Vulcan-Hart ARC SAFE 63749 Assembly instructions

!"#"$%&'(%)*+#"$*%,$-%.$$/-00)))1.,(+&(2(*"3.$14&5
%65,"7%&'(%$*4.8"4,7%#'//&($%,$-%/(&9'4$#'//&($:.,(+&(2(*"3.$14&5 63749
Owner’s Manual & Safety Instructions
Save This Manual%Keep this manual for the safety warnings and precautions, assembly,
operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the
back of the manual near the assembly diagram (or month and year of purchase if product has no number).
Keep this manual and the receipt in a safe and dry place for future reference. 17f
When unpacking, make sure that the product is intact
and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
Copyright© 2017 by Harbor Freight Tools®. All rights reserved.
No portion of this manual or any artwork contained herein may be reproduced in
any shape or form without the express written consent of Harbor Freight Tools.
Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein.
Tools required for assem bly and service may not be included.
;*,9%$."#%5,$*(",7%+*2&(*%'#"83%$."#%/(&9'4$1%
<,"7'(*%$&%9&%#&%4,8%(*#'7$%"8%#*("&'#%"8='(>1%
?@!6%ABC?%D@EF@G1

Page 2 <&(%$*4.8"4,7%H'*#$"&8#I%/7*,#*%4,77%JKLLLKLMMKNOPO1 Item 63749
?@<6AQ RS6;@ACRE D@CEA6E@ET6?S6TC<CT@ACRE?
A,+7*%&2%T&8$*8$#
Safety ......................................................... 2
Specifications ............................................. 4
Operation .................................................... 6
Maintenance and Servicing ........................ 9
Parts List and Diagram .............................. 11
Warranty .................................................... 12
U@;ECEV%?QDWRG?%@EX%X6<CECACRE?
This is the safety alert symbol. It is used to alert you to potential
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.
Addresses practices not related to personal injury.
CDSR;A@EA%?@<6AQ%CE<R;D@ACRE
U.*8%'#"83%.*75*$I%+,#"4%#,2*$>%/(*4,'$"&8#%#.&'79%,7),>#%+*%2&77&)*9%$&%
(*9'4*%$.*%("#Y%&2%/*(#&8,7%"8='(>%,89%9,5,3*%$&%*H'"/5*8$1
A.*%),(8"83#I%4,'$"&8#I%,89%"8#$('4$"&8#%9"#4'##*9%"8%$."#%"8#$('4$"&8%5,8',7%4,88&$%4&Z*(%,77%/&##"+7*%
4&89"$"&8#%,89%#"$',$"&8#%$.,$%5,>%&44'(1%%C$%5'#$%+*%'89*(#$&&9%+>%$.*%&/*(,$&(%$.,$%4&55&8%#*8#*%
,89%4,'$"&8%,(*%2,4$&(#%)."4.%4,88&$%+*%+'"7$%"8$&%$."#%/(&9'4$I%+'$%5'#$%+*%#'//7"*9%+>%$.*%&/*(,$&(1%
;*,9%,77%"8#$('4$"&8#%+*2&(*%'#"83%$."#%.*75*$[%
1. X&%8&$%'#*%$.*%U*79"83%B*75*$%"2%$.*%7*8#%"#%
4(,4Y*9I%"2%$.*%7*8#%&(%#*8#&(#%,(*%9"($>I%&(%"2%
$.*%7*8#%&(%2(&8$%(*$,"8"83%2(,5*%"#%7&&#*1
2. \**/%)&(Y%,(*,%47*,81 Cluttered
areas invite injuries.
3. R+#*(Z*%)&(Y%,(*,%4&89"$"&8#1 Do not use
welding helmets in damp or wet locations.
Do not expose to rain. Keep work area well
lit. Do not use auto-darkening helmets in the
presence of flammable gases or liquids.
