A 1402 e-mails
Collected by Ed Thelen
Contents
Pictures of and comments about rust from Flora & Garner Punch Feed mechanism from Robert Garner w/ picture
Robert Garner to Ed Thelen - August 23, 2004
Pictures of and comments about rust
Punch Feed mechanism
From Robert Garner Hi Grant,From Grant SaviersYour mechanical assessment/restoration plan for the 1402 punch feed unit sounds good to me. Any comments/thoughts from 1402 folks (Bill, Don, Milt, etc.)? Thx for the invitation to stop by your shop to help with this mechanical assessment and work. Folks are looking forward to checking out your machine shop!
- RobertRobert & I agreed that evaluating the bearings in one of the 1402 assemblies made sense, so I picked up the (what I will call) "card punch feed picker shaft and shoes" which is one shaft with two arms with captive bearings and two pick shoes with what appear to be carbide inserts offset by the (guess) thickness of one card, and the support bearings for each end of the shaft. The shoes are pretty rusty on top, but the functional surfaces look ok. The shaft is mildly rusty, but this has no impact on functionality. My plan is as follows:
- Photo assembly and details of bearings
- Measure bearings and order replacements if they are stock sizes
- Remove bearings and attempt to remove shields (metal) without damage (an iffy proposition)
- Examine grease, photo if possible
- Clean bearings and attempt a regrease and reassemble
- Reassemble with refurb or new bearings
- Measure carbide card pick pads, step size across the width (may be tough to fixture, but I'll give it a try)
- lightly glass bead blast non functional surfaces of rusty parts, I won't remove the cam follower arms as I don't want to mess with the timing angles
- measure and replace shaft end bearings (captive in flanged carrier with three mounting holes) note: I wasn't present for the disassembly so don't know function of one part - there are polymer sleeves in these end assemblies - does anybody know their function as they look not so good.??
Let me know if my understanding of what this is/how it works needs help. Comments and advice welcome, visitors also as I will work on this next week in my shop in east San Jose foothills. I'll set a time if there is interest.