Cylinder And Cylinder Valve Assembly; Control Module; Power Module; Carrier And Harness Assembly - MSA G1 SCBA Operating Manual

4.5

Cylinder and Cylinder Valve Assembly

Do all inspections and tests for SCBA cylinders in accordance with Department of Transportation
(DOT) regulations. DOT regulations require that composite cylinders be removed from service after
th
the 15 year. This does not include cylinder valve assemblies that can be reused. Contact an MSA
distributor or sales associate for more information about this policy.
For external and internal inspections of the cylinders, refer to the latest edition of CGA C-6.2, Standard
for Visual Inspection and Requalification of Fiber Reinforced High Pressure Cylinders.
(1) Look for the hydrostatic test date on the cylinder approval sticker (located on the cylinder neck).
Carbon-wrapped cylinders must be tested every 5 years.
(2) Make sure the needle and face on the gauge of the cylinder valve assembly are clearly visible
and that the gauge stem is not bent.
(3) Make sure there is a rubber boot on the cylinder valve assembly. If the boot is missing, remove
the cylinder from service until a new boot is installed.
(4) Make sure the dovetail feature on the cylinder valve assembly is not cracked or damaged. If the
dovetail feature is damaged, remove the cylinder from service.
4.6

Control Module

(1) Make sure the displays do not have cracks and other visible damage.
(2) Make sure the buttons are present and are not damaged.
(3) Make sure the hose assembly is attached securely to the control module.
(4) Make sure the needle and face on the gauge are clearly visible and that the gauge stem is not
bent.
(5) For TIC units only: Make sure the germanium window on the front of the control module does not
have debris, cracks, or other visual damage.
4.7

Power Module

(1) Make sure the power and battery modules are attached securely to the backplate.
(2) Make sure there is no dirt or debris on the covers on the piezo emitters on both sides of the power
module.
4.8

Carrier and Harness Assembly

(1) Operate the latch on the cylinder band to make sure it opens and closes correctly and that it
holds the cylinder securely.
(2) Make sure the lumbar pad is attached securely.
(3) Make sure the power module and pressure reducer are attached to the backplate by the lower
cover.
(4) For remote-connect cylinders, make sure the dovetail feature on the lower cover is not broken or
damaged.
G1 SCBA 2018 Edition
Visual Inspections
24
US