2019-10-23
OI06H-6018 SR 540 EX
7
3.4
A clicking sound indicates
that the visor unit has been
lowered fully.
3.5
Insert a finger between
your chin and the face seal
and run the finger along the
contact surface of the face
seal all the way round to
check that it fits well against
the face.
3.6
Check that the breathing
hose runs along your back
and that it is not twisted.