Here's a video showing my process for topping off the nitrogen on my King shocks. It's easy to forget that these higher end shocks require maintenance!
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https://powertank.com/collections/shock-inflators/products/sig-5700
Shock Inflator with Gauge from Power Tank. Get a professional shock inflator tool at an affordable price. Our Shock Inflator has quickly become the industry favorite shock service tool. We designed it with features that others do not have like true USA made No Air Loss (NAL) chucks that do not leak because even the smallest leak can cause you to pull out your hair trying to get the exact shock pressure.
We attach this to a very supple high pressure air hose so getting the NAL chuck on that hidden schrader valve is easier. The hose is attached to an ergonomically shaped machined aluminum grip with our own micro adjust air valve. A durable and accurate gauge is mounted atop the grip.
Steve recommends you get the Power Wrench (CO2-Wren) to make installing and removing the NAL chuck easier. Just connect your N2 to the bottom of the grip, attach the NAL chuck on your shock, open the red micro valve adding just the amount of pressure, remove the NAL chuck and move on. Easy.
If you have IFP (internal floating piston) shocks that fill with a needle we have them (SIG-5000) and they work well with all of our shock inflators.
Details:
300 psi Digital Gauge or 500 psi Liquid Analog
No Air Loss chuck
3 foot HP line
Includes EVA protective case
Thursday, August 16, 2018
Using Power Tank Nitrogen Shock Inflator and Regulator to Fill my King Piggyback Shocks
[youtube https://www.youtube.com/watch?v=XwFKURYwfaM&w=640&h=360]
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Yup, I have a question... why jack the jeep to extend the shock? I understand youre pre-charging the cylinder with no load, but whats your reading when the shock is loaded with the vehicle weight and what's the max pressure recommended for the cylinder? using "round numbers"...with a pre-charge of 150psi, then vehicle loaded to "X"psi, why not service/charge the cylinder when the higher "X"psi drops below? I think you might save some time servicing without all the jacking.
ReplyDeleteGreat video - I'm sold on the system now just have to decide what lift and shocks to get (MC Game Changer + 6-pack or a bolt on King coil over setup). Is there a more stable way to jack that up? The 4x4 extension looks a little unsafe :p
ReplyDeleteIt's what the shock manufacturers tell everyone to do... so I assume if there was an easier way they wouldn't go through the trouble to make sure you know to charge it at an extended state.
ReplyDeleteSafe enough for this! lol.... I'm not crawling under it like that... but.. you could use a highlift jack... no that's not safe either! hahahah In reality you could always put a jack stand under it..but I don't bother for this quick operations where I am not pulling the tire or crawling under it.
ReplyDeletewas thinking the same thing lol
ReplyDeletethanks for the reply...no disrespect at all... i'm actually copying a lot of your mods... seicane/trail cams ect… I asked because in aviation (where this tech is coming from) you don't extend the shock/strut to service only to pre-charge (initial installation/rebuild). you service the higher loaded "X" value when it drops/dips. what's your cylinder reading under a load (static/sitting) ? does it go beyond the 300psi gauge? im curious because I have kings now (not piggybacked) and im researching going to ORI's.
ReplyDeleteThen I give you the same answer. :-)
ReplyDeletehaha, you didn't put your head under the fender so I trust you know what you're doing!
ReplyDeleteMore psi for a former ride? Better at high speed stuff like whoops. Lower psi for rough Rocky stuff? Just wondering where the magic number of 150 came from
ReplyDeleteGetting that beast Moab ready!
ReplyDeleteNathan Flowers it's an arbitrary decision based on popular opinion. I haven't really tuned it for any specific conditions...
ReplyDeleteYou REALLY want to purge the hose of air before filling. It makes a big difference with the small amount of air in the small reservoir over the long run.
ReplyDeleteGood tip!
ReplyDelete