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ConMet PreSet PreGreased Wheel Ends

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1. TABLE 11 CMI 100M 199 Assembly Aids Kit uae No 107525 107529 Cup Pusher Trailer TP Inner or Outer NP593561 Cup Pusher Drive Inner NP363298 Cup Pusher Drive Outer NP053874 107530 107531 107520 107514 107521 Jack Screw Stud Adapter Metric M22 x 1 5 Seal Puller Head for Trailer TN TP Axle 107748 Universal Spindle Cap Disassembly Aids Kit Part No 107532 107537 Cup Knockout Drive Inner NP363298 Cup Knockout Drive Outer NP053874 Cup Knockout Trailer TP Inner or Outer NP593561 107538 107539 TN Bearing Puller Kit Part No 107522 107523 Puller Split Head with Screws NP 965350 107524 Screw Block TP Bearing Puller Kit Part No 107624 107524 Screw Block 105625 Puller Split Head with Screws NP174964 Consolidated Metco Inc 21 SPECIFICATIONS Service Parts List and Service Kit Hub Part ConMet CMI Kit Type Description Part Complete Inner Cup amp Cone 107504 TN Outer Cup amp Cone 107500 Hub Part ConMet CMI Kit Type Description Part Complete Either Inner or TP or Outer Cup amp Cone 107506 Propar Spacer 104412 Type Spacer 104144 Trailer Timken Seal 107839 107547 Axle Grease Retainer Kit 107474 Grease Tube 12 5 oz 107446 Mat Safety Data 644021 00 Type Timken Seal 107840 Trailer Grease Retainer Kit 107475 107549 Axle Grease Tube 12 5 oz 107446 Mat Safety Data 644021 00 TABLE 12 Wheel End Torque Spe
2. the possibly hazardous consequences of each method Accordingly those who use a procedure not recommended by ConMet must first satisfy themselves that neither their safety nor the safety of the product will be jeopardized by the service method selected Use only ConMet approved replacement parts Do not attempt to use damaged parts DISC WHEEL INSTALLATION PROCEDURES ConMet part number 103282 and PRESET PREGREASED DECALS ConMet part number 106859 are available upon request Notes These activities include additional information that may assist the technician in service procedures see figure 1 Cautions These activities indicate that product damage may result from failing to heed the stated advisory see figure 2 Warnings Associated activities indicate that personal injury may result from failing to heed the advisory Personal injury is not equated to career ending injury but may result in possible change in quality of life see figure 3 Dangers Associated activities indicate that death or serious personal injury may result from failing to heed the stated advisory Serious personal injury may be equated to career ending injury see figure 4 i Consolidated Metco Inc NOTE FIGURE 1 CAUTION FIGURE 2 N WARNING FIGURE 3 N DANGER FIGURE 4 CMI 100M 199 INTRODUCTION Inner Grease Retainer Grease Seal Spring Retainer Inner Bearing Cone Outer Grease Reta
3. 199 REINSTALLATION Brake Drum Stud Standout FIGURE 41 Aluminum Wheels ALCOA Cap Nut Number 3 4 16 Threaded 5995 R and 5995 L Studs Single Aluminum Wheel Applications TABLE 4 ALCOA Cap Nut Number 3 4 16 Threaded 7896 R and 7896 L Studs Dual Steel and Aluminum Wheel Applications TABLE 5 Steel Wheels BATCO Cap Nut Number 3 4 16 Threaded 13 3013 R and 13 3013 L Studs Single Steel Wheel Applications TABLE 6 Rotating the Wheel Pilot to 12 O Clock FIGURE 42 CMI 100M 199 Ball Seat Wheel Mounting System Clean all mating surfaces on the hub drum wheels and nuts Remove loose paint scale and any material building around the pilots of the drum hub and wheels Be sure paint is fully cured on recently refurbished wheels When dual wheels are mounted the stud length beyond the brake drum standout should be from 1 31 1 44 as measured from the brake drum to the end of the stud see figure 41 When mounting dual aluminum wheels use ALCOA inner cap nuts 5988R and 5988L or the equivalent These nuts can also be used with longer studs up to 1 88 standout For special single aluminum wheel appli cations on drive and trailer hubs use ALCOA single cap nuts 5995R and 5995L see table 4 For use with steel inner dual wheel and aluminum outer wheels use ALCOA inner cap nuts 7896R and 7896L see table 5 For single steel wheel applications use BATCO 13 3013R and 13
