1. 1 ArvinMeritor Internal Jan 2003 Version 1-2003 Ed Stanczak Applications Eng - TPE

2. 2 ArvinMeritor Internal Jan 2003 Long Life Wheel-End Systems SystemWarranty Conventional1 year Unitized7 years Packaged5 years Triad3 years

3. 3 ArvinMeritor Internal Jan 2003

4. 4 ArvinMeritor Internal Jan 2003 Conventional Equipment

5. 5 ArvinMeritor Internal Jan 2003 Conventional Bearing Adjustment Goal is to achieve a bearing end play between.001 and.005 inch.

6. 6 ArvinMeritor Internal Jan 2003 Conventional Bearing Adjustment Torque adjusting nut to 100 ft-lbs Loosen Torque to 50 ft-lbs Loosen 1/4 turn

7. 7 ArvinMeritor Internal Jan 2003 Conventional Bearing Adjustment Install Lockwasher

8. 8 ArvinMeritor Internal Jan 2003 Conventional Bearing Adjustment Torque Jam Nut to 250 ft-lbs Install set screw

9. 9 ArvinMeritor Internal Jan 2003 Conventional Bearing Adjustment Push Inward Zero dial indicator Pull outward Read dial indicator

10. 10 ArvinMeritor Internal Jan 2003 Conventional Bearing Adjustment If end play does not measure from.001 to.005 inch after this procedure, modify procedure.

11. 11 ArvinMeritor Internal Jan 2003 Unitized Wheel-ends 7 year / 750,000 mile warranty

12. 12 ArvinMeritor Company Confidential October 31, 2002 Hub Includes seals, bearings and lube Hub Includes seals, bearings and lube Permanently Sealed Permanently Sealed Preset Bearings Preset Bearings Permanently Lubed Permanently Lubed Specific spindle for hub Specific spindle for hub (93.5 mm spindle) No adjustment procedure No adjustment procedure UNITIZED Equipment

13. 13 ArvinMeritor Internal Jan 2003 UNITIZED Equipment

14. 14 ArvinMeritor Internal Jan 2003 UNITIZED Identification TB Model number Short single journal spindle Non-serviceable bearings, seals & lube Axle nut stamped with note 1.Torque to 700 ft-lb 2.Do not back off 3.For TB axle only

15. 15 ArvinMeritor Internal Jan 2003 UNITIZED Removal

16. 16 ArvinMeritor Internal Jan 2003 UNITIZED Removal

17. 17 ArvinMeritor Internal Jan 2003 UNITIZED Removal

18. 18 ArvinMeritor Internal Jan 2003 UNITIZED Removal

19. 19 ArvinMeritor Internal Jan 2003 UNITIZED Removal

20. 20 ArvinMeritor Internal Jan 2003 UNITIZED Installation

21. 21 ArvinMeritor Internal Jan 2003 UNITIZED Installation

22. 22 ArvinMeritor Internal Jan 2003 UNITIZED Installation Apply NLGI #1 or #2 grease to the inside of the hub.

23. 23 ArvinMeritor Internal Jan 2003 UNITIZED Installation

24. 24 ArvinMeritor Internal Jan 2003 UNITIZED Installation

25. 25 ArvinMeritor Internal Jan 2003 UNITIZED Installation Torque inner nut to 700 ft-lbs Install lock washer Torque outer nut to 250 ft-lbs

26. 26 ArvinMeritor Internal Jan 2003 UNITIZED Installation

27. 27 ArvinMeritor Internal Jan 2003 UNITIZED Installation

28. 28 ArvinMeritor Internal Jan 2003 UNITIZED Installation

29. 29 ArvinMeritor Internal Jan 2003 UNITIZED Brake Service Remove cam without removing hub

30. 30 ArvinMeritor Internal Jan 2003 Inspect hub at each brake reline. For on-highway service, inspect hub every 12 months or 100,000 miles, whichever comes first. For off-highway service, inspect hub every 6 months or 30,000 miles, whichever comes first. UNITIZED Inspection

31. 31 ArvinMeritor Internal Jan 2003 UNITIZED Inspection Inspect hub for smooth rotation. Replace hub if bearing feels rough or sounds noisy.

32. 32 ArvinMeritor Internal Jan 2003 UNITIZED Inspection Tighten inner nut if end play exceeds 0.003 inch Replace hub if end play is 0.006 inch or greater after tightening

33. 33 ArvinMeritor Internal Jan 2003 UNITIZED Inspection Seal Leak

34. 34 ArvinMeritor Internal Jan 2003 UNITIZED Inspection

35. 35 ArvinMeritor Internal Jan 2003 UNITIZED Inspection Replace the hub if oil runs out of hub cavity. Replace hub if more than 10cc (teaspoon) of grease or oil has expelled from the bearing and seal.

36. 36 ArvinMeritor Internal Jan 2003 Packaged Wheel-ends TL Axle 5 year / 500,000 mile warranty

37. 37 ArvinMeritor Internal Jan 2003 ARVINMERITOR Wabash National, ArvinMeritor announce order - Wabash National and ArvinMeritor announced confirmation of a three-year order agreement for over 7,000 Wabash National DuraPlate-branded trailers with U.S. Xpress Enterprises. The new trailers, featuring Wabash National's flagship product, will be equipped with ArvinMeritor's RideStar Highway Parallelogram (RHP) air suspension system, Meritor TL trailer axles with long-life cartridge-bearing hub assemblies, Q Plus brakes with MA212 brake linings, SteelLite X30(TM) brake drums and Meritor automatic slack adjusters. The complete undercarriage system will be fully assembled at ArvinMeritor's facility in Frankfort, Ky., and shipped to Wabash National's main manufacturing plant in Lafayette, Ind. Tom Gosnell, president, Commercial Vehicle Systems, ArvinMeritor, is quoted. AUTOMOTIVE NEWS OF THE DAY – July 22, 2003

38. 38 ArvinMeritor Internal Jan 2003 TL Model 82 mm spindle (TB93.5) 20,000 pound rating (TB23,000) Cast iron hub (TB bearing steel) Cartridge bearing (unitized hub) Auxiliary oil seal TL Packaged

39. 39 ArvinMeritor Internal Jan 2003 TL Packaged Hub Includes Seals, bearings and lube Hub Includes Seals, bearings and lube Permanently Sealed Permanently Sealed Preset Bearings Preset Bearings Permanently Lubed Permanently Lubed Specific spindle for hub Specific spindle for hub No adjustment procedure No adjustment procedure

40. 40 ArvinMeritor Internal Jan 2003 Cartridge Bearing Hub Aux Seal Retaining Clip End nut & Stake Washer Hub Cap TL Packaged

41. 41 ArvinMeritor Internal Jan 2003 RETAINING CLIP BEARING OUTER RACEWAY HUB RESULTANT DIRECTION OF FORCE AXIAL FORCES DUE TO VEHICLE ‘SIDE SCRUB’ Packaged

42. 42 ArvinMeritor Internal Jan 2003 TL : steel hubcap with the embossed semi circles and Warning decal

43. 43 ArvinMeritor Internal Jan 2003 This picture is with the hubcap removed. Note the nut locking mechanism. This nut is torqued to 525-575 ft.lbs with no back-off.

44. 44 ArvinMeritor Internal Jan 2003 TL single nut: nut is torqued to 525- 575 ft.lbs with no back-off. T hen lock ring is staked.

45. 45 ArvinMeritor Internal Jan 2003 Inspect hub at each brake reline. For on-highway service, inspect hub every 12 months or 100,000 miles, whichever comes first. For off-highway service, inspect hub every 6 months or 30,000 miles, whichever comes first. TL Packaged Inspection

46. 46 ArvinMeritor Internal Jan 2003 TL Packaged Inspection Inspect hub for smooth rotation. Replace hub if bearing feels rough or sounds noisy.

47. 47 ArvinMeritor Internal Jan 2003 TL Packaged Inspection Tighten inner nut if end play exceeds 0.003 inch Replace hub if end play is 0.006 inch or greater after tightening

48. 48 ArvinMeritor Internal Jan 2003 Triad Wheel-ends 3 year / 300,000 mile warranty

49. 49 ArvinMeritor Internal Jan 2003 Triad Low Cost Patented procedure to set ideal pre-load Available on TN, TQ, TP axles Can be adjusted as Std nut pack

50. 50 ArvinMeritor Internal Jan 2003 Triad Components

51. 51 ArvinMeritor Internal Jan 2003 Triad Components Conventional - Outer Nut Torqued CW

52. 52 ArvinMeritor Internal Jan 2003 Triad Components Conventional – Thread Engagement

53. 53 ArvinMeritor Internal Jan 2003 Triad Components Triad - Inner Nut Torqued CCW

54. 54 ArvinMeritor Internal Jan 2003 Triad Components Triad – Thread Engagement

55. 55 ArvinMeritor Internal Jan 2003 Install hardened washer against outer bearing. Triad Installation

56. 56 ArvinMeritor Internal Jan 2003 Install adjusting nut and tighten to 150-200 lb-ft while rotating wheel-end. Triad Installation

57. 57 ArvinMeritor Internal Jan 2003 Loosen adjusting nut, then tighten to 25 lb-ft while rotating wheel-end. Triad Installation

58. 58 ArvinMeritor Internal Jan 2003 Install outer washer. Triad Installation

59. 59 ArvinMeritor Internal Jan 2003 Install retainer nut and tighten to 25 lb-ft. Triad Installation

60. 60 ArvinMeritor Internal Jan 2003 Bend washer tab outward over flat surface of retainer nut. Triad Installation

61. 61 ArvinMeritor Internal Jan 2003 Apply a CCW torque of 250 lb-ft to adjusting nut to jam it against tabbed washer and retainer nut. Triad Installation

62. 62 ArvinMeritor Internal Jan 2003 Push Inward Zero dial indicator Triad Final setting verification Pull outward Read dial indicator No end play

63. 63 ArvinMeritor Internal Jan 2003 Triad Hub cap decal

64. 64 ArvinMeritor Internal Jan 2003 Triad Hub cap with decal