4. \**/%4."79(*8%,),>1 Children must never
be allowed 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. ?$&(*%"97*%*H'"/5*8$1 When not in use,
helmets must be stored in a dry location
to inhibit rust. Always lock up helmets
and keep out of reach of children.
6. X(*##%/(&/*(7>1 Do not wear loose clothing
or jewelry as they can be caught in moving
parts. Protective gear is essential to protect
against welding rays, some examples are: a
leather welding apron, welding sleeves, jeans
without cuffs, work boots. Wear restrictive
hair covering to contain long hair.
7. F#*%+(*,$."83%,89%.*,("83%/(&$*4$"&81
Wear a NIOSH-approved respirator and
hearing protection when welding.
8. ?$,>%,7*($1 Watch what you are doing, use
common sense. Do not weld when you are tired.
9. X&%8&$%)*79%"2%'89*(%$.*%"827'*84*%&2%
,74&.&7%&(%9('3#1 Read warning labels on
prescriptions to determine if your judgment
or reflexes are impaired while taking drugs.
If there is any doubt, do not weld.

Page 3<&(%$*4.8"4,7%H'*#$"&8#I%/7*,#*%4,77%JKLLLKLMMKNOPO1Item 63749
?@<6AQRS6;@ACRED@CEA6E@ET6 ?S6TC<CT@ACRE?
U@;ECEV
CEB@G@ACRE%B@]@;X-%
U*79"83%,89%S7,#5,%T'$$"83%S(&9'4*%
AR^CT%<FD6?1
Exposure to welding or cutting exhaust
fumes can increase the risk of developing
certain cancers, such as cancer of the
larynx and lung cancer. Also, some
diseases that may be linked to exposure
to welding or plasma cutting exhaust
fumes are:
• Early onset of Parkinson’s Disease
• Heart disease • Ulcers
• Damage to the reproductive organs
•Inammationofthesmallintestineor
stomach • Kidney damage
• Respiratory diseases such as
emphysema, bronchitis, or pneumonia
Use natural or forced air ventilation and
wear a respirator approved by NIOSH to
protect against the fumes produced to
reduce the risk of developing the above
illnesses.
10. T.*4Y%2&(%9,5,3*9%/,($#1%%Before using any
helmet, any part that appears damaged should be
carefully checked to determine that it will operate
properly and perform its intended function. Check
for alignment and binding of moving parts; any
broken parts or mounting fixtures; and any other
condition that may affect proper operation. Any
part that is damaged should be properly repaired
or replaced by a qualified technician. Do not use
the helmet if any switch does not operate properly.
11. ;*/7,4*5*8$%/,($#%,89%,44*##&("*#1 When
servicing, use only identical replacement parts.
Use of any other parts can render helmet ineffective,
possibly causing eye damage, and will void the
warranty. Only use accessories intended for
use with this helmet. Approved accessories
are available from Harbor Freight Tools.
12. D,"8$*8,84*1 For your safety, service
and maintenance should be performed
regularly only by a qualified technician.
13. A."#%.*75*$%/(&Z"9*#%/(&$*4$"&8%2&(%"8$*89*9%
/'(/&#*#%&87>1 There are certain applications
for which this helmet was designed. Do not
modify this helmet and do not use this helmet
for a purpose for which it was not intended:
a. A.*%U*79"83%B*75*$ is not suitable
for laser welding or oxyacetylene
welding/cutting processes.
b. A.*%U*79"83%B*75*$ will not protect
against severe impact hazards.
c. A.*%U*79"83%B*75*$ will not protect against
explosive devices or corrosive liquids.
14. F#*%&87>%,$%$*5/*(,$'(*#%)"$."8%$.*%&/*(,$"83%
(,83*%2&(%>&'(%5&9*7%,#%#$,$*9%&8%$.*%
#/*4"2"4,$"&8#%4.,($%"8%$."#%5,8',71
15. Maintain the helmet and lens correctly
to help ensure reliable protection:
a. Clean filter’s surfaces regularly. Keep sensors
and solar cells clean using a clean lint-
free tissue/cloth. Do not use any solvents
on filter’s screen 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 either the
Auto-Darkening Filter or the rest of the helmet,
other than those specified in this manual. Do
not use any replacement parts other than
those specified in this manual. Unauthorized
modifications and replacement parts will
void the warranty and expose the user to
the risk of personal injury. Do not open or
tamper with the Auto-Darkening Filter.
