20
Visual Inspections
GB
G1 Integrated SCBA System
4.2
Lung Governed Demand Valve
(1) Ensure that moisture or debris is not present, especially inside the LGDV and in the micro-
phone ports.
WARNING!
DO NOT use any sharp objects to remove dirt or debris from the microphone ports. Rinse with
water to flush ports out. Allow ports to dry fully before placing back into service. Failure to follow
this warning could result in serious personal injury or death.
(2) Ensure the O-ring and seal ring are free of debris and not damaged or missing.
4.3
Pressure Reducer
(1) Threaded Connect: Unthread the handwheel from the cylinder valve (if present).
a) Inspect for thread damage.
b) Ensure an O-ring present and not damaged.
c) Replace the O-ring if damaged.
(2) If the SCBA is equipped with an alphaCLICK 2 Quick Connect:
a) Inspect the quick connect fittings.
b) Ensure that the openings are clear and free of debris and other contaminants.
c) Ensure that the quick connect fittings operate properly and are secured.
(3) alphaCLICK 2 Quick Connect: Turn the quick connect counterclockwise a quarter of a turn
and pull away from cylinder valve to release (if present).
a) Inspect the quick connect for damage.
b) Inspect the adapter for damage.
(4) Inspect the high pressure relief valve for damage.
a) Ensure the relief valve label is not damaged and that the relief valve ports are not showing.
b) If damaged, remove the SCBA from service and replace the relief valve.
(5) Reattach handwheel to the cylinder valve.
a) Threaded Connection: Ensure that the handwheel is handtight (no tools).
b) alphaCLICK 2 Quick Connect: Push the quick connect coupling onto the adapter. Pull on
the quick connect coupling to ensure it is connected properly.
4.4
Cylinder and Valve Assembly
(1) Check the test date on the cylinder approval sticker located on the cylinder neck or on the
cylinder label.
a) Observe national regulations for inspection intervals.
Make sure that the cylinder in use is approved as part of the MSA G1 SCBA system and fulfills all
requirements to be in operation according to the cylinder manual and relevant national regula-
tions.
4.5
Carrier Assembly
(1) Operate the latch on the cylinder band to ensure that it opens and closes properly and that
it holds the cylinder securely.
(2) Ensure that the hip belt is attached securely.
(3) If applicable (power module present): Ensure the power module and pressure reducer are
secured to the backplate by the lower cover.
