I am on vacation in Mexico and I brought my own gear - including 2 e7-100 steel tanks. They had a hydro and visual in January 2022. The dive shop I went to here says he can't get the valves off the tanks. He seems like a nice / competent kind of guy. Does anyone have any suggestions that may help us ? Thanks [He said he tried a mallot and something else]
Can't get the valves off my steel tanks
- Thread starter lhpdiver
- Start date
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Gone for diving
Contributor
I assume you had the valves off when you traveled there?
Make sure the tank is drained before trying to remove valve
Make sure the tank is drained before trying to remove valve
No - the valves have been on the tanks for 2 years. I drove here... The owner of the shop seems competent. certified in this and that. He seems really hung up on 'lubricant'. I don't know. The tanks are perhaps 20 years old (he has them at the moment). But they have been pampered (in a closet) for the last 2 years...
Gone for diving
Contributor
NO!!!!!! Don't do that...
iointerrupt
Contributor
No it can not. The only option tends to be finding a bigger wrench.
Gone for diving
Contributor
)
Boarderguy
Chief Narctopus Wrangler
Hit the damn thing with a mallet. They should only be only a bit tighter than snug/hand tight anyways. If they're stuck he either needs a bigger wrench or an impact to knock em loose. Make sure he's turning them the right way as well...
Eric Sedletzky
Contributor
If someone torqued those valves on that tight then they severely screwed up.
I had a steel 120 hydro’d several years ago and someone at the hydro shop (probably a green horn) torqued the valve on to about 160 ft Lbs. probably thinking it was like a tapered thread on a gas cylinder. That pissed me off. I had to use my biggest 24” crescent and a big mallet to get it off. They even mushroomed out where you put the wrench on.
I had a steel 120 hydro’d several years ago and someone at the hydro shop (probably a green horn) torqued the valve on to about 160 ft Lbs. probably thinking it was like a tapered thread on a gas cylinder. That pissed me off. I had to use my biggest 24” crescent and a big mallet to get it off. They even mushroomed out where you put the wrench on.
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