Operation; Air Source; Air Supply Hose - MSA PremAire Cadet Escape G1 Manual De Instrucciones

3

Operation

Thoroughly inspect this respirator on receipt and before use. This respirator is to be used only by
trained and qualified personnel. Read and understand these instructions before attempting to use this
equipment.
3.1

Air Source

The purity of the air supply is the responsibility of the user. The respirator is approved only when the
air supplied meets the requirements of the Compressed Gas Association Specification G-7.1 for
quality verification level (Grade) D air or equivalent specifications.
3.2

Air Supply Hose

The PremAire Cadet Escape Respirator can be used with a wide range of MSA air supply hoses with
a minimum length of 8 feet and a maximum length of 300 feet. For G1 configurations, the minimum
air supply pressure is 70 psig and the maximum air supply pressure is 110 psig. A maximum of 12
sections of straight or uncoiled air supply hose may be used in making up the working length of hose.
When using coiled hose, a maximum of six sections may be used and each section is considered to
be 50 feet long. Hose sections vary from 8 feet to 100 feet lengths. The air-line connection to the appa-
ratus is to be made through approved quick-disconnects only.
MSA air supply hoses have temperature limitations. DO NOT use the PremAire Cadet Escape
Respirator whenever ambient or inlet-air temperatures exceed the limits specified below for each
hose material. Misuse can result in serious injury or death.
Hose material
Polyvinyl Chloride
Neoprene
Nylon (Coiled)
WARNING
Recommended Limits
32°F to 120°F
-25°F to 212°F
-20°F to 180°F
PremAire Cadet Escape G1
Operation
US
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