. MAINTENANCE MAINTENANCE PROCEDURE WARNING The lock pin is too short. 4 - 30 REPLACE BUCKET TEETH (VERTICAL PIN TYPE) Replace the bucket teeth bef ore the adapter starts to wear. It is dangerous if the work equ ipment moves by mistake when the t eeth are being replaced. Set the work equipment in a s table condition, then stop the engine and set the lock lever securely to t The pins can be knocked out o nly with strong force, so there is a hazard that the pin may fly out. Chec area. There is a hazard that fragmen ts will fly during the replacement work , so always wear protective equip 1.
Place a block under the bucket bottom to make it possibl e to knock the pin of tooth (1) o ut with a hammer, and set so that the bottom of the bucket is h orizontal. 2. Use a hammer and drift t o knock out lock pin (2). (If the dri ft is set against rubber pin loc k (3) when it is hit, the rubber pin l ock 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 pi n locks with the following defects are used, the teeth may com new ones. e off the bucket. Replace them with with