Maintenance Work - Dräger FPS 7000 RP Instrucciones De Uso

Maintenance work

● Check all parts for deformation and damage and replace them if
deformed or damaged.
● Retighten the two screws on the cap (recommended torque:
0.44+0.03 ft lb/60+5 Ncm).
● After maintenance work and/or replacement of components
confirm the leak tightness.
Replacing the speech diaphragm (Figure A3 on Page 3)
● If fitted, remove the mouthpiece.
● Remove the nose cup.
● Remove the speech diaphragm using wrench R 26 817 taking
care not to damage the foil on the diaphragm.
● Perform visual inspection of speech diaphragm and O-ring and
replace if necessary.
● Insert O-ring, then screw in speech diaphragm.
● Fasten the nose cup.
● Mount the mouthpiece, if necessary.
Use Instructions for NIOSH-approved full facepieces
Replacing the drinking valve
● Remove the mouthpiece.
● Remove the nose cup.
● Remove the covering cap of the drinking valve and remove it
together with the frame.
● Loosen the screws (Figure F-1 on Page 3) and remove the rotary
knob (Figure H-6 on Page 3).
● Unhook the cap from the visor frame, then remove it from the
connection piece by pulling it away from the drinking valve.
● Swivel the drinking valve downwards by 180
the connection piece.
● Attach the new drinking valve to the connection piece so that it
points downwards.
● Turn the drinking valve into the connection piece so that the safety
lug of the drinking valve grips behind the safety lug of the
connection piece.
● Adjust the drinking valve.
● Hook the cap into place on the button and place it on the drinking
valve, then hook it into the visor frame.
● Pull the covering cap of the drinking valve with the frame up and
away from the drinking valve, then mount the cap.
● Mount the rotary knob, then fasten the three screws
(recommended torque: 0.44+0.03 ft lb/60+5 Ncm).
● Use Loctite 221 to secure the screw at the rotary knob.
● Put the covering cap on the drinking valve.
● Fasten the nose cup.
● Mount the mouthpiece.
o
, then pull it out from
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