Dräger X-plore 4000 Notice D'utilisation page 30

Use
c. Screw in the powered air purifying respirator or hose breathing
respirator.
X-plore 4790:

a. Press the cover near the handle areas from the cap.
b. Screw in the respiratory filter.
c. If necessary, insert the prefilter into the cover.
d. Attach the cover to the cap.
e. Don the half mask (see chapter 3.2.1 on page 30).
f. Test for leaks (see chapter 3.2.2 on page 31).
3.2.1 Don the half mask (see page 4)
Half mask with head harness:

a. Loosen the harness:
Pull the ends of the harness as far as possible towards the head
harness.
b. Close the locking hooks.
c. Place the harness around your neck.
d. Push the half mask up to the head harness (A1).
e. Fit the half mask over your mouth and nose (A2).
f. Place the head harness on the back of your head, guiding the
harness above your ears.
g. Pull the ends of the harness until the half mask rests tightly
against your face (A3).
NOTICE
i i
The head harness can also be used in combination with a
protective helmet.
By opening both locking hooks, the half mask can be
comfortably parked in front of your chest (see page 5, Figure
D).
Half mask with support ring:

a. Loosen the support ring:
Lift the lug with your thumb and pull the support ring as far as
possible in the direction of the arrow (B1).
30 X-plore 4000