16. Do not place the Welding Helmet’s Auto-
Darkening Filter on a hot surface.
17. ?6!6;6%S6;?RE@G%CE_F;Q%,890&(%
WGCEXE6??%5,>%&44'(%"2%$.*%'#*(%2,"7#%$&%
2&77&)%$.*%,2&(*5*8$"&8*9%),(8"83#%,890&(%
2,"7#%$&%2&77&)%$.*%&/*(,$"&8%"8#$('4$"&8#1
18. Maintain labels and nameplates on the tool.
These carry important safety information.
If unreadable or missing, contact
Harbor Freight Tools for a replacement.
%?@!6%AB6?6%CE?A;FTACRE?1

Page 4 <&(%$*4.8"4,7%H'*#$"&8#I%/7*,#*%4,77%JKLLLKLMMKNOPO1 Item 63749
?@<6AQ RS6;@ACRE D@CEA6E@ET6?S6TC<CT@ACRE?
?/*4"2"4,$"&8#
Description Auto-Darkening Welding Helmet
Power Source Solar powered cell with battery assistance
(replaceable 3V CR2450 lithium battery)
Operating Temperature 14° to 131° F
Resting Shade Shade# 3
Shade Range 5 to 8 – 9 to 13 variable
UV/IR Protection Up to DIN 16 at all times
Lens Type ANSI Z87.1-2010 approved
Viewing Area 3-7/8" x 2-5/8" (10.1 sq. in.)
Welding Protection
Types
For all arc welding processes including MIG/Flux welding, stick welding,
TIG welding (10+ amps), plasma arc welding/cutting, Oxyacetylene
welding/cutting and air carbon cutting. Not for Laser Welding.
Lens Switching Speed (Clear to Dark) 1/25,000 second
Delay Control Controls dark-to-light state from 0.1 to 1.0 seconds
Sensitivity Adjustment Adjustable for ambient lighting (including
sun light) and other welding arcs
Grinding Mode Transforms helmet to grinding shield without shade flickering
Power ON / OFF Fully Automatic
Shell Material High Impact-Resistant Polyamide Nylon
Storage Temperature - 4°to158°F
Weight 20.6 ounces
Features Ratcheting headband with padded sweatband,
4 independent arc sensors, Shade Control Knob, Time
Delay Control Knob, Sensitivity Control Knob

Page 5<&(%$*4.8"4,7%H'*#$"&8#I%/7*,#*%4,77%JKLLLKLMMKNOPO1Item 63749
?@<6AQRS6;@ACRED@CEA6E@ET6 ?S6TC<CT@ACRE?
?.,9*%V'"9*%T.,($
Guide for Shade Numbers
Shade numbers are given as a guide only and may be varied to suit individual needs.