4. and hold the wheel tight against the brake drum see figure 10 The ball seat wheel mounting system is also known as the stud piloted ball seat cap nut BCN and double cap nut DCN system Consolidated Metco Inc 3 PERIODIC INSPECTION AND PREVENTIVE MAINTENANCE ConMet recommends a complete inspection in conjunction with brake and or tire service In addition to the complete inspection at brake and or tire service maintain current shop preventive maintenance and pre trip inspection practices VISUAL INSPECTION With ConMet PreSet PreGreased Wheel Ends there will be no visible leakage of grease or oil Inspect for other visible signs of distress such as cracks in the hub or heat discoloration as well as unusual tire wear OPERATING TEMPERATURE Operating temperatures can be checked as the vehicle enters the service area following a normal run If the hub is running at temperatures in excess Of 150 F above ambient in normal operating conditions service is required FUNCTIONAL CHECKS Conduct the following inspections with the wheel s and drum removed Never work under a vehicle supported by a jack without supporting the vehicle with stands and blocking the wheels Rotate the hub and check for free smooth and quiet rotation If rotation is hampered PreSet PreGreased Wheel Ends should be serviced immediately Also check hub for excessive end play as follows in the End Play section p
5. in combination with the production assembly date code For example 27299D1106412 1 is a production assembly code and is broken down as follows a Jo pi ose 1 Day of Year Operator Assembly Mfg Year No Code 2 Consolidated Metco Inc Preset TN Trailer Hub FIGURE 6 Preset TP Trailer Hub FIGURE 7 Wheel stud Recessed part numbers are found on the head of the stud Note The casting part number is found on the inboard end of the hub between the wheel stud heads and is in raised embossed numbers This is not the final assembly number Locating Part Numbers FIGURE 8 CMI 100M 199 IDENTIFICATION Hub Pilot Mounting Systems FIGURE 9 Y Nit A ARR L e R S Y Ball Seat Mounting Systems FIGURE 10 CMI 100M 199 WHEEL MOUNTING SYSTEMS ConMet PreSet PreGreased Wheel Ends are available in both hub pilot and ball seat nut configurations Hub Pilot Wheel Mounting System The hub pilot wheel mounting system makes use of a single two piece flange nut on each wheel stud for both single and dual wheel applications see figure 9 The hub pilot wheel mounting system is also known as the Uni Mount 10 10 stud WHD 10 10 stud WHD 8 8 stud and ISO system Ball Seat Wheel Mounting System The ball seat wheel mounting system makes use of the spherical contact area between the nut and wheel to both locate the wheel
6. specially toleranced roller bearings pre packed with Mobilith SHC 220 Grade 2 grease and unique precision machined bearing spacers eliminating the need to manually adjust wheel end play These components are delivered as a complete package eliminating the potential for premature failure due to improper assembly and or installation see figure 5 For information on ConMet PreSet Oil Lubricated Wheel Ends and our standard lightweight aluminum hubs for manually adjusted bearings refer to the corresponding service manual see table 1 Contact ConMet at 1 800 547 9473 for other available technical or product information or visit our web site at www conmet com Consolidated Metco Inc 1 IDENTIFICATION PRESET PREGREASED WHEEL ENDS ConMet PreSet PreGreased Wheel Ends come complete with pre greased pre installed cups and cones grease retainers and seals These wheel ends are unique in that a precision tubular spacer is utilized between the bearings eliminating the need for manual bearing adjustment see figures 6 and 7 PART NUMBER LOCATION For additional information on your ConMet PreSet PreGreased Wheel End locate the part numbers stamped on the hub The hub assembly part number is located on the brake drum mounting surface in the recessed slots or on the smooth machined surface between any of the wheel studs see figure 8 The six digit assembly part number which is recessed in the hub may be separate or
