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Hi Campers, One of our Happijac chains is looser than the other and has started catching on a bolt when it goes up or down. Does anyone know how to take the slack out of it. I have emailed that question to them since their listed phone does not work. Also, we wanted to adjust the top bunk to...

Is there a way to adjust or change out the assist springs on the ramp? They do not do much and it is quite a chore to open/close it. Any other solutions you have found? Thanks!

I have three issues with the level up. 1) at times using the front extend/retract switch connected to the truck and both middle and rear legs are fully retracted the front stops retracting. depress the button 5 or 6 times in either direction it then starts working again. 2) when getting ready to...