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7. 3M recommends against using organic solvents, cleaners that leave a residue or objectionable odor, or materials the remnants of which may result in harm to the wearer. It is the responsibility of the employer to ensure appropriate cleaning chemicals are us ed which do not damage the TR - 600 system or cause harm to the wearer. FOR MORE INFORMATION ON 3M PRODUCTS United States Canada For other 3M products: For other 3M products: 1 - 800 - 3M - HELPS or 1 - 651 - 737 - 6501 1 - 800 - 364 - 3577 3M Personal Safety Division 3M Center, Building 0235 - 02 - W - 70 St. Paul, MN 55144 - 1000 3M™ and Versaflo™ are registered trademarks of the 3M Company, and used under license by 3M Canada. ©3M 20 1 5

5. Wearing in Decontamination Shower The TR - 6 00 PAPR when assembled as a system with headgear and a breathing tube can be worn t hrough a decontamination shower. While in use the TR - 6 00 PAPR has an International Protection or Ingres s Protection (IP) rating of IP54 (EN 60529: 1992). The IP5 4 rating indicates the unit is protected against infiltration of dusts and water splash that would int erfere with normal operation. The water ingress test parameters for IP54 is 5 minute test duration at a water volume of 10 liters per minute and water pressure of 80 - 100 KPa. When going through a decontamination shower, the TR - 6 00 PAPR should be in the v ertical (upright) position as worn around the waist. 3M does not recommend a TR - 600 PAPR mounted on the BPK - 01 backpack be worn through a decontamination shower. It is preferred the unit remain running during the decontamination shower, however, it can be turned off if required. The motor/blower unit without a breathing tube attached cannot be taken through a decontamination shower as water may enter the motor/blower unit through the air outlet. If the user removes their headgear, ensure the breathing tube remains attached and allowed to dangle towards the floor to ensure water does not ente r the breathing tube or the motor/blower unit. After going through the shower ensure all outer surfaces are wiped off before disassembling the system. All system components should be thoroughly dry before storage or next use. STORAGE Motor/Blower Store in a clean, contaminant free environment, protected from prolonged exposure to heat, sunlight, radiation and chemicals. For prolonged storage, the motor/blower should be run at least once per year for 5 minutes to ensure continued proper lubrication of th e motor. Note: Respirators used for emergency purposes must be inspected monthly per OSHA 29CFR1910.134. This should include running the motor/blower. Filters and Filter Accessories HE f ilter, prefilter, and spark arrestor/prefilter should be stored at temperatures and conditions similar to the motor/blower. Store the filter and spark arrestors in the original 3M packaging until ready for installation in the motor/blower. HE filters should not be stored long - term on the motor/blower as this may damage th e filter gasket. HE filters have a shelf life of 5 years when stored in their original packaging. Battery pack Refer to t he TR - 6 00 Chargers and Battery Packs User Instructions and Technical Data Bulletin 223 Battery Maintenance for 3M™ Versaflo™ Respirators for additional information. Battery packs should be charged immediately and fully upon receipt. The battery should be fully recharged after each use and at least every 9 - 12 months. Recommended storage conditions: - 22º F ( - 30º C) to 122º F (50º C); Optimal: 59º F (15º C). Dry conditions, relative humidity < 85%. The battery pack may remain connected to the charger for an extended period of time. However, for long - term storage, to maximize battery pack life, 3M recommends storing the battery pack off the charger at approximately 40% charge as shown by the battery pack charge indicator. The battery pack should be disconnected from the motor/blower during storage.

