VIKING™
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4.50
7
75500SS
x
x
AU
TO-DARKENING HELMETS
5.2
5 STANDARD REPLACEMENT LENS
IM10039
September, 2009
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
OPERATOR’S MANUAL
Copyright © Lincoln Global Inc.
• World's Leader in Welding and Cutting Products •
• Sales and Service through Subsidiaries and Distributors Worldwide •
TABLE OF CONTENTS Page
SAFETY WARNINGS – READ BEFORE USING 1
HELMET INFORMATION 2
SPECIFICATIONS 3
OPERATING INSTRUCTIONS 4
CARTRIDGE OPERATIONS/FEATURES 5
SHADE GUIDE SETTINGS 6
HELMET CARE AND MAINTENANCE 7
TROUBLE SHOOTING 8
WARRANTY INFORMATION 9
REPLACEMENT PARTS 9
SAFETY WARNINGS – READ BEFORE USING
WARNING
ARC Rays can injure eyes and burn skin
• Before welding, always inspect helmet and filter lens to be sure they are fitted
properly, in good condition and not damaged.
• Check to see that the clear lens is clean and securely attached to the helmet.
• Always wear safety glasses or goggles under the welding helmet and protective
clothing to protect your skin from radiation, burns and spatter.
• Ensure that optical radiation from other welder’s arcs in the immediate area
does not enter in from behind the helmet and auto-darkening filter.
Auto-darkening filters in Lincoln helmets are designed to protect the user against harmful
Note:
ultra-violet and infrared rays both in the dark and light states. No matter what shade the filter is
set to, the UV/IR protection is always present.
FUMES AND GASES can be dangerous to your health.
• Keep your head out of fumes.
• Use enough ventilation or exhaust at the arc or both to keep fumes and gases
from your breathing zone and general area.
• When welding with electrodes which require special ventilation such as
stainless or hard facing (see instructions on container or MSDS) or on
lead or cadmium plated steel and other metals or coatings which produce highly toxic fumes, keep exposure as low as possible and within
applicable OSHA PEL and ACGIH TLV limits using local exhaust or
mechanical ventilation. In confined spaces or in some circumstances,
outdoors, a respirator may be required. Additional precautions are also
required when welding on galvanized steel.
Refer to http://www.lincolnelectric.com/safety
for additional safety information.
1
HELMET INFORMATION
This Auto-Darkening Welding Helmet will automatically change from a light
state (shade 3.5) to a dark state (Shade 9-13) when arc welding starts.
The filter automatically returns to a light state when the arc stops.
Match your welding application to the shade indicated on the shade chart.
(See Page 6)
• Operating temperature: 14°F ~ 131°F (-10°C ~ 55°C).
• Do not use or open the auto-darkening filter if damaged by shock, vibration or pressure.
• Keep the sensors and solar cell clean. Clean the filter cartridge using a
soapy water solution and soft cloth which should be damp but not saturated.
This Auto-Darkening Welding Helmet is designed for use with GMAW, GTAW,
MMAW welding, or Plasma Arc and air carbon arc cutting.
The cartridge provides protection from harmful UV and IR radiation, in both
dark and light states.
The cartridge contains two sensors to detect the light from the welding arc,
resulting in the lens darkening to a selected welding shade.
• Do not use solvents or abrasive cleaning detergent.
• If cover lens is spattered or covered with dirt, it should be replaced immediately.
• Use only replacement parts specified in this manual.
• Do not use the helmet without inside and outside cover lenses properly
installed.
2
SPECIFICATIONS
CROWN
AD
JUSTMENT
T
ILT ADJUSTMENT
RATCHET KNOB
PIN HOLES FOR
A
DJUSTMENT
LCD Viewing Area
Cartridge size
UV/IR Protection
Arc Sensors
Light State Shade
Variable Welding Shades
Shade Control
Power Supply
Power On/Off
Light to Dark Switching Time
Sensitivity Control
TIG Rating
Operating Temperature
96 x 47mm (3.78 x 1.85in.)
114 x 133mm (4.50 x 5.25in.)
