What is the Purpose of Each of These Items?

[SamB]

Hey Y'all,

I recently purchased a used Husky 128LD trimmer. It seems to be in good overall mechanical condition but leaks fuel and sometimes doesn't run correctly. I went ahead and purchased a fairly comprehensive kit including a carb (below). I think the main issue is with the fuel lines, so I plan to start with renewing those and maybe the plug and do the rest if and when necessary. I'm wondering what these items are that came with the kit: The wire with the ring and the spring (circled in the screenshot and an actual pic of the parts included). Guessing the wire with the ring may be for pulling fuel lines, but that's just a guess. ...and the spring? No clue. Can anyone enlighten me, please?

Thanks!
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It's been my experience, the best way for me to get the line into the tank, is to cut a long taper in the line end and start it into the tank hole, then reach in through the cap hole with a pair of needle nosed-pliers(I use forceps) and pull the line in the correct amount, then cut the taper off and put the filter on the now square cut end. I think that spring is a reinforcement/clamp that holds the line on the filter nipple. Put it on the fuel line before putting the filter on.