Replacing A Cga Cylinder - 3M SCOTT AIR-PAK X3 PRO Operating & Maintenance Instructions

OPERATING THE RESPIRATOR
4 Follow the appropriate instructions to replace your air cylinder:
•
"Replacing a CGA
•
"Replacing a Snap-Change

Replacing a CGA Cylinder

To replace a CGA cylinder
1 Unthread the pressure reducer hose coupling from the cylinder valve by rotating counterclockwise.
2 Disengage the cylinder retention strap by gripping the latch plate as shown in picture A in
on the end of the latch.
3 Grasp the cylinder below the retention strap, push the locking tab below the valve, then lift the cylinder free from
the bottom hook and remove. See picture B in
Figure 3-15 A) Gripping the latch plate on the cylinder retention strap. B) Pushing the locking tab.
4 Replace with a fully charged cylinder and valve assembly of the same pressure rating. Slide the top of the cylinder
upward under the retention strap.
5 Engage the cylinder hanger in the hook at the bottom of the backframe.
6 Secure the cylinder in place by pushing the latch toward the backframe to lock the cylinder latch.
7 Inspect the high pressure coupling and verify that the gasket
seal is present and undamaged. See
present and undamaged, align the high pressure coupling with
the outlet of the cylinder valve and tighten the hose coupling to
the cylinder valve by hand.
NOTE
Do not use tools to tighten the hose coupling. Over-tightening the hose coupling may damage the gasket
seal.
8 Continue use of the respirator.
If you terminate use of the respirator, clean and inspect it as described in
pirator" on page 37 and
28
Cylinder" on page 28
Cylinder" on page 29
Figure 3-16. If the gasket is
"Chapter 2: Inspecting the
Figure 3-15.
A
Latch plate
Locking tab
High-pressure gasket seal
Respirator" on page 5.
Figure 3-15
Figure 3-16 High-pressure gasket seal
"Chapter 4: Cleaning & Storing the Res-
P/N 595373-01
and lifting
B
Rev C 202004