Up to Shade DIN 16 at all times
2
DIN 4
DIN 9 to 13
Dial knob - full adjustment
Solar cells - no battery required
Fully automatic
0.00004 sec. (1/25,000 sec.)
Variable
and Grind
5 amps
14°F ~ 131°F (-10°C ~ 55°C)
Storage Temperature
Total Weight
Compliance
(1)
Headgear compliance with ANSI Z87.1 is without sweatband installed.
(1)
-4° ~ 158°F (-20°C ~ 70°C)
Black 532g (18.7 Oz.)
Graphic 544g (19.2 Oz.)
ANSI Z87.1-2003/CSA Z94.3
3
OPERATING INSTRUCTIONS
CROWN
AD
JUSTMENT
T
ILT ADJUSTMENT
RATCHET KNOB
PIN HOLES FOR
A
DJUSTMENT
Headgear Adjustment
Head Size Adjustment: Headband tightness is adjusted by pushing in the
ratchet knob and turning to adjust to desired comfort level. This knob is
located at the back of the helmet. HEAD GEAR CROWN ADJUSTMENT is
made by adjusting crown strap for vertical placement on the head and snapping the pin into the hole to lock securely in place.
Tilt: Tilt is adjusted on the left side of the helmet. TILT is adjusted by loosening outside tension knob and releasing the adjustment lever from its current location and moving it to another location. Retighten the outside tension
knob when finished.
4
CARTRIDGE OPERATION/FEATURES
N
T1
G
UIDE FOR SHADE NUMBERS
OPERATION ELECTRODE SIZE ARC MINIMUM SUGGESTED
(1)
1/32 in. (mm) CURRENT (A) PROTECTIVE SHADE NO.
SHADE (COMFORT)
Shielded metal arc Less than 3 (2.5) Less than 60 7 –
welding 3-5 (2.5–4) 60-160 8 10
5-8 (4–6.4) 160-250 10 12
M
ore than 8 (6.4) 250-550 11 14
Gas metal arc Less than 60 7 –
welding and flux 60-160 10 11
cored arc welding 160-250 10 12
2
50-500 10 14
Gas tungsten arc Less than 50 8 10
welding 50-150 8 12
1
50-500 10 14
Air carbon (Light) Less than 500 10 12
Arc cutting (Heavy) 500-1000 11 14
Plasma arc welding Less than 20 6 6 to 8
20-100 8 10
100-400 10 12
400-800 11 14
Plasma arc cutting (Light
)
(2)
(
2)
(2)
Less than 300 8 9
(Medium) 300-400 9 12
(Heavy) 400-800 10 14
Torch brazing – – 3 or 4
Torch soldering – – 2
Carbon arc welding – – 14
PLATE THICKNESS
in. mm
Gas welding
Light Under 1/8 Under 3.2 4 or 5
Medium 1/8 to 1/2 3.2 to 12.7 5 or 6
Heavy Over 1/2 Over 12.7 6 or 8
Oxygen cutting
Light Under 1 Under 25 3 or 4
Medium 1 to 6 25 to 150 4 or 5
Heavy Over 6 Over 150 5 or 6
(1)
As
a
rule
of thumb, start with a shade that is too dark, then go to a lighter shade which gives sufficient view of the weld zone without going
below the
minimum. In oxyfuel gas welding or cutting where the torch produces a high yellow light, it is desirable to use a filter lens that absorbs
the
yellow or
sodium line the visible light of the (spectrum) operation
(2)
These values apply where the actual arc is clearly seen. Experience has shown that lighter filters may be used when the arc is hidden by the
workpiece.
.
Data from ANSI Z49.1-2005
Variable Shade Control
The shade can be adjusted from shade 9 to 13 based upon welding process or
application (refer to shade selection chart on page 6). The variable shade control knob is located on the ADF cartridge as shown below.
Sensitivity Knob
Adjust the light sensitivity by turning the Sensitivity knob to the left or right as
shown in figure below. Turning the knob all the way to the right, the highest setting, is typically selected for normal use. When helmet is used in the presence of
excess ambient light or with another welding machine close by, improved helmet
performance can be obtained with a lower setting by turning the knob to the left to
reduce the sensitivity.
