User's Manual

Maintenance
September 2013 6-14 P/N 81-CO2MAN-001
outlet fitting (1/8 NPT to 5/16 tube connector) must be removed to expose the two flats
on the valve body (new cylinders are supplied with plastic shipping plug in this outlet).
7. Both the valve body and the control head hex nut are 1-1/2” across the flats. Hold the valve
body using a 1-1/2” wrench (preferred) or a suitable smooth jawed adjustable wrench.
8. Position the control head in the desired orientation and hand tighten the hex-nut. Using a
torque wrench
1
fitted with a 1-1/2" crowfoot wrench, tighten to a minimum torque of 60
ft. lb.
2
.
9. Reinstall outlet fitting and connect to system hose, tubing or pipe (as appropriate).

1
Recommended 10-100 ft. lb. 1/2” drive torque wrench. Other ranges are acceptable
provided 40-60 ft. lb. is within optimum tolerance for the tool.
2
Set wrench to a minimum setting of 55 ft. lb. (most styles of crowfoot will increase the
actual torque value by approximately 10% since a typical 1-1/2" crowfoot wrench has a
center-to-center dimension of 2”. Actual minimum torque value is 60 ft. lb. Calculate effect
of crowfoot using tool manufacturer’s data.