e.  Install bell ringer parts and adjust as outlined in maintenance Section 8.

f . Install brake parts and adjust as before described.

g . On final test the wigwag must start in either direction and operate roll stroke on a maximum or 5,5 volts.  Test as described in “C”.

Brake pick up measured on a gradual increase of voltage should not exceed 3.0 volts.

h.  Complete assembly, top casting etc. and securely tie armature to prevent movement in shipment.
 
 
 
 

February 12, 1949

(Southern Pacific signal maintenance shops)