Happijac Help
I have motorized Happijac 4150 jacks on my camper. For the most part they have been trouble free. This spring when I used them for the first time the two front jacks would NOT cooperate. The lacks ...
Forum Discussion
Be careful, one of my 4500 failed. The nut the worm screw runs through rusted out.
When you pulled them apart was there rust on the worm screw? If so the main nut is rusting and could be binding.
When you pulled them apart was there rust on the worm screw? If so the main nut is rusting and could be binding.
