MAINTENANCE MAINTENANCE PROCEDURE q Rubber (6) of the rubber pin lock is cut and the steel ball is about to come out. q Steel ball (7) sinks in when it is pushed by hand. 4. Clean the surface of adapter (4) and remove the soil with a knife. 5. Hit rubber pin lock (3) by hand or with a metal hammer and push it into the hole in adapter (4). When doing this, be careful not to let rubber pin lock (3) fly out from the surface of adapter (4). 6. Clean the inside surface of tooth (1), then install to adapter (4). If there is any mud stuck to it or any protrusion, tooth (1) will not fit properly in adapter (4) and the fitting contact will be poor. 7.
Fit teeth (1) to adapter (4), and confirm that when the pointer is pressed strongly, the rear face of the hole for the pin of the teeth is at the same level as the rear face of the hole for the pin of the adapter. If the rear face of the pin hole of tooth (1) protrudes in front of the rear face of the pin hole of adapter (4), do not knock the pin in. If this happens, there is something (C) preventing the tooth (1) from fitting completely in adapter (4), so locate the problem and remove the obstruction. When tooth (1) fits completely in adapter (4), knock in lock pin (2). 4-33 O X