BUSHING QD TYP 1C4993 - Caterpillar

Start By:a. remove flywheel
When a replacement of the rear seal is made, a replacement of the wear sleeve is to be made also.
1. Remove the crankshaft rear seal with tool (A). 2. Install tool (C) in the rear seal bore.3. Install tool (B) between tool (C) and the wear sleeve. Turn tool (B) until the edge of the tool makes a flat place (crease) in the wear sleeve. Do this in two or more places until the wear sleeve is loose.4. Remove tool (C) and the wear sleeve by hand.Install Crankshaft Rear Seal And Wear Sleeve
Once there is a separation of a seal and wear sleeve they cannot be used again. Used seals cannot be used again.
Do not use any type of lubrication during the installation of the seal group.1. Put locator (3) from tooling (A) in position on the crankshaft, and install three bolts (1) from tooling (A) that hold the locator in place.2. Use 6V1541 Quick Cure Primer to clean the outside of crankshaft flange (4) and the inside diameter of wear sleeve (2).3. Put 9S3265 Retaining Compound on the outside diameter of crankshaft flange (4) and the inside diameter of wear sleeve (2). 4. Put the seal group (wear sleeve and seal) on locator (3). Put installer (5) from tooling (A) on locator (3) and install nut (6) from tooling (A). Put lubricant on the face of the washer on nut (6).5. Tighten nut (6) until installer (5) comes in contact with locator (3).6. Remove tooling (A), and check the seal group for correct installation.End By:a. install flywheel