3. Headgear  Inspect headgear based on the headgear specific User Instructions. CLEANING The TR - 6 00 should be cleaned regularly. Follow the hygiene practices established for your worksite for the specific contaminants to which the respirator assembly has been exposed. Motor/blower unit and battery pack  Do not use organic solvents (i.e. toluene, pai nt thinner) or abrasive cleaners as they may weaken and damage the plastic. Do not use cleaners that leave a residue. Do not allow liquid to enter the air inlet port or breathing tube port.  Do not use compressed air or a vacuum to clean the interior of the motor/blower. This can damage the motor/blower.  Use caution when cleaning around the battery pack connector pins where the battery seats on the bottom of the motor/blower unit to avoid pins from bending or breaking . Ensure this area and the pins are thoroughly dry before next use or storage. Wipe down cleaning The outer surfaces of the TR - 6 00 motor/blower assembly and battery pack may be wiped with a soft cloth dampened in a solution of water and mild, pH neutral detergent. In general, many commonly used water - based hard - surface cleaners may also be used that will not damage the PAPR system. See Table 1 for a list of tested cleaners and their effects. Submersion cleaning With the blower inlet and outlet plugs installed the TR - 6 00 PAPR has an International Protection or Ingress Protection (IP) rating of IP67 (EN 60529: 1992). The TR - 600 batteries also have an IP67 rating. The IP67 rating indicates the unit is protected against infiltration of dusts and water that would in terf ere with normal operation when immersed in water up to 1 meter (3 feet) for up to 30 minutes. However, best practice would be to limit immersion to the shallowest depth and shortest time required for effective cleaning. If submersion cleaning is desired , remove the filter/cartridge and breathing tube. To minimize material falling onto the motor/blower, remove the filter/cartridge and breathing tube while each of those connections are facing downward. Attach the air inlet and air outlet cleaning and stora ge plugs (3M™ Cleaning and Storage Kit TR - 6 53) into the TR - 600 (see Fig 1 ). The TR - 600 can now be rinsed under running water, submersed , or put in a respirator washer for further cleaning. Water temperature should not exceed 122°F (50°C). Blowers which hav e been dropped or damaged should not be immersed or put into a res pirator washer due to potential water ingress, and subsequent damage to the system. Figure 1 – Installing the inlet and outlet plugs from the TR - 653 Cleaning and Storage Kit Batteries, including the electrical connectors, can be easily wiped down. If submersion cleaning is desired, the battery stra p from the TR - 653 Cleaning and Storage Kit should be installed. Momentary wetness of the electrical connectors will not damage the battery. Do not allow free liquid to reside on the connectors. Ensure the connectors are dry prior to storage. Batteries which have been dropped or damaged should not be imme rsed or put into a respirator washer du e to potential water ingress, and subsequent damage to the battery.

4. Figure 2 – Installing the battery strap from the TR - 653 Cleaning and Storage Kit The plug gaskets and battery strap should be inspected for damage and wear prior to each use. Worn or damaged gaskets must be replaced. Washing the TR - 600 while using damaged plug gaskets may cause damage to the TR - 600 and void the warranty. Plug g askets should be replaced every 30 uses or yearly , whichever comes first, to minimize use of worn gaskets. Filters and Filter Accessories  The HE filter and foam prefilter (if used) cannot be cleaned. Attempts to clean the filters may damage them and in the case of the HE filter allow particulates to enter the respirator and the user’s breathing zone. Damaged filters or filters beyond their useful life should be replaced.  The metal spark arrestor/pr efilter may be cleaned with a mild, pH neutral cleaner. Dry thoroughly before next use or storage. If the spark arrestor/prefilter cannot be cleaned, it should be replaced. Breathing Tube  Clean the connection sites on the breathing tube with the water an d detergent solution. The breathing tube can be immersed in water for cleaning if required. The inside of the tube must be completely dried prior to use or storage.  Air dry, or dry by connecting to the motor/blower unit and use it to force air through the tube until dry. Orient tube to prevent water from running into blower.  Optional plastic breathing tube covers (BT - 922) may also be used to facilitate cleaning. Headgear Clean headgear based on the headgear specific User Instruction and cleaning guides . Belt  Remove the belt from the motor/blower by lifting the bottom of the belt over the belt locking tabs and sliding the belt down.  The 3M™ Easy Clean Belt TR - 627 is made of plastic buckles, vinyl urethane leads, and a hip belt with a non - porous outer material and closed cell foam inner material that can be wiped down or submersed in a soapy water solution.  The 3M™ High Durability Belt TR - 626 is made of metal buckles, leather leads and a hip belt with a durable rubber outer material and closed c ell foam inner. The leather leads can be cleaned with a leather cleaner. The hip belt can be cleaned with a soapy water solution.  Wipe or rinse all belts thoroughly and dry completely before next use.  To prevent damage to the belt (such as delamination) d o not clean or dry the belt at temperatures above 122º F (50º C). It is not recommended to clean the belts in mechanically agitating washing machines or tumble dryers as damage may occur. Battery Charger  If the charger pins are dirty, gently remove the deb ris with a clean, dry, lint - free cloth.  If the charger pins become wet, dry quickly and ensure they are dry prior to use.