Do not rotate Sensitivity knob to Grind position for welding.
below for more information.
Grind mode
Grind mode can be selected by rotating the Sensitivity knob to left till an audible
click is heard. Grind mode is intended for grinding only
Solar Power
This helmet is powered by solar energy. There are no user replaceable batteries.
not for welding.
5
See Grind mode
ALWAYS TEST TO BE SURE THE ADF CARTRIDGE IS CHAR GED
N
T1
G
UIDE FOR SHADE NUMBERS
OPERATION ELECTRODE SIZE ARC MINIMUM SUGGESTED
(1)
1/32 in. (mm) CURRENT (A) PROTECTIVE SHADE NO.
SHADE (COMFORT)
Shielded metal arc Less than 3 (2.5) Less than 60 7 –
welding 3-5 (2.5–4) 60-160 8 10
5-8 (4–6.4) 160-250 10 12
M
ore than 8 (6.4) 250-550 11 14
Gas metal arc Less than 60 7 –
welding and flux 60-160 10 11
cored arc welding 160-250 10 12
2
50-500 10 14
Gas tungsten arc Less than 50 8 10
welding 50-150 8 12
1
50-500 10 14
Air carbon (Light) Less than 500 10 12
Arc cutting (Heavy) 500-1000 11 14
Plasma arc welding Less than 20 6 6 to 8
20-100 8 10
100-400 10 12
400-800 11 14
Plasma arc cutting (Light
)
(2)
(
2)
(2)
Less than 300 8 9
(Medium) 300-400 9 12
(Heavy) 400-800 10 14
Torch brazing – – 3 or 4
Torch soldering – – 2
Carbon arc welding – – 14
PLATE THICKNESS
in. mm
Gas welding
Light Under 1/8 Under 3.2 4 or 5
Medium 1/8 to 1/2 3.2 to 12.7 5 or 6
Heavy Over 1/2 Over 12.7 6 or 8
Oxygen cutting
Light Under 1 Under 25 3 or 4
Medium 1 to 6 25 to 150 4 or 5
Heavy Over 6 Over 150 5 or 6
(1)
As
a
rule
of thumb, start with a shade that is too dark, then go to a lighter shade which gives sufficient view of the weld zone without going
below the
minimum. In oxyfuel gas welding or cutting where the torch produces a high yellow light, it is desirable to use a filter lens that absorbs
the
yellow or
sodium line the visible light of the (spectrum) operation
(2)
These values apply where the actual arc is clearly seen. Experience has shown that lighter filters may be used when the arc is hidden by the
workpiece.
.
Data from ANSI Z49.1-2005
BEFORE WELDING. The helmet can be placed in sunlight to charge. Do not
store the helmet in a dark cabinet or other storage area for long periods.
While welding, the arc also charges the ADF cartridge.
SHADE GUIDE SETTINGS
If your helmet does not include any one of the shades referenced above, it is
recommended you use the next darker shade.
6
HELMET CARE AND MAINTENANCE
Figure 1
Figure 2
Replacing Front Clear Cover Lens: Replace the front cover lens if it is
damaged. Remove ADF holder assembly per instruction below. Remove front
cover lens from helmet assembly. Carefully remove gasket from cover lens.
Install new cover lens into gasket and assemble to helmet shell. Make sure
to assemble cover lens and gasket to helmet shell in the same way as it was
removed.
Replacing Inside Clear Lens: Replace the inside clear lens if it is damaged.
Place your fingernail in recess above cartridge view window and flex lens
upwards until it releases from edges of cartridge view window.
Change the Shade Cartridge: Remove ADF holder assembly from helmet
shell. See figure 1 for removal. Flex one end of the ADF holder to allow for
ADF cartridge to be removed from frame. Install new ADF cartridge into
frame per figure 2 below. Make sure that the ADF cartridge is inserted in
ADF holder correctly as shown. Install ADF holder into helmet shell.
Cleaning: Clean the helmet by wiping with a soft cloth. Clean cartridge surfaces regularly. Do not use strong cleaning solutions. Clean sensors and
solar cells with soapy water solution and a