4Q1.7-215.pdf

Manual: 4Q1.7 Procedure: 215

Revision: 10

OPERATION OF TSI FILTER TESTER 8127 AND TSI

8119 RESPIRATOR LEAK TESTER

Effective Date: 02/16/2017 Type-Class: Tech-REF Page: 1 of 26

1.0 INTRODUCTION

1.1 Purpose

To provide instructions for performing efficiency and resistance testing of respirator cartridges/filters and leakage testing on assembled respirators, using the Certitest Model 8127, TSI Automatic Filter Tester and the Model 8119, TSI Respirator Leak Tester.

1.2 Scope

This procedure provides guidelines for Respiratory Equipment Facility (REF) personnel to operate the TSI Filter Tester 8127 and TSI Respirator Leak Tester 8119.

This is a Reference procedure. The user is not required to have this procedure present while performing the activity.

The following data/round sheets may be utilized in the performance of this procedure:

OSR 4-510, Respiratory Equipment Record and Quality Assurance (QA)

ISF-REF-003, Voltage Value and Trigger Level Recording Sheet

All respirator repairs will be conducted in accordance with appropriate procedure.

2.0 GENERAL INFORMATION

2.1 Responsibilities

1. The REF Lead is responsible for:

Providing technical guidance on the use of the filter tester and respirator leak tester, Evaluating results of OSR 4-510 to determine if significant defective items are reported and notifying the Respiratory Protection Program Administrator

(RPPA),

Determining if issuance of a Nonconformance Report (NCR) is required and necessary, Initiating and responding to NCR’s in accordance with Manual 1Q, Procedure 15-1, Control of Nonconforming Items.

2. REF Personnel are responsible for:

Performing proper use of the filter and respirator leak tester, Completing qualification training as specified in the Job Performance Standard or approved equal, Ensuring Quality Assurance testing is completed as specified in Manual 4Q1.7, Procedure 104, Respiratory Equipment Facility Quality Verification.

Operation of TSI Filter Tester 8127 and TSI 8119 Respirator Leak Tester

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3.0 PRECAUTIONS AND LIMITATIONS

3.1 Safety

1. Workers shall follow applicable facility safety rules and observe personal protective equipment (PPE) postings.

2. Tools shall be inspected prior to use for obvious defects and that they are in good condition and good condition and safe for use.

3. Caution shall be used when installing the respirator on the headform to prevent hand injury.

4. The following chemicals may be used during this procedure to generate aerosol to perform leak test on respirators and to grease O-ring.

Emery 3004 synthetic Hydrocarbon 4 CST fluid (MSDS 31281-1), one gallon to be used annually

Dow Corning High Vacuum Grease (MSDS 6381-1)

5. Do NOT operate Certitest Model 8127, TSI Automatic Filter Tester and the Model 8119, TSI Respirator Leak Tester unless authorized and familiar with the contents of this procedure.

6. Gloves shall be worn when accessing front panel and when changing out 8119 respirator leak tester headform.

7. Proper lifting techniques shall be used per Manual 8Q, Procedure 12, General Site Safety Requirements.

3.2 Process Hazards

1. Do NOT overfill oil reservoir.

2. The “Emergency OFF” button is only to be used in an emergency, NOT for normal shut down.

3. The TSI 8127 contains an enclosed laser. This laser shall NOT be accessed by site personnel, but only by the manufacturer.

4.0 PREREQUISITES

None

5.0 PERFORMANCE

5.1 New P100 Cartridges Quality Verification at the REF

1. DETERMINE the number of new P100 cartridges to be inspected and placed in service each day. Those inspected and placed in service on each day are considered one lot.

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5.1 New P100 Cartridges Quality Verification at the REF, (cont.)

2. Using ANSI/ASQ Z1.4 tables listed in 4Q1.7, Procedure 104, DETERMINE the number of new P100 cartridges to be tested for Quality Verification.

3. PERFORM Quality Verification testing of new P100 cartridges per Section 5.3 and 5.4, AND

RECORD quantity on OSR 4-510.

5.2 Initial Start-Up

1. OPEN front door of the filter tester, AND

LOCATE the oil aerosol generator (shown as Figure 8.1).

CAUTION

Do NOT overfill oil reservoir.

2. CHECK level in oil aerosol generator. The red marker must be between the black rings. The top of the red marker should never extend above the top black ring.

A. IF the oil level is within proper range, THEN

PROCEED to Step 5.2.3.

