Need help with DIY pump for charging pneumatic speargun.

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cohenandy

Contributor
Messages
172
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Location
New England
# of dives
1000 - 2499
I have a Technisub Ranger without a pump. I would like to rig a Schrader valve stem (bicycle) to a threaded fitting to charge the gun from a bike pump or compressor. I once did this with a Mares. Does any one have information on the type of thread used on a Technisub charging port, or other ideas on how to fill this gun?
 

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