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12

e)   Remove the speech diaphragm housing and O-Ring

from the facepiece by unscrewing the nut on the outside.
Inspect the O-Ring for damage, replace if necessary.
(See Figure 17.)

5)   For the 5400 Series, remove the Oral/Nasal cup by pul-

ing it from the mask, push and twist the exhalation hous-
ing assembly counterclockwise and remove. (See
Figures 15 and 18.)

6)

For  both the 7600 and 5400 Series,  remove the inhala-
ton connectors and their grommets from the facepiece.
Inspect the grommets for damage, replace if necessary.
(See Figure 19.)

7)

Prepare a solution of cleaner/sanitizer (North Catalog
number 80992) according to the cleaner/sanitizer
instructions.

8)

Wash the facepiece assembly in cleaning solution.

9)  Rinse the facepiece completely in clean warm water,

then air dry in a clean area.

10) Visually inspect the exhalation valve for damage,

replace if necessary.

11) Check the oral/nasal cup and its inhalation valves 

system for distortion, damage and completeness.

12) Reassemble the facepiece. Follow steps 2 through 8

above, in reverse order. Make sure all O-Rings are in
place.

13) An anti-fog coating may be applied to the lens of the

facepiece only after the lens area has dried (North
Catalog Numbers 80944 or 80945). This is mandatory
when the respirator will be used in temperatures below
32°F (0°C).

8.2   PREPARE FOR USE

1)

Install a new pair of air-purifying elements.

2)

Perform a seal check to make sure that components are
functioning properly.

E

E

N

N
G

G

L

L

II

S

S

H

H

FIGURE 17

Removing the Speech Diaphragm Housing

on the 7600 Series

FIGURE 18

Removing the Exhalation Housing on the 5400 Series

FIGURE 19

Removing the Inhalation Connector

Do not use abrasive cleaners on the lens. Abrasives
can remove the protective coating from the lens making
it susceptible to scratching and chemical degradation.

CAUTION

Summary of Contents for 5400 series

Page 1: ...piece Air Purifying Respirators Operating and Maintenance Instruction Manual 2001 North Safety Products Printed in U S A Part No 46000860 Rev B E E N N G G L L I I S S H H E E S S P P A A Ñ Ñ O O L L F F R R A A N N Ç Ç A A I I S S ...

Page 2: ...LEMENT REPLACEMENT 10 6 1 1 FILTERS 10 6 1 2 CARTRIDGES 10 6 2 INSPECTION 10 7 STORAGE 10 8 PERIODIC MAINTENANCE 10 8 1 CLEANING AND SANITIZING 11 8 2 PREPARE FOR USE 12 9 REPLACEMENT PARTS 13 9 1 7600 SERIES REPLACEMENT PARTS 13 9 2 5400 SERIES REPLACEMENT PARTS 14 10 ACCESSORIES 15 11 KEY TO CAUTIONS AND LIMITATIONS CONTAINED IN NIOSH APPROVAL LABELS 15 11 1 SPECIAL USER S INSTRUCTIONS 15 North ...

Page 3: ...air respira tor use the Instructions for Use that accompanied the Airline Accessory 1 1 IMPORTANT INFORMATION This Operating and Maintenance Instruction Manual contains important information and must be completely read and understood by all persons who may use or maintain this respirator This Respirator should be used or maintained only by per sons who understand the instructions contained within ...

Page 4: ...ated areas or confined spaces such as tanks small rooms tunnels or vessels unless the con fined space is well ventilated and the concentration of toxic contaminants is known to be and will continue to be below the Maximum Use Concentration recommend ed for the respirator In atmospheres containing oil unless a NIOSH R or P class filter is used For protection against gas or vapor contaminants unless...

Page 5: ...at the facepiece of the respirator fits properly Both the 5400 Series and 7600 Series respirators are avail able in two sizes medium large and small Most faces can be fit with the medium large however some persons with small faces may get a better fit with the small size Fit tests should be conducted at least annually or more frequently if there are factors such as weight change or dental surgery ...