7. 199 BRAKE DRUMS AND WHEELS Hub Pilot Wheel Mounting System N CAUTION The brake drum must be fully seated on the drum pilot and against the hub face during and after installation of the wheel s If your shop practice requires the use of lubricant or anti corrosion material to the threads and or the drum pilot area avoid getting lubricant on the flat mating surfaces of the hub drum and wheels A WARNING Always tighten the top nut first to fully seat the brake drum on the drum pilot and against the hub face See the adjacent diagram for bolt tightening sequence and tighten in order from 1 through 8 or 10 depending on the bolt pattern see figures 36 and 37 1 Clean all mating surfaces on the hub drum wheels and nuts Remove loose paint scale and any material building around the pilots of the drum hub and wheels Be sure paint is fully cured on recently refurbished wheels 2 In environments where a corrosion inhibitor is beneficial ConMet recommends the use of Corrosion Block a product of Lear Chemical Research 905 564 0018 In severely corrosive environments a light coat of Corrosion Block on the drum and wheel pilots has proven beneficial 3 Apply two drops of oil to the flange nut between the nut and flange see figure 38 and two drops to the last two or three threads at the end of each stud Also lightly lubricate the pilots on the hub to ease wheel installatio
8. 3013L or the equivalent see table 6 1 When installing the inner dual verify the inner nuts being used are suitable for the application aluminum wheels steel wheels brake drum thickness ANONCON Inner cap nuts must be deep enough to ensure the stud will not bottom inside the nut and must be of a configuration approved by the wheel manufacturer 2 Rotate the hub to bring a drum pilot to the top 12 o clock position see figure 42 Position the inner wheel and tire assembly over the studs and against the drum Consolidated Metco Inc 19 REINSTALLATION 3 Beginning in the 12 o clock position install the inner cap nuts by hand to ensure they are not cross threaded Do not tighten any nuts at this time 4 Apply sufficient torque about 50 Ft Lbs to the inner top cap nut to draw up the brake drum on the drum pilot and against the hub and seat the ball seat of the nut into the ball socket of the wheel see figure 43 5 To properly center the wheel lightly tighten the remaining wheel nuts Verify the drum is in place over the drum pilots 6 Starting with the top nut first and using a staggered pattern torque the inner wheel nuts in stages to 450 500 Fte Lbs see figure 44 Use the appropriate nuts with the above technique to install the front and outer dual wheels Follow your shop practice to locate the valve stems 7 Install the outer wheel and nuts and tighten in stages to 450
9. 500 Ft Lbs see figure 45 8 Inspect the brake and wheel installation by checking the seating of the wheel s and drum at the pilots and by turning the wheel s and check for any irregularity Improper wheel nut torque can result in a failure of the wheel mounting system After the first 50 100 miles retorque all the nuts to 450 500 Ft e Lbs Always remove the load from the wheels by jacking the truck or trailer up when retorquing Loosen the outer nuts to retorque the inner nuts 20 Consolidated Metco Inc Inner Cap Nut at 12 o clock position Tightening the Inner Cap Nuts FIGURE 43 Torquing the Inner Wheel Nuts FIGURE 44 Torquing the Outer Wheel Nuts FIGURE 45 CMI 100M 199 SPECIFICATIONS Cup Pusher Trailer TN Inner NP503727 Cup Pusher Trailer TN Outer and Steer Inner NP026773 Cup Pusher Steer Outer NP435398 107526 107527 107528 107505 3 4 Threaded Rod with Flange Nut 107509 Cross Head 107510 Stud Adapter R H 1 1 8 16 107511 Stud Adapter L H 1 18 16 107512 Stud Adapter R H 3 4 16 107513 Stud Adapter L H 3 4 16 TABLE 8 107533 Description Cup Knockout Trailer TN Inner NP503727 Cup Knockout Trailer TN Outer NP026773 Cup Knockout Steer Outer NP435398 Cup Knockout Steer Inner NP026773 107534 107535 107536 TABLE 9 107505 3 4 Threaded Rod with Flange Nut 107520 Jack Screw TABLE 10 107505 3 4 Threaded Rod with Flange Nut 107520 Jack Screw
