2000/08/07 Caterpillar

Excavator:

307B (PIN: 4RW; 5CW; 6KZ; 7DZ; AFB)

Disassembly and Assembly, RENR1091-01, "Main Hydraulic Pump Assemble", Page 264. Change Step 9a in order to remove the statements that refer to installing the socket head bolts and tightening the cover to full torque.

Part of the procedure to assemble the swashplate into the housing of the main hydraulic pump is changed. Step 9 describes the steps in order to adjust the preload of the bearings on the swashplate. Step 9a is changed in order to remove the tightening of the cover onto the housing. Step 9a should be corrected to the following statement: "Without the O-ring seal, put cover (61) in position on the housing."

During this procedure, make sure that the bearings are seated with tool (B) at each step in assembling the bearings.