MAINTENANCE I. MISCELLANEOUS 2 1 1 Check Bucket Teeth --- daily Check the bucket teeth for wear and looseness Check for wearing and looseness of the Bucket tooth points. 1. Replacement intervals A Replace tooth point (1) wear beyond the service limit, re- place them. Dimension A in mm (in) M1J1-07-065 1 NOTE: When tooth point (1) is used in excess of the service limit, a hole will be made on the tooth point, which makes the nose exposed and worn out, and will eventually break or let the tooth point fall off. 2. Replacement 2 WARNING: Guard against injury from flying pieces of metal. Wear goggles or safety glasses.
M1J1-07-066 (1) Removing the tooth point (a) Preparations for removing tooth point. Hit the left and right top ends and the left and right lugs of tooth point (1) alternately with ham- mer to knock off pebbles, soil, etc., stuck in the gap between tooth point (1) and adapter (2). 2 1 (b) Inserting lock removal tool. Remove pebbles, dirt, etc., completely from the gap between lock pin (3) and adapter (2). Place pin-removing jig on the top end of lock pin (3) and hit it with hammer to remove lock pin (3).
When driving out the pin, first hit with a shorter jig until top end of lock pin (3) comes to the up- per end position of the lug of tooth point (1), and then use the longer jig to remove lock pin (3). 3 M1J1-07-067 3 M1J1-07-068 7-77 New Limit of Use Rock Bucket 254 (10.0“) 120 (4.7“) Rock Bucket (Lime Stone) 225 (8.9“) 120 (4.7“)