<<It provides 3.5 PSI pressure, so that should not
be the issue.>>
1] TOO much, Dan.
2] Put an SU on (as designed & God intended<G>)).
3] Try air thru the line to/from tank BOTH directions.
Helps to have Asst. to do the 'listening' to 'hear'
escaping air.
4] check ALL clamps.
Ed
Please visit MY site at:
www.justbrits.com