Cleaning And Disinfection; Storage And Transportation - 3M 7907S Serie Manual Del Usuario

lens frame. Replace the two screws and tighten.
Exhalation valve cover (7918) and (7283) Exhalation
valve replacement
Remove the exhalation valve cover by lifting at the two
prongs on either side of the centre opening and sliding
down. Figure 5.
Remove exhalation valve by pulling on the edges of the
valve.
Push new valve completely down onto centre post of
the valve seat.
IF VALVE SEAT IS DAMAGED, REPLACE
BREATHING ROOM ASSEMBLY.
Speech diaphragm replacement ( 7895)
Remove the nose cup by pulling out of the groove
around the speech diaphragm. Turn the diaphragm
retaining key ring counter-clockwise and remove.
Push the diaphragm out of the facepiece from
underneath using the eraser end of a pencil or similar
object.
To replace the diaphragm, follow the above steps in
reverse.
Spectacle Kit (7925). Insert two prongs of the eye
glass frame into the holes of the frame holder. Insert the
frame holder into the facepiece. (Fig 7 )
Bayonet Connector Kit (7910)
Hold the inside part of the connector secure, grasp the
outside of the connector and twist counter-clockwise to
remove.
To replace the connector, press the inner section into
the facepiece until the end of the threads are flush with
the facepiece exterior, then screw on the outer piece by
turning clockwise.
Inhalation Valves (7282) Replacement. Grasp the
edges of the valves and pull away from the plastic post.
Replace if the valve is distorted, cut, split or cannot be
reassembled onto the valve seat. If the valve seat is
damaged, replace the entire connector kit (7910)
Inhalation Valves (6895) Replacement. Replace the
gaskets if they are warped, distorted, cut or split. Be
sure the gasket is flat and seated correctly.
Nose cup valve (7882) replacement The nose cup
valves are supplied as a complete assembly. Remove
the nose cup valves if they become warped, torn or
otherwise damaged. Replace the valves in the nose
cups such that the post points away from the nose.
Remove by grasping the edges of the valves and
carefully pulling the post out of the valve seat. Replace
if the valve is cut, split, warped or will not seal. If the
valve seat is damaged, replace the entire valve
assembly. To replace, position the valve inside the nose
cup and insert the rubber post onto the centre hole of
the valve seat. Carefully pull on the post until the groove
on the post is in the centre hole. Ensure the valve is flat
against the valve seat.
Breathing room assembly (7924) replacement
Remove the speech diaphragm, nose cup, and
exhalation valve cover and exhalation valve. Use a
Philips head screwdriver to loosen retaining ring and
remove breathing room assembly for cleaning and
inspection. Reassemble by inserting the breathing room
assembly into the facepiece, reapplying the retaining
ring and tighten.

CLEANING AND DISINFECTION

Cleaning is recommended after each use. If the
respirator is to be used for more than one shift it should
be cleaned at the end of each shift and stored between
shifts in the original packaging or a sealed container. To
clean the respirator, the 3M™ 504 Wipe should be
used to wipe the face seal of the product.
Remove the filters and disconnect the air supply unit if
appropriate. Clean parts (excluding filters) by immersing
in warm cleaning solution (water temperature not to
exceed 50°C), scrub with soft brush until clean.
Add neutral detergent if necessary. Disinfect respirator
by soaking in a solution of quaternary ammonia
disinfectant or sodium hypochlorite or other disinfectant.
Rinse in clean, warm water and air dry at room
temperature in a non-contaminated atmosphere.
CAUTION
Do not use cleaners containing lanolin or other oils on
these products.
Do not autoclave.
Do not use petrol, chlorinated degreasing fluids (such
as trichloroethylene), organic solvents or abrasive
cleaning agents to clean any part of the equipment.
Do not reassemble parts until facepiece is completely
dry.

STORAGE AND TRANSPORTATION

These products should be stored in the packaging
provided in dry, clean conditions away from direct
sunlight, sources of high temperature, petrol and
solvent vapours.
End of Shelf Life
] \
Maximum Relative Humidity
@
Name and address of Manufacturer
:
The manufacturing date of the face blank can be
determined by viewing the bar diagram inside the
facepiece above the visor. The year is indicated by the
two digits and the month of that year can be found by
counting the number of dots to the right of the year.
Figure 8 The example shows 01/09/2018 - 30/09/2018.
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Temperature Range