How do you Recharge Metalcloak 6Pak shocks?
I have never recharged my 6Pak shocks. I've had them on for over a year and a half. The owner's guide states to recharge them every 6 months, but is incredibly vague on how to actually do it. It mentions to purchase a kit from a company called Powertank. The only kit I see is $600. The owner's guide also does not give any step-by-step instructions on how to do it.
Any help is appreciated. Thanks!
Any help is appreciated. Thanks!
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You can buy the tools from king or bilstien and find a tank and gauges at your local welding shop. Some places make you lease the tank from them, then you can just swap them out with a full tank when you need it. If you are in an area that allows you to own your own tank you can find them on craigslist sometimes. I own my own tanks here in NV and they just swap them out. Just keep an eye on test dates as you will have to have them tested every so many years.
It is very simple to once you have the equipment. Simply hook up the tool to the shock turn on the gas and use the regulator on the tank to set the desired pressure. Open the valve on the shock side of the tool and fill it. Close the valve on the shock side. Close the valve on the tank and remove the tool. Done.
It is very simple to once you have the equipment. Simply hook up the tool to the shock turn on the gas and use the regulator on the tank to set the desired pressure. Open the valve on the shock side of the tool and fill it. Close the valve on the shock side. Close the valve on the tank and remove the tool. Done.
When you charge the 6paks, they have to be fully extended, so you may need to drop one end to ensure that is the case. As Dirtman noted, you can make your own kit pretty easily. You can buy a full tank direct from Cyberweld. Amazon has a great deal on a regulator. ORI makes a really nice single fill gauge. All in, you are a little under $400.
Not charging the shocks regularly is a big no-no. It was cause internal damage. We recommend checking them every three months. Plus, they will work a lot better when kept at the ideal pressure.
Not charging the shocks regularly is a big no-no. It was cause internal damage. We recommend checking them every three months. Plus, they will work a lot better when kept at the ideal pressure.
Great question OP.
First, to be clear, the quick reference guide is just a guideline of expectations. As it also shows that you only need to add nitrogen if your shock body is sitting within one inch of either the top or the bottom. This makes it nice - the 6Paks are the only Nitrogen reservoir shock that show you when they need more Nitrogen.
It could be 6 months, it could be a couple years. Just depends on usage, climate, etc.
It is true that you can easily build your own nitrogen fill kit. The KEY to that, however, is to make sure you have a NO LOSS VALVE.
The amount of Nitrogen that is actually in the shocks is so small, that using a typical fill valve would actually cause Nitrogen loss.
For instance, if you fill it up to the recommended 150psi with a no loss valve, when you remove it properly, the shock will still be at 150 psi. However if you use a typical fill valve, after filling to 150 psi, the remove of the valve causes enough of a leak at that quick moment to reduce it down to 80psi.
The time to fill is literally counted in milliseconds. That is why we also do not recommend using a tire pressure gauge to check the pressure. That simple act will also reduce the pressure down to 80psi.
As for the method of filling, we will put together some documentation and/or a video to show the easiest way to DIY.
Thank you again for the great question!
First, to be clear, the quick reference guide is just a guideline of expectations. As it also shows that you only need to add nitrogen if your shock body is sitting within one inch of either the top or the bottom. This makes it nice - the 6Paks are the only Nitrogen reservoir shock that show you when they need more Nitrogen.
It could be 6 months, it could be a couple years. Just depends on usage, climate, etc.
It is true that you can easily build your own nitrogen fill kit. The KEY to that, however, is to make sure you have a NO LOSS VALVE.
The amount of Nitrogen that is actually in the shocks is so small, that using a typical fill valve would actually cause Nitrogen loss.
For instance, if you fill it up to the recommended 150psi with a no loss valve, when you remove it properly, the shock will still be at 150 psi. However if you use a typical fill valve, after filling to 150 psi, the remove of the valve causes enough of a leak at that quick moment to reduce it down to 80psi.
The time to fill is literally counted in milliseconds. That is why we also do not recommend using a tire pressure gauge to check the pressure. That simple act will also reduce the pressure down to 80psi.
As for the method of filling, we will put together some documentation and/or a video to show the easiest way to DIY.
Thank you again for the great question!





