Happijac lubrication
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Forum Discussion
KKELLER14K,
Thanks for the great instructions & pics. I had one jack dragging. If I tried lifting with all four jacks at the same time, the LED on the tethered remote would turn red. I ended up loading the camper by alternating between front and back jacks.
My jacks are old - the camper is a 2002, and it does not have the oiler holes inside the handcrank sockets. I shot some WD-40 around the socket and tried the jack again and it was considerably more free running.
Even though I store my camper under a carport cover, this particular jacks gets a lot of sun & rain on it. I followed the first part of your instructions and popped the socket out with the jack still attached to the camper. The socket was rusted and pitted - not shiny like your picture. Definitely because I could never oil it because no hole.
I chucked the socket shaft into my drill press and held some plumber's emory cloth around it while it spun. This got the rust and pitting off. Then I polished it on my buffer wheel with white rouge. Then, back to the drill press and drilled a 1/8" oiler hole into the socket. Smeared some new white lithium grease on the socket and gears and put it back together. Works like new again.
Then I went and did the same to the other rear jack. After having done the first one, it only took a few minutes to get the socket out. This one was shiny, so I just drilled the oiler into it, lubed it and stuck it back in.
One tip though. You don't have to remove the white plastic ring to get the socket out. In fact,it is better to leave it on. Mine is so old it cracked when I pried it off. Fortunately it stayed together and I was able to snap it back on.
I see you can buy some plastic caps that cover the socket. Do they just plug into the crank socket? Will they keep water from getting in between the socket and journal?
-jj
Thanks for the great instructions & pics. I had one jack dragging. If I tried lifting with all four jacks at the same time, the LED on the tethered remote would turn red. I ended up loading the camper by alternating between front and back jacks.
My jacks are old - the camper is a 2002, and it does not have the oiler holes inside the handcrank sockets. I shot some WD-40 around the socket and tried the jack again and it was considerably more free running.
Even though I store my camper under a carport cover, this particular jacks gets a lot of sun & rain on it. I followed the first part of your instructions and popped the socket out with the jack still attached to the camper. The socket was rusted and pitted - not shiny like your picture. Definitely because I could never oil it because no hole.
I chucked the socket shaft into my drill press and held some plumber's emory cloth around it while it spun. This got the rust and pitting off. Then I polished it on my buffer wheel with white rouge. Then, back to the drill press and drilled a 1/8" oiler hole into the socket. Smeared some new white lithium grease on the socket and gears and put it back together. Works like new again.
Then I went and did the same to the other rear jack. After having done the first one, it only took a few minutes to get the socket out. This one was shiny, so I just drilled the oiler into it, lubed it and stuck it back in.
One tip though. You don't have to remove the white plastic ring to get the socket out. In fact,it is better to leave it on. Mine is so old it cracked when I pried it off. Fortunately it stayed together and I was able to snap it back on.
I see you can buy some plastic caps that cover the socket. Do they just plug into the crank socket? Will they keep water from getting in between the socket and journal?
-jj