10. CONfy EJ ConMet PreSet PreGreased Service Manual For Grease Lubricated Trailer Hub Assemblies CMI 100M 199 INSPECTION REPAIR AND REPLACEMENT ccccce eee c eect e eee cece eee rr rra 8 SERVIGE A a fea 8 BEARING CUPS AND CONE Sanear anaa id tati 8 WAER S POUDO ae ed ae od O NOTE RENEE BAe ao ae ae E er ae 10 ABS LONE RING CAS APPLIGABLE A AAA a nda ents 11 REASISE MB DE tt did te td oNie a Speen Sant 12 PRESET PREGREASED WHEEL ENDS A tia eed 12 REINA TN E sois 15 INSTALLING THE PRESET PREGREASED WHEEL END c0ccc cece cence cence cece cent tenet eens ee enneeennnes 15 INSTALLING THE HUB CAP on A A A Ra a E AA E patas 16 BRAKE DRUMS AND WHEELS AA E A lot ds AA Ad Be 17 HUB PILOT WHEEL MOUNTING SYSTEM edea aa ee a eee eee cece nia oa dein ESSA ohi 17 BALL SEAT WHEEL MOUNTING SYSTEM occcccccccnconnnnrnnn nn 19 SPECIELCA KOAN ESE E EDE E A E E E E A A EE E E E 21 IMPORTANT REMINDERS Read this manual carefully providing extra attention to its explanations and instructions To ensure safe continuous trouble free operation understand your wheel end system and keep all components in proper operating condition Pay particular attention to all NOTES CAUTIONS WARNINGS and DANGERS to avoid the risk of personal injury or property damage and realize these statements are not exhaustive ConMet cannot possibly know or evaluate all conceivable methods in which service may be performed or
11. Drive the seal into place see figure 28 Once the tool bottoms out the seal is installed correctly Check to be certain the seal is not cocked ACAUTION Failure to lubricate the inner diameter of the seal and the seal journal may result in premature seal failure 9 Lubricate the inner diameter of the seal with a light film of clean Mobilith SHC 220 grease 10 Turn the hub over and place it seal end down 11 Lubricate the outer bearing cone with Mobilith SHC 220 grease and install it into the hub assembly see figure 29 12 Place the outer grease retainer with the words PRESET HUB TORQUE INNER NUT TO 300 FT LBS NO BACK OFF facing out see figure 30 To aid installation of the outer grease retainer grind the outside diameter of an old bearing cup until it will clear the cup bore and can be used as an installation tool 13 Insert the cup tool with the thin edge against the outer grease retainer and tap lightly on the thick edge until the retainer clears the spring retainer ring groove 14 Consolidated Metco Inc Driving the Seal into Place FIGURE 28 Installing the Outer Bearing Cone FIGURE 29 Installing the Outer Grease Retainer FIGURE 30 CMI 100M 199 REASSEMBLY 14 Install the spring retainer VANNON ON Failure to apply grease to the bearing journals will result in fretting corrosion which may result in difficulty removing the
12. age 5 4 Consolidated Metco Inc CMI 100M 199 PERIODIC INSPECTION AND PREVENTIVE MAINTENANCE End Play 1 Remove the hubcap and use a dial indicator with a magnetic base mounted on the spindle end to read the travel at the hub cap mounting surface see figure 11 2 Grasp two wheel studs across from each other to pull and push the hub 3 Measure the end play by the difference between the minimum and maximum dial indicator readings ACAUTION PreSet PreGreased Wheel Ends should be serviced if end play exceeds 0 006 Checking for End Play FIGURE 11 HUB REMOVAL AND DISASSEMBLY ConMet recommends PreSet PreGreased Wheel End service at approximately 500 000 mile intervals N DANGER Never work under a vehicle supported by a jack without supporting the vehicle with stands and blocking the wheels 1 Prepare the axle for disassembly by using a jack to raise the axle until the wheels are off the ground and the axle is properly supported NCAUTION Care should be taken to avoid damaging the hub or other components CMI 100M 199 Consolidated Metco Inc 5 HUB REMOVAL AND DISASSEMBLY If you plan to replace the brake drum i e full cast instead of Centrifuse or wheels i e aluminum instead of steel measure stud standout see figure 12 In hub piloted mounting systems the studs must be long enough for the threads to be exposed beyond the
