SHIELD AS-HEAT 2031143 - Caterpillar

Any time the crankshaft seal is removed from the wear sleeve, a new wear sleeve and crankshaft seal must be installed as a unit. If the old seal is put back on the wear sleeve, the seal will be damaged.
1. Remove the bolts from adapter (1). Install two 5/16 in - 18 NC forcing screws in the adapter to remove it from the flywheel housing. On engines that do not have adapter (1), use tooling (C) to remove the lip seal from the flywheel housing bore. 2. Remove O-ring seal (3) and crankshaft seal (2) from adapter (1). 3. Install tool (B) in the flywheel housing adapter bore as shown.4. Install tool (A) between tool (B) and the wear sleeve (4). Turn tool (A) until the edge of the tool makes a flat place (crease) in the wear sleeve. Do this at several places around the wear sleeve until the wear sleeve can be removed from the end of the crankshaft by hand.