B. IF the red marker is not between the black rings, THEN

1) REMOVE the fill cover.

2) FILL the oil reservoir until the liquid indicator level is between the black rings.

3) REPLACE the fill cover.

NOTE

The compressed air valve is located on the wall behind the filter tester.

3. ENSURE the valve is OPEN.

4. ENSURE that air pressure is within the 85 to 100 pounds psig range on the gauge.

A. IF psig is NOT within proper range, THEN

ADJUST the air pressure until appropriate psig is achieved.

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5.2 Initial Start-Up, (cont.)

Step 4, (cont.)

B. IF psig reading cannot be achieved, THEN

NOTIFY the REF Lead.

5. TURN ON the power switch (shown as Figure 8.2) which is located on the right front of TSI model 8127, as you face the machine. The main solenoid valve opens and compressed air is supplied to the tester. The filter holder should open.

A. IF the filter holder does not open, THEN

TURN power switch OFF, AND

NOTIFY the REF Lead.

6. LOCATE main pressure regulator adjustment knob and gauge (shown as Figure 8.3). The pressure regulator gauge shall read between 70 to 80 psig.

A. IF the gauge does NOT read between 70 to 80 psig, THEN

TURN the adjustment knob clockwise to increase the pressure, OR

TURN the adjustment knob counter-clockwise to decrease the pressure until the gauge reads between 70 to 80 psig.

B. IF psig reading cannot be achieved, THEN

NOTIFY the REF Lead.

7. LOCATE the filter holder pressure regulator, adjustment knob, and gauge (see Figure 8.4).

8. PULL the regulator knob up to release the knob lock, AND

ADJUST the filter holder pressure to read 20 psig on the gauge.

9. WHEN psig reading is achieved, THEN

PUSH the regulator knob down to relock.

A. IF psig reading cannot be achieved, THEN

NOTIFY the REF Lead.

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5.2 Initial Start-Up, (cont.)

10. LOCATE the aerosol generator pressure regulator, adjustment knob, and gauge (see Figure 8.4).

11. ADJUST the generator pressure to read 40 psig.

A. IF psig reading cannot be achieved, THEN

NOTIFY the REF Lead.

12. LOCATE make-up air flowmeter and adjustment knob on the left side of the cabinet (see Figure 8.5).

13. ADJUST the make-up air flowrate to 50 liters per minute (lpm).

14. READ the flowrate in the middle of the flowmeter float ball.

A. IF psig reading cannot be achieved, THEN

NOTIFY the REF Lead.

NOTE

If the tester has run for at least 15 minutes and then turned off for five minutes or less, no warm-up is required as noted in Step 5.2.15.

15. CLOSE the front door of the cabinet, AND

ALLOW filter tester to warm-up for 15 minutes.

5.3 Tester Set-Up for Testing Respirator Cartridges

1. SELECT OPTIONS from the main menu screen.

2. SELECT PROTOCOL from the Options menu.

3. SELECT SELECT TEST PROTOCOL from the Protocol menu.

4. WHEN testing MSA Ultratwin Cartridges and North Cartridges, THEN

ENSURE Protocol "0" is displayed.

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5.3 Tester Set-Up for Testing Respirator Cartridge, (cont.)

Step 4, (cont.)

A. IF Protocol "0" is displayed, THEN

1) PRESS INSTALL.

2) PRESS ESC until the main menu is displayed.

3) PROCEED to Step 5.3.6.

B. IF Protocol "0" is NOT displayed, THEN

1) PRESS NEXT until Protocol "0" is displayed.

2) PRESS INSTALL.

3) PRESS ESC until the main menu is displayed.

4) PROCEED to Step 5.3.6.

5. WHEN testing MSA MM2K PAPR filters, THEN

ENSURE Protocol "1" is displayed.

A. IF Protocol "1" is displayed, THEN

1) PRESS INSTALL.

2) PRESS ESC until the main menu is displayed.

3) PROCEED to Step 5.3.6.

B. IF Protocol "1" is not displayed, THEN

1) PRESS NEXT until Protocol "1" is displayed.

2) PRESS INSTALL.

3) PRESS ESC until the main menu is displayed.

6. ENSURE the filter holder is empty.

7. SELECT TESTER SET-UP option from the main menu screen, AND

WAIT until READY is displayed.

8. CLOSE the filter holder when READY is displayed on the screen by SIMULTANEOUSLY pressing both CLOSE buttons until the filter flow is displayed on the screen.

