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1. Spicer Axles amp Brakes ABIB 0302 Information Bulletin Bulletin Type Parts Service Information Topic Dana LMS Hub Assembly Procedure Steer and Drive Axles Note Bulletin ABIB 0302 replaces the original bulletin ABIB 9606 The Dana LMS hub design eliminates bearing adjustment and variables that cause excessive endplay leading to premature wheel seal failures The Dana LMS hub design combines proven seal technology with precision manufactured bearing spacers and special tolerance bearings The Dana LMS Hub is available on the following Steer and Drive Axle Models Steer Axles F 10001 E 12021 E 14621 E 1200 E 1460 E 1320I Drive Axles All R series spindles only WARRANTY COVERAGE Installation of the LMS Hub requires certification by Dana The Dana LMS Hub is covered for 3 years 350 000 miles for On Off Highway applications when installation is performed by certified installers and Dana approved synthetic lubes are used A CAUTION The wheel seal cannot be reused Any time the hub is removed from the spindle the seal must be replaced Failure to follow this requirement will void warranty A WARNING Do not attempt to make LMS hubs by using LMS bearing spacer and seals in a standard hub This may result in a seal or bearing failure which may result in loss of wheel end and or loss of vehicle control 04 03 1 of 11 ABIB 0302 a PARTS INFORMATION IMPORTANT This is a
2. Continue to add oil until the oil reaches the oil level line as indicated on the hubcap Center Fill Port 1 Hub mating surface must be free of dirt burrs and radial score lines Hub mating surface hubcap flange and gasket should not be greased or oiled Always install and reinstall a hubcap with a new gasket Side Fill Port Install the hubcap and tighten hubcap bolts to the specified torque oS a a Tf Fill the hubcap through the center fill port to the proper level between add and full Center Fill Port 6 Rotate the hub several times then verify the lube is at the proper level Use only Dana approved synthetic lube Side Fill Port 1 Fill wheel end assembly through side fill port with the specified grade of oil 2 Install side fill hubcap plug and torque to 15 25 Ibs in 3 Clean up any overspills that would give the appearance of a leaky hubcap Lubrication fill Semi fluid wheel ends 1 Fill the hub cavity until the lube exits at the 3 and 9 o clock positions of the outer bearing This represents a 50 hub cavity fill Coat the spindle nut and spindle with lube Place 2 oz of lube on the inner surface of the hubcap Hub mating surface must be free of dirt burrs and radial score lines Hub mating surface hubcap flange and gasket should not be greased or oiled Always install and reinstall a hubcap with a new gasket a ee ee as oe o Install the hubcap and tighten hubcap bolts to the specified t
3. lock washers can cause wheel separation 4 Install the inner spindle nut with dowel pin outward and tighten See Figure 6 5 While rotating wheel end torque the inner nut e Steer Hubs 250 300 Ib ft Do not back off e Drive Hubs 300 350 Ib ft Do not back off 6 While rotating wheel end torque the inner nut 7 Install the dowel type washer onto the axle spindle aligning tab with keyway If washer does not align with dowel pin on inner nut remove washer and turn over and reinstall If after this washer still does not align with dowel pin tighten inner nut just enough for alignment Never tighten the nut more than half the distance between the holes A CAUTION NEVER back off the spindle nut to align dowel pin with dowel washer A CAUTION When using LMS Hub always install the identification tag 8 Install the identification tag onto the spindle over the outside diameter of the dowel type lock washer with the anti rotation bosses inboard and over the flats of the inner spindle nut Note The identification tag is retained between the tang type lock washer and the inner nut 9 Install the outer wheel nut on the spindle and tighten 10 Torque the outer spindle nut to 200 50Ib ft See Figure 6 Note If the washer tang and nut flat are not aligned remove washer turn it over and reinstall If required tighten the outer nut just enough for alignment A CAUTION NEVER back off the spindle nut to align tang type washer
