The four-page February 1962 Jeep Service and Parts News wasn’t all that exciting, lol, but is timely considering it is now February 2024 (yes, 62 years have passed!). Page three mentions a couple service bulletins that can be found at the bottom of this post. Page four mentions the Pedal Slack Adjuster Kit, which is also discussed at the CJ-3B page: https://cj3a.info/tech/pedalslack.html
Service Bulletin No. 503:
Fleet Service No. FL-119 (Same info would be on Service Bulletin No. 504, but I don’t have that one):