Cylinder Leak Check - Mallinckrodt INOMAX DSir Plus Operation Manual

Cylinder Leak Check

If a leak is suspected during the high pressure leak test, the following steps can be taken to check for leaks
(see Figure 4-16 for possible cylinder gas leak locations) in the INOMAX regulator or INOMAX cylinder.
Refer to hospital policies and procedures
Note:
for dealing with leaking gas cylinders.
Additional information regarding
environmental effects can be found in
the section 1/ General Information.
5
6
1. Cylinder Valve Regulator Connection
2. INOMAX Regulator Hand Wheel Connection
3. Regulator End Cap Connection
4. Tamper Evident Tape
5. Valve Nut
6. Safety Pressure Release Device
Figure 4-16
Part No. 20717 Rev-01
2014-07
1. Check the INOMAX drug cylinders for the correct
2. Apply soapy water to points #1, #2, #3, #5 and
4
3. If there are no bubbles, the leak may be inside
2
3
Recommended actions should a leak be detected:
1
1. A leak detected at points #1 and #2 may be
2. If a leak is detected between the regulator body
3. A leak detected at the cylinder valve nut
4. A leak detected at the safety pressure release
product identity, cylinder concentration, and
expiration date. Verify cylinder has at least 500
psig (replace if 200 psig or less), and tighten the
fitting to the INOMAX cylinder.
#6 (see Figure 4-16); if bubbles form, there is a
leak.
the INOmax DS and cannot be repaired.
IR
Replace the INOmax DS
IR
Support.
corrected by tightening the INOMAX regulator
hand wheel.
a. If cylinder valve is open, close cylinder valve,
relieve regulator pressure by purging, tighten
INOMAX regulator hand wheel.
b. Open cylinder valve and reapply soapy water
to points #1 and #2.
c. If bubbles form, there is a leak.
d. Remove INOMAX regulator and check white
plastic tip on INOMAX regulator for chips or
cracks. Replace if necessary (see page 7-8).
Repeat step b (note: If leak remains, replace
INOMAX regulator).
and regulator end cap (see point #3) replace
INOMAX regulator and contact Technical
Support.
connection (see point #5) may not be repaired.
Replace INOMAX cylinder and contact Technical
Support.
device (see point #6) may not be repaired.
Replace INOMAX cylinder and contact Technical
Support.
and contact Technical
4-19