4. or more Hold axle in this position for one minute figure 3 Lower the left side Raise the right side of the axle 6 inches or more Hold axle in this position for one minute figure 4 oe Soe Lower the right side 10 With axle on a level surface add lubricant through housing cover oil filler hole until fluid is level with the bottom of the hole figure 1 Note Axles without wheel end fill holes will require approximately 2 5 additional pints of lubricant to bring the lube level even with the bottom of fill hole Note For more detailed information refer to Dana Wheel End Service Manual WESM 0060 A WARNING Do not attempt to make LMS hubs by using LMS bearing spacer and seals in a standard hub This may result in a seal or bearing failure which may result in loss of wheel end and or loss of vehicle control 04 03 9 of 11 ABIB 0302 a LMS Hub Periodic Inspection and Preventive Maintenance Along with normal pre trip inspections and current shop preventative maintenance Dana recommends a complete inspection of the LMS hub during brake and or tire service Visual Inspection Visually inspect for leakage and oil contamination 1 Check to see that no oil is present around the hubcap or on the wheel 2 Check to see that no oil is present on the hub brake hardware or brake shoes A CAUTION If oil is present investigate the cause and take corrective action 3 Visually inspect the lubricant for discoloration Un
5. pre adjusted wheel hub and bearing system Components required are a special tight tolerance hub bearing spacer bearings oil bath seal three or four piece dowel type nut system and identification tag Note Purchase Genuine replacement Hub and Cup Assemblies through O E M Note A special installation tool to hold outer bearing cone in place during assembly to spindle is recommended This also helps prevent cocking of the wheel seal that may occur during installation WARNING LMS hub components are made to special tight tolerances Installation and or servicing with other components will either create excessive endplay or cause excessive pre load reducing bearing and seal performance Wheel separation may also occur Installation Tools Steer Hub Centering Tool 970885 Steer Bearing Retainer 970888 Drive Hub Centering Tool 970886 Drive Bearing Retainer 9 970887 DRIVE AXLE PARTS LIST LM a STEER AXLE PARTS LIST L MS Hub amp Cup Assembly 1 S Hub amp Cup Assembly i Assemblies Assemblies 129378 3 LMS Identification Tag 129391 Note With LMS Hubcap there will not be an identification tag Inner Spindle Nut 119882 Dowel Type Lock Washer 119883 Tang Type Lock Washer 129132 Outer Spindle Nut 119881 LMS Identification Tag Inner Spindle Nut Contact vehicle OEM for specific part numbers A WARNING Do not attempt to make LMS hubs by using LMS bearing spacer and seals in a stan
6. with spindle nut flats A WARNING Do not attempt to make LMS hubs by using LMS bearing spacer and seals in a standard hub This may result in a seal or bearing failure which may result in loss of wheel end and or loss of vehicle control 04 03 5 of 11 ABIB 0302 DANA 11 Secure the outer nut by bending two opposing 180 degrees apart tangs of the tang type washer over two flats of the outer nut on drive axle Bend tang over on steer axles See Figure 6 Figure 6 Dowel type Spindle Nut Lock Tang type Washer Retainer Washer as 9 rm Steering le Knuckle A Dowel Spindle Pin LMS identification Outer Spindle Tag hitr NOTE Optional three piece nut system is available A WARNING Attempts to measure wheel endplay of the completed LMS hub system may result in false readings lf endplay measurements are attempted use a precision dial indicator Apply a strong push on the hub while rotating the hub back and forth Work the hub until the dial indicator shows no additional movement Then apply a strong pull while rotating the hub back and forth Work the hub until the dial indicator shows no additional movement Endplay measurements greater than 008 may indicate a need to verify the correct components were used and the spindle nut was installed per the specifications A WARNING LMS hub components are made to special tight tolerances Installation and or servicing with other components will either cre
7. ailure which may result in loss of wheel end and or loss of vehicle control Operating Temperature Check LMS Hub Wheel End as the vehicle enters the service area following a normal run If the hub is running at a temperature in excess of 150 F above ambient in normal operating conditions service may be required Functional Checks Note Conduct the following inspections with the wheel s and drum removed A WARNING Never work under a vehicle supported by a jack without supporting the vehicle with jack stands and blocking the wheels 1 Rotate the hub and check for free smooth and quiet rotation If rotation is hampered the LMS Wheel End should be serviced immediately 2 Remove the hubcap and install a dial indicator with a magnetic base on the spindle end 3 Check the endplay measurement by grasping two wheel studs across from each other on the hub Pull and push the hub 4 Record the endplay measurement A CAUTION LMS Wheel Ends should be serviced if endplay exceeds 006 04 03 11 of 11 Copyright Dana Corporation 2003 Printed in USA ABIB 0302 All Rights Reserved S PI CE F Dana Corporation Commercial Vehicle Axle Division PO Box 321 Toledo Ohio 43697 0321 For spec ing or service assistance call 1 800 621 8084 24 hours a day 7 days a week Or visit our web site at http Awww spicerparts com