S;RT6?? 6G6TA;RX6%?C]6 @;T%TF;;6EA%
`@5/*(*#a
DCECDFD%
S;RA6TAC!6%
?B@X6
?FVV6?A6X,%
?B@X6%ER1%
`T&52&($a
Shielded Metal Arc
Welding (SMAW)
Lessthan3/32"(2.4 mm) Less than 60 7 —
3/32 – 5/32"(2.4 – 4.0 mm) 60 –160 8 10
5/32 – 1/4"(4.0 – 6.4 mm) 160 – 250 10 12
Morethan1/4"(6.4 mm) 250 – 550 11 14
Gas Metal Arc Welding
(GMAW) and Flux-Cored
Arc Welding (FCAW)
Less than 60 7 —
60 –160 10 11
160 – 250 10 12
250 – 550 10 14
Gas Tungsten Arc
Welding (GTAW)
Less than 50 8 10
50 –150 8 12
150 – 500 10 14
Air Carbon Arc
Cutting (CAC-A)
GCVBA- Less than 500 10 12
B6@!Q-500 –1000 11 14
Plasma Arc Welding (PAW)
Less than 20 6 6 to 8
20 –100 8 10
100 – 400 10 12
400 – 800 11 14
Plasma Arc Cutting (PAC)
Less than 20 4 4
20 – 40 5 5
40 – 60 6 6
60 – 80 8 8
80 – 300 8 9
300 – 400 9 12
400 – 800 10 14
Torch Brazing (TB) — — 3 or 4
Torch Soldering (TS) — — 2
Carbon Arc Welding (CAW) — — 14
SG@A6%ABCT\E6??
S;RT6?? CE DD ?FVV6?A6X%?B@X6%ER1,%`T&52&($a
Oxyfuel Gas Welding (OFW)
Light
Medium
Heavy
Under 1/8"
1/8 to 1/2"
Over 1/2"
Under3 mm
3to13 mm
Over13 mm
4 or 5
5 or 6
6 or 8
Oxygen Cutting (OC)
Light
Medium
Heavy
Under 1"
1 to 6"
Over 6"
Under25 mm
25to150 mm
Over150 mm
3 or 4
4 or 5
5 or 6
a As a rule of thumb, start with a shade that is too dark to see the weld zone. Then go to a lighter shade which
givessufficientviewoftheweldzonewithoutgoingbelowtheminimum.Inoxyfuelgaswelding,cutting,or
brazingwherethetorchand/ortheuxproducesahighyellowlight,itisdesirabletouseafilterlensthat
absorbs the yellow or sodium line of the visible light spectrum.
DatafromANSIZ49.1 : 2012

Page 6 <&(%$*4.8"4,7%H'*#$"&8#I%/7*,#*%4,77%JKLLLKLMMKNOPO1 Item 63749
?@<6AQ RS6;@ACRE D@CEA6E@ET6?S6TC<CT@ACRE?
R/*(,$"83%C8#$('4$"&8#
;*,9%$.*%6EAC;6%CDSR;A@EA%?@<6AQ%CE<R;D@ACRE%#*4$"&8%,$%$.*%+*3"88"83%&2%$."#%
5,8',7%"847'9"83%,77%$*b$%'89*(%#'+.*,9"83#%$.*(*"8%+*2&(*%#*$%'/%&(%'#*%&2%$."#%/(&9'4$1
<'84$"&8
The Auto-Darkening Welding Helmet is designed to protect the eyes and face from sparks, splatter, and
harmful radiation under normal welding conditions. The Auto-Darkening Filter automatically changes from
a clear state to a dark state when an arc is struck, and it returns to the clear state when welding stops.
?&7,(%T*77#
This Welding Helmet utilizes high performance solar cells as its power supply, and has a replaceable 3V CR2450
lithium battery as power backup. Refer to Maintenance section for battery replacement information.
?.,9*#
User-selectable variable shades from 5 to 8 and 9 to 13 are adjusted with the Shade Range
Switch and Shade Control Knob (shade variable). This product is in full conformity with
related DIN, ISO, EN379 safety standards and ANSI Z87.1-2010 standard.
<"7$*(#
The ultra high performance of UV and IR Auto-Darkening filters provides the user’s eyes
and face with full protection against UV and IR radiation during the entire welding process,
even in clear state. The UV/IR protection level is up to shade 16 at all times.
D,38"2>"83%T.*,$*(%G*8#
To attach a magnifying cheater lens (sold separately) to the inside of the helmet, slide the cheater lens
into place underneath the tabs located on the lower right and left sides of the Lens Retaining Frame.
