. MAINTENANCE SERVICE PROCEDURE machine. REMARK (6). TURN, REPLACE BOLT-ON CUTTING EDGE WARNING lever securely to 4 - 31 Do as follows to blow out t he mud or dirt that has fallen to the bottom. 1. Loosen wing bolts (4), use hook (5) to slide cleaning c overs (6), and open the left and 2. Steam or water can be us ed instead of compressed air. 3. After blowing out the d It is dangerous if the work eq uipment moves by mistake during the turning or replacement operation Set the work equipment in a stable condition, stop the engine work equipment lock l position. the LOCK Turn or replace the cutting edge before the wear reache s the edge of the 1. 2. 3. 4. 5. 6. 1.
Raise the bucket to a s uitable height, then put blocks (A) under the bucket to prevent t he bucket from coming down. Raise the bucket so t horizontal. 2. Remove nuts and bolt s (1), then remove cutting edg 3. Clean the mounting su rface of cutting edge (2). 4. Turn cutting edge (2) a nd install it to the bucket. Wh en turning the edge, install it to th right side, right edge to left side). If both sides of the cut ting edge are worn, replace w ith a new part. If the wear extends mounting surface befo re installing the cutting edge. 5. Tighten nuts and bolts (1) uniformly so that there is no gap between t he bucket and c Tightening torque for mounting bolt:
745 ± 108 Nm ( 76 ± 11 kgm, 549.7 6. Tighten the mounting bolts again after operating for several hours