Page 6: ...ng the breathing tubes to the inhalation connectors mounted on the facepiece lens Screw the two appropriate air purifying elements onto the inhalation connectors located on the Back Pack plate Check to be sure that each air puri fying element is effectively sealed against the grommet on the Back Pack back plate Inspect to make certain the respi rator and Back Pack have not been damaged FIGURE 1 As...

Page 7: ...ad straps to their full outward position See Figure 4 3 Put on the facepiece by grasping the head strap har ness and with your thumbs through the straps spread outward place the Back Pack breathing tubes if so equipped over your head See Figure 5 and 5A 4 Push the harness top up your forehead brushing your hair upward from the seal area Continue up and over your head until the harness is centered ...

Page 8: ...e pressure check until an effective seal is obtained To conduct a negative pressure seal check with the Back Pack accessory grasp each breathing tube and squeeze a tight fold in each inhale and hold your breath for about 5 seconds See Figure 10A If air leaks are detected reposition the facepiece on your face and or readjust the tension of the head harness and repeat the negative pressure check unt...

Page 9: ...n from the contaminants in the work area iv the air purifying element is equipped with an End of Service Life Indicator which has changed color to indicate expiration or v the respirator becomes damaged Should any of these occur and you remain in the con taminated work area you risk exposure to hazardous quantities of the air contaminant which can result in serious injury illness or death WARNING ...

Page 10: ...ace gas particulate or combination cartridges unscrew them from the inhalation connectors which are mounted on the facepiece and discard them Screw on new air purifying elements effectively to insure an effective seal between each air purifying element and the grommet on the facepiece lens See Figure 3 6 2 INSPECTION Visually inspect all components for damage or wear espe cially rubber parts Repla...

Page 11: ...t from the inside of the oral nasal cup See Figure 14 c Remove the oral nasal cup assembly by pulling it from the mask See Figure 15 d Unscrew the nut retaining the speech diaphragm and remove the diaphragm and O Ring Inspect O Ring for damage replace if necessary See Figure 16 FIGURE 12 Inspecting the Facepiece FIGURE 13 Removing the Exhalation Valve on the 7600 Series FIGURE 14 Removing the Plas...

Page 12: ...e exhalation valve for damage replace if necessary 11 Check the oral nasal cup and its inhalation valves system for distortion damage and completeness 12 Reassemble the facepiece Follow steps 2 through 8 above in reverse order Make sure all O Rings are in place 13 An anti fog coating may be applied to the lens of the facepiece only after the lens area has dried North Catalog Numbers 80944 or 80945...

Page 13: ...rap less hardware 7 80846 Latch Head strap 8 80847 Bail Head strap 9 80848 Neckstrap Assembly 10 80849 Lens 11 80852 Flange 12 80815 Oral Nasal Cup Medium Large 12 80800 Oral Nasal Cup Small 13 7700 17 Inhalation Valve ITEM CATALOG NUMBER NUMBER DESCRIPTION 14 80814 Valve Seat Inhalation 15 80855 Locking Ring 16 80856 Speech Diaphragm 17 80857 O Ring Speech Diaphram 18 80858 Housing Speech Diaphra...

Page 14: ...002 Facepiece Seal M L 1 54002S Facepiece Seal Small 2 3 80798 Lens Clamp Upper Lower 4 80843 Screw Lens Clamp 5 80844 Nut Lens Clamp 6 80757 Head strap Assembly 7 54005 Lens 8 54006 Oral Nasal Cup 9 7700 17 Inhalation Valve 10 80814 Valve Seal Inhalation ITEM CATALOG NUMBER NUMBER DESCRIPTION 11 7700 18 Exhalation Valve 12 54007 Exhalation Housing 13 54008 Cover Exhalation Housing 14 54003 Gasket...

Page 15: ...F 0 C This will reduce fogging on the inside of the face piece lens so the user can continue to see through it If the air purifying elements have End Of Service Life Indicators you must be able to see the End of Service Life Indicators without manipulation of the cartridges or facepiece while wearing the respirator Refer to specific user instructions supplied with car tridges for additional ESLI i...

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