Lincoln Electric K4886-1 General Cleaning Manuallines Download Page 2

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fabrication methods and service requirements. 

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THE LINCOLN ELECTRIC COMPANY

22801 St. Clair Avenue • Cleveland, OH • 44117-1199 • U.S.A.

Phone: +1.216.481.8100 • www.lincolnelectric.com

 MC20-126

 Issue Date 12/20   

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3. 

Set the blower unit vertically, and open the 

filter cover. Remove the pre-filter and particle 

filter in order and put them into medical 

plastic bags and discard. After removing the 

filters, install the blower cleaning covers over 

the white area inside the blower and the hose 

connection outlet. 

4. 

Soak the filter cover in 1000mg/L chlorine 

disinfectant for 30 minutes. 

a. 

Note: Please follow the disinfection 

instructions formulated by your 

organization and/or local regulatory 

authorities for the target microorganism or 

corona virus. 

5. 

Clean the surface of the blower unit and the 

particle filter installation area three times by 

using the medical gauze soaked with chlorine 

disinfectant (0.5%).

6. 

Remove the battery, and clean the battery 

(including the connection area between the 

battery and the blower unit) three times by 

using the medical gauze soaked with chlorine 

disinfectant (0.5%). 

a. 

Please clean the contacts on the bottom of 

the battery carefully. Make sure the area is 

completely dry before next use or storage.

7. 

Dip the neutral (PH6-8) cleaner to wipe all 

parts repeatedly and evenly, and use the 

clean water to wipe the remaining liquid of 

the cleaner.

8. 

Put the disinfected blower unit and battery 

into a disposable medical plastic bag, dry 

them in a pollution-free area, and remove 

both blower cleaning covers.

IMPORTANT NOTICE:

•  Soaking any parts of the blower unit is 

prohibited.

•  Insure all components are dry prior to reuse 

or storage.

•  Reassemble unit as described in the product 

Operator’s Manual.

•  After cleaning, the PAPR Blower Unit and 

headgear should be inspected following 

the inspection procedures in the Operator’s 

Manual for that item.

Air Hose Disinfection

The Clear Shield Hood PAPR Air Hose can be 

cleaned by following the steps below:

1. 

Remove the air hose cover, and put it into 

disposable medical plastic bag and discard. 

2. 

Soak the air hose is 1000mg/L chlorine 

disinfectant for 30 minutes. 

a. 

Note: Please follow the disinfection 

instructions formulated by your 

organization and/or local regulatory 

authorities for the target microorganism or 

corona virus. 

3. 

Dip the neutral (PH6-8) cleaner to wipe the 

air hose and use clean water to wash off the 

remaining liquid of the cleaner.

4. 

Put the disinfected air hose into a disposable 

medical plastic bag and dry them in a 

pollution-free area. Or, connect the air hose 

with the blower unit, and turn on the blower 

unit to dry the air hose.

IMPORTANT NOTICE:

•  Inspection of blower assembly and breathing 

tube after each use is good practice. 

•  Replace breathing tube if damaged or if inside 

of tube is dirty.

•  Replace damaged or dirty air filters. 

Filters cannot be washed or cleaned with 

compressed air. Never reuse a dirty air filter.

• 

DO NOT

 immerse the battery pack during 

cleaning. 

•  Use caution when cleaning around the 

battery pack connector pins on the bottom of 

the motor/blower. It is critical not to bend or 

break the pins.

•  Ensure the battery pack and the connector 

pins are thoroughly dry before next use or 

storage. It is critical not to bend or break the 

pins.

•  Ensure all components are dry prior to reuse 

or storage.

•  Follow your facility’s protocols for proper 

disposal of cleaning equipment and solutions.

•  Read and follow all steps set forth in the Clear 

Shield Hood PAPR Unit Operator’s Manual.

Lincoln’s Clear Shield PAPR system is approved by NIOSH for protection against particulates at a high efficiency filtration level, and is currently authorized by an Emer-
gency Use Authorization (EUA) issued by the U.S. Food and Drug Administration (FDA) for use in healthcare settings by healthcare personnel when used in accordance 
with Centers for Disease Control and Prevention (CDC) recommendations to prevent wearer exposure to pathogenic biological airborne particulates during respirator 
shortages resulting from the COVID-19 outbreak. However, Clear Shield is not intended to be used as a medical device in healthcare surgical settings or in the presence 
of a high intensity heat source or flammable gas, and has not been cleared by the FDA other than as stated in the EUA. 

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