ENGINE AR-COMPLETE 2281253 - Caterpillar

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Position Tooling (A) under the equalizer bar on the opposite side of the track roller frame. Raise the equalizer bar until a 25 mm (1.0 inch) piece of the bar stock can be installed between the frame and the equalizer bar. Place the bar stock on the side of the track that is being removed. The bar stock keeps the equalizer bar in the original position during the removal of the track roller frame.
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Position Tooling (A) under the front track roller frame.
Loosen bolts (3). Remove equalizer bar pin (4) from the rear track roller frame.
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Remove bolts (5) from seal retainer (6).
Attach a suitable lifting device to trunnion (8). The weight of trunnion (8) is approximately 43 kg (95 lb). Remove bolts (7) and trunnion (8).
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Remove plug (9) and the O-ring seal from plate (10).
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Use Tooling (C) to remove plate (10).
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Remove bolts (11), plate (12), and the thrust ring from the shaft.
Remove Tooling (A) from the front track roller frame.
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Personal injury or death can result from lifting a heavy assembly.The heavy assembly can fall if using an incorrect hoist to lift the load.Be sure the hoist has the correct capacity to lift a heavy assembly. Approximate weight of the assembly is given below.
Pinch PointStay clear of this area!Serious personal injury may occur.
Use a suitable lifting device and Tooling (B) in order to remove the track roller frame from the machine. Place suitable blocking on the opposite side under track to help support the weight of the tractor and help prevent tipping. The combined weight of the track roller frame and Tooling (B) is approximately 4699 kg (10360 lb). Installation Procedure
Install the track roller frame in the reverse order of removal.
Table 2
Torque Table
Undercarriage Types Torque Value
Suspended Undercarriage 1800 250 N m (1328 184 lb ft)
Non-Suspended Undercarriage 1600 200 N m (1180 148 lb ft)
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Tighten bolt (3A) to the torque value listed in Table 2.
Tighten bolt (3B) to the torque value listed in Table 2.
Torque bolt (3A) again to the torque value listed in Table 2.
Torque bolt (3B) again to the torque value listed in Table 2.
Repeat Step 1.a thru Step 1.d on the other side of machine.
Install bolts (7) to a torque of 240 40 N m (177 30 lb ft).