8. ate excessive endplay or cause excessive pre load reducing bearing and seal performance Wheel separation may also occur 12 Install new gasket on axle shaft flange for drive axles or install new gasket on hub cap for steer axles 13 Install axle shaft on drive axle or install hub cap on steer axle Tighten axle flange nuts or hub cap nuts to specified torque 14 Fill and lubricate axle and wheel ends with Dana approved synthetic lubes See Wheel End Lubrication Procedure Note Purchase Genuine replacement Hub and Cup Assemblies through 0 E M A WARNING Do not attempt to make LMS hubs by using LMS bearing spacer and seals in a standard hub This may result in a seal or bearing failure which may result in loss of wheel end and or loss of vehicle control 04 03 6 of 11 ABIB 0302 a WHEEL END LUBRICATION A CAUTION Before operating the axle the wheel hub cavities and bearings must be lubricated to prevent failure When wheel ends are serviced follow Dana s wheel end lubrication procedure before operating the axle Steer Axles Lubrication fill Oil type wheel ends Note Wheel hub configurations vary allowing different amounts of oil to be added depending on design Allow for the oil to seep through the outer bearing and fill the hub cavity Note During this fill operation do not allow the oil to go above the centerline or weep hole This may result ina weeping condition that may be perceived as a leaking hubcap
9. dard hub This may result in a seal or bearing failure which may result in loss of wheel end and or loss of vehicle control 04 03 2 of 11 ABIB 0302 a INSTALLATION PROCEDURE The following service procedures apply to the wheel end assemblies of the Dana steer and drive axle models listed Follow these service and assembly procedures carefully to obtain proper wheel bearing adjustment and to increase service life A WARNING Never work under a vehicle supported by only a jack Always support vehicle with jack stands Block the wheels and make sure the vehicle will not roll before releasing the brakes IMPORTANT Wheel seals can be easily damaged during handling Leave the seal in its package until installation to prevent damage or contamination LMS HUB ASSEMBLY BUILD UP PROCEDURES 1 Inspect Clean the hub cavity spacer and bearing bores for any contaminants Important Lubricate the wheel seal and inner and outer bearing cones with the same lubricant used in the axle sump for drive wheel ends or lubricant to be used in hub for steer axles A CAUTION When using an oil bath system do not pack the bearings with grease Grease will prevent the proper circulation of axle lubricant and may cause wheel seal failure A CAUTION For steer axle hubs install the bearing spacer into the hub assembly with large diameter end facing the inner bearing cup This must be done before bearing and seal are installed 2 With hub or wheel end as
10. der normal conditions the oil will darken slightly A white or milky appearance indicates water contamination If the inspection indicates contamination completely service the LMS Wheel End Use genuine LMS replacement parts IMPORTANT Replace seals and lubricant every 500 000 miles SERVICING THE LMS HUB ASSEMBLY The LMS Hub system is designed for extended service without any maintenance since the LMS Hub system uses standard size spindle ends the entire system is serviceable with the ability to re build with industry available components should an emergency truck down situation occur However to ensure optimum performance of the LMS Hub system Dana suggests that the hub be rebuilt or serviced with the original components External Inspection 100 000 miles or Annual Inspection Check the lube level and condition of the oil fill hubcap If lube is contaminated replace lube with the same lubricant If the lube condition is good and the level is low fill to the proper level Check for any signs of leakage at the seal or hubcap gasket areas Check for soaked brake linings Take appropriate action if leaks or oil soaked brake linings are detected Raise the vehicle and check for smooth rolling of the wheels Check for tire cupping not regular tire wear Check for signs of excessive endplay in the wheels end This does not include removal of the hubcap A Note The semi fluid grease will not show the normal spreading over the h
11. orque A WARNING Do not attempt to make LMS hubs by using LMS bearing spacer and seals in a standard hub This may result in a seal or bearing failure which may result in loss of wheel end and or loss of vehicle control 04 03 7 of 11 ABIB 0302 DANA Drive Axles Dana axles may be equipped with either of two wheel end designs e Wheel ends with an oil fill hole see figure below Fill Hole I ne se Li ET me lee nt US Ss SR Tae Lube Level oS e Wheel ends without an oil fill hole See figure below lt _ YG z Se z ai Gi i ee Lubrication Flow from Sump Wheel Ends with an oil fill hole proceed as follows 1 Rotate the wheel end hub until the oil fill hole is up 2 Remove the oil fill plug 3 Pour 21 oz of axle sump lubricant into hub cavity through wheel end fill hole 4 Install oil fill plug and tighten to specified torque A WARNING Do not attempt to make LMS hubs by using LMS bearing spacer and seals in a standard hub This may result in a seal or bearing failure which may result in loss of wheel end and or loss of vehicle control 04 03 8 of 11 ABIB 0302 a Wheel Ends without an oil fill hole proceed as follows see Figure 9 5 With axle level and wheel ends assembled add lubricant through filler hole in axle housing cover until fluid is level with the bottom of filler hole figure 1 Raise the left side of the axle 6 inches