1. TECHNICAL DATA BULLE TIN #22 2 CLEANING , INSPECTION AND STORAGE OF THE 3M™ VERSAFLO™ PA PR TR - 600 Consult the TR - 600 User Instructions for general system operation. Published: July 2015 Rev 1: Replaces all previously published Bulletins on this topic until superseded. The following Technical Data Bulletin is for reference purposes only. Before using the TR - 600 PAPR, all users must r ead and understand the respecti ve product’s User Instructions . If you have questions, consult your supervisor or call 3M Technical Service at 1 - 800 - 243 - 4630 (USA) or 1 - 800 - 267 - 4414 (Canada). INTRODUCTION The 3M TM Versaflo™ TR - 6 00 Powered Air Purifying Respirator (PAPR) assemblies are designed to be used with certain 3M breathing tubes and headgear to form a complete respirator system. Occupational use of respirators must be in compliance with applicable health and safety standards. By United States regulation , e mployers must establish a written respirator protection program meeting the requirements of the Occupational Safety and Health Administration (OSHA) Respiratory Protection standard 29 CFR 1910.134 and any applicable OSHA substance specific standard. OSHA 1910.134 states that employers shall ensure that respirators are inspected, cleaned, and properly stored. This Technical Data Bulletin will review the 3M recommended cleaning procedures as well as inspection and storage guidelines for the 3M TM TR - 6 00 PAPR assemblies . Refer to the TR - 6 00 PAPR User Instructions as well as the User Instructions for your specific headgear for proper assembly, use and limitations of your specific respirator system. INSPECTION The 3M™ TR - 6 00 PAPR must be inspected before each u se to ensure good operating condition. Detach the belt, battery pack, breathing tube, headgear, filter cover, filter, and prefilter or spark arrestor/prefilter (if used) from the motor/blow er. If any damage, non - functionality, or signal observations as no ted below are discovered during the inspection, remove PAPR s ystem from use and service or replace as appropriate. The 3M™ Versalfo™ TR - 600 Series Parts and Accessories exploded view poster may be helpful for identifying components ( Motor/blower Note: Except for removing the filter cover, filter/cartridge, efficiency filter, and prefilter or prefilter/spark arrestor , and filter latch assembly, the main housing of the motor/blower cannot be opened and has no user serviceable parts.  T he main housing or case of the motor/blower unit must be intact with no cracks, holes, or other damage. The plastic should not be discolored, chalky, or soft as these may be signs of deterioration of the housing.  The area of the motor/blower unit under th e filter should be cle an and free of contaminants.  The u ser interface ( motor blower display) should be clean. All LED segments should be lit and clearly visible during initial start - up of the motor/blower. Excessive build - up of materials on the display m ay mask a visual alarm from the wearer. The ON/OFF and flow control buttons should be intact with no cuts, tears or holes.

