Harbor Freight Tools 47996 User Manual

WELDING HELMET  
AUTO-DARKENING  
47996  
ASSEMBLY AND OPERATING INSTRUCTIONS  
Important: Read and understand the entire manual before using the  
welding helmet.  
3491 Mission Oaks Blvd., Camarillo, CA 93011  
Copyright © 2002 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.  
For technical questions and replacement parts, please call 1-800-444-3353  
REV 05/05  
designed. Do not modify this tool and do not use this tool for a purpose for which it was  
not intended.  
7.  
8.  
Dress properly. Do not wear loose clothing or jewelry as they can be caught in moving  
parts. Protective, electrically non-conductive clothes and non-skid footwear are  
recommended when working. Wear restrictive hair covering to contain long hair.  
Use eye and ear protection. Always wear ANSI approved impact safety goggles.Wear  
a full face shield if you are producing metal filings or wood chips.Wear an ANSI approved  
dust mask or respirator when working around metal, wood, and chemical dusts and mists.  
When welding, use the Auto Darkening Welding Helmet.  
9.  
Do not overreach. Keep proper footing and balance at all times. Do not reach over or  
across running machines.  
10. Stay alert. Watch what you are doing, use common sense.Do not operate any tool when  
you are tired.  
11. Check for damaged parts. Before using any tool, any part that appears damaged should  
be carefully checked to determine that it will operate properly and perform its intended  
function. Check for alignment and binding of moving parts;any broken parts or mounting  
fixtures;and any other condition that may affect proper operation.Any part that is damaged  
should be properly repaired or replaced by a qualified technician.  
12. Replacement parts and accessories. When servicing, use only identical replacement  
parts. Use of any other parts will void the warranty. Only use accessories intended for  
use with this tool. Approved accessories are available from Harbor Freight Tools.  
13. Do not operate tool if under the influence of alcohol or drugs. Read warning labels  
on prescriptions to determine if your judgment or reflexes are impaired while taking drugs.  
If there is any doubt, do not operate the tool.  
14. Maintenance. For your safety, service and maintenance should be performed regularly  
by a qualified technician.  
Warning:The warnings, cautions, and instructions discussed in this instruction manual  
cannot cover all possible conditions and situations that may occur. It must be under-  
stood by the operator that common sense and caution are factors which cannot be  
built into this product, but must be supplied by the operator.  
Helmet Safety Warnings and Precautions  
Remove the protective film from both sides of the new cover lens.  
1.  
2.  
3.  
Use this helmet for eye and face protection against harmful rays, sparks and splatter  
generated during welding and cutting operations.  
Always have the clear plastic protection cover over the filter lens. Failure to do so could  
result in damage to the filter lens.  
The protection cover and lens in this helmet are breakable. They will not protect against  
some impact hazards, such as fragmenting grinding wheel, abrasive discs fragments, or  
corrosive liquids. Machine guards or other devices must be used where these hazards  
exist.  
4.  
Before each use, inspect the helmet and lens carefully.Cracked or scratched filter lenses  
or clear plates impair vision and seriously reduce light filtering and impact protection.  
SKU 47996  
Page 3  
Repair or replace damaged components immediately. Replace the two AAA backup  
batteries often.  
5.  
6.  
Be sure the welding filter shade setting is correct for your application.  
Test the helmet auto-darkening filter lens before welding.While wearing the helmet, briefly  
strike an arc, keeping your face and eyes turned slightly away from the arc, and to one  
side. The lens should darken even when not directly facing the arc. If it does not darken  
after repeated tests, replace the lens filter.  
7.  
8.  
Impact resistant eye protection such as safety glasses or goggles must be worn at all  
times when using this helmet.Wear ear protection.  
Avoid exposing the Auto Darkening Lens unit to high temperature.  
WARNING:This product is used with welding or similar applications that produce  
chemicals known to the State of California to cause cancer and birth defects (or  
other reproductive harm).  
(California Health & Safety Code 25249.5 et seq.)  
Unpacking  
When unpacking, check to make sure the following parts are included: Welding Helmet  
with Filter Lens. If any parts are missing or broken, please call Harbor Freight Tools at the  
number on the cover of this manual as soon as possible.  
