I have uploaded the Champion manual to Google drive you may access it from the following link. If you have any Champion questions I would be happy to help in anyway I can.
https://drive.google.com/file/d/1eWjXd4EakVpCkA7ZTEugrUgXwCwTeJIb/view?usp=sharing
Needles and parts are partially available from:
Landis Machine Co, Eli Slabach, 115 E Cr 500 N Arthur IL 61911, 217-543-3464
Campbell-Randall, Dan Naegle, 405 FM 3083 Rd Conroe, TX 77301, 800-327-9420
https://drive.google.com/file/d/1aadlFLbTz9ViUXpB69c24CO9wVfmrswu/view?usp=sharing
Frankford Leather Company, 1820 Byberry Rd, Bensalem, PA 19020, 215-244-0400
https://drive.google.com/file/d/1aadlFLbTz9ViUXpB69c24CO9wVfmrswu/view?usp=sharing