Sperian SURVIVAIR Opti-Fit S-Series, Operation And Maintenance Manual

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XXI. REPAIR TABLE
COMPONENT INSTRUCTIONS
HEADSTRAP REPLACE-
MENT
1. Remove the old headstrap from the facepiece,
noting the routing of the straps.
2. Install new headstrap.
TWIN SEAL/CONNECTOR
REPLACEMENT
1. To remove, rotate the connector clockwise. Lift
the connector hook and rotate the connector
counterclockwise, and pull outward.
2. Remove twin seal o-ring from groove in lens.
3. To install, gently separate the o-ring and gasket
halves of the new twin seal. A small part num-
ber tab should remain attached to each half.
Do not use the o-ring if it is damaged.
4. Place the o-ring into the groove on the lens with
the part number tab aligned with the slot.
5. Align the three lugs on the underside of the
connector with the three slots in the lens. In-
sert the connector into the lens port and rotate
clockwise. An audible click should be heard.
6. Install the new gasket onto the connector. The
gasket must be seated in the groove in the
connector.
NOZZLE
COVER
REPLACEMENT
1. To remove, pinch the two lower latches while
lifting the lower tab.
2. Disengage the upper hook by lifting the cover
upward.
3. To install, engage the cover on the nozzle up-
per hook.
4. Rotate cover downward until both lower latches
engage the cover. An audible click should be
heard.