MAINTENANCE MAINTENANCE PROCEDURE 8. Insert lock pin (2) in the hole of the teeth and hit it until its top is the same level as the surface of teeth (1). 9. After replacing a bucket tooth, always check the following. 1) After the lock pin has been knocked in completely, check that it is secured by the point and surface. 2) Lightly hit lock pin (2) in the reverse direction from which it was hit in. 3) Lightly hit the tip of the point from above and below, and hit its sides from right and left. 4) Confirm that rubber pin lock (3) and lock pin (2) are set as shown in the figure.
The life of the teeth can be lengthened and the frequency of its replacement can be reduced by turning it upside down so that it will wear evenly. Replace the rubber pin lock and locking pin at the same time as replacing the teeth. This makes it possible to pre- vent the teeth from falling out. 4-37