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Old 04-02-2006, 09:35 PM   #1
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Question Grinding noise from power jack

We have a H&H power jack... don't know if its original as we're the second owners.

The jack occasionally, and briefly, makes really bad grinding noises, but otherwise seems OK. Anybody have experience with this?

We 're about to head out on a couple of trips - some far from home - and don't want to be stuck with a broken jack. Our Blue Ox WD hitch WON'T uncouple without the use of the jack, and I'm worried that if the gears strip, the emergency crank won't work either.

Appreciate any feedback from people who may have experienced this.
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Old 04-03-2006, 06:33 AM   #2
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You should have a separate manual jack wrench that you can operate the lift without power. The crank part should be located under the red cap on the top of the lift. I just used my wrench set with an extension and it worked fine, (although I found my jack wrench after the fact) It is very easy to use as I was just there. Mine was acting a little finicky and I figured it may have been raised up to much and I was getting that stripped gear sound. I didn't want to do any further damaged so I grabbed my manual lever and lowered it very easily. I'm pretty sure that was the prob because it worked fine after it was lowered. Hope this helps!
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Old 04-03-2006, 10:11 AM   #3
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Quote:
Originally Posted by kjmorle
We have a H&H power jack... the jack occasionally, and briefly, makes really bad grinding noises, but otherwise seems OK. Anybody have experience with this? - and don't want to be stuck with a broken jack.
By all means, practice raising and lowering your jack manually prior to your next trip.

Some jacks require a set of hex wrenches to remove the head to access the manual drive....make sure you have all of the tools required to raise and lower the jack before you get out in the boonies.
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Old 04-03-2006, 07:48 PM   #4
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Grinding noise from power jack

Try removing the cover and the putting lubrication on the exposed parts that mate with the cover. I had a similar situation and the lubrication made a big difference.
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Old 04-03-2006, 08:31 PM   #5
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A Suggestion

Quote:
Originally Posted by 87MH
By all means, practice raising and lowering your jack manually prior to your next trip.

Some jacks require a set of hex wrenches to remove the head to access the manual drive....make sure you have all of the tools required to raise and lower the jack before you get out in the boonies.
It will help a lot in the manual mode if you disconnect the battery power that feeds the jack motor. It acts like a brake when not in use and locks the motor. I have to do this on a regular basis if a jack or slide-out motor is bad and it has to be retracted manually. The cranking is a lot easier if you de-power the motor first.
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