDepartmentat402-385-3051tolearnhowyoucanhaveyourtowbarservicedforafee
byaBlueOxTechnicianatrallies,byvisitingourPenderfacility,orbymailingyourtowbartothefactory.They
canalsohelpndaBlueOxDealertohelpserviceyourtowbar.
If the tow bars legs do not operate smoothly or the joints become excessively loose, take your tow bar to
an authorized Blue Ox Dealer or call Blue Ox Customer Care for repairs.
Tow Bar Maintenance
BX4375
Ascent Tow Bar
Operation Manual & Installation Instructions
405-0637 Rev L Page 6 of 7 9/28/23
Replacement Parts
ItemNo. PartNo. Description Qty.
1.................................BX88425(shown)...............HitchConnector,Standard2-1/2”....................................1
2.................................84-0213.............................LegAssembly,DriverSide...............................................1
3.................................84-0214.............................LegAssembly,PassengerSide.......................................1
BX88154 (Triple Lug Kit)
4.................................299-0736...........................OsetTripleLug..............................................................2
5.................................229-0520...........................1/2”Pin............................................................................2
6.................................62-3213.............................QuickPin.........................................................................2
7.................................201-0826...........................1/2”-13x2-1/4”HexHeadBolt........................................2
8.................................202-0143...........................1/2”-13EssnaJamNut,ZP.............................................2
84-0140 (Pins w/Clips Kit)
9.................................229-0520...........................1/2”Pin............................................................................2
10...............................62-3213.............................QuickPin.........................................................................2
Additional Kits Available (Not Shown):
11...............................84-0229.............................TowBarRubberBootKit,2”............................................1
12...............................84-0191.............................TowBarDSLatchAssemblyKit......................................1
13...............................84-0195.............................TowBarPSLatchAssemblyKit......................................1
14...............................84-0221.............................TowBarLatchRetainerKit..............................................1
15...............................84-0194.............................TowBarHandleGripKit..................................................2
16...............................84-0196.............................TowBarWasherReplacementKit...................................1
17...............................84-0204.............................PivotShaftBushingKit....................................................1
Important:
Useonlygenuinefactoryreplacementpartsonyourtowbar.DoNOTsubstitutehomemadeornon-typicalparts.Ifaboltislostorinneedof
replacement,foryoursafetyandthepreservationofyourtowbar,besuretouseareplacementboltofthesamegrade(InmostcasesitwillbeGrade5,
pleasereferencethepartslistabove).ReplacementpartsmaybeorderedthroughyournearestBlueOx®DealerorDistributor.Failingtofollowand/or
alteringtheseinstallationinstructionsineitherinstallationorrequiredequipmentwillvoidthemanufacturer’swarranty.
1
2
3
5
7
6
4
8
9
10
BX4375
ITEM NO.
PART NUMBER
DESCRIPTION
QTY.
1
61-7572
WLDM'T, HITCH CONN, 2 1/2" STANDARD
1
6
62-3213
QUICK- PIN
2
3
62-4042
LEG ASSY, W/ LOCK HANDLE, PS, TOW BAR
1
2
62-4043
LEG ASSY, W/ LOCK HANDLE, DS, TOW BAR
1
4
100-1176
CASTING, OFFSET TRIPLE LUG
2
9
190-0207
SPACER, 1.49 OD X .688", PLASTIC
2
10
201-0644
3/4-16 X 3-1/4 HX BLT, ZP, SHRT THRD
2
7
201-0826
1/2-13 X 2 1/4, BOLT HH GRD5, ZP
2
8
202-0143
1/2-13 ESSNA JAM NUT, ZP
2
5
229-0520
PIN, 1/2 X 2-5/8 EFF.
