Loaded a Vintage grease gun

[coxey1979]

I was given a vintage Interlube Plymouth Lever action grease gun by my father in law. for a couple of small jobs a managed to get some grease from a tin into it but I can’t work out how to fill it properly. Every lever action gun I can find on the net has some form of plunger in the end cap, mine is a plain one and inside the chamber is a plastic (bakerlite?) cup thing (don’t know what it is called) with a hole which has a chain attached and ring at the end to pull it out. I pushed the grease in and pushed the cup down and presumed the vacuum from the lever would draw the cup and keep grease moving to the pipe. I ended up putting a piece of pipe down the chamber and pushing it as I pumped.
Any ideas how I can fill it properly?

[trusty220]

If you could post some pictures it may give some of our members a better idea of how to tackle it.

[wristpin]

Images will help, but when you pull the chain, are you pulling against spring pressure ?
Sounds to be a similar set up to my Wanners. Cold and dark out there now but I’ll take an image or two tomorrow.

[ralph13s]

I’ve been facing almost the same issue recently…

[coxey1979]

Sorry not been able to get into the garage for a few days.
https://drive.google.com/file/d/1nu6K8rBkcNTVUKV1HJkWfL5zX_huHMTJ/view?usp=drivesdk
https://drive.google.com/file/d/1o1AeYumRAyON4EGqCe-IqUmFDYYIeUBy/view?usp=drivesdk
https://drive.google.com/file/d/1nrJJS66VlP2hIMLWJyem5d7iv8Wyy3Av/view?usp=drivesdk
https://drive.google.com/file/d/1o0_VMub4-XfN1T73IPgPTIQ6ngimQWs6/view?usp=drivesdk
Must find a way to make photos compress on my phone as struggling with getting my laptop to receive files from my phone.
Take care and stay safe, Mike
Photos downloaded and added to post by admin to save need to follow links.

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[charlie]

Could there be a spring that would go between the cup with chain and end cap missing?

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