DH14012010 Toyota Tundra

Double Cab SR5Installation Instructions

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Please read these Installation Instructions in their entirety prior to installing or operating this equipment.

Bolt Size Grade 5 Grade 81/4” 10 14

5/16” 19 293/8” 33 477/16” 54 781/2” 78 1195/8” 154 2303/4” 257 380

Bolt Torque Specifications Torque in Foot-Pounds for Inch Bolts

Bolt Torque Specifications Torque in Foot-Pounds for Metric Bolts

Bolt Size Grade 8.8 Grade 10.96MM 6 88MM 16 22

10MM 31 4012MM 54 7014MM 89 11716MM 161 23018MM 222 318

Seria

l Num

ber

!Refer to your vehicle’s owner’s manual for maximum towing capacity. DO NOT

overload your vehicle - failure to follow vehicle manufacturer’s recommendations could result in damage to your vehicle, personal injury or death.

WARNING

The Diamond Hitch is rated to 30,000 lbs. Gross Towing Weight and 7,500 lbs. Tongue Weight

!Failure to read and follow these instructions could

result in separation of the trailer from the truck, causing property damage, loss of towed vehicle,

personal injury or death.

WARNING

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Installation Instructions

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NOTICE•Whenusingpowerdrillsbeawareofthedangersoftorqueanddrillbitlength.•Whenusingareciprocatingsawbeawareofobjectsbehindthecuttingsurface.•Useagoodqualitypainttospraycutedgesofframetopreventrusting.•BesuretouseLoctite®Redonallboltsbeforetightening.Tightenallboltsaccordingtothetorque

chart provided.•Theinstallermustinstructtheoperatoronproperballinstallationandlockingprocedures.•Dealerorinstallerbecertaintheuserreceivestheseinstructionsheet.• IftheDiamondHitchisinanaccident,itmustbereplaced.DONOTuseitagain!Anaccident

can cause unseen damage and using it again could result in more damage or serious injury. DONOTusetheDiamondHitchifitisdamagedormissingparts.

•Trailerbrakesarerequired.• Insureverticalclearancefortheballwheninthestoredpositionbyverifyingitwillnothitbrake

lines etc.•Donotuseanyopenflameunderthetruckbedtocutorweld.Thereisextremedangerofexplosionorfire.

•Vehiclemustbesecurelyblockedandbrakessetbeforebeginningtoworkunderneaththevehicle.•Donotclamphitchoveranywiringorbrakelines.•Alwaysmakesuretrailerisloadedslightlytongueheavy.Donotpullatrailerthatislighteronthe

tongue end.

! WARNINGS

Instruction Notes:TheexhausthangersareremovedandreinstalledfortheDiamondHitchinstallation. Some drilling and trimming is required.

Placeallcomponentsthatareremovedonaflat,sturdysurface.AllitemswillbereinstalledunlessotherwisenotedaftertheDiamondHitchisinstalled.

Thedimensionalvariationsbetweenotherwiseidenticalvehiclescanbeconsiderable.WhiletheDiamondHitchwasdesignedforeasyinstallation,itmaybenecessarytotailorthehitchslightlytocompensate for vehicle manufacturer’s tolerances.

Maintenance/Care•Periodicallycleananydirt/debrisfromtheballandballhousingandlubricatethemwithwhite

lithium grease or equivalent grease.

DH14012010 Toyota Tundra Double Cab SR5

Installation Instructions

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1

5

11

6

7

2 15

9

12

104

17

14 16

3

8

13

Tools Required

Torque WrenchDrill

Tape MeasureLoctite® RED4”HoleSaw7/16” Drill Bit17/32” Drill Bit10MM Socket13MM Socket3/4” Socket3/4” Wrench

Important:UseonlygenuinefactoryreplacementpartsonyourDiamondHitch.DoNOTsubstitutehomemadeornon-typicalparts.Ifaboltislostorinneedofreplacement,foryoursafetyandthepreservationofyourhitch,besuretouseareplacementboltofthesamegrade(InmostcasesitwillbeGrade5,pleasereferencethepartslistabove).ReplacementpartsmaybeorderedthroughyournearestBlueOx®DealerorDistributor.Failingtofollowand/oraltering these installation instructions in either installation or required equipment will void the manufacturer’s warranty.

Item No. Part No. Description Qty.1.................................61-6569 .............................DH1401CenterSection ..................................................12.................................61-6567 .............................DH1401FrameSidePlate ..............................................23.................................62-3604 .............................BallAssembly ..................................................................14.................................101-8295 ...........................DH1401Z-Plate,DS ........................................................15.................................101-8296 ...........................DH1401Z-Plate,PS ........................................................16.................................101-8297 ...........................DH1401BottomPlate ......................................................27.................................201-0011 ...........................1/2”-13x1-1/4”HexHeadBolt,Grade5,ZP ..................68.................................201-0051 ...........................1/2”-13x1-1/2”HexHeadBolt,Grade5,ZP ..................49.................................201-0068 ...........................1/2”-13x1-3/4”HexHeadBolt,Grade5,ZP ..................610...............................201-0490 ...........................1/2”-13x3”HexHeadBolt,Grade5,ZP ........................411 ...............................201-0803 ...........................7/16”-14x6”x2-1/2”Sq.U-Bolt,Grade5,ZP ................212...............................201-0851 ...........................1/2”-13x3-3/4”HexHeadBolt,Grade5,ZP ..................413...............................202-0072 ...........................1/2”-13HexFlangeWhizLockNut,ZP .........................2414...............................202-0128 ...........................7/16”-14HexNylonLockNut ..........................................415...............................203-0005 ...........................1/2”FlatWasher,ZP ......................................................1416...............................203-0091 ...........................7/16”SAEFlatWasher,ZP .............................................817...............................222-0091 ...........................CompressionSpring,.60x.20x.049Dia. ......................418...............................62-3852(notshown) .........ExhaustHanger ...............................................................2

