You can do like I did when my valve was getting stiff to pull I cut a hole with a Xacto knife in the underbelly so I could see the valve and to get enough room to get my hand up there and spray lube on the valve as my wife pulled and pushed the handle in and out and my cable worked fine ever since, at least by cutting a access hole you can see what the problem is , ever now and again I lube it up and patch the access hole back up with Gorilla duct tape
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