BRUSH 1058304 - Caterpillar

Illustration 1. Location of possible cracks in former pipes that connect swing motor with control valve.Adaptable To: The former 991399 and 991400 Pipes that connected the swing motor to the control valve have been replaced by the components listed in the chart. Illustration 2 shows the locations of the new component Items (1 through 5 and 10). Illustration 3 shows the locations of new component Items (6 through 9). The new components are in effect with E200B Excavators 6KF254 and 6KG178, and EL200B Excavators 7DF567.
Illustration 2. Location of new components used to connect the swing motor to the control valve.
Illustration 3. Location of new components used to connect the swing motor to the control valve. The new components listed in the chart are adaptable as replacements for the former pipes on E200B Excavators 6KF1-6KF253 and 6KG1-6KG177, and EL200B Excavators 7DF1-7DF566. A support plate must be fabricated as shown in Illustration 4 and welded to the swing frame floor as shown in Illustration 5.
Illustration 4. Dimensions for fabricated support plate.
Illustration 5. Location to weld fabricated support plate on swing frame floor, viewed from top.