TIP AS- 5054082 - Caterpillar

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Remove the tool that is provided for tensioning the track. The tool is stored on the left side of the engine compartment.
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Install the tool (3) . Ratchet the tool in order to remove any pressure that is being placed on the bolts (2) . Remove the two bolts, lockwashers and locknuts (2) . Ratchet the tool in order to pivot the idlers (1) .
Pivot the idlers forward until you are able to reinstall the two bolts in the next available holes. Reinstall the two bolts, lockwashers and locknuts. Tighten the two bolts to the following torque 120 N m (89 lb ft). Remove the tool.Note: In order to detension the track for removal, pivot the idlers backward.Note: If the idler is already in a vertical position it may be necessary to relocate the mounting bolts for the drive frame into the second set of holes that is provided in order to achieve the proper track tension. Refer to Operation and Maintenance Manual, "Adjustment of the Drive Frame for the 267 and 277" for the correct procedure.
Recheck the tension of the track.Adjustment of the Drive Frame for the 267 and 277
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Fully lower the wheels that tension the track so that all tension is removed from the track. Remove the bolts (1) , (2) and (3) that secure the drive frame.Note: The bolt (2) is located on the opposite side of the drive frame from bolt (3) . It will be necessary to raise the body of the machine in order to gain access to this bolt.
Install the tool into the brackets (A) . Position the tool so that the fixed end of the tool is positioned inside the hooks. Slide the pin that is located on the other end of the tool through the holes in the undercarriage in order to secure the tool. Ratchet the tool in order to move the drive frame backward. Continue to move the drive frame until the second set of mounting holes are visible and the three bolts can be reinstalled. Tighten the bolts. Adjust the track tension.Note: A pry bar may be needed in order to lift the drive frame upward when you move the drive frame rearward.Note: Ensure that the drive lugs of the track do not contact the front axle.Track Adjustment for the 287
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Place a 45 kg (100 lb) weight between the drive sprocket and the idlers. Place a straight edge across the drive sprocket and idlers. Measure the track sag between the bottom of the straight edge and the top of the track. The track sag should be set at 12 mm (0.5 inch). If the track needs adjustment proceed with the following steps.
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Install the track tensioner. The square portion of the bracket assembly for the track tensioner fits into the square cutouts on top of the undercarriage.
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Loosen the jam nut and turn the adjuster in order to align the bore of the track tensioner with the holes in the mounting brackets on