Forum Discussion

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
bigfootford's avatar
bigfootford
Nomad II
Aug 05, 2013
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.


The friction of the gears and motor drag will not allow the non release type jacks from lowering by themselves...

Jim

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