2.  The filter release button should function smoothly and hold the filter/cartridge securely onto the motor/blower.  (If used), the filter cover should sit securely onto the filter/cartridge.  The outlet of the motor/blower (i.e. where the breathing tube attaches) should be inspected for any damage, dirt, debris, or other contamination which may interfere with proper attachment of the breathing tube.  The belt attachment T - bars on the back of the motor/blower should be intact and undamaged.  Check the airflow using the TR - 971 airflow indicator as described in the TR - 600 User Instructions or in Technical Data Bulletin #221 – Conducting Ai rflow Check on the 3M™ Versaflo™ PAPR TR - 600.  Check the low airflow alarm by fully covering the airflow outlet indicator as described in the TR - 600 User Instructions or in Technical Data Bulletin #221 – Conducting Airflow Check on the 3M™ Versaflo™ PAPR TR - 600. Filters and Filter Accessories  The filter cover must be intact with no cracks or other damage.  The filter/cartridge should be intact with no cracks, tears or other damage. Closely inspect filter/cartridge plastic housing including the corners and latches, outer rectangular barrier, and inner circular filter seal gasket for cracks, tears, cuts, distortion, indentations or debris. If the filter/cartridge has been mishandled or dropped, re - inspect fully. If you have any concerns, contact 3M Technical Service for guidance.  If the filter is wet or appears heavily loaded with particulate or damaged , it should be replaced. Never attempt to clean the filter by any means as intentional manipulation can easily damage the filter media .  The prefilter (if used) should be intact with no tears or cuts. If the filter is wet or appears heavily loaded with particulate, it should be replaced. Use of the prefilter and frequent change out may help prolong the life of the HE filter and help maximize battery pack run ti me .  The metal spark arrestor/prefilter (if used) should be clean and intact with no damage. Frequent cleaning or change out of the spark arrestor may help prolong the life of the HE filter and help maximize battery pack run time . The spark arrestor must be used during hot work, molten metal or spark creating operations. Battery Pack  Inspect the battery pack for cracks, holes or other damage. The plastic case should not be discolored, chalky, or soft. These may be signs of deterioration of the battery h ousing.  Battery pack electrical contacts should be clean and dry with no corrosion.  Battery pack hinge should be intact with no damage or erosion.  Battery pack release button should move freely and function properly.  Attach the battery pack to the motor/ blower and gently tug on the battery pack to confirm it properly attaches, and the battery pack is being held firmly in place.  When pushing the “Test” button on a fully charged battery pack, on a new battery all five LEDs should light up. On an aged battery l ess than five LEDs may light up even if the battery is fully charge d . At a certain point the battery may need to be replaced. For additional battery information, see Technical Data Bulletin #223 – Battery Maintenance for 3m™ Versaflo™ Respirator S ystems. Belt  Inspect the belt buckle for damag e such as breaks or cracks. I nspect the belt leads for cuts and tears. Inspect the hip belt for tears and integrity. Battery Charger  Inspect the power base and cradle for cracks or other damage.  Inspect the power cord for frayed wires or other damage.  Ensure the gold electrical contacts are clean , dry and free of debris.  Gently push on each of the gold contact pins. They should easily push down and quickly pop back up.  Ensure the charger tray is clean, dry an d free of debris.

6. Table 1 - Tested Cleaners and Observed Effects Cleaning Chemical Obs erved Damage to Material After Indicated Number of Wipes 50 100 150 200 10% detergent and distilled water none none none none 70% IPA none none none none 0.5% bleach none none none none 3M 504 clean cloth none none none none 3M respirator Washer (Georgia Steel Respirator washer and chemicals none none none none 3% Hydrogen Peroxide none none none none 3M Neutral Cleaner none none none none Windex ® (product of S.C. Johnson & Son inc.) none none none none 3M TB Quat Disinfectant none none none none 3M HB Quat Disinfectant none none none none 3M Sanitizer #16 Disinfectant none none none none 10% Ammonia none none none none Stoko ® Kresto ® Quick Wipes (product of Stoko company) none none none none RS Anti - Static Cleaner (product of RS Components Ltd.) none none none none Oxyvir ™ TB (product of Sealed - Air Company) none none none none 100% Ethanol none none none none Sani - Cloth® AF3 Germicidal Disposable Wipe (product of PDI Inc.) none none none none Acetone Light Wear Light Wear Light Wear Light Wear Toluene Moderate Wear Heavy Wear Heavy Wear Heavy Wear n - hexane none none none none Mineral Spirits none none none none Lacquer Thinner Light Wear Moderate Wear Heavy Wear Heavy Wear MEK Moderate Wear Moderate Wear Moderate Wear Moderate Wear Heptane none none none none NAPTHA none none none none Cleaning Chemical Evaluation Test Method Many different chemicals and families of chemicals have been tested on the TR - 600 system by 3M, the results of which are listed in Table 1 – Tested Cleaners and Observed Effects. The test results are based on physical damage to the unit. Additional cleaners can be tested using the method described below while observing for damage to the system.  Test every unique material of the system which wil l be cleaned by the chemical.  Apply a sufficient amount of the chemical to saturate a clean, soft, white, cleaning cloth.  While ensuring the cleaning cloth remains saturated, repeatedly wipe the same lo cation 200 times, checking for damage every 50 wipes. Also observe t he cloth for evidence of degradation of the unit, such as discoloration or material buildup on the cloth.  Completing this test with no evidence of degradation to the unit supports its use as a cleaner.


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