51
Fit the vent ring with the offset upwards. Fit the large ball bearing and knock in the
bearing with a plastic hammer until the stop.
Insert the fins and fit the cylinder. The notch on the cylinder must be in direction of the
large bearing.
Insert the cylinder and the rotor into the air motor housing simultaneously. The
notch must be aligned to the threaded bore on the air motor housing (right side of the
bevel seen from the front).