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For technical questions, please call 1-888-866-5797.

Item 63121 
        

MAINTENANCE AND SERVICING

  Procedures not specifically explained 

in this manual must be performed 
only by a qualified technician.

TO PREVENT SERIOUS INJURY FROM TOOL FAILURE: 
Do not use damaged equipment.  If abnormal noise or vibration 
occurs, have the problem corrected before further use.

Lens and Helmet Maintenance

Replace the Front Lens Cover if it is 

damaged (cracked, scratched, soiled or pitted).

1. 

To Replace the Cover:

a.  Remove the Front Lens Cover by gently 

pulling up the central part of the Lens.  
See Figure D.  If the unit has a frame over 
the front of the lens, lift up on the tab at the 
bottom of the frame to access the lens cover.

b.  Remove the protection film from both sides of 

the new Lens if it comes with a film covering.  
Place the new Lens into place by bending it 
slightly and sliding it between the tabs at each 
side of the lens until it snaps into place.

c.  Make sure that the Lens is securely installed.  

If the unit has a frame, make sure that the 
frame is snapped securely into place.

2. 

Clean the Filter Lens

 with a clean 

lint-free tissue or cotton cloth.

3. 

Do not immerse

 the lens in water or 

any other liquid.  Do not use abrasives, 
solvents or oil based cleaners.

4. 

Do not remove

 the Auto-Darkening 

Filter from the Auto-Darkening Welding 
Helmet.  Do not try to open the Filter.

5. 

Storage temperature: - 4° to 158° F.

Figure D 

SAFETY

OPERA

TION

MAINTENANCE

SPECIFICA

TIONS

Summary of Contents for 63121

Page 1: ...eference 20g When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 888 866 5797 as soon as possible Copyright 2020 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools Diagrams within this ma...

Page 2: ...ential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death Indicates a hazardous situation which if not avoided will result in death or serious injury Indicates a hazardous situation which if not avoided could result in death or serious injury Indicates a hazardous situation which if not avoided could result in minor or moderate injury Address...

Page 3: ...lowed in the work area Do not let them handle this helmet Dress properly Do not wear loose clothing or jewelry Keep your hair clothing and gloves away from moving parts 5 Store idle equipment When not in use helmets must be stored in a dry location to inhibit rust Always lock up helmets and keep out of reach of children 6 Dress properly Do not wear loose clothing or jewelry as they can be caught i...

Page 4: ... or helmet components Protect filter from liquid and dirt contact Do not immerse the filter in water b Should the Auto Darkening Welding Helmet not darken upon striking an arc stop welding immediately and have the helmet checked by a qualified service technician c Regularly replace the Front Lens Cover if it becomes cracked scratched pitted or otherwise damaged d Do not make any modifications to e...

Page 5: ...stment Min Max adjustable Grinding Mode Transforms helmet to grinding shield without shade flickering Power ON OFF Fully Automatic Shell Material High Impact Resistant Plastic Polyamide Nylon Storage Temperature 4 to 158 F Features Ratcheting headband with replaceable padded sweatband 2 independent arc sensors which reduce the risk of blocked sensors during out of position welding variable Shade C...

Page 6: ...racked or pitted parts should be replaced immediately before using again to avoid severe personal injury Figure A Shade Number and Grinding Mode Selection 1 Select the shade number required see Shade Guide Chart on the previous page by turning the Shade Control Knob Be sure that the shade number of the Welding Helmet is the correct shade number for your application Note If a selection of shades ar...

Page 7: ...act Dark to Clear Adjustment Knob Adjusts the speed the lens changes Minimum 0 1 seconds Maximum 0 9 seconds Sensitivity Adjustment Knob Adjusts the amount of light needed to activate the lens to darken ANSI Z87 1 2010 Variable Shade 4 9 13 Item 61610 63121 Figure C Solar Cells This Welding Helmet utilizes high performance solar cells as its power supply and has a built in 3V lithium battery as po...

Page 8: ...ange the cover b Sensors are soiled clean surface of the sensors c Welding current is too low turn Sensitivity Adjustment Knob to the MAX position if necessary 3 Slow Response a Operating temperature is too low do not use at temperatures below 14 F 4 Poor Vision a Front Inside Lens Cover and or Filter soiled change it b Insufficient ambient light c Shade number is incorrectly set reset shade numbe...

Page 9: ...nt of the lens lift up on the tab at the bottom of the frame to access the lens cover b Remove the protection film from both sides of the new Lens if it comes with a film covering Place the new Lens into place by bending it slightly and sliding it between the tabs at each side of the lens until it snaps into place c Make sure that the Lens is securely installed If the unit has a frame make sure th...

Page 10: ...LL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO Parts List Part Description Qty 1 Front Lens Cover 1 2 Shell Welding Mask 1 3 Tension Adjustment Knob 2 4 Auto Darkening Filter 1 5 Inside Lens Cover 1 6 Lens Retaining Frame 1 7 Lens Retaining Frame Screw 2 Part Descrip...

Page 11: ...Page 11 For technical questions please call 1 888 866 5797 Item 63121 Assembly Diagram 9 3 2 1 4 5 6 7 10 11 12 8 13 SAFETY OPERATION MAINTENANCE SPECIFICATIONS ...

Page 12: ...lusion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an expl...

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