ENGINE AR-COMPLETE 3817586 - Caterpillar

Crankshaft Salvage Wear Sleeve (If Equipped)
A factory built engine does not have a wear sleeve.Engine Equipped With Wear Sleeve
If the engine is equipped with a wear sleeve it could be either a:* 7C-7980, which is used in conjunction with a 7C-3570 (Dry) Crankshaft Seal .. or a* 7C-7589 (Wet) Crankshaft Seal .. or a* Wear sleeve that is part of a 115-4109 (Dry) Crankshaft or 115-4120 (Wet) Crankshaft Seal Group.Seal/Wear Sleeve Identification
The wear sleeve can be identified by identifying the seal used.The wear sleeve MUST be identified in order to use the correct tooling for the sleeve removal.7C-3570 Crankshaft Seal Or 7C-7989 Crankshaft Seal
A 7C-3570 Crankshaft Seal Or 7C-7589 Crankshaft Seal is removed using a 4C-4869 Distorter Ring.115-4109 Crankshaft Seal Or 115-4120 Crankshaft Seal
A 115-4109 Crankshaft Seal Or 115-4120 Crankshaft Seal is removed using a 5P-7314 Distorter Ring.
If the INCORRECT Distorter Ring is used:* The wear sleeve removal may be hampered or crankshaft damage could occur.
Remove Crankshaft Wear Sleeve
1. Install 4C-4869 Distorter Ring or 5P-7314 Distorter Ring (1), depending on crankshaft seal removed, in the rear seal bore.2. Install 5P-7409 Distorter (2) between 4C-4869 Distorter Ring or 5P-7314 Distorter Ring (1)Turn 5P-7409 Distorter (2) until the edge of the tool makes a crease in the wear sleeve.Repeat the turning procedure in two or three more locations on the wear sleeve or until the sleeve is loose.3. Remove 5P-7409 Distorter (2), 4C-4869 Distorter Ring or 5P-7314 Distorter Ring (1) and wear sleeve.Installing 115-4109 (Dry) and 115-4120 (Wet) Crankshaft Seals Using the 1U-7598 Installer Group
1. 9S-8858 Nut Assembly. 2. 1U-7594 Installer (Rear). 3. 1U-7597 Ring (Sleeve). 4. 1U-7596 Bolt (two). 5. 1U-7595 Locator Assembly (Rear). 1. Position Crankshaft Seal Group (6) on 1U-7597 Ring (3) with the inside diameter bevel of the crankshaft seal wear sleeve facing away from the 1U-7597 Ring. Do NOT install the crankshaft Seal Group if:* The seal has been separated from the sleeve.* The Seal Group is NOT assembled when removed from the parts package.* The Seal Group appears to be damaged in ANY way.* The seal has been LUBRICATED. The seal has been designed to be installed dry.2. Install 1U-7595 Locator Assembly (5) with two 1U-7596 Bolts (4) on the rear of the crankshaft.Tighten 1U-7596 Bolts (4) LOOSELY (finger tight). This will allow the Seal Group and 1U-7597 Ring (3) to self align when installed.3. Position Seal Group (6) with 1U-7597 Ring (3), as a unit, over 1U-7595 Locator Assembly (5) on the crankshaft.4. Position 1U-7594 Installer (2) over 1U-7595 Locator Assembly (5) and 1U-7597 Ring (3).Install 9S-8858 Nut Assembly (1) and tighten to install the Seal Group.5. Remove 9S-8858 Nut Assembly (1), 1U-7594 Installer (2) and 1U-7597 Ring (3).Turn 1U-7597 Ring (3) over and install 1U-7597 Ring (3), 1U-7594 Installer (2) and 9S-8858 Nut Assembly (1).Tighten 9S-8858 Nut Assembly (1) to complete installation of the crankshaft Seal Group.6. Remove 9S-8858 Nut Assembly (1) and 1U-7594 Installer (2).Inspect 1U-7597 Ring (3) and 1U-7595 Locator Assembly (5).
Properly installed 1U-7597 Ring (3) and 1U-7595 Locator Assembly