561M Pipelayer Track Roller Frame Guides - Inspect Caterpillar

Measure the rotational movement of the front roller frame relative to the rear roller frame.

Illustration 1	g00427478
Typical example

1. Raise the front of the machine. Place a 100 mm (4 inch) block under the outside edge of a track shoe. Place the block near the front track idler. Lower the machine onto the block.
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   Illustration 2	g00414726
   Typical example

2. Use a grease pencil to make a mark on the tubular section of the front roller frame. Make a mark on the rear of the roller frame. This mark should correspond with the mark that is on the tubular section.
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   Illustration 3	g00427479
   Typical example

3. Raise the front of the machine. Place the block under the inside edge of the same track shoe. Lower the machine onto the block.
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   Illustration 4	g00414727
   Typical example

4. Put a mark on the tubular section of the front roller frame. This mark should correspond with the mark on the rear roller frame. Measure the distance between the two marks on the front roller frame.

If the distance between the two marks is greater than 4.5 mm (0.18 inch), inspect the track roller frame guides for wear.

Repeat the entire procedure for the other side of the machine.

Illustration 5	g00039582

If dimension (X) is less than 71.5 mm (2.81 inch), replace the track roller frame guides. Consult your AVSpare dealer for information or for service.