13. at 5 Using ConMet ring installation tool part number 107119 center the tool over the ABS Installing the ABS Tone Ring ring Each type of ring fits a corresponding FIGURE 25 diameter in the tool see figure 25 6 Press the ring on the hub If a press is not available drive the ring on with a hammer or mallet until the ring seats on the hub see figures 25 and 26 7 Inspect the ring to ensure proper seating If the ring is not completely seated continue to drive the ring with the ring installation tool until the ring is completely seated A dial indicator can be used once the hub is reinstalled on the spindle to check axial Using a Hammer to Install the Ring runout FIGURE 26 REASSEMBLY PRESET PREGREASED WHEEL ENDS WANG NGBUCO N When using the PreSet PreGreased system do not add oil to the bearing The oil may not be compatible with the grease and or the oil may wash the grease from the bearing 12 Consolidated Metco Inc CMI 100M 199 REASSEMBLY Bearing Cone Assembly FIGURE 27 CONMET AXLE TIMKEN EATON TP 107840 851 TN 107839 859 Wheel Seal and Eaton Tool Selections TABLE 2 CMI 100M 199 l Pack the bearing cone with Mobilith SHC 220 grease ensuring that the grease completely fills the area between the rollers and cage This can be done manually or with a bearing packer Bearing cone must be fully packed with grease Excess grease sho
14. bearing 15 Corrosion that forms from either exposure to the elements or fretting corrosion while in service must be removed with a fine abrasive see figure 31 When the residue is cleaned Removing Corrosion away the bare spindle is again subject to FIGURE 31 corrosion and must be covered with a film of grease for corrosion protection making sure both the bearing journals and the seal journal are well coated Standard Grade 2 grease works well in normal environments In severe environments a moly grease may provide added protection REINSTALLATION INSTALLING THE PRESET PREGREASED WHEEL END PANAON ON Never support the hub on the spindle with just the inner bearing and seal This can damage the seal and cause premature failure i e by cocking the seal in the bore 1 Mount the hub assembly onto the axle spindle with a smooth firm motion Slide the hub on the spindle until the hub meets resistance against the seal journal Use care to maintain alignment between the bearing cones spacer and spindle and to avoid seal damage see figure 32 Mounting the Hub Assembly FIGURE 32 CMI 100M 199 Consolidated Metco Inc 15 REINSTALLATION 2 Install the spindle nut and use the nut to push the hub and seal into position Torque the nut to 300 Ft Lbs see figure 33 NOTE Do not back off the spindle nut 3 Engage any locking device that is part of the spindle nut system If the lock
15. cifications Torque Item Measurement Ft Lbs Notes Always tighten the top nut first If lubricant is used apply sparingly on threads only Consult Ball Seat 3 4 16 450 500 i i the wheel manufacturer for torque requirements Wheel Nut 1 1 8 16 450 500 Do not lubricate the faces of the hub drum wheel or on the ball seats of the wheel nuts Always tighten the top nut first Apply two Hub Pilot drops of oil between the nut and flange see Wheel Nut 22mm x 1 5 mm 450 500 figure 38 and two or three drops to the outermost 2 or 3 threads of the wheel studs Lightly lubricate the wheel pilots on the hub Drive Studs d Consult manufacturer s instructions for drive axle Drive Studs shaft installation for all drive studs Drive Studs Disc Brake Rotor Eoo oal See brake manufacturer specifications TABLE 13 22 Consolidated Metco Inc CMI 100M 199
16. cup as described above in steps 7 and 8 CMI 100M 199 Consolidated Metco Inc 9 INSPECTION REPAIR AND REPLACEMENT WHEEL STUDS Replace all wheel studs that have damaged or distorted threads are broken or bent or are badly corroded Also replace the stud adjacent to the original stud being replaced due to damage If two or more studs have damage replace all the studs in the hub Inspect the drum wheel pilots and mounting face on the hub for damage Also inspect the wheels and brake drum for damage Stud Removal WARNING Observe all warnings and cautions for press operation provided by the press manu facturer to avoid serious personal injury and damage to components x l Place the clean hub in a shop press with the hub supported evenly around and adjacent to the stud being removed N WARNING Failure to adequately support the hub can result in physical injury and or damage to the hub ANNOIN ON Some hubs are configured so it is impractical to have supports to prevent the hub from tipping when force is applied to the stud In this case support the hub on wood blocks on the floor and use a heavy hammer to drive the studs out with several sharp blows Be careful to avoid damaging the hub and components particularly the seal bore and ABS tone ring 2 Press the stud out of the hub 10 Consolidated Metco Inc CMI 100M 199 INSPECTION REPAIR AND REPLACEMENT Stu
