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ChrisnKaty's avatar
ChrisnKaty
Explorer
Jul 16, 2013

Happijac failed while driving down the interstate!

We were just driving down the hwy and one our Happijac jacks fell out and was scraping the ground! We pulled over & tied it up, but are very concerned. They are less than two years old. We bought our ...
Truck Campers
wnjj's avatar
wnjj
Explorer II
Aug 05, 2013
abslayer wrote:
RichieC wrote:
abslayer wrote:

New camper so that is not the case

On a "perfect" jack with everything in good working order, the jack leg may extend by itself without any assistance.

You have something wrong with that jack. It could be oxidation on the worm screw which will only get worse.
If new enough, you might ask for an exchange jack.



That is unlikely as all 4 jacks do not extend with out remote.



Are you sure they are model 4600 and not 4500?

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