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Old 10-10-2015, 05:26 AM   #1
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Battery mounts growing hair

we have a 2015 fleetwood excurtion and 1 of the batterys are mounted with metal suports on the sides. both suports are growing hair my ? is after cleaning them is there something i can spray on them to keep them clean ? the other batterys have straps
safe travels bob,linda & missy
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Old 10-10-2015, 05:43 AM   #2
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Fluid Film (spray can). Make the posts and cable ends clean and tight first.
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Old 10-10-2015, 05:50 AM   #3
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Any NAPA store will have several products
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Old 10-10-2015, 11:54 AM   #4
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Napa and other auto parts stores, maybe even Walmart, have spray on battery terminal cleaners that dissolve the corrosion and a protective spray to use after cleaning. I use them on the fittings and any place near the battery that starts getting corrosion. Seems to work for me.
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Old 10-10-2015, 04:45 PM   #5
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on the cheap side, you can do like we used to do in the Army. Light coat of grease on the terminals and clamps.
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Old 10-10-2015, 06:02 PM   #6
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You can also use baking soda (or a cola) to clean the fuzz of the parts.
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Old 10-10-2015, 06:18 PM   #7
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Any of the suggested coatings are designed to keep the oxygen from adding to the hydrogen gas and tiny bubbles of sulfuric acid that leaches out. It's called electrolytic corrosion and is very tough to keep under control. Some situations are worse than others. We have 2 years on our coach and I have yet to see any corrosion. Some of that is dependent on what the charging voltage is coming from your converter/charger. I have been reading some guys who were/are having issues with some overcharging and were getting charging voltages above what is normally recommended.

If under normal stationary coach charging your CV should be 13.6 but not to much higher. If you are running 13.9 and into the 14.5 or higher range that might be considered a bit high which will result in more corrosion.

Here's a neat little test to perform on the top of your battery. Using a DVOM (Digital Volt Ohm Meter) set it on DC at a range of around 20 volts. Now put the negative lead on the negative terminal and place the positive lead anywhere on the plastic top of the battery. Check to determine the amount of voltage being discharged across the battery surface. Move it all around. Now take the neg lead off the post and just put both leads on the plastic battery top. You'd be surprised how dirt, moisture can cause battery discharge across the battery surfaces. Now clean the battery outside, wait for it to dry and re-do the same test. If when you do the test and your battery is dry just take a water bottle and spray a light spray 12" above the battery and after it settles do the same tests. It's amazing.

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Old 10-10-2015, 06:37 PM   #8
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Quote:
Originally Posted by new rver View Post
we have a 2015 fleetwood excurtion and 1 of the batterys are mounted with metal suports on the sides. both suports are growing hair my ? is after cleaning them is there something i can spray on them to keep them clean ? the other batterys have straps
safe travels bob,linda & missy
First, take a digital voltmeter and check the battery voltage while plugged in to shore power. You should see a Maximum of 13.8 VDC. If it's higher, you need to check your converter or look for a faulty battery causing the high charge rate.
If the charge rate is at or below 13.8, remove and clean all terminals using a wire brush. Reassemble using a gob of Dielectric Grease on the post and cables.

Next, check Electrolyte levels. When the cells require top up, add 4 Oz. of Mineral Oil to each cell of your 6 volt batteries. Then top off to correct level with Distilled Water.

From here on you should only have to add water every 4-5 months and you will find your whole battery box area will stay corrosion free.
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Old 10-11-2015, 10:29 AM   #9
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Been long time since I have measured the surface of the battery...too old...

If yiu have fuzz on area parts then the batteries are gassing.

You have 2 tasks.

Check charging systemS and repair.

They are gassing due to excess current flow either in or out.

Usually it is the in current or charging that is excessive.

Should be less than 13.5 in float conditions and maybe about 14 or so with engine at high idle or cruise.

Search battery charging for more information.

Remove batteries and all hardware from battery bay and clean all to bare metal or good paint.

Primer with one of many rust compatible primers.

Top coat with a few coats to give good sealing then reassemble.

Paint over any scratches then install batteries.

Grease all connections.

Use a reaming type of post cleaner as it makes for matching tapers and fresh metal.

Grease these as the grease will be squeezed out and remain only in places where no contact so it keeps it good.
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Old 03-12-2016, 08:36 AM   #10
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thanks for reply its not the connection its the 2 metal rods that hold it down
safe travels bob,linda and missy
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Old 03-12-2016, 10:02 AM   #11
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I fought this for 5 years tried everything in the book to resolve, lost the battery hold downs from acid. The way it was resolved was a small amount of mineral oil in each cell to prevent the gasses from escaping, no problems the last 3 years.
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Old 03-12-2016, 10:16 AM   #12
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The metal rods have been contaminated but that is fine for now.

First action is to fix the cause and usually that is overcharge.

But wait...batteries gas whenever they are "busy" so high discharge also can cause some.

After you have corrected the gassing now correct the damage.

Look at air flow in the area too as minimal air flow allows things to linger.

The contaminated parts often are plated or treated and this gets messed up with acid then it gets worse faster.

So first clean as best you can and if it can be removed then wire brush or steel wool to get it shiny.

PAINT.

Many outdoor oil based paints are up and chemical resistant so acid exposure does not effect them unless soaked in it.

So a few coats of paint works well.

Scrub the paint on or thin the first coat to water viscosity so it gets into nooks and tiny places.

Second coat straight from can.

The paint will seal everything up and block off air to surface.

Do this for all metal in area and for battery box base frame many coats with batteries out.

Have not tries rattle can bed liner yet but option.

Now every time you wash the unit open the battery bay and just rinse the area with plenty of water to flush out anything and inspect while there.
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Old 03-19-2016, 08:07 AM   #13
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thanks for replys
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