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5.3 Tester Set-Up for Testing Respirator Cartridge, (cont.)

9. SET flow for the filter test by using the flow control valve, located on the left front of the tester, as follows:

42.5 lpm for cartridges used in pairs, OR

85 lpm for cartridges used singularly

10. SELECT CONTINUE SET-UP from the screen display.

11. VERIFY the following messages appear on the screen:

SET-UP IN PROGRESS (This process includes the test finishing, the filter holder opens)

SET-UP COMPLETED

12. PERFORM filter testing.

5.4 Perform Filter Test

1. SELECT FILTER TEST on the main menu screen.

2. PLACE a filter in the lower half of the filter holder, AND

SIMULTANEOUSLY PRESS both CLOSE buttons. A TEST IN PROGRESS message will appear.

3. WHEN the test is complete, THEN

CONFIRM the filter holder OPENS and the results are shown on the display.

4. IF FAIL appears, THEN

A. DISCARD cartridge in the appropriate waste container

B. RECORD as a deficiency to be totaled for the day on OSR 4-510

C. CONTINUE testing the next cartridge.

5. IF PASS appears, THEN

PLACE the cartridge in the TESTED container for reuse.

6. REPEAT Steps 5.4.2 through 5.4.5 until all respirator cartridges have been tested.

7. PRESS ESC button to return to the main menu screen.

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5.5 Tester Set Up for Respirator Leak Testing

5.5.1 Mounting the Base Plate and Headform on the TSI 8127 Filter Tester for Testing Assembled Respirators

NOTE

A diagram on mounting the Model 8119 on the filter tester is found in Figure 8.6.

1. IF headform is already installed, THEN

PROCEED to Section 5.5.3.

2. REMOVE the bottom filter holder by loosening and removing the mounting screws using an Allen wrench, THEN

REMOVE the filter holder by lifting.

3. OBTAIN the headform base-plate.

4. APPLY silicone grease to the O-ring on the end of the insertion tube, on the bottom of the headform base plate, if needed.

5. NOTICE the large groove in the bottom of the plate.

6. With the headform facing toward the front of the tester, LOWER the headform base plate so the groove SLIDES over the filter-holder plate on the filter tester.

7. ALIGN the large hole in the headform plate with the hole in the filter-tester plate.

8. LOCATE the 5-1/2 inch diameter airflow distribution block.

9. PUSH the insertion tube on the flow distribution block DOWN into the hole in the base plate.

10. MOVE the base plate so the flow distribution block slips into the mounting hole.

11. ATTACH the flow distribution block using the two 2-inch button head screws.

12. PUSH the screws through the holes in the flow distribution block.

13. ROTATE the block so the screws align with the threaded holes in the filter tester plate.

14. TIGHTEN the mounting screws using the 1/8-inch hex wrench to secure both the mounting block and headform base-plate to the filter tester plate.

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5.5.2 Connecting the Aerosol Probe and Flow Tubing

1. CONNECT the probe to approximately 45 inches of 3/16-inch ID clear vinyl tubing.

2. FIND the free end of the tubing, AND

PUSH the end over the barbed aerosol probe connection on the flow distribution block.

NOTE

Aerosol probe and flow tubing can be left attached to head flow connection and flow distribution block when NOT in use.

3. CONNECT the 1/2-inch ID vinyl tubing to the back of the headform and to the head flow connection on the flow distribution block.

5.5.3 Setting Up the TSI 8119 Respirator Leak Tester

NOTE

Use caution when installing the respirator on the headform to prevent hand injury.

1. INSTALL a mask on the headform, AND

PULL the straps tight.

2. SELECT OPTIONS from the Main Menu to set the leak trigger level.

3. SELECT VOLTAGES from the Options Menu.

4. RECORD the Voltage value for the downstream photometer on ISF-REF-003, Voltage Value and Trigger Level Recording sheet.

A. RECORD daily for each machine in use. This is the background photometer signal. The photometer produces this signal when it samples clean air.

5. PRESS ESC to return to the Options Menu.

6. SELECT SYSTEM from Options Menu.

7. SELECT WATCH POINTS from the System Menu.

8. FIND the RESP option in the WATCH POINTS screen.

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5.5.3 Setting Up the TSI 8119 Respirator Leak Tester, (cont.)

