Owner's Manual
8
© Air Venturi 2017 / www.airventuri.com / 216-292-2570
Fill check-valve
If you are not comfortable replacing the ll check-valve, bring it to a
qualied airsmith or call Air Venturi at 216-220-1180.
8
Your ll check-valve requires
periodic inspection. If it’s leak-
ing or you notice damage on the
exterior, replace it.
Refer to the parts list on page 15.
You’ll need the following tool to
ll check-valve:
• 7/16" wrench
• 1/8-27-NPT go/no-go thread gauge
1. Completely degas your tank by
depressing the ball valve.
2. Using a 7/16" wrench, remove the
old ll check-valve assembly.
3. Remove any old sealant and debris
from the port.
4.
check-valve port threads on the gas
distribution body. Use your go/
no-go thread gauge (available at
WARNING:
industrial supply stores or
www.mscdirect.com) to check the threads.
If threads are damaged or
worn, STOP! Do NOT use your
regulator. contact a qualied
airsmith or call Air Venturi at
216-220-1180.
5. A thread sealant has already been
applied to the threads on your OEM
ditional sealant or PTFE tape.
6. Make sure the strut is inserted into
image below. e new assembly
should then be screwed into the
regulator. Turn it until hand-tight
and then tighten it an additional
1-1/2 turns. Do not exceed 100
inch-pounds of torque to seal.
If it still leaks, contact a quali-
ed airsmith or Air Venturi at
216-220-1180.
ll check-valve has a groove across one end. is is essential
for proper gas fl ow. When replacing the check-valve, always replace the entire
unit. Use only OEM products to maintain the system’s integrity.
Groove
Inspect the 1/8-27-NPT female ll
Contact Air Venturi at 216-220-1180 for OEM replacement
parts to service and replace your ll check-valve.
Never inject oil into the regulator through the full check-valve or allow oil
to enter the bottle. oil droplets ignite during the ll process and can lead to
injury or death.
MAKE SURE THE SYSTEM IS COMPLETELY DEGASSED BY DEPRESSING
THE BALL VALVE TO EXHAUST ANY TRAPPED GAS.










