Fig. 28.
The Spaceband Box and Pawls.
To insure good work the spaceband box should be kept thoroughly clean.
To clean box, it will be necessary to take it off the machine and take it apart. To do this take out screw K (Fig. 29) and screws L, which hold the spaceband chute; drive out pin J and take off the pawl lever I (Fig. 29); then take out screws A and C and take off side.
Figure 30 shows inside of box. The screw 1 in pawl lever should be adjusted so that when pawl lever is down the pawls N and O will be low enough to clear the top rails C and J (Fig. 30) about 1-32 inch, with the screw resting on spaceband lever. If too low it will give a double motion to the pawl lever I (Fig. 29) and sometimes throw out two spacebands at once and clog the spaceband chute.
The spaceband center guide A (Fig. 30) will allow two bands to pass if it is not adjusted properly.
At the lower end of the guide is a half pin or ear on each side, which is to catch the second spaceband if pawl lever lifts two. This guide is adjustable and should be set so as to allow only one band to pass freely.
The pawls N and O (Fig. 30) have to be renewed when badly worn. Before putting in new pawls rub them down on an oil stone, so that when in place in the box, and moved up and down slowly by hand, they will stand inside the hooks of the rails C and J about the width of a spaceband ear, and both be the same height so as to lift the band evenly.