SEAL-BACKUP 2331780 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1P-0510     Driver Group     1    
B     5P-7315     Wear Sleeve Distorter Ring     1    
C     5P-7312     Seal Distorter     1    Start By:
Remove the vibration damper and the pulley. Refer to Disassembly and Assembly, "Vibration Damper and Pulley - Remove and Install".
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 machine. 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 Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines.Dispose of all fluids according to local regulations and mandates.
Note: When a crankshaft seal is replaced, the wear sleeve must also be replaced.
Illustration 1 g00504503
Remove the two bolts, washers, spacers and clamp (1) that holds crankshaft seal adapter (2) in position. Remove crankshaft seal adapter (2) and the O-ring seal from the engine.
Use Tool (A) and a press to remove the crankshaft seal from crankshaft seal adapter (2) .
Install the O-ring seal and crankshaft seal adapter (2) on the engine. Install the two bolts, washers, spacers and clamp (1) to hold crankshaft seal adapter (2) in position.
Illustration 2 g00510634
Install Tool (B) in the bore of seal adapter (2), as shown.
Care should be taken to ensure that the seal distorter does not cut through the wear sleeve. Damage to the crankshaft surface may occur leading to possible oil seal leaks.
Install Tool (C) between Tool (B) and the wear sleeve. Turn Tool (C) with a wrench, until the edge of the tool makes a flat crease in the wear sleeve. Repeat this process until there are enough creases in the wear sleeve in order to allow the wear sleeve to be slipped off the end of the crankshaft.
Remove Tools (B) and (C). Remove the wear sleeve by hand.