SEAL 3584420 - Caterpillar

Separation Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     138-7575     Link Bracket     3    Start By:
Remove the torque converter, the transmission and the output transfer gears as a unit. Refer to Disassembly and Assembly, "Torque Converter, Transmission and Output Transfer Gears - Remove".
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, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, all hoses and all tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
Thoroughly clean the outside of the torque converter, the outside of the transmission and the output transfer gears prior to disassembly.
Illustration 1 g01325284
Remove two bolts (6) (not shown) and tube assembly (5) from transmission oil pump (4) .
Disconnect temperature sensor (3). Disconnect harness assembly (2) from the bracket.
Attach a suitable lifting device to transmission oil pump (4). The weight of transmission oil pump (4) is approximately 30 kg (66 lb).
Remove bolts (1) which hold transmission oil pump (4) in place. Use the suitable lifting device in order to remove transmission oil pump (4) .
Illustration 2 g01325285
Install Tooling (A) and a suitable lifting device to torque converter assembly (7). The weight of torque converter assembly (7), the transmission, and the output transfer gears is approximately 1104 kg (2434 lb). Use Tooling (A) and the suitable lifting device in order to position torque converter assembly (7), the transmission, and the output transfer gears in a vertical position onto suitable cribbing.
Illustration 3 g01325288
Remove bolts (8) that hold torque converter assembly (7) to the transmission and the output transfer gears.
Illustration 4 g01325289
Remove bolts (9) that hold torque converter assembly (7) to the transmission and the output transfer gears.
Illustration 5 g01325292
Remove bolts (10) that hold torque converter assembly (7) to the transmission and the output transfer gears.
Disconnect harness assembly (11) .
Illustration 6 g01325220
Typical Example
Use Tooling (A) and the suitable lifting device in order to remove torque converter assembly (7) and the O-ring seal from the transmission and the output transfer gears. The weight of torque converter assembly (7) is approximately 190 kg (420 lb).