Komatsu — 4.9.1.i REPLACE RUBBER SHOES (Machine equipped with rubber shoes)

MAINTENANCE PROCEDURE 2. Loosen plug (1) gradually to release the grease. 3. When loosening plug (1), turn it a maximum of one turn. 4. Fit the steel pipes inside the rubber shoe, rotate the sprocket in reverse, so that the steel pipes make the rub- ber shoe come up from the idler, then to the side to re- move. RUBBER SHOES INSTALLATION 1. Raise the chassis with the boom and arm. When doing this, operate the levers slowly. 2. Mesh the rubber shoe with the sprocket and fit it over the idler. 3. Rotate the sprocket in reverse, then push in the rubber shoe and stop the rotation. 4.

Fit a steel pipe in the rubber shoe, then rotate the sprock- et again and fit the rubber shoe securely on the idler. 190