MAINTENANCE MAINTENANCE PROCEDURE Bucket Teeth - Check/Replace 0. It is dangerous if the work equipment moves by mis- take when the teeth are being replaced. Set the work equipment in a stable condition, then stop the engine and set the safety lock lever securely to the LOCK position. If the pin is knocked out with strong force, there is a hazard that the pin may fly out. Check that there is no one in the surrounding area. There is a hazard that pieces will fly during the replacement operation, so always wear safety glasses, gloves, and other protective equipment. Replace the bucket teeth before the adapter starts to wear. 1.
To make it possible to knock out the pin of tooth (1), set the bottom surface of the bucket on a block, check that the work equipment is in a stable condition, then set the safety lock lever to the LOCK position. Set so that the bottom face of the bucket is horizontal. 2. Use a hammer and drift to knock out lock pin (2). (If the drift is set against rubber pin lock (3) when it is hit, the rubber pin lock may break. Set it against the back of the pin.) 3. After removing lock pin (2) and rubber pin lock (3), check them. If lock pins and rubber pin locks with the following defects are used, the teeth may come off the bucket. Replace them with new ones. The lock pin is too short. 4-35 WARNING