13-8
2. Align the bellows housing bayonet tabs with the slots on the breathing system and then
lower the bellows housing. Make sure that the housing is depressing the seal evenly.
3. Hold the bellows housing tightly and turn it clockwise until it stops. Make sure that the
side of the housing marked with scale is facing the operator.
WARNING
z Before installing the bellows housing, check that the sealing component on the
breathing system is in position. If not, you must install the sealing component
properly before installing the bellows housing.
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