W*2&(*%U*79"83
The Auto-Darkening Welding Helmet comes ready
for use. Prior to first use, remove the protective film
from both sides of the Front Lens Cover and Inside
Lens Cover (if not already done). Check the Front
Lens Cover to make sure that it is clean, and that
no dirt is covering the four sensors on the front of
the Auto Darkening Filter Cartridge. Also check the
Inside Lens Cover and the Lens Retaining Frame,
and make sure that they are secured in place.
C5/&($,8$- Helmet is shipped without Battery installed.
Before first use install the CR2450 Lithium Battery
included with the Helmet. Refer to Battery Installation
or Replacement on page 10 for instructions.
Adjust the position of the headband, select the correct
shade number for the welding application, and test
the helmet for proper operation as described below.
Inspect all operating parts before each use for signs
of wear or damage. Any scratched, cracked, or
pitted parts should be replaced immediately before
using again to avoid severe personal injury.
@'$&%
X,(Y*8"83%
<"7$*(%
T,($("93*
<(&8$%
G*8#%
T&Z*(
A*8#"&8%
@9='#$5*8$%
\8&+
<"3'(*%@

Page 7<&(%$*4.8"4,7%H'*#$"&8#I%/7*,#*%4,77%JKLLLKLMMKNOPO1Item 63749
?@<6AQRS6;@ACRED@CEA6E@ET6 ?S6TC<CT@ACRE?
T&8$(&7#
+
BATTERY
?.,9*%
T&8$(&7%
\8&+
?.,9*%
;,83*%
?)"$4.
D&9*%
?)"$4.
;*/7,4*%
W,$$*(>%
C89"4,$&(
?*8#"$"Z"$>%
T&8$(&7%
\8&+
A"5*%X*7,>%
T&8$(&7%
\8&+
A*#$%
W'$$&8
<"3'(*%W
D&9*%?*7*4$"&8%,89%?.,9*%E'5+*(
1. Use the Mode Switch to select the mode of
operation. Make sure the correct mode is selected
for your application. Refer to Figure B and Figure C.
• Set the switch to Weld Mode for welding
applications. In this mode the Auto-Darkening
Filter automatically changes from a clear state to
a dark state when an arc is struck. Select shade
level, time delay and sensitivity as required.
• Set the switch to Grind Mode for grinding
applications. This turns off the shade function
so the helmet lens stays clear. Use this
function to provide protection while grinding.
T@FACRE[ @2$*(%'#"83%$.*%V("89%D&9*%#*$%$.*%B*75*$%
$&%$.*%/(&/*(%#.,9*%#*$$"83%+*2&(*%)*79"83%,3,"81%
U*79
D&9*
?.,9*
N%K%L
?.,9*
P%K%Jc
V("89
D&9*
<"3'(*%T
2. Using the Shade Guide Chart on page 5,
select the shade range required using the
Shade Range Switch, then turn the Shade
Control Knob to the shade number required.
E&$*- If a selection of shades are recommended
for your application, try the darkest setting first.
3. The shade number can be set from 5 to 8 (cutting)
or from 9 to 13 (welding) depending on the
shade range selected. Turn the Shade Control
Knob until the arrow points to the desired shade
number. Be sure that the shade number of the
Welding Helmet is the correct shade number for
your application. Refer to Figure B and Figure C.
4. Remember to check with the Shade Guide
Chart on page 5 to determine the proper
shade number for your application.
C5/&($,8$- Test the helmet auto-darkening filter lens
before welding. Press and hold the TEST Button on
the Auto-Darkening Filter Cartridge
to preview the selected shade
number. When the Button is
released the lens will return to the
resting state (#3 Shade). If the lens
does not darken properly, replace the Battery and try
again. Do not use the Welding Helmet if it is not
operating correctly.

Page 8 <&(%$*4.8"4,7%H'*#$"&8#I%/7*,#*%4,77%JKLLLKLMMKNOPO1 Item 63749
?@<6AQ RS6;@ACRE D@CEA6E@ET6?S6TC<CT@ACRE?