17. d Replacement N CAUTION On the ball seat wheel mounting system always use left handed threaded studs on left handed hubs and use right handed threaded studs on right handed hubs The ConMet part number is located on the head of the stud The same part number must be used for replacement unless changing the drum or wheel type 1 To install a new stud support the hub evenly around and adjacent to the stud being installed 2 Press the new stud all the way into the hub Be sure the stud is fully seated and that the stud head is not embedded into the hub WARNING If the stud head is embedded into the hub the hub should be replaced ABS TONE RING AS APPLICABLE 1 Inspect the ABS Tone Ring for any damage caused during hub removal or hub servicing 2 If replacement is necessary use a small pry bar or hammer see figure 24 to gently remove the ring using a circular pattern around the ring to prevent cocking 3 Thoroughly clean and degrease the ABS ring Using Pry Bar to Remove ABS Ring seat on the hub with a nonflammable solvent FIGURE 24 CMI 100M 199 Consolidated Metco Inc 11 INSPECTION REPAIR AND REPLACEMENT VAN OTN GB UCONN Replace the hub if the ABS ring seat is damaged The ABS ring must be fully seated with a maximum of 0 008 axial runout to ensure the ABS system functions properly 4 Place the hub in a press and place the ABS ring on the hub ring se
18. iner Spacer Outer Bearing Cone Outer Bearing Cup TN PreSet PreGreased Trailer Hub FIGURE 5 Contact ConMet at 1 800 547 9473 or www conmet com Literature Description PreSet PreGreased Service Manual for CMI 100M 199 Grease Lubricated Trailer Hub Assemblies PreSet Service Manual for Oil Lubricated Steer Drive and Trailer Hub Assemblies CMI 101M 199 Service Manual for CMI 103M 199 Manually Adjusted Steer Drive and Trailer Hub Assemblies Corresponding Literature TABLE CMI 100M 199 ABS Ring Optional Inner Bearing Cup Consolidated Metco Inc is recognized as the leader in the design and manufacture of light weight components for the heavy truck industry With the addition of PreSet Wheel End technology to our family of products ConMet now offers the best solution to prevent premature wheel end failures ConMet s PreSet PreGreased Wheel Ends can extend service intervals up to 500 000 miles on highway applications while still providing substantial weight savings to improve fuel efficiency and increase payload capacity When installed as OEM equipment ConMet PreSet PreGreased Wheel Ends offer up to a five year 300 000 mile warranty on all components including bearings and seals With periodic inspections and proper maintenance actual service intervals can extend beyond 500 000 miles These assemblies include ConMet lightweight aluminum hubs premium grease seals
19. ing system cannot be engaged when the nut is at 300 Ft eLbs advance the nut until engagement takes place and the nut is locked If a double nut or jam nut system is being used install the second nut with 200 Ft Lbs torque Reinstalling the Spindle Nut FIGURE 33 INSTALLING THE HUBCAP N CAUTION A ConMet PreSet hubcap is required to aid in SAQUE it RESET y os Ry ae SN identification of the assembly in the field o Tasv 008 01 For tapered spindle applications TN use part number 106862 see figure 34 For straight spindle applications TP use part number 106866 see figure 35 Replace vented hubcaps with non vented hubcaps Sa y Mo nor of Mat 196862 Tapered Spindle when using the Timken Grease Seal FIGURE 34 The hubcap bolt holes must be free of debris such as silicon gasket sealer to ensure the ORQUE py is ESET py Sy on H o S bolts will tighten properly to avoid leaks Remove any burrs or sharp edges Always o o ny 3 sua A A o wo 3 a 7 use new gaskets x A kA ANo yo Chm 106866 1 Install the hubcap gasket and hubcap 2 Torque the hubcap bolts to 12 18 Ft Lbs using a star pattern Straight Spindle FIGURE 35 16 Consolidated Metco Inc CMI 100M 199 REINSTALLATION 10 Stud Tightening Sequence FIGURE 36 8 Stud Tightening Sequence FIGURE 37 Oiling the Flange Nut FIGURE 38 CMI 100M
