RING-SEAL CASE 7T1074 - Caterpillar

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Tooling (B) is installed on the Inner Sun Gear.
This f inal 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.
Three bolts [Tooling (C) ] must be threaded in 25 mm (1 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 the remaining 26 bolts (3) that hold the planetary carrier to the hub.
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Adjust the upper bracket on Tooling (D) so that distance (X) is 203 mm (8 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.
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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) .
Fasten a hoist, and install Tooling (D) on the planetary carrier, as shown.
The weight of the planetary carrier is 250 kg (550 lb). Remove Tooling (C), and remove plate carrier (4) from the hub.
Personal injury or death can result from not following the proper procedures.To avoid the possibility of injury or death, follow the established procedure.
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.
Hold sun gear (6), and remove Tooling (B) from the planetary carrier.
In order to disassemble the planetary carriers, see the Disassembly And Assembly, "Final Drive Diasssemble" procedure in this module.
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Personal injury or death can result from not following the proper procedures.To avoid the possibility of injury or death, follow the established procedure.
Ring Gear (8) will be free to fall when retainer (9) is removed. In order to prevent possible personal injury, Tooling (E) and Tooling (F) must be in position to hold ring gear (8) and the hub in postion when you remove retainer (9) .
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) .
Remove the bolts and retainer (9) from the final drive.
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Use Tooling (G), and remove ring (10) from retainer (9) .
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Use a magnet, and remove 15 pins (11) from the hub.
Remove lip seal (12) from the hub (spindle).