Protector VISION 2 RFF1000 Instrucciones De Funcionamiento página 7

Replacement of Inhale Valve(s)
Vision 2 RFF1000 and RFF4000
1. Pull the inhale valve assembly (9) out of the front of the filter thread fitting. Examine the valve for
wear or damage and if necessary replace it. If the valve is not to be renewed it must be cleaned
by washing in warm water and soap (NOT detergent).
2. Push the valve assembly into the filter thread fitting so that the valve frame is on the outside.
Vision 2 RFF2000
1. Reach into the inside of the facemask, grasp the valve flap (19) and carefully pull it from its
frame.
2. Fit the new valve flap over the valve frame boss. Check that the flap lies flat on the valve frame.
Replacement of Exhale Valve
1. Remove the front fitting (11) and push the exhale valve assembly from inside the mask, out
through the front fitting. Check that the flap and O-ring are in good condition. If necessary
replace both.
2. If the O-ring is replaced it must first be lubricated with MS4 silicone grease.
Replacement of Inner Mask Inhale Valves
The valve flaps are located on the inner side of the inner mask
1. Carefully pull the inhale valve flaps and valve pins (15) from inner mask (16). Clean the inner
mask and fit new valve flaps.
2. Check that the valve flaps are free and lie flat on the inner mask.
Important: Visually check the valve flaps monthly to ensure that they are clean and
undamaged.
Check that the inhalation valve flaps are flexible.
Valves and O-rings must be replaced at least annually, regardless of condition.
Replacement of Speech Diaphragm
1. Rotate the speech diaphragm retainer (14) 10° anti-clockwise and withdraw the retainer, speech
diaphragm and O-ring (13). Check that the speech diaphragm is in good condition and replace if
necessary. Lightly lubricate the replacement O-ring with MS4 silicone grease.
2. Fit O-ring (13) over the speech diaphragm and press the diaphragm and O-ring into the front
fitting, black grid first, taking care to ensure that the O-ring stays in place on the diaphragm.
Secure with the retainer for the speech diaphragm, with apron uppermost.
Replacement of Inner Mask
1. Gently pull the inner mask from the front fitting (11).
2. Feed the rim of the new inner mask into the groove in the front fitting (11).
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