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

4.4

Cylinder and Valve Assembly

(1) Check the hydrostatic test date on the cylinder approval sticker located on the cylinder neck.
Carbon-wrapped cylinders must be tested every five years.
(2) Ensure the needle and gauge face on the cylinder valve gauge are clearly visible and that the
gauge stem is not bent.
(3) Ensure the rubber boot is present on the cylinder valve. If the boot is missing, remove from
service and until a new one is installed.
(4) For a remote connect cylinder, ensure the dove tail feature is not damaged or cracked. If
damaged, remove from service.
It is also essential that the required inspections and tests be performed on all SCBA cylinders in accor-
dance with Department of Transportation (DOT) regulations. DOT regulations require that composite
cylinders be retired from service after the fifteenth year. This does not include cylinder valve assem-
blies that may be reused. Contact an MSA distributor or sales associate for more information
regarding this policy.
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 lumbar pad is attached securely.
(3) Ensure the power module and pressure reducer are secured to the backplate by the lower cover.
(4) For remote connect cylinders, ensure the dove tail feature on the lower cover is not damaged or
broken.
4.6

Control Module

(1) Check the displays for cracks and other visible damage.
(2) Ensure the buttons are not damaged or missing.
(3) Ensure the hose assembly is securely attached to the control module.
(4) Ensure the needle and gauge face on the gauge are clearly visible and that the gauge stem is
not bent.
(5) TIC units only: Ensure that there are no cracks or other visual damage on the Germanium
window on the front of the control module.
4.7

Power Module

(1) Ensure that the power module and battery module are securely attached to the backplate.
(2) Inspect the piezo emitters on both sides of the power module.
a)The emitter covers should not obstructed by dirt or debris.
G1 SCBA
Visual Inspections
24
US