KIT-PISTON 5081908 - Caterpillar

Do not spread carrier in excess of .38 mm (.015").
Remove indicator. Tools: Spreader, Indicator Set. 7. Prelubricate differential bearing with specified gear lubricant. Assemble differential bearing cups to bearing cones. Assemble differential into carrier housing.
Care should be taken when meshing the teeth of the ring gear with those of the pinion to prevent possible nicks, etc.
8. Use a rawhide hammer to completely seat the case assembly into carrier crossbore. Remove spreader. 9. Assemble bearing caps. Make sure the letters stamped on the bearing caps correspond with those stamped in the cover face of the carrier in both horizontal and vertical positions.
Torque screws to 96-122 N m (70-90 lbs. ft.).
There are two different design cover plates. One cover is of the flat mounting surface, and the other design is of the rib between screw holes.
10. The above illustration shows the flat mounting surface cover plate on Dana design axles. This cover requires the use of a silicone rubber sealer material rather than a gasket. 11. The cover face of the carrier and the flat surface of the cover plate must be free of any oil film or foreign material.Sealant must meet specifications of ASTM3, GE303, A19, B37, E16, E36, Z1, Z2 & Z3 sealant.Apply sealer to cover plate surface. Ensure that the sealer bead is laid on the inside of the cover screw holes. The bead is not to pass through or outside of the holes.The bead is to be 3.18-6.35 mm (1/8" to 1/4") high, and 3.18-6.35 mm (1/8" to 1/4" wide.Assemble two cover screws into cover at 8 o'clock and 2 o'clock position. Use these two holes to guide cover plate into position on the carrier.Install remaining screws. Tighten alternately and evenly. Torque screws to 41-54 N m (30-40 lbs. ft.).Allow one hour cure time before vehicle operation. 12. On cover plates of the rib design a gasket must be used. Do not use silicone sealer.
Torque cover screws to 41-54 N m (30-40 lbs. ft.).
On all front axles the cover plate is of a different design and requires the use of a gasket. Do not use a silicone rubber sealer material.
13. Assemble axle in vehicle. Fill axle with the specified lubricant. Refer to vehicle manufacturer's lubricant recommendations.Assemble brake backing plate, etc., and axle shafts into housing. Refer to Vehicle Service Manual for the specified torques of wheel end components.Assemble brake drums and wheels.Powr-Lok Complete Assembly Replacement
1. If inspection reveals that replacement of the Powr-Lok as a unit is necessary, the following steps should be followed. 2. Place a few shop towels over and between the vise jaws to prevent the teeth of the ring gear from becoming nicked after it is free from the case.3. Assemble differential case in vise. Remove both differential bearings, cones, and shim packs. Mark or tag each bearing cone and shim pack as they are removed and indicate from which side they were removed. Turn forcing screw to pull bearings off hubs. Tools: Press, Extension, Adapter, Button, Adapter Ring.
It is recommended that