A"5*%X*7,>%,89%?*8#"$"Z"$>
1. At the moment the welding operation is started,
the filter screen automatically changes from clear
to dark. The operator can vary the amount of time
it takes the filter to return to a clear state after
welding stops using the Time Delay Control Knob.
2. Use the Time Delay Control Knob to set the
delay time between 0.1 second ("S" short) and
1.0 second ("L" long).
3. The sensitivity setting changes the amount
of light needed to make the filter react. The
sensitivity of the sensors can be adjusted
using the Sensitivity Control Knob.
4. Use the Sensitivity Control Knob to set the sensitivity
between low ("LO") and high ("HI").
@9='#$"83%B*,9+,89
Adjust the Headband so that the Helmet is seated
securely on your head as low as possible and close
to your face using the following procedure:
a. Adjust the Headband width by turning
the Headband Adjustment Knob while
wearing the Helmet to make sure the Front
Lens Cover is aligned with your eyes and
the Helmet fits firmly on the head.
b. Adjust the Headband height by tightening
or loosening the Top Straps until the
Helmet fits snug on your head.
c. Adjust the distance between the front of
the Helmet and your face by loosening the
Tension Adjustment Knobs and sliding the
Headband harness forward or back.
d. To adjust the tilt angle, loosen the right Tension
Adjustment Knob and push the top of the Angle
Adjustment Lever outward until the Lever’s
stop tab clears the notches. Rotate the Lever
forward or back to the desired position, then
release the Lever to engage the stop tab.
e. Once the Headband is properly adjusted,
lower the Helmet over your face until the
proper angle is found. Then turn the Tension
Adjustment Knobs on either side of the
helmet, locking the helmet’s angle in place.
?*8#"$"Z"$>%
T&8$(&7%\8&+
Adjusts the amount of
light needed to activate
the lens to darken.
A"5*%X*7,>%
T&8$(&7%\8&+
Adjusts the speed
the lens changes.
<"3'(*%X%
A*8#"&8%
@9='#$5*8$%
\8&+
B*,9+,89%
@9='#$5*8$%
\8&+
B*75*$%
?.*77
A&/%?$(,/#
A*8#"&8%
@9='#$5*8$%
\8&+
<"3'(*%6-%%B*,9+,89%!"*)%<(&5%A&/
@837*%
@9='#$5*8$%%
G*Z*(
A
C
G
A
%
@
E
V
G
6
<R;6K@<A%@X_F?AD6EA
<"3'(*%<%

Page 9<&(%$*4.8"4,7%H'*#$"&8#I%/7*,#*%4,77%JKLLLKLMMKNOPO1Item 63749
?@<6AQRS6;@ACRED@CEA6E@ET6 ?S6TC<CT@ACRE?
D,"8$*8,84*
AR%S;6!6EA%?6;CRF?%CE_F;Q%<;RD%ARRG%<@CGF;6-%%X&%8&$%'#*%9,5,3*9%*H'"/5*8$1%%
C2%9,5,3*%&(%,+8&(5,7%&/*(,$"&8%&44'(#I%.,Z*%$.*%/(&+7*5%4&((*4$*9%+*2&(*%2'($.*(%'#*1
W6<R;6%6@TB%F?6I%"8#/*4$%$.*%3*8*(,7%4&89"$"&8%&2%$.*%$&&71%%T.*4Y%2&(%7&&#*%
.,(9),(*I%5"#,7"385*8$%&(%+"89"83%&2%5&Z"83%/,($#I%4(,4Y*9%&(%+(&Y*8%/,($#I%9,5,3*9%
*7*4$("4,7%)"("83I%,89%,8>%&$.*(%4&89"$"&8%$.,$%5,>%,22*4$%"$#%#,2*%&/*(,$"&81
E&$*- Replace the Lens Cover(s) if they are cracked, scratched, soiled, pitted or damaged in any way. For
additional information regarding the parts listed in the following pages, refer to Parts List and Diagram on page 11.
