HYDRAULIC PUMP GROUP 7J4634 - Caterpillar

Remove Crankshaft Rear Seal & Wear Sleeve
Start By:a. remove flywheel 1. Use tool (A) to remove the crankshaft rear seal. 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 spot 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 & Wear Sleeve
The wear sleeve and seal must be installed at the same time.1. Install the crankshaft rear seal and wear sleeve with tooling (A) as follows: a. Clean and prepare the inside diameter of the wear sleeve and the outside diameter of the crankshaft with 6V1541 Quick Cure Primer. Apply 9S3265 Retaining Compound to the outside diameter of the crankshaft and the inside diameter of the wear sleeve before the wear sleeve is installed on the crankshaft.b. Install locator (2) and the bolts on the crankshaft gear.c. Install spacer (3) on the stud of locator (2).d. The wear sleeve and seal come as a set with the seal already installed on the wear sleeve.e. Put the wear sleeve (1) and seal (6) in position on locator (2) with the outside diameter bevel of the wear sleeve toward the outside. Make sure the lip of the seal is toward the front of the engine before the seal is pushed in position, as shown.f. Put installer (5) in position on locator (2).g. Put clean engine oil on the face of nut (4) and the nut's contact area on installer (5). Install nut (4) on locator (2).h. Tighten nut (5) until installer (4) makes contact with spacer (3).i. Remove tooling (A), and check the wear sleeve and seal for correct installation.End By:a. install flywheel