Hi,
Rider's does not list that specific model. Have you checked the other Halso chassis, such as the 52 and 54? Those can be checked right here on this site at the url:
http://www.NostalgiaAir.org/Riders/HRC.htm
: Hi I need a schematic for a Halson CR53. One is picture on page 112 of Bunis Vol 4. Thanks, DWG