<(&8$%G*8#%T&Z*(%;*/7,4*5*8$
1. Squeeze the Lens Holder (F) latches inside
the Helmet at the base of the Lens Holder
together and pull the bottom of the Lens Holder
towards the inside of the helmet to remove.
G*8#%
B&79*(%
G,$4.
G*8#%
B&79*(%`<a
<"3'(*%V-%%G*8#%B&79*(%G,$4.*#
2. Remove Front Lens Cover (C) from
Shell (A). Carefully remove Gasket (B)
from Front Lens Cover. Refer to Parts
List and Diagram on page 11.
3. Remove any protective film from both
sides of the new Lens Cover.
4. Install new Front Lens Cover into Gasket and
assemble Lens, Gasket, and Lens Holder into
Shell the same way they were removed.
ERACT6- Front lens must be in place during
welding. Weld spatter will permanently damage
Auto-Darkening Filter and voids warranty.
C8#"9*%G*8#%T&Z*(%;*/7,4*5*8$
1. Remove the old Inside Lens Cover (E)
by pulling it up at the finger notch.
G*8#%
B&79*(%`<a
C8#"9*%
G*8#%
T&Z*(%`6a
2"83*(%8&$4.
<"3'(*%B-%%C8#"9*%G*8#%T&Z*(%<"83*(%E&$4.
2. Remove any protective film from both
sides of the new Lens Cover.
3. Line up the new Inside Lens Cover with the flanges
at the sides of the lens and snap it into place.

Page 10 <&(%$*4.8"4,7%H'*#$"&8#I%/7*,#*%4,77%JKLLLKLMMKNOPO1 Item 63749
?@<6AQ RS6;@ACRE D@CEA6E@ET6?S6TC<CT@ACRE?
<"7$*(%G*8#%;*/7,4*5*8$
1. Squeeze the Lens Holder (F) latches inside the
Helmet at the base of the Lens Holder together
and pull the bottom of the Lens Holder towards the
inside of the Helmet to remove. Refer to Figure G.
2. To remove Auto-Darkening Filter (D) Lens
from Lens Holder (F):
a. Pull on top center of front of Lens Holder and,
b. Lift top of Filter Lens out.
U@;ECEV[%%AR%S;6!6EA%?6;CRF?%CE_F;Q%
@EX%WGCEXE6??-%
;*/7,4*%$.*%2"7$*(%7*8#%REGQ%)"$.%,8%*b,4$%
(*/7,4*5*8$1%%R$.*(%7*8#*#%5,>%8&$%/(&$*4$%
/(&/*(7>%2(&5%)*79"83%7"3.$I%&(%5,>%8&$%2"$%.*75*$%
47&#*7>%*8&'3.%$&%+7&4Y%,77%7"3.$%,$%$.*%*93*#1
3. Remove any protective film from
both sides of the new Lens.
4. Install new Filter Lens into the Lens Holder
and replace Lens Holder into Shell.
W,$$*(>%C8#$,77,$"&8%&(%;*/7,4*5*8$
To install Battery before first use or when
the LOW BATTERY LED begins to turn red,
indicating Battery needs replacement:
a. Remove the Auto-Darkening Filter (D)
from the Lens Holder (F) as described
in Filter Lens Replacement.
b. Slide the Battery Holder out of the
Auto-Darkening Filter. Remove the
used battery (if applicable).
c. Place a new CR2450 Lithium Battery inside
the Battery Holder and put the Battery Holder
back into the Auto-Darkening Filter. Make
sure the new Battery is installed correctly.
d. Replace the Auto-Darkening Filter into the Lens
Holder and replace Lens Holder into Shell.
T&55&8%S(&+7*5#%,89%;*5*9"*#
1. C((*3'7,(%X,(Y*8"83%R(%X"55"83
a. Headband has been set unevenly on
both sides of helmet (unequal distances
from the eyes to filter’s lens).
b. Reset Headband to reduce difference
in distances to filter, if necessary.
