P. Adjust the arm locks
1. After installing the arms (See Fig.34).
2. lowing the carriages down to the lowest position, then use the 17
#
ratchet spanner to
loose the nut (See Fig. 35).
3. Adjust the arm lock as arrow direction (See Fig. 36).
4. Adjust the moon gear and arm lock to make it to be meshed, then tighten bolts of
arm lock (See Fig. 37).