259B3 Compact Track Loader, 247B3 and 257B3 Multi Terrain Loaders and 216B3, 226B3, 236B3, 242B3 and 252B3 Skid Steer Loaders Power Train Track (Rubber) - Remove and Install Caterpillar

Removal Procedure

1. Position the machine on firm, level ground.

2. Remove any work tool that is attached to the quick coupler.

3. Raise the loader arms and install the lift arm brace for the loader lift arm. Refer to Operation and Maintenance Manual, "Loader Lift Arm Brace Operation".
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   Illustration 1	g01338128

4. Use a suitable lifting device in order to raise the machine until tracks (1) and Dimension (X) is approximately 50 mm (2.0 inch) off the ground. Position Tooling (A) under the machine.
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   Illustration 2	g01390764

5. Loosen jam nut (2) up to the stop. Loosen tensioner (3) up to stop. This will relieve the tension from the track.
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   Illustration 3	g01390785

6. Remove bolts (4) and remove idler wheel (5).
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   Illustration 4	g01390800
   Typical Example

7. Reposition track (1) and attach two suitable lifting devices to track (1). The weight of track (1) is approximately 85 kg (189 lb). Use the suitable lifting devices in order to remove track (1) from the machine.

Installation Procedure

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Illustration 5	g01390800
Typical Example

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Illustration 6	g01390838
Typical Example

1. Attach two suitable lifting devices to track (1). The weight of track (1) is approximately 85 kg (189 lb). Use the suitable lifting devices in order to position track (1) to the machine.

2. Place suitable cribbing beneath track (1) in order to provide additional support. Remove the suitable lifting devices and finish positioning track (1) to the machine.

   Note: Apply a soap and water solution to the surface of the front idler wheel and on the inside of track (1) in the front. This will help in positioning track (1).

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   Illustration 7	g01390785

3. Position idler wheel (5) and install bolts (4). Tighten bolts (4) in a cross pattern to a torque of 50 ± 5 N·m (37 ± 4 lb ft). Then, tighten bolts (4) in a cross pattern for an additional 30 degrees.
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   Illustration 8	g01338403

4. Use a suitable lifting device in order to remove Tooling (A) and lower the machine to the ground.

5. Disengage the lift arm brace. Refer to Operation and Maintenance Manual, "Loader Lift Arm Brace Operation". Lower the loader arms.
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   Illustration 9	g01390884
   Typical Example

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   Illustration 10	g01390764

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   NOTICE
   Do not overtighten the tracks. Tracks that are too tight can cause premature failure of the tracks. Tracks that are too tight can cause power loss and bearing failures.

6. Place a 45 kg (100 lb) weight on the track between the drive sprocket and the idlers. Measure the track sag between the bottom of the straight edge and the top of the track. Turn tensioner (3) in order to tighten the track. The track sag should be set at 12 mm (0.48 inch).

7. Tighten jam nut (2) to a torque of 270 ± 40 N·m (200 ± 30 lb ft).