TABLE OF CONTENTS
FOREWORD ............................................................................................................................... 2
Contact Information .................................................................................................................. 2
System Description ................................................................................................................... 2
Limitations of Use ..................................................................................................................... 4
Additional Certifications ............................................................................................................ 5
OPERATING INSTRUCTIONS ........................................................................................................ 5
Unpacking................................................................................................................................. 5
Assembly .................................................................................................................................. 5
Donning & Fitting ...................................................................................................................... 6
INSPECTION & MAINTENANCE .................................................................................................... 9
M-925 and M-927 Visors ........................................................................................................ 10
M-919 Visor Frame Buttons..................................................................................................... 11
M-953 Ratchet ........................................................................................................................ 13
M-350 Head Suspension (M-300 & M-400 Series) ................................................................. 14
ACCESSORIES .......................................................................................................................... 18
M-958 Chin Strap ................................................................................................................... 19
SPECIFICATIONS ...................................................................................................................... 24
TROUBLESHOOTING ................................................................................................................. 26
WARRANTY .............................................................................................................................. 27
LIMITATION OF LIABILITY .......................................................................................................... 27
FOR MORE INFORMATION ........................................................................................................ 27
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