. MAINTENANCE MAINTENANCE PROCEDURE 4 - 32 9. A fte r replacing a b ucket tooth, alway s che ck the 1) After the lock pin has been knocked in completely, check that i t is secure d by th e point and su rface 2) Lightly hit lock pin (2) in the reverse dir ection from w hich it was hit in 3) Lightly hit the t ip of the poin t from abov e and below, and hit its sides from right a 4) Confirm that ru bber pin lock (3) a nd lo ck pin (2) are set a s shown in the f The life of the teeth c an be lengthened and t he frequency of it replacement can be re duced by turning it upsid e dow n so tha t it wi wear evenly.
rubber pin lock and locking pin at the same time a Replace the cking replacin gthe teeth. Th is makes i t possible to pr event t he teet h from fallin g out.