On early and models, uni- versal joint Fig. To remove universal joint first separate outer cover 63 from housing 57 and remove snap ring 55 from end of shaft. Tap universal joint and shaft out of bear- ings 52 and 54 and pinion gear. Remove wheel axle 64 , gear 59 , bear- ings and seals from outer cover and housing.
On late and models and all , , and models, pin- ion shaft is integral with the pinion gear Figs. To disas- semble outer drive, remove snap ring from inner end of pinion shaft Un- bolt and separate outer cover 63 from housing Remove nut and washer 71 , then tap wheel axle 64 out of bear- ings and gear. Remove pinion gear, bearings and seals from housing and cover. On all models, backlash between pin- ion gear 53 and final drive gear 59 should be 0.
If backlash exceeds 0. Clearance between king pins 47 and 50 and bushings 45 should be 0, Max- imum allowable clearance is 0. To reassemble, reverse the dis- assembly procedure. Note that shims Fig. Paragraph 5 FORD 1. Drive shall housing 5. Snap rings 6. Universal joint 7. Drive shaft 8. Coupling Pin 6x32 mm Rear carrier bracket Pinion bearing Snap rings Snap ring Pinion gear Ring gear Differential carrier Thrust washer Spider gear Spider shaft Side gear Carrier cover Carrier hearings Center housing Carrier bracket Plug Shaft Pin Housing Thrust bearing assy.
King pin bearing Bushing 1 Universal joint Stop bolt Bearing Outer pinion Fill plug Gear Outer cover Wheel axie Plate Felt Support assy. To disassemble front axle center section, first remove both outer drive assemblies as outlined in paragraph 4.
Remove front axle as- sembly as outlined in paragraph 3. Drain oil from axle center housing. The differential and ring gear 22 through Figs. Bevel pinion 21 can be removed after removing nuts 15 from shaft. Retain all shims for use in reassembly. Shims 19 are used to adjust mesh of bevel pinion and ring gear. Shims 32 and 33 are used to adjust differential carrier bearing preload and bevel gear backlash. Holder 4. Drive shaft housing 5. Snap ring 6. Coupling 7. Nuts Pinion bearings Thrust washers Spider gears Carrier bearings Thrust bearing Bearing 25 x 25 mm Wheel axle Adapter plates Front wheel drive housing Fig.
To disassemble differential unit, un- bolt and remove cover 30 from carrier Remove retaining pin 27 , then slide pinion shaft 26 out of carrier. Remove pinion gears 25 , side gears 28 and thrust washers 24 and 29 , Backlash between differential pinion gears 25 and side gears 28 should be 0. Backlash between pinion gears and side Fig. Diametral clearance between pinion gears 25 and shaft 26 should be 0. Ring gear 22 and pinion 21 must be renewed as a matched set.
Cap screws attaching ring gear to differential car- rier 23 should be tightened to the following torque: N-m ft. Install drive pinion 21 in center hous- ing using shims 19 that were originally installed for initial assembly. To adjust pinion bearing preload, wrap a cord around pinion shaft as shown in Fig. Use a spring scale to measure pull re- quired to rotate the shaft.
Tighten inner nut Fig. Install washer 16 and tighten outer nut 15 , then recheck rolling torque. If differential carrier 23 , cover 30 , carrier bearings 31 , ring gear and drive pinion, center housing 34 or axle shaft housings 43 were renewed, dif- ferential carrier bearing preload, ring gear to pinion backlash and gear mesh must be checked and adjusted as out- lined in paragraphs 6 and 7. If none of these components are being renewed, reassemble differential and front axle installing original shims in their original locations.
To adjust car- rier bearings, first attach right axle housing to center housing Fig. Place housing in vertical position with center housing up. Assemble suffi- cient thickness of shims 32 in housing bore to make sure that ring gear will not contact drive pinion, then install dif- ferential assembly in center housing.
Be sure that carrier bearing is properly seated in axle housing bore. Position left axle housing over dif- ferential assembly using more shims 33 than will be required to ensure that there is clearance between axle housing and center housing.
Install four equally spaced bolts around axle housing and tighten finger tight. Use a feeler gage to measure gap between the two housings, then remove left axle housing and sub- tract shims from shim pack 33 equal to the measured gap. The front wheel drive axle used on models is 1. Holder Ring gear 4. Drive shaft housing Differential carrier S i Shinn Gasket used on and similar.
