SEAL-O-RING 4Z8509 - Caterpillar

Illustration 32 g03842626
Install ring gear (15), hub (16) and four retainers (17) as a unit to wheel (3). Note: The top of spindle (24) should be 1 to 2 mm (0.039 to 0.078 inch) below the face of hub (16).
Remove Tooling (A) and bolts (18)
Apply Tooling (F) and then apply Tooling (J) to the threads of bolts (18) prior to installation.
Install eight bolts (18). Tighten bolts (12) to a torque of 135 10 N m (100 7 lb ft).
Illustration 33 g03842627
Install bearing plate (13) without the shims.
Install five bolts (12) evenly spaced, but do not tighten.
Use a depth micrometer to measure the distance from the top of bearing plate (13) to the wheel spindle. Measure through the three evenly spaced small holes in bearing plate (13). Find the average value of the three measurements, to find the zero reading.
Tighten bolts (12) to a torque of 90 14 N m (66 10 lb ft).
Rotate the wheel assembly two to three complete revolutions.
Loosen bolts (12) until bearing plate (13) is loose.
Rotate the wheel assembly two to three complete revolutions.
Use a depth micrometer to measure the distance from the top of bearing plate (13) to the wheel spindle. Measure through the three holes in bearing plate (13). Find the average value of the three measurements.
Compare the average measurement from Step 83 to the zero reading from Step 78.
If, the difference is 0.05 mm (0.002 inch) or less go Step 87. If the difference is greater than 0.05 mm (0.002 inch), repeat Steps 79 through 84, then go to Step 86.
If, the measurement found at Step 84 is still greater than 0.05 mm (0.002 inch) disassemble the parts to determine the problem. If the measurement is 0.05 mm (0.002 inch) or less, go to Step 87.
Tighten bolts (12) to a torque of 40 7 N m (30 5 lb ft).
Rotate the wheel assembly two to three complete revolutions.
Tighten bolts (12) to a torque of 40 7 N m (30 5 lb ft).
Use a depth micrometer to measure the distance from the top of bearing plate (13) to the wheel spindle. Measure through the three holes in the bearing plate (13). Calculate the average value of the three measurements.
Remove bolts (12) and bearing plate (13).
Use an outside micrometer to measure the thickness of bearing plate (13). Make a measurement at each of the three holes that were used for the depth measurement. Find the average value of the three measurements.
Subtract the average thickness of bearing plate (13) found in Step 92 from the value found in Step 90. This difference is the clearance between the end of the spindle and bearing plate (13).
Add 0.10 mm (0.004 inch) to the value found in Step 93 to give the thickness of shims (14) required.
Install required shims (14) (not shown) and bearing plate (13).
Apply Tooling (F) and then apply Tooling (G) to the threads of bolts (12) prior to installation.
Install ten bolts (12). Tighten bolts (12) to a torque of