CONTROL GP-BUCKET 2165131 - Caterpillar

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00819183
Position the final drive drain plug (2) on the bottom of the final drive, as shown. Remove drain plug (2), and drain the oil from the final drive into a suitable container for storage or disposal. The capacity of the final drive is approximately 11.4 L (3 US gal).
Remove bolts and cover (1) from the final drive. Remove the O-ring seal from cover (1).
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Remove the retainer from the final drive sun gear.
Use Tooling (A) in order to remove the outer axle.
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Illustration 4 g00503561Note: This final drive contains two sun gears. The inner sun gear must be held in place with Tooling (B). This will prevent the inner sun gear from falling out of the final drive when the planetary carriers are removed. Steps 5 and 6 are done in order to hold the inner sun gear in place.
Install Tooling (B) in order to hold inner sun gear (6) in place. Note: Tooling (C) should be installed 25.4 mm (1.00 inch) in order to hold the planetary carrier.
Remove three equally spaced bolts that hold planetary carrier (4) to hub (5). Install Tooling (C) in the place of the three bolts, as shown.
Remove remaining bolts (3) that hold the planetary carrier to the hub.
Illustration 5 g00503562
Adjust the upper bracket on Tooling (D) so that Distance (X) is 203 mm (8.0 inch). Install lower plate (7). Install the lower plate so that the spacers are upward and so that the spacers are toward the leg of the bracket.
Illustration 6 g00503603
Use a pry bar, and move planetary carrier (4) out of the hub. Pry out on the planetary carrier until the movement is stopped by Tooling (C).
Install Tooling (D) and a suitable lifting device on the planetary carrier, as shown. The weight of the planetary carrier is approximately 105 kg (231 lb).
Remove Tooling (C), and remove planetary carrier (4) from the hub.
Hold sun gear (6) in position and remove Tooling (B) from the planetary carrier. Note: Sun Gear (6) will be free to fall when Tooling (B) is removed. In order to prevent possible personal injury, it is necessary to support the sun gear as Tooling (B) is removed.
Illustration 7 g00503605
Illustration 8 g00503606
Place Tooling (E) under final drive hub (5) in order to hold the hub in position when you remove retainer (9). Install Tooling (F) in order to hold ring gear (8) in position. Use the bolts that hold the planetary carriers in position to install Tooling (F). Note: Ring Gear (8) will be free to fall when retainer (9) is removed. Tooling (E) and Tooling (F) must be used in order to