9. IF the trigger level is .0004 volts greater than that recorded for the Voltage value, THEN

A. RECORD as the trigger level on ISF-REF-003 for each machine.

B. PRESS ESC to return to the Main Menu.

C. PROCEED to Step 5.5.3.15.

10. IF trigger level in NOT .0004 volts above the Voltage Level for the downstream photometer, THEN

PROCEED to Step 5.5.3.11 to set trigger level.

11. LOCATE AND SELECT the RESP option in the WATCH POINTS screen.

12. ENTER a number which will be the trigger level value for the respirator leak tests. The number entered must be larger than the background value recorded on ISF-REF-003.

A. START by entering a value that is about .0003 volts above the background.

Example:

Background .0003 Add .0003 Test adds .0001 After Saving Trigger Level .0007

B. IF the tester does not add .0001, THEN

ADD .0001 to make the total added to the background equal .0004.

Example:

Background .0003 Add .0004 Trigger Level .0007

13. WHEN entry is complete, THEN

A. RECORD trigger level on ISF-REF-003.

B. PRESS ENTER.

C. PRESS SAVE.

D. SELECT WATCH POINTS.

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5.5.3 Setting Up the TSI 8119 Respirator Leak Tester, (cont.)

Step 13, (cont.)

E. VERIFY machine displays trigger level input.

F. PRESS ESC three times to return to the Main Menu.

NOTE

If you entered the trigger level properly, the Main Menu has changed. "Respirator Test" option will appear in the Main Menu instead of the "Flow Adjustment" option.

14. RETURN to the WATCH POINTS screen in order to have the FLOW ADJUSTMENT option, AND

RESET the RESP to zero.

NOTE

If RESPIRATOR TEST option is not reset to zero main menu will always display

RESPIRATOR TEST.

15. SELECT the RESPIRATOR TEST Option from the Main Menu.

16. FOLLOW screen instructions to close the filter holder using the CLOSE buttons.

17. HOLD close buttons until the screen shown below appears.

A. IF previously in cartridge test configuration, THEN

CONFIRM the following:

Cartridge/Filter Test

Mask Flow 85 lpm for single cartridge or 42.5 lpm for dual cartridge

Probe Pressure 50 mm H2O

Signal Level 0.00033 (example) Volts

B. IF not in cartridge test configuration, THEN

CONFIRM the following:

Respirator Leak Test

Mask Flow 60 lpm

Probe Pressure 50 mm H2O

Signal Level 0.00033 (example) Volts

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5.5.3 Setting Up the TSI 8119 Respirator Leak Tester, (cont.)

18. USE the flow control valve to adjust mask flow through the respirator to 60 lpm (± 3 lpm) once in the RESPIRATOR TEST mode.

5.5.4 Setting the Probe Pressure

1. ENSURE the tubing is attached to both the probe and the fitting on the flow distribution block (see Figure 8.6).

2. OPEN the front access door on the Filter Tester, AND

FIND the valve for the make-up air flowmeter.

NOTE

Probe pressure may be set lower or higher than 50 mm H2O with REF Lead approval.

3. TURN the make-up air valve until the probe pressure is 50 mm H2O on the display, not on the gauge (see Figure 8.5).

4. IF you have problems obtaining the correct probe pressure, THEN

A. CONTACT REF Lead.

B. REQUEST to add extra tubing to the exhaust to increase back pressure.

5.6 Positive Fit Check (MSA, North)

NOTE

When respirator processing is paused (i.e., breaks, meetings, lunch, etc.), the TSI machine does not have to be turned off. Turn off aerosol generator by pressing escape (esc.), options, aerosol off on the display. Restart respirator processing by pressing aerosol on, pressing escape (esc.) twice followed by respirator test then resume testing.

1. OPEN the filter holder

2. PLACE hand completely over the exhalation valve cover blocking all air from escaping the facepiece, AND

OBSERVE the facepiece lift slightly from the headform.

3. IF the facepiece lifts from the headform, the respirator has successfully passed the positive fit check, THEN

PROCEED to Section 5.7.

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5.6 Positive Fit Check (MSA, North), (cont.)

4. IF the facepiece does NOT lift from the headform, THEN

A. REMOVE the exhalation valve cover.

B. PLACE hand completely over the exhalation valve blocking all air from escaping the facepiece.

C. OBSERVE the facepiece to determine if it lifts from the headform.

D. RE-INSTALL the exhalation valve cover.

E. IF the facepiece lifts from the headform, THEN

PROCEED to Section 5.7.