2
BX4375
Ascent Tow Bar
Operation Manual & Installation Instructions
405-0637 Rev L Page 7 of 7 9/28/23
2” Receivers 2-1/2” Receivers
BX88433
BX88395
BX88434
BX88424
BX88425
BX88426
Optional Hitch Connectors
© 2022 Blue Ox
One Mill Road, Industrial Park
Pender, Nebraska 68047
Phone: (402) 385-3051
Fax: (402) 385-3360
www.blueox.com
CUSTOMER SERVICE COMMITMENT
BlueOx®iscommittedtoprovidingyouwithexceptionalcustomercarethroughoutyourlifetime
withourproducts.Ourteamisheretoassistyouwithanyquestionsyoumayhaveregardingthe
performanceofyourproduct.Simplycall(402)385-3051andyoucanspeakwithourtechnical
serviceteam.
Additionally,pleasevisitourwebsitetoseewhichralliesourteamwillbeattending.Foranominalfee,
ourservicetechnicianwillserviceyourtowingsystemtoensureit’sinproperworkingcondition.Also,
asacommitmenttoourcustomers,shouldyouvisitourfactory,youcanstayatourfullserviceBlue
Ox®campgroundatnochargealongwithenjoyingafactorytour.
Again,thankyouforbeingourcustomerandforthecondenceyouhaveshownintheperformance
ofourproducts.Itisbecauseofcustomerslikeyouweenjoythesuccesswehavetoday.
Note: When comparing the maximum tow capacity of the hitch connector and tow bar,
the lesser of the two is the total tow capacity of the items together.
BLUEOXORIGINALPURCHASERS
THREEYEARLIMITEDWARRANTY
AutomaticEquipmentManufacturingCompany(“Automatic”)warrantstotheoriginal(rst)retailpurchaserthat
thisproduct,manufacturedbyAutomatic,shallbefreefromdefectinmaterialandworkmanshipundernormal
useandserviceforaperiodofthreeyearsfromthedateofdelivery.
Duringsaidthree-yearperiod,Automaticwillrepairorreplaceanypartsthathavebeenreturnedbytheoriginal
purchaser,tothefactory,transportationprepaid,andinAutomatic’ssoleandabsoluteopinionfoundtobe
defective.
LimitationsonWarrantyCoverage:
Coverageunderthiswarrantywillbevalidonlyifthecustomerwarrantycardisreturnedbytheoriginal
purchaserwithin30daysofpurchase.
Coverageunderthiswarrantywillbeeectiveonlywhenacopyoftheoriginalinvoice,showingdateandplace
ofpurchase,accompaniesanyclaimforwarranty.ThiswarrantyisNONTRANSFERABLE.
Thislimitedwarrantywillnotcover,inanywayorform,anyallegeddamagescausedbyincorrectorimproper
installation,improperuse,modicationorneglectofproduct,failuretoproperlyserviceandmaintain,misuse,
actofGod,accidentorfailureoftheusertofollowguidelinescontainedintheinstructionalmaterialprovidedby
Automatic.
Thiswarrantydoesnotcovernormalwearandtear,paintorrust.
Warrantorassumesnoresponsibilitytotheownerforlossofuseofproduct,lossoftime,inconvenienceor
anyotherdamageconsequentialorotherwise.Including,butnotlimitedtomileage,expenseoftransporting
ofproduct,returnshippingexpense,mechanicstraveltime,telephone,roadservice,towing,andrentalduring
repairs,travel,lodging,lossordamagetopersonalpropertyorlossofearnings.
REPAIR OR REPLACEMENT AS SET FORTH IN THIS LIMITED WARRANTY IS THE SOLE EXCLUSIVE REMEDY OF
THE PURCHASER. AUTOMATIC SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES
FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY ON THIS PRODUCT. EXCEPT TO THE EXTENT
PROHIBITED BY APPLICABLE LAW, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE ON THIS PRODUCT IS LIMITED IN LENGTH TO THE DURATION OF THIS WARRANTY.
Pleasevisithttp://blueox.com/warranty/ to register your warranty
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Blue Ox BX4375 Operating instructions

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Operating instructions

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