. MAINTENANCE MAINTENANCE PROCEDURE MAINTENANCE MAINTENANCE PROCEDURE come out. 4 - 37 The rubber of the rub ber pin lock is torn, and th e steel b alls m ay The steel balls are bu ried when they are pressed by h 4. Clean the surface o f adapter (4) and remove the soil with a knife. 5. Use your hand or a h ammer to push rubber p in lock (3 ) into the hole of the adapter. When doing this, be careful that the rubber pi n lock do es no t fly out from the adapte 6. Clean the inside of t eeth (1), then install it to adapter (4). If there i s mud a ffixed to it or if there are protr usions the teeth will not ent er the adapter properly, and ther e will not be proper c ontact at the mating portion.
7. Fit teeth (1) to adapt er (4), and confirm that w hen the pointe r is pressed strongly, th e rear face of the hole for t he p in of the teeth is at the same level as the rear face of t he hole f or the pin of the adapter. If the rear face of th e hole for the pin of teet h (1) is p rotruding to the front from the rear face of the pin hole f or adapt er (4), do not try to knock the There is something preventing teeth (1) from entering adapter (4) fully, so remove adapter (4) fully, kn