Operation  
WARNING: Do not use the Auto Darkening Welding Helmet if the lens does not auto-  
darken. Severe eye damage or blindness can occur when welding. Always verify that  
the helmet is functioning before use. Remove the backup batteries and check monthly  
with a multimeter that each one is 1.5 volts. Replace batteries every three months whether  
they are good or not.  
REV 03/04  
REV 05/04  
SKU 47996  
Page 4  
WARNING:This Helmet does not provide protection for LASER AND OXYHYDROGEN  
welding.  
1.  
2.  
3.  
4.  
5.  
6.  
Verify that the batteries are good.  
Turn the helmet over and adjust the Shade Knob to the desired shade (9 ~ 13).  
Push the Switch Button to turn the lens on and open the window.  
Adjust the helmet Side Knobs for a proper fit. Tighten the Lens Clamp Screws.  
Put on a pair of safety glasses first, then the helmet.  
While looking to one side, strike an arc briefly (see # 6 above).  
Check to see if the welding filter lens went dark. If it did, the auto-darkening function is  
working. Continue arc welding. When finished, the lens filter will turn off automatically.  
Maintenance  
Replacing Batteries  
1.  
2.  
Turn the Helmet over to expose the inside.  
Remove the Battery Cover. Lift the right side of the battery cover and pop it out.  
Shade Control  
On / Off Button  
AAA Battery Compartment  
Battery Compartment Cover  
3.  
4.  
Remove two batteries from the battery compartment.  
Place both new batteries negative side (left) into the battery compartment.  
The batteries should be completely clean of grease and dirt.  
5.  
Replace the Battery Compartment Cover, left side first, then push in the right side until  
it snaps into place.  
General  
1.  
2.  
Use a clean, soft cloth to clean the Lens Filter. Do not use water or cleaning liquids.  
Store the helmet in a cool and dry location.  
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Page 5  
Replacing the Lens Cover  
Lift the Lens Cover and remove the clear plastic. Replace it when it becomes scratched,  
cracked, or pitted, and cannot be cleaned.  
Removing the Lens  
1.  
2.  
Turn the Helmet over to view the Lens from the inside.  
Unscrew the two Lens Unit Screw Clamps (10). Pull it out from the inside.  
Troubleshooting  
The following lists possible causes for non operation:  
1.  
2.  
3.  
4.  
5.  
6.  
Batteries are not inserted correctly.  
Battery Cover not completely secure.  
Batteries are dead.  
On / Off Button was not pressed on.  
Solar Cells are damaged. Replace Lens Filter unit.  
Lens Filter is cracked. Replace Lens Filter unit.  
Parts List  
Item #  
Description  
Front Cover Protective Lens  
Auto Darkening Lens Unit  
Helmet Shell  
Qty  
1
1
2
1
3
1
4
Headband  
1
5
Knob  
1
6
Round Washer  
1
7
Metal Washer  
2
8
Limitation Washer  
Hinge Screw  
1
9
2
10  
Lens Unit Screw Clamps  
2
NOTE:Some parts are listed and shown for illustration purposes  
only and are not available individually as replacement parts.  
PLEASE READTHE FOLLOWING CAREFULLY  
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDEDTHE PARTS DIAGRAM INTHIS MANUAL  
AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY  
REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO  
MAKE ANY REPAIRSTOTHE PRODUCT ORTHAT HE OR SHE IS QUALIFIEDTO REPLACE ANY PARTS  
OFTHE PRODUCT. IN FACT,THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATESTHAT  
ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED  
TECHNICIANS AND NOT BYTHE BUYER.THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT  
OF HIS OR HER REPAIRSTOTHE ORIGINAL PRODUCT OR REPLACEMENT PARTSTHERETO, OR ARISING  
OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTSTHERETO.  
SKU 47996  
Page 6  
Assembly Drawing  
(3)  
(2)  
(10)  
(4)  
(1)  
(7)  
(9)  
(5)  
(6)  
(9)  
(5)  
(7)  
(8)  
(9)  
(9)  
(8)  
(7)  
(7)  
(5)  
(5)  
(6)  
SKU 47996  
Page 7  

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