12. ounting surface of the hub assembly with two existing nuts studs or bolts Hand tighten the nuts bolts until the installation tool presses against the outer bearing cone see Figure 5 Figure 5 10 The LMS Hub assembly is complete and ready for installation on the spindle A CAUTION Failure to use all required LMS components will increase wheel endplay and reduce seal performance A WARNING Do not attempt to make LMS hubs by using LMS bearing spacer and seals in a standard hub This may result in a seal or bearing failure which may result in loss of wheel end and or loss of vehicle control 04 03 4 of 11 ABIB 0302 a LMS HUB ASSEMBLY INSTALLATION ONTO SPINDLE PROCEDURE 1 Inspect the spindle and nut threads for corrosion and debris clean thoroughly or replace as required 2 Mount the hub assembly onto the axle spindle with a smooth firm motion Use care to maintain alignment between the bearing cones and spindle and to avoid seal damage A CAUTION Never support the hub on the spindle with just the inner bearing and seal This can damage the seal and cause premature failure Note When installing a complete wheel end assembly a wheel dolly is required during installation to make sure that the wheel seal is not damaged by the weight of the hub drum and tire 3 Remove the installation tool from the hub assembly A WARNING Do not mix spindle nuts and lock washers from different systems Mixing spindle nuts and
13. sembly placed in a flat position lubricate the inner bearing and install cone into the inner cup of the hub see Figure 1 Figure 1 3 Place the seal on installation tool facing the proper direction See Figure 2 Figure 2 Note Do not apply any bore Sealant to seal O D or I D A WARNING Do not attempt to make LMS hubs by using LMS bearing spacer and seals in a standard hub This may result in a seal or bearing failure which may result in loss of wheel end and or loss of vehicle control 04 03 3 of 11 ABIB 0302 DANA A CAUTION The use of improper seal installation tools can distort or damage the seal cause premature seal failure and void the warranty 4 Position seal in hub bore Tap adapter plate around outer edge to position seal see Figure 3 Figure 3 5 Hit tool handle gently Because of rubber O D some seals install much easier than metal O D type seals Once the seal bottoms out in the hub the seal is installed correctly Check to be sure the seal is not cocked and that unitized seal I D and inner bearing turn freely see Figure 4 Figure 4 6 Lubricate D of seal with a light film of clean wheel end lubricant 7 For drive axle install the bearing spacer into the hub assembly large diameter end against the inner bearing cone 8 Lubricate the outer bearing cone and install into the outer cup of the hub assembly 9 Install an approved installation tool to the hub cap m
14. ub and brake components as hubs filled with oil When inspecting for grease leaks the inspection must be done carefully with the aid of a bright light from a flashlight or droplight A slight weep or wetness of grease on the exterior of the seal is typical and does not necessarily require seal replacement A Note If a gasket leak is noted replace the gasket If a seal leak is detected remove and replace the wheel seal and rebuild with original LMS components 1 Replace the wheel seal hubcap gasket and lubricant every time the hub is serviced or at 5 years 500 000 mile intervals A WARNING Do not attempt to make LMS hubs by using LMS bearing spacer and seals in a standard hub This may result in a seal or bearing failure which may result in loss of wheel end and or loss of vehicle control 04 03 10 of 11 ABIB 0302 Sr 2 Clean and inspect wheel bearings cups spacer and hub any time the hub is serviced or at 5 years 500 000 mile intervals and replace if damaged In case of emergency field repair and LMS components are not available the LMS hub assembly can easily be converted to a conventional wheel end assembly This can be done by obtaining the correct standard wheel bearings and removing the spacer When reassembling industry standard wheel ends assemble per TMC RP 618 A WARNING Do not attempt to make LMS hubs by using LMS bearing spacer and seals in a standard hub This may result in a seal or bearing f

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