Hitachi 120-3 class Operator's Manual page 261

3. Clean shank (6) surface.
4. Install rubber pin lock (4) into shank (6) hole as shown.
RIGHT
6 4
5. Position new tooth (1) over shank (6).
RIGHT
6 1
6. Drive locking pin (5) fully into the hole as shown.
RIGHT
NOTE: Check the bucket teeth periodically to ensure that wear
does not exceed the designed service limit.
MAINTENANCE
WRONG
WRONG
1 5
WRONG
WRONG
WRONG
7-69
M104-07-060
M104-07-061
M104-07-062