FLYWHEEL 8N8665 - Caterpillar

3. Using an OTC Model 1790 Lo-Lift Transmission Jack (A), remove the transmission guard (2)-weight 375 lbs. (170 kg). 4. Position a floor jack under driveshaft, and remove retaining bolts (1). Remove the driveshaft (3)-weight 95 lbs. (43 kg). 5. Remove rear axle housing oil filler pipe (7).6. Disconnect the support bearing lubrication line (8) from top of rear support (6). Disconnect support bearing lubrication line from top of front support.7. Disconnect the brake oil supply line from top front of axle housing.
Be sure brake oil pressure has been relieved before disconnecting supply line.
8. Position transmission jack (A) under differential. Secure the differential to jack.9. Block the front and rear of both tires. Remove the front and rear support-to-frame mounting bolts and nuts (9) and (10).10. Raise the rear of machine approximately 8 in. (20 cm), and install floor stands under rear of machine.11. Remove blocks from rear of tires, and roll the axle housing and wheel assembly to the rear of machine as far as possible. Reposition blocks under both tires.12. Remove carrier assembly-to-axle housing retaining bolts (4). Install three of the retaining bolts in forcing screw holes (5), and separate carrier assembly from axle housing. Remove the rear differential-weight 1200 lbs. (540 kg).Install Rear Differential And Carrier Assembly
1. Remove the cover (1) and shims from the rear axle housing. 2. Using an OTC Model 1790 Lo-Lift Transmission Jack (A), position the differential in the rear axle housing.3. Install the carrier assembly-to-axle housing retaining bolts. Tighten bolts to 350 35 lb. ft. (48,4 4,8 mkg).4. Remove blocks from under front of tires, and roll the axle housing and wheel assembly into position under machine.5. Lower the rear of machine onto axle housing, and install front and rear support-to-frame mounting bolts and nuts. Tighten nuts to 825 75 lb. ft. (114,1 10,4 mkg). Remove jack.6. Install cover (1) without shims. Tighten the two retaining bolts evenly. Measure the gap between cover and axle housing. Remove cover.7. Install cover (1) with shims equal in thickness to the measured gap plus .002 .001 in. (0,05 0,03 mm).8. Connect the brake oil supply line to top front of axle housing.9. Connect support bearing lubrication lines to top of front and rear supports. 10. Clean mating surfaces of driveshaft and flanges on differential and transfer gear. Lubricate threads of driveshaft retaining bolts with a multi-purpose grease.11. Using a floor jack, position driveshaft and install retaining bolts. Tighten bolts to 225 20 lb. ft. (31,2 2,8 mkg).12. Install rear axle housing oil filler pipe. Using jack, install transmission guard.13. Fill the rear axle housing with oil to specified level. Bleed the air from rear brakes.concluding step: a) install rear axles