312E Excavator Machine Systems Caterpillar

Removal Procedure

Start By:

1. Separate the upper frame from the undercarriage frame.

1. Remove all the grease from the swing gear and bearing. Put the grease in a suitable container for storage or disposal.

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Illustration 1	g02672179

2. Remove bolts (1). Install bolts and mark swing gear and bearing (2) or alignment purposes

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Illustration 2	g02672908

3. Attach Tooling (A) and a suitable lifting device in order to remove swing gear and bearing (2) from the undercarriage (3) .

Installation Procedure

1. Install swing gear and bearings (2) in reverse order of removal.

End By: Connect the upper frame from the undercarriage frame.