SPRING 7D2659 - Caterpillar

Start By:a. remove flywheel This operation was done on a later machine. 1. Remove bolts (1), lock (if so equipped), shaft assembly (2), washer and gear (3). 2. Remove washer (4). 3. Use tool (A) to remove the crankshaft rear seal. 4. Install tool (C) in the rear seal bore.5. 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.6. Remove tool (C) and the wear sleeve by hand.Install Crankshaft Rear Seal And Wear Sleeve
The wear sleeve and seal must be installed together. 1. Put locator (1) from tooling (A) in position on the crankshaft and install three bolts (2) that hold it in place. 2. Put clean engine oil on the seal lip and on the outside diameter of wear sleeve (3). Install the seal on the wear sleeve with the side of the seal that has the part no. toward the side of the wear sleeve that has the chamfer on the outside diameter as shown.3. Use 6V1541 Quick Cure Primer to remove any oil from inside diameter "X" of the wear sleeve and surface "Y" of the crankshaft. Make an application of 9S3265 Retaining Compound to surfaces "X" and "Y". 4. Put the wear sleeve and seal on locator (1) as shown, with the part no. on the seal out. Put installer (4) and nut (5) on the locator as shown. Put lubricant between the installer nut.5. Use tooling (A) to push the wear sleeve and seal on to the crankshaft until the installer is against the locator. The wear sleeve and seal will then be in the correct location. The wear sleeve will be 7.9 mm (.31 in.) from the end of the crankshaft and the seal will be 9.7 mm (.38 in.) from the end of the crankshaft.6. Remove tooling (A). 7. Put clean grease on washer (6) and install washer (6) on the shaft. 8. Install the washer on shaft assembly (8).9. Put gear (7) and shaft assembly (8) in position and install the lock (if so equipped) and the bolts that hold them in place.End By:a. install flywheel