END BELL 0907234 - Caterpillar

Image1.1.1
3. Remove the dowel pin(s) from the swing drive group. Refer to Image1.2.1.
4. Measure inside the diameter (B) of the dowel pin hole(s) at the depth of 10mm from the top surface. Measure inside diameter (C) that is the point of 90 degrees from measure point (B).
- If any of the diameters exceed 30.022mm, replace the swing drive group to new swing drive group.
- If all the diameters are 30.022mm or less, there is no need to replace the swing drive group.
Image1.2.1
5. Install the new swing drive group. Refer to Disassembly and Assembly, "Swing Drive - Install" or "Swing Drive ? Remove and Install". Refer back to Image1.1.1, Table 1, for the publication number for your machine model. Refer to Image1.3.1 for the swing drive group part numbers for the serial number of the machine.
Image1.3.1
6. Reconnect the hoses to the swing motor, installing new O-ring seals.
7. Reinstall the covers.