3204 VEHICULAR ENGINE FOR D3 TRACTOR, 931 TRACK-TYPE LOADER Caterpillar

start by:

a) remove crankshaft front pulley

1. Remove front seal (1) with tooling (A).

Install Crankshaft Front Seal

1. Put clean engine oil on the lip of the seal.

2. Install the seal over the short end of tool (A). The lip of the seal must be toward the inside of the engine when installed. Put 7F2770 Cement on the outer metal surface of the front seal.

3. Install tool (A) and seal over the crankshaft. Use the crankshaft pulley bolt and washer to push the seal in position.

4. If the front pulley has been worn by the seal, use spacer (B) to push the seal in more to get a new wear area.

5. Remove seal installer.

end by:

a) install crankshaft front pulley