All I do is to keep the ram (shaft) clean. About once a month a spray a little WD-40 on the ram and wipe off with a microfiber towel.
If you use your tongue jack off the battery (no shore power), it draws alot of current, which may explain why its slowing down. I usually plug into shore power or if boondocking leave the 7 pin power coupler plugged into the tow vehicle with engine running as I unhitch.
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2015 Jayco Jayflight 27RLS
2012 Ford F-150
2001 Fleetwood Terry 28x
1996 Viking Pop-up
1979 Coleman 8 man cabin tent
1967 G.I Joe (hasbro) canvas pup tent
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