To disassemble, first remove drain plug 27 and allow oil to drain into a suitable container. Tighten cap screws securing support frame to engine block to 48-56 N-m 35-41 ft. Reassembly is reverse of disassembly. Ad- just toe-in to 0-5 mm 0-0. Be sure to install seal 54-Fig.
Open radiator drain cock and allow coolant to drain in- to a suitable container. Tighten cap screws securing support frame to engine block to 48-56 N-m 35-41 ft. Reassembly is reverse order of disassembly. Rolling angle adjuster screw 1 - Fig. Withdraw keys 18 and 19 and cross- shaft 16 from differential case 17 , then separate components 20 through 28 from case 17. Lubricate king pins with a good quality, multi-purpose, lithium base grease, then slide into position.
Remove cap screws securing lower sup- port cover 72 to outer drive housing 58 , then withdraw cover along with Fig. So please make sure your email address is correct. Remove oil cooler lines at cooler as need- ed. Loosen drive shaft protec- tive cover band at joint case 89 and remove drive shaft from joint case. To complete disassembly, attach a suitable hoist or holding fixture to support frame, then remove set spring 9-Fig. To separate differential and bevel ring gear assembly, first bend tabs of lock plate 25-Fig.
Tighten castle nut 11 to 9. Remove steering wheel cap 2-Fig. Inspect components for damage and excessive wear. Install and tighten plug 11. Remove outer drive housing, king pins, axle shafts and left axle case as outlined in paragraph 11. Withdraw pivot pin 3 , then separate front axle assembly from support frame. Refer to outer drive housing service section in paragraph 13 if bearing must be renew- ed as gear backlash may be affected.
Gearcase axie used on Model 49. Standard king pin bushing inner diameter is 20. Bevel ring gear - Exploded view of front-wheei drive 25. Remove oil cooler lines at cooler as need- ed. Detach tie rod end 32-Fig. Shims 14 are available in thicknesses of 0. Remove cap screws securing outer cover 68 to outer drive housing 49 , then withdraw cover with com- ponents 63, 64, 65, 66, 69 and 70.
Remove bearing 63 , gear 64 and snap ring 65 from wheel axle 70 , then separate remaining components. To dis- assemble outer drive assembly, first remove wheel from side to be serviced. Lift differential and bevel ring gear assembly 14 through 25-Fig. Remove cap screws securing front axle support to engine block. Use a suitable puller and associated tools to withdraw bear- ings 15 from differential case 17. Carefully move front axle assembly, support frame and radiator forward until clear of tractor. Make sure center tooth on sector shaft 21 enters center tooth space on worm gear 12.
Using a suitable mallet, tap shaft 55 from bottom side to separate outer drive housing 58 from gearcase 48. Keep this manual handy and use it often. Reassembly is reverse order of disassembly. Front axle spindle shaft bushings 24 should have an inside diameter of 20-20. Lift outer drive housing 49 from axle case 34. Steering drag link is non-adjustable and must be renewed as an assembly.
Remove cap screws retaining steering arm 26 to outer drive housing 58 , then separate arm from support end 44. Place a suitable alignment mark on sec- tor shaft end 21 and pitman arm 24 to ensure correct repositioning during reassembly. Unbolt and remove steering arm 26 , then withdraw king pin 46. Complete reassembly as outlined in paragraph 10. Tighten cap screws securing support 44 to gearcase 48 to 24-27 N-m 17-20 ft. Remove snap ring 62 , then slide bearing 61 and gear 60 from yoke shaft 43. Remove cap screws securing sup- port 44 to gearcase 48 and separate.