5. IF the facepiece does NOT lift from headform, THEN

A. READJUST respirator on test head.

B. REPEAT Steps 5.6.2 and 5.6.3.

C. OBSERVE the facepiece to determine if it lifts from the headform.

6. IF respirator still does not lift, THEN

A. REMOVE respirator cartridges one at a time.

B. VISUALLY INSPECT that inhalation valves are in place.

7. IF either valve is missing, THEN

A. REPLACE valve(s), AND REPEAT Steps 5.6.2 and 5.6.3, OR

B. MARK with masking tape, AND

PLACE respirator in repair drum or container labeled “TO BE

REPAIRED”.

8. IF both inhalation valves are in place, THEN

ENSURE that the inhalation valves are NOT folded or warped.

9. IF a valve is folded or warped, THEN:

A. UNFOLD OR REPLACE valve, REINSTALL cartridge/filter, AND REPEAT Steps 5.6.2 and 5.6.3, OR

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5.6 Positive Fit Check (MSA, North), (cont.)

Step9, (cont.)

B. MARK with masking tape, AND

PLACE respirator in repair drum or container labeled “TO BE

REPAIRED”.

10. IF valves are in place and do NOT appear to be folded or warped but the speaking diaphragm may be leaking, THEN

A. MARK the speaking diaphragm with masking tape.

B. PLACE in drum or container labeled “TO BE REPAIRED”.

11. IF facepiece lifts from the headform, THEN

A. CLOSE the filter holder.

B. PROCEED to Section 5.7.

5.7 Assembled Respirator Test

NOTE

The probe has a push-button valve on the handle which turns the aerosol flow from the probe ON and OFF. The push button must be continually pressed for the aerosol to flow.

1. GRASP the probe body, AND

PRESS the push-button to release the aerosol stream.

2. VERIFY aerosol is flowing through the probe by:

A. DIRECTING the probe under the respirator seal.

B. PRESSING the push button one to two seconds.

C. NOTE a signal level increase followed by a signal level decrease when the push button is released.

D. IF the increase – decrease is NOT noted, THEN

DISCONTINUE with processing respirators until diagnosis by the REF Lead is completed.

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5.7 Assembled Respirator Test, (cont.)

3. PLACE probe tip within 1/4-inch of mask surface, AND

MOVE probe around area being tested approximately one to two inches per second.

4. PROBE the sealing surface, lens, area behind cartridge receptacles, cartridge and cartridge sealing areas, speaking diaphragm, and exhalation valve using applicable sections.

5. IF no alarm sounds, THEN

A. OPEN AND REMOVE respirator.

B. PLACE the respirator in the “PASS” drum or container.

6. IF alarm sounds, THEN

PROCEED to the section below that is specific to the item alarm sounded for.

(Sections 5.7.1 through 5.7.6)

5.7.1 Sealing Surface

1. IF alarm sounds on sealing surface, THEN

A. RE-ADJUST the facepiece, OR

TIGHTEN the straps being careful not to over tighten.

B. RETEST the sealing surface of the entire facepiece.

2. IF alarm sounds, THEN

REMOVE facepiece, AND

INSPECT it for damage to the sealing surface.

3. IF damage is found, THEN

A. MARK with masking tape “sealing surface damaged”.

B. PLACE in designated area to be cannibalized and removed from

RITS.

C. MARK as deficiency to be totaled on OSR 4-510 at the end of day.

4. IF NO damage is found, THEN

NOTIFY the REF Lead for determination in how to proceed.

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5.7.2 Lens

1. IF alarm sounds on lens, THEN

READJUST respirator on test head, AND

SLOWLY REPROBE.

2. IF alarm sounds again, THEN

MARK the leak with masking tape, AND

PLACE respirator in drum or container labeled “TO BE REPAIRED”.

5.7.3 Area Behind Both Cartridges or Singular Cartridge

1. IF alarm sounds on area behind both cartridges or a singular cartridge, THEN

A. SLIGHTLY TIGHTEN cartridge receptacle by 1/4 turn while holding the inhalation valve seat.

B. RETEST.

2. IF alarm sounds, THEN

REMOVE cartridge receptacle, AND

INSPECT inhalation valve seat for damage.

A. IF inhalation valve seat damage is found, THEN

MARK with masking tape, AND

PLACE in drum or container labeled “TO BE REPAIRED”.

B. IF cartridge receptacle is damaged, THEN

REPLACE with a new one, AND

RETEST.

3. IF second alarm sounds, THEN

MARK the leak with masking tape, AND

PLACE respirator in drum or container labeled “TO BE REPAIRED”.