20. installed wheel nut In the ball seat mounting system the stud length beyond the brake drum should be from 1 31 1 44 as measured from the brake drum to the end of the stud Call ConMet at 1 800 547 9473 for the correct stud part number for your application If you plan to replace the brake drum verify the new drum has the same drum pilot diameter as the one that has been removed 2 Remove the wheels and brake drum see figure 13 3 Examine the spindle nut to determine the locking system and disengage the locking device 4 Remove the spindle nut system see figure 14 5 Slide the hub off the spindle INN Occasionally the seal can become stuck on the spindle making the hub difficult to remove If mechanical assistance is required to remove the hub care should be used to avoid damage to wheel end components see figure 15 In some cases part of the seal will remain on the spindle When removing this portion of the seal care should be taken not to damage the spindle or seal journal 6 Consolidated Metco Inc Brake Drum Measuring Stud Standout FIGURE 12 Removing the Wheels FIGURE 13 Typical Spindle Nut System FIGURE 14 Mechanical Puller FIGURE 15 CMI 100M 199 HUB REMOVAL AND DISASSEMBLY Inner Bearing 7 Retainer Inner el C Cone Spacer Hub Disassembly FIGURE 16 Remove and save the Retainer Snap Ring Removing Retainer Sna
21. n and removal Consolidated Metco Inc 17 REINSTALLATION PANINO Do not get lubricant on the mounting face of the drum or wheel Failure to clean lubricant from these surfaces may result in decreased clamping load 4 Before installation of brake drums and wheels that utilize the hub piloted system rotate the hub so one of the wheel pilot bosses is at the top 12 o clock position see figure 39 5 Position the brake drum over the hub so it seats on the drum pilot and against the hub face 6 Place the wheel s into position One or more nuts can be started in order to hold wheel s and drum into position 7 Tighten the top nut first Apply 50 Fte Lbs torque to draw up the brake drum fully against the hub see figure 40 8 Install the remaining wheel nuts and using the sequence as shown torquing all the nuts to 50 Ft Lbs then retorque in stages following the same sequence to 450 500 Ft Lbs see figures 36 and 37 9 Inspect the brake and wheel installation by checking the seating of the wheel s and drum at the pilots and by turning the wheel s and checking for any irregularity Improper wheel nut torque can result in a failure of the wheel mounting system After the first 50 100 miles retorque all the nuts to 450 500 Ft Lbs 18 Consolidated Metco Inc Wheel Pilot Boss Rotating the Hub FIGURE 39 Reinstalling the Wheel FIGURE 40 CMI 100M
22. p Ring FIGURE 17 Dislodging Outer Bearing Cone FIGURE 18 CMI 100M 199 ConMet makes several tools to assist in the removal of wheel end components These tools are available for purchase and are listed in the back of this manual see tables 8 11 10 Place the hub on its outboard end and remove the seal and if present the inner bearing retainer Discard both of these items unless the seal must be retained for warranty consideration see figure 16 Remove and save the inner bearing cone and spacer see figure 16 Turn the hub outboard end up and remove and save the retainer snap ring see figure 17 Turn the hub over and using a drift pin and hammer lightly tap on the outer bearing cone to dislodge it and the outer grease retainer see figure 18 Discard the outer grease retainer All components replaced under warranty must be returned for consideration of reimburse ment Contact the OEM manufacturer for their warranty return policy Consolidated Metco Inc 7 INSPECTION REPAIR AND REPLACEMENT SERVICE KITS Complete service kits are available from ConMet and contain all components necessary to service wheel ends see table 12 for additional information These kits do not include wheel studs For wheel stud service and replacement information see the Wheel Stud section of Inspection Repair and Replacement page 10 Stud part numbe
