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RELY ON THESE RESPIRATORS COULD SUSTAIN SERIOUS PERSONAL INJURY OR DEATH. The warranties made by MSA with respect to the product are voided if the product is not used and serviced according to the instructions in this manual. For any additional information relative to use or repair, write or call 1-800-MSA-2222 during regular working hours.
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QQ- Use in conjunction with personal protective ensem- The C420 PAPR contains a battery and may not be taken bles that provide appropriate levels of protection into or used in atmospheres containing flammable or against dermal hazard.
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19. DO NOT drop the C420 PAPR. If the C420 PAPR is 4. DO NOT alter, modify, or substitute any compo- dropped leave the contaminated area immediately nents.
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INSTRUCTIONS FOR USE AND CARE The C420 PAPR must be properly prepared for use, flow The single use battery may be used up to eight (8) hours tested, properly donned, and a negative pressure leak test under certain conditions. The rechargeable battery may must be conducted in an area known to be free of conta- be used for up to four (4) hours under certain conditions.
An airflow indi- American Conference of Governmental Industrial cator (P/N S-30020) used to check for minimum airflow is Hygienists (ACGIH) provided with the C420 PAPR filtering system. To maintain Occupational Safety and Health Administration respiratory protection: (OSHA) •...
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GENERAL DESCRIPTION See MSA’s Response Respirator Selector for additional Contents information. The C420 PAPR filtering system kit is shipped with the components listed. Technical Information Airflow: When used with the MSA battery packs, the C420 Note: Upon receipt of PAPR kit, inspect the contents for PAPR provides a constant filtered airflow of a minimum of shipping damage and ensure all components are present.
Note: Ensure the belt is properly tightened so that the in the plastic wrap. Failure to follow this warning can C420 PAPR blower does not fall off or slide down the result in serious personal injury or death. body during use.
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Failure to follow this warning can result in serious per- sonal injury or death. Note: The C420 PAPR must be used with two MSA car- 2. Remove the green seal plugs from the outlet and car- tridges of the same type. Refer to the NIOSH Approval tridge mounting ports of the blower assembly.
Failure to verify proper airflow from the blower assem- DO NOT use a C420 PAPR blower with one or both of bly may result in reduced performance of the unit, the gaskets damaged or missing. Failure to follow this resulting in serious personal injury or death.
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3. Attach the breathing The C420 PAPR is now ready for use. The user must fol- tube inlet to the blower low the donning procedures before actual use of the res- outlet connection and pirator.
The user must have practiced this procedure before attempting to Note: The C420 PAPR may be used with either a standard use the respirator for respiratory protection. (PN S-30116) or a long (PN S-30118) breathing tube.
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Note: The user must leave the contaminated area and if necessary, be decontaminated. 1. Remove the breathing tube from the blower. USING THE C420 PAPR 2. Install the airflow indicator (Refer to the Air Flow Test with Cartridges Installed section).
Disposal of Cartridges and Batteries section. DO NOT reuse the cartridges. Cartridges are consid- 3. Clean, inspect, and prepare the C420 PAPR for the ered to be in service when they are removed from next use.
Clean the respirator after each use with wipe the breathing tube and motor-blower clean. Confidence Plus® Cleaner (P/N 10009971) from MSA. 7. Carefully clean the breathing tube connection and car- Refer to the label for use instructions. A solution as effec-...
• The NiMH battery is rechargeable. Follow the instruc- assembly. tions on the battery label or refer to the Charging the C420 Rechargeable Battery section of this manual. • Keep this user’s instruction manual with the complete respirator. TAL 706 (L) Rev. 2 - 10072074...
CHARGING THE C420 RECHARGEABLE BATTERY CHARGING THE C420 RECHARGEABLE BATTERY 4. When the “GREEN/ORANGE” LEDs illuminate, the charger has switched to a “Top-Off Charge” mode, Note: Before initial battery pack use, or if battery pack indicating the battery is nearly fully charged.
Note: Remove the LI-SO2 battery and discharge it pose the battery pack. according to the following instructions. Discharge instruc- 2. NiMH cells contained in the MSA battery pack contain tions are also printed on the battery. recyclable materials. Dispose of or recycle batteries in accordance with all applicable federal, state, and local regulations.
RECERTIFICATION RECERTIFICATION MSA recommends the C420 PAPR be recertified by MSA every three years. A re-certification consists of blower assembly inspection, main seal and filter gasket replace- ment, and a system performance verification check. WARRANTY Mine Safety Appliances Company MERCHANTABILITY OR OF FITNESS FOR A PARTIC- General Express Warranty and Terms of Sale ULAR PURPOSE.
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