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5.7.4 Cartridge and Cartridge Sealing Area

1. IF alarm on cartridge or cartridge sealing area sounds, THEN

VERIFY cartridge is NOT cross-threaded.

2. IF cross-threaded, THEN

A. REMOVE cartridge, AND

CHECK the following for dents or damage while cartridge is off.

Inhalation Valve

Inhalation Valve seat

Cartridge

Gasket

Cartridge receptacle

B. RE-INSTALL AND RETEST cartridge.

3. IF second alarm sounds, THEN

REPLACE cartridge with new cartridge.

4. IF third alarm sounds, THEN

MARK cartridge/cartridge sealing area with masking tape, AND

PLACE in drum or container labeled “TO BE REPAIRED”.

5.7.5 Speaking Diaphragm

1. IF alarm sounds at the speaking diaphragm housing, THEN

CHECK for gaps in speaking diaphragm housing, AND

CHECK exhalation valve for dust, lent, and debris or damage.

2. IF alarm continues after checking, THEN

MARK with masking tape, AND

PLACE in drum or container labeled “TO BE REPAIRED”.

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5.7.6 Exhalation Valve

1. IF exhalation valve alarm sounds, THEN

A. REMOVE exhalation valve cover, AND

LIFT valve

B. ENSURE NO dirt, dust, or debris is causing the valve to remain open, AND

REPLACE cover, AND

RETEST.

2. IF alarm sounds on retest, THEN

A. REMOVE cover.

B. REMOVE valve.

C. INSPECT exhalation valve seat for damage.

D. IF seat is NOT damaged, THEN

1) REPLACE valve.

2) REINSTALL cover.

3) RETEST.

3. IF alarm continues after checking, THEN

PLACE masking tape on exhalation valve seat cover, AND

PLACE respirator in drum or container labeled “TO BE REPAIRED”.

4. IF no alarm or all alarms have been resolved, THEN

A. OPEN filter holder, AND

REMOVE respirator.

B. PLACE another respirator on the headform.

C. REPEAT Section 5.6.

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5.8 Tester Shut Down

CAUTION

The filter holder will close when the power is turned off or terminated.

1. TURN the power switch to the OFF position. This will shut down the filter tester.

5.9 Post Performance

1. FORWARD completed OSR 4-510 forms to the REF Lead for evaluation and filing.

6.0 REFERENCES

Hazard Analysis INF-20083

1Q, Quality Assurance Manual, Procedure 15-1, Control of Nonconforming Items

4Q1.7, Procedure 104, Respiratory Equipment Facility Quality Verification

4Q1.7, Procedure 203, Inspection and Repair of Respiratory Equipment

4Q1.7, Procedure 216, Instructions for Inspection and Repair of the MSA Ultra Twin Respirator

4Q1.7, Procedure 218, Instructions for Inspection and Repair of the MSA OptimAir MM2K Respirator Equipped with the MSA Ultravue Facepiece

8Q, Procedure 12, General Site Safety Requirements

OSR 4-510, Respiratory Equipment Record and QA Form

ISF-REF-003, Voltage Value and Trigger Level Recording Sheet

7.0 RECORDS

Records generated as a result of implementing this procedure are maintained in accordance with Manual 1B, Procedure 3.31, Records Management.

OSR 4-510, Respiratory Equipment Record and QA Form

ISF-REF-003, Voltage Value and Trigger Level Recording Sheet

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8.0 ATTACHMENTS

Figure 8.1 Diagram of the Aerosol Generator

Figure 8.2 Diagram of the Power Turn On/Off Switch

Figure 8.3 Diagram of the Main Pressure Regulator, Gauge, and Adjustment Knob

Figure 8.4 Diagram of the Filter Holder and Aerosol Generator Pressure Regulators

Figure 8.5 Diagram of the Make-Up Air Flowmeter and Valve

Figure 8.6 Diagram of Mounting the Model 8119 on the Filter Tester

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FIGURE 8.1

Diagram of the Aerosol Generator

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FIGURE 8.2

Diagram of the Power Turn On/Off Switch

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FIGURE 8.3

Diagram of the Main Pressure Regulator, Gauge, and Adjustment Knob

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FIGURE 8.4

Diagram of the Filter Holder and Aerosol Generator Pressure Regulators

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FIGURE 8.5

Diagram of the Make-Up Air Flowmeter and Valve

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FIGURE 8.6

Diagram of Mounting the Model 8119 on the Filter Tester