23. p bore for evidence of cup rotation spun cups If noted replace the hub 5 To install new cups and inner grease retainers it is recommended that the hub be heated evenly throughout in an oven or in boiling water to 175 215 F Inner Grease Retainer Outside Edge Up FIGURE 21 6 Remove the hub from the oven or hot water Assembly Aid Place the inner grease retainer with the outside edge up in the bottom of the cup bore Bearing Cup The inner grease retainer will become fully seated when the cup is installed see figure 21 7 Place the bearing cup in the hub Obtain the appropriate assembly aid as listed in the back of this manual see table 7 and place it on top of the bearing cup see figure 22 Press Bearing Cup into Hub 8 Drive the bearing cup and inner grease FIGURE 22 retainer into place see figure 23 Variations within tolerances of materials and oven temperatures may require the bearing cup and inner grease retainer be pressed into the hub N CAUTION Failure to support the installed bearing cup in its seated position may cause the cup to drop away from the shoulder of the hub 9 Turn the hub over and support the installed bearing cup in its seated position 10 Place the other inner grease retainer with the outside edge up in the bottom of the cup bore Driving Bearing Cup Into Place and assemble the grease retainer and bearing FIGURE 23
24. r information is available in the Part Number Location section page 2 BEARING CUPS AND CONES N CAUTION Grease retainers may have sharp edges 1 Thoroughly clean and degrease all com ponents with a nonflammable solvent ACAUTION If a bearing cup or cone shows signs of deterioration replace the suspect part along with the mating component Use the appropriate replacement parts to ensure proper bearing adjustment see table 12 Collapsing the Grease Retainer FIGURE 19 When reinstalling cups be certain they are pressed fully against their seats 2 If a bearing cup needs replacement first drive the associated inner grease retainer toward the center of the hub to collapse the grease retainer so it can be removed and discarded see figure 19 3 Remove the bearing cup by welding a large bead around the bearing surface of the steel cup letting the assembly cool and removing the bearing cup see figure 20 As an alternate method remove the bearing Welding Bead cup using a large hammer and a heavy drift FIGURE 20 8 Consolidated Metco Inc CMI 100M 199 INSPECTION REPAIR AND REPLACEMENT along with the appropriate cup knockout tool as listed in the back of this manual see table 9 Take precaution to avoid damaging the bearing cup bore and shoulder Inner Grease Retainer with outside edge facing up 4 Inspect the bearing cu
25. uld be smeared on the outside of the rollers 2 A small quantity of grease can be added to the bearing cavity in the hub Ample space is essential in the bearing cavity to allow room for excess grease to be thrown from the bearing Normally the bearing cavity itself should be no more than half full of grease during assembly Too much grease will cause excess churning of the grease and potentially high temperatures 3 Place the hub seal end up 4 Place the spacer in the hub small end down if tapered see figure 27 5 Place the pre greased bearing cone in the hub see figure 27 The seal must be replaced every time the hub is removed from the spindle Do not apply any gasket sealant to the seal outer or inner diameter Always use the seal installation tool specified by the seal manufacturer Using an improper tool can distort or damage the seal and cause premature seal failure See table 2 for Wheel Seal and Eaton Tool Selections Always place the seal with the air side facing the adapter plate of the installation tool Consolidated Metco Inc 13 REASSEMBLY VANIA CIUN Failure to lubricate the outer seal diameter and the seal bore may result in premature seal failure 6 Lubricate the seal outer diameter and the hub seal bore 7 Position the seal in the seal installation tool and center the tool in the hub Tap the adapter plate around the outer edge to position the seal 8

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