Dräger X-plore 6000 Instructions For Use Manual page 81

4.3 Maintenance work
Leak tests must be repeated after any maintenance work and/or after
replacing components.
4.3.1 Visual inspections
The speech diaphragm must not show any damages, e.g.

deformations, holes, oxidations. Otherwise it must be replaced
(see Chapter 4.3.5 on Page 82).
To check the exhalation valve, remove the exhalation valve cover

from the facepiece connector, and carefully inspect the valve disc.
Valve disc and seat must be clean and undamaged. Clean or
replace if necessary (see Chapter 4.3.6 on Page 82).
Check all parts for deformation and damage and replace them if

necessary.
4.3.2 Replacing the visor (Figures F1 and F2 on Page 3)
1. facepiece with metal visor frame: Grip the hexagonal nuts and
unscrew the screws.
1. facepiece with plastic visor frame: Unscrew the screws.
2. Pry the visor frame apart with a screwdriver at the connecting
points, then pull it off to the top and bottom.
3. Remove the gusset if necessary, see Chapter 4.3.3 on Page 81.
4. Detach the old visor from its rubber frame.
5. Insert a new visor, first in the upper half and then in the lower half
of the rubber frame.
The center marks on the visor must be aligned with the seam on
the facepiece.
6. Draw the rubber frame over the edge of the visor on the right and
left.
7. Moisten the outside of the rubber frame and the inside of the visor
frame with soap solution.
8. Fit first the upper, then the lower visor frame.
9. Fit the gusset if necessary.
Dräger X-plore 6000
10. facepiece with metal visor frame: Screw the clamping screws into
11. facepiece with plastic visor frame: Insert and tighten the screws.
4.3.3
1. Pull the nose cup out of the groove in the screw ring.
2. Pry open the connector clamp using a screwdriver.
3. Remove connector clamp, sliding ring and gusset.
4. Pull the facepiece connector out of the facepiece body.
5. Insert speech diaphragm, exhalation valve, and inhalation valve
6. Mount slide ring and new connector clamp. Attach the hook to
7. Push support between connector clamp and slide ring, then attach
8. Compress the nose on the connector clamp with pliers until the
9. Press the edge of the nose cup into the groove in the screw ring
4.3.4
1. Pull out the old valve disc towards the inside.
2. Insert the stud of the new disc into the hole from inside, and pull it
(Use Instructions for NIOSH-approved full facepieces)
the hexagonal nuts and tighten until the gap between the clamp
lobes is between 0.12 and 0.02 in (3 and 0.5 mm).
Replacing the facepiece connector
into the new facepiece connector, and fit the connector so that the
center marks of the mask connector and facepiece body match.
ensure the tightest possible fit of the connector clamp.
it to the lower visor frame and align it (figure G).
facepiece connector is securely located in the facepiece body.
and ensure that it engages all around. The edge of the nose cup
must fit all around the full circumference of the screw ring. The
center marks on the facepiece connector and on the nose cup
must match.
Replacing a nose cup valve disc
towards the visor until the undercut of the stud is visible. The valve
disc should make even contact with the inside surface.
Maintenance
81