DH14012010 Toyota Tundra Double Cab SR5

Installation Instructions

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2. Measureback40-3/4”backfromtheendofthebed(nottailgate)andmarkthebed.Measurebetweenthewheelwellsandmarkthecenter.Drilla4”holethruthebed.

Note:Usingaboardwhiledrillingdecreasesthechancesofthebitwobblingoutofposition.

3. Onthedriversideonly,usinga13MMsocket,removethetwo(2)nutsfromtheoutsideoftheframe.Pulltheboxawayfromtheinsideoftheframe,theboxwillbereinstalltotheframeafter drilling and plate installation.

1. Usingthevehiclesjackhandletool,removethesparetireaspervehiclesownersmanual.

4. On the passenger side only, using a 10MM socket,removethetwo(2)boltsfromtheexhaustheatshield.Theshieldwillnotbereinstalled.

DH14012010 Toyota Tundra Double Cab SR5

Installation Instructions

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5. Remove the exhaust hangers next to the mufflerandtailpipe,byslidingtherubberinsulators off the hanger studs.

Note:Usingsiliconesprayontheinsulators eases removal from hangers.

6. Usinga17/32”drillbit,enlargetheexisting hole thru the frame. Do this on bothsidesofthevehicle.

7. Looselyattachtheframesideplate,using1/2”-13x1-1/4”boltwitha1/2”-13whiznut.Dothisonbothsidesofthevehicle.

8. On the driver’s side, use a 13MM socket toremovethefour(4)boltsfromthetank.Dropthetankdownawayfromthebedforcenter section installation.

9. Installthedriverandpassengerz-platesontothe frame sideplates with 1/2”-13 x 1-1/2” bolts,1/2”flatwashersand1/2”whiznuts.Oncethez-platesareinstalled,slidethecentersectionupontothez-platesandalignwiththeholeinthebed.

DH14012010 Toyota Tundra Double Cab SR5

Installation Instructions

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10. Installthebottomplateinbetweenthez-plateandcentersection.Installthree(3)1/2”-13x1-3/4”bolts,1/2”flatwashersand1/2”whiznutsthruthez-plateandbottomplate(white).Installtwo(2)1/2”-13x3-3/4”bolts,1/2”washersand1/2”whiznutsthruthez-plate,bottomplateandcentersection(gray).Theninstalltwo(2)1/2”-13x3”boltsand1/2”whiznutsthruthebottomplateandcentersection(black).Dothisonbothsidesof the vehicle. Fully tighten all hardware.

11. Usinga17/32”drillbit,drilltheremainingtwo(2)sideplateholesthrutheframe.Install1/2”-13x1-1/4”boltswitha1/2”-13whiznuts.Dothisonbothsidesofthevehicle.Fully tighten all hardware.

Note:Onthedriverside,reinstalltheboxtothefrontboltpriortoinstallingnut(inset).

12. Usinga7/16”drillbit,drillthefour(4)u-boltholesnexttotheballhousingthruthebed.Insertthe7/16”-14u-boltsthruthe holes from the topside. Install a 7/16” flatwasher,aspring,another7/16”flatwasher and 7/16”-14 lock nut onto each u-boltstud.Tightenuntilthewashersaretouching the spring without compressing it.

13. Reinstall the exhaust with the supplied exhaust hangers.

14. Reinstall the tank on the driver side. Reinstall the spare tire per vehicles owners manual.

DH14012010 Toyota Tundra Double Cab SR5

Installation Instructions

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Installing the Inverta Ball

2. Twisttheball30degreesclockwisewhileliftingslightlyuntilballdropsintopositionandlockingtabsnapsinplace.

1. Alignpin(seegreyarrow)withslotinhitch(seewhitearrow).Dropintoreceivercylinderanddepresslockingtab.

1. Pushinthelockingtabandthenliftandrotatetheballassemblycounterclockwise.Continuerotatingandliftinguntiltheballstud clears the receiver cylinder.

Removing the Inverta Ball

DH14012010 Toyota Tundra Double Cab SR5

Installation Instructions

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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 performanceofyourproduct.Simplycall(402)385-3051andyoucanspeakwithourcustomercareteam.

Additionally,pleasevisitourwebsitetoseewhichralliesourDestinationAmericateamwillbeattending. 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,thankyouforbeingourcustomerandfortheconfidenceyouhaveshownintheperformanceofourproducts.Itisbecauseofcustomerslikeyouweenjoythesuccesswehavetoday.

© 2013 Blue Ox One Mill Road, Industrial Park

Pender,Nebraska68047Phone:(402)385-3051Fax:(402)385-3360

www.blueox.com

2. Pushinthelockingtabandlettheballassemblydropintothereceivercylinder.

Pulltheballstraightuptoremoveitfrom

the stored position.

1. Align pin with storage slot in hitch.

Storing the Inverta Ball