Coupling: 7. Pinion l earings Thrust hearing Universal j tint Adjust ring gear to pinion backlash as outlined in paragraph 7, 7. The backlash between ring gear and pinion should be 0.
With left axle hous- ing removed, backlash can be checked using a dial indicator as shown in Fig. To adjust backlash, move shims 32 from right axle housing to left axle housing. Refer to text for adiustment. Apply Prussian Blue to pinion gear teeth. Rotate pinion and note gear teeth markings made on ring gear as shown in Fig. If necessary, adjust pinion gear position by changing thickness of shims Fig.
Note that if pinion gear is moved, ring gear must also be moved to maintain recommended backlash. Models So Equipped 8. To remove the complete front wheel drive axle assembly, first raise front of tractor and place a suitable support behind the axle. Loosen clamps that attach drive shaft cover if used at the rear. Desired tooth contact pat- tern is shown in center drawing.
Inspect axle pivot bushings for wear' or damage. Renew bushings if clearance between differential case trunnions and bushings exceeds 0. Use a suitable bushing driver to install bushings. Be sure that bushings are re- cessed into axle pivot brackets far enough to allow for installation of "0" rings or seals in the pivot brackets.
To reinstall axle assembly, reverse the removal procedure. Check axle housing fore and aft end play. Refer to appropriate Fig. To remove outer drive as a unit, first support front of tractor and remove front wheel and tire. Drain oil from outer drive housing and axle center housing. Disconnect tie rod and drag link from steering arms. Detach steer- ing dampener cylinder if so equipped.
Support the outer drive unit, then remove cap screws attaching pinion gear case 14 to axle housing and withdraw outer drive assembly. Axle housing R. Oil seal 9. Reduction gear Bearing 20A. Steering arm housing assy. Bearing housing Dipstick 5. Drive shaft Axle shaft 6. Bevel gear Oil seal 21A. Axle housing L.
Oil seal 18A. Drag link 8. Pinion gear case 19A. Kingpin Pinion gears Thread a long bolt 1-Fig. Install a bolt 3 in wheel hub flange 2 and position a dial indicator 4 against head of bolt shown. Rotate hub back and forth and note dial indicator reading. Normal backlash is 0. If backlash ex- ceeds 0. To disassemble outer drive, remove outer cover retaining cap screws and remove cover 3-Fig. Remove inner bearing 7 , bevel gear 6 and snap ring 5 from wheel axle shaft, then drive the axle shaft out of the outer cover.
Remove cap screws attaching steering arm 20 or 21 to reduction gear housing 10 and sep- arate housing from pinion gear case On early On all models, remove bearings, pinion gears 9 and 23 and drive shaft 11 from the housings. Inspect all parts for wear or damage and renew as necessary. Renew all "0" rings and oil seals when reassembling. To remove differen- tial and bevel gears, first remove both outer drive assemblies as outlined in paragraph 9.
Remove front axle as- sembly as outlined in paragraph 8. The differential and ring gear can be re- moved after unbolting and separating left-hand axle housing and models or right-hand axle housing all other models from differential center housing Fig.
Bevel pinion 20 can be removed after removing nuts 25 from the shaft. Drive the shaft inward until free of rear bear- ing Be sure to note the location and thickness of all shims and retain for use in reassembly.
To disassemble differential unit on and models, remove carrier bearings 9 - Fig. Drive out the retaining pin 11 and remove pinion gear shaft 10 , pinion gears 15 and thrust washers To disassemble differential unit on and models, remove differen- tial case cover 7-Fig.
Remove pin- ion gear shaft retaining pin, then withdraw shaft 10 , pinion gears 15 , thrust washers 16 and the other side gear 14 from differential case To disassemble differential unit on and models, remove left side gear Fig.
Remove snap ring 11 , then slide pinion gear shaft 10 out of differential case. Remove pinion gears 15 , thrust washers 16 and right side gear To disassemble differential unit on models, remove cover 7-Fig.
Drive assembly used on and models Is similar. Parts shown In Inset are used on late production tractors. Wheel axle 2. Oil seal 3. Outer cover 4. Bearing 5. Bevel gear 7. Bearing 8. Bearing 9. Reduction gear housing Pinion gear case Bearing 18A. Kingpin 20A. Arm 21A. Dipstick Axle shaft AxJe housing L. Drag link Tie rod Differential housing Cover plate Is this a trial or a limited version? Instant download means no shipping charges or waiting for paper or CD manuals to arrive at the mail.
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