2. @'$&KX,(Y*8"83%<"7$*(%X&*#%
E&$%X,(Y*8%R(%<7"4Y*(#
a. Front Lens Cover is soiled or
damaged (change the cover).
b. Sensors are soiled (clean surface of the sensors).
c. Welding current is too low (turn
Sensitivity Adjustment Knob to the
“HI” position, if necessary).
3. ?7&)%;*#/&8#*
Operating temperature is too low (do not
use at temperatures below 14° F).
4. S&&(%!"#"&8
a. Front/Inside Lens Cover and/
or Filter soiled (change it).
b. Insufficient ambient light.
c. Shade number is incorrectly set
(reset shade number).
5. U*79"83%B*75*$%?7"/#
Headband is not adjusted properly
(must be lowered).
?$&/%'#"83%$.*%B*75*$%"55*9",$*7>%"2%,8>%
&2%$.*#*%/(&+7*5#%4,88&$%+*%4&((*4$*91
<"3'(*%C-%%;*5&Z"83%<"7$*(%G*8#
@'$&K
X,(Y*8"83%
<"7$*(%`Xa
G*8#%
B&79*(%`<a
,1%/'77%.*(*
+1%7"2$%$&/%&2%
<"7$*(%G*8#%&'$
+
BATTERY
Be sure Positive (+) side
of Battery faces up.
W,$$*(>
W,$$*(>%
B&79*(
G&)%W,$$*(>%
G6X
<"3'(*%_-%%W,$$*(>%C8#$,77,$"&8

Page 11<&(%$*4.8"4,7%H'*#$"&8#I%/7*,#*%4,77%JKLLLKLMMKNOPO1Item 63749
?@<6AQRS6;@ACRED@CEA6E@ET6 ?S6TC<CT@ACRE?
S,($#%G"#$%,89%X",3(,5
SG6@?6%;6@X%AB6%<RGGRUCEV%T@;6<FGGQ
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS 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 REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS
OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES
THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND
LICENSED TECHNICIANS AND NOT BY THE BUYER. THE BUYER ASSUMES ALL 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.
S,($#%G"#$%,89%@##*5+7>%X",3(,5
S,($ X*#4("/$"&8 d$>
A Shell (Welding Mask) 1
B Rubber Gasket 1
C Front Lens Cover 1
D Auto-Darkening Filter 1
E Inside Lens Cover 1
F Lens Holder 1
G Headgear Assembly 1
1 Sweatband 1
2 Washer 1
3 Angle Adjustable Washer 1
4 Washer 2
5 Rubber Washer 2
6 Tension Adjustment Knob 2
7 Serrated Washer 1
8 Angle Adjustment Lever 1
9 Right Boot Screw 1
10 Left Boot Screw 1
11 Adjustable Headband 1
12 Front Harness 1
;*4&(9%S(&9'4$e#%?*(",7%E'5+*(%B*(*-%
E&$*- If product has no serial number, record month and year of purchase instead.
E&$*- Some parts are listed and shown for illustration purposes only,
and are not available individually as replacement parts.
ABCDEF
G

G"5"$*9%Pf%X,>%U,((,8$>
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards,
and warrants to the original purchaser that this product is free from defects in materials and workmanship for the
period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly,
to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper
installation, normal wear and tear, or to lack of maintenance. We shall in no event be liable for death, injuries
to persons or property, or for incidental, contingent, special or consequential damages arising from the use of
our product. Some states do not allow the exclusion 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 explanation of the complaint must accompany the merchandise.
If our inspection verifies the defect, we will either repair or replace the product at our election or we may
elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will
return repaired products at our expense, but if we determine there is no defect, or that the defect resulted
from causes not within the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.
cgPJ%D"##"&8%R,Y#%W7Z91%%h%%SR%W&b%MffP%%h%%T,5,("77&I%T@%PcfJJ%%h%%JKLLLKLMMKNOPO