MACHINE AR 3283305 - Caterpillar

Removal Procedure
Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
A     227-4390     E12 Torx Socket     1    Start By:
Remove the flywheel. Refer to Disassembly and Assembly, "Flywheel" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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.Dispose of all fluids according to local regulations and mandates.
Note: The crankshaft rear seal and the housing are manufactured as a one-piece assembly. The assembly is not serviceable. If the crankshaft rear seal is removed, the assembly must be replaced.
Illustration 1 g02449936
Use Tooling (A) in order to remove torx screws (1) from crankshaft rear seal (2) .
Remove crankshaft rear seal (2) from the cylinder block. Discard the crankshaft rear seal.Installation Procedure
Table 3
Required Tools    
Tool     Part Number     Part Description     Qty    
A     227-4390     E12 Torx Socket     1    
B     FT-2806     Alignment Tool     1    Note: The crankshaft rear seal and the housing are manufactured as a one-piece assembly.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g02450219
Illustration 3 g02450222
Ensure that crankshaft flange (1) is clean, dry, and free from damage.
Ensure that the face of the cylinder block and the bridge piece are clean and dry.
A new crankshaft rear seal is supplied with a plastic sleeve (3). Ensure that the plastic sleeve is squarely installed within crankshaft rear seal (2) .Note: The plastic sleeve is included in order to protect the lip of the seal as the seal is pushed over the crankshaft flange.Note: Do not lubricate the crankshaft rear seal or the crankshaft flange. The crankshaft rear seal must be installed dry.
Align plastic sleeve (3) with crankshaft flange (1). Ensure that the plastic sleeve is engaged onto the crankshaft flange. Push new crankshaft rear seal (2) squarely onto the crankshaft flange.During this process, the plastic sleeve will be forced out of the crankshaft rear seal. Discard the plastic sleeve.
Align the two molded locators on crankshaft rear seal (2) with the holes in the cylinder block. Ensure that the crankshaft rear seal is seated against the cylinder block.
Illustration 4 g02451996
Install torx screws (4) finger tight.Tightening sequence for the crankshaft rear sealNote: Do not install torx screws to Positions (X) at this stage.
Install Tooling (B) to crankshaft rear seal (2) and to crankshaft flange (1) .
Use Tooling (A) in order to tighten torx screws (4) to a torque of 22 N m (16 lb ft). Tighten torx screws (4) in the sequence that is shown in Illustration 4.
Remove Tooling (B) .
Install remaining torx screws (4) to Positions (X). Use Tooling (A) in order to tighten the torx screws to a torque of 22 N m (16 lb ft). Refer to Illustration 4.End