Legend for Figure 5-7. 1. Plug 2. Screw 3. Washer 4. Brake Housing 5. Gasket 6. O-Ring 7. Gasket 8. Nut 9. Spring Assembly 10. Stud 11. Clip 12. Secondary Spring 13. Main Spring 14. Washer 15. Nut 16. Pressure Plate 17. Disc 18. Rotor Assembly 19. Snap Ring 20. Ring 21. Race 22. Roller 23. Plunger 24. Spring 25. Driver 26. Container 27. Gasket 28. Disc 29. Key 30. Shaft 31. Spacer 32. Screw 33. Washer 34. Screw 35. Cover 36. Gasket 37. O-Ring 38. Thrust Ring 39. Screw 40. Washer 41. Retainer 42. Gasket 43. Worm 44. Bearing Cup 45. Housing 46. Worm Gear 47. Thrust Ring 48. Bearing Cup 49. Expansion Plug 50. Bushing 51. Bearing 52. Key j. Remove screws (39), washers (40), retainer (41) and gasket (42). k. Apply pressure on the splined end of worm (43) shaft and press until bearing cup (44) is pressed out of housing (45). l. Pull the worm (43) partially out of the housing (45).  Do not pull it far enough that the bearing interferes with the worm gear (46).  Slide the worm to one side and remove the shaft (30) and worm gear (46). Slide off thrust ring (47). m. Press the worm (43) shaft from the other end to remove the other bearing cup (48).  Remove worm from housing. n. Drive the expansion plug (49) out of the housing (45) from the inside with a hammer and drive pin. NOTE The following parts should only be removed as necessary for replacement. o. If required, press bushings (50) from housing (45) and cover (35). p. If required, use a gear puller to pull gear (46) from shaft (30) and bearings (51) from worm (43). q.   Thoroughly wash all metal parts with a cleaning solvent and dry with low pressure compressed air. 5-7.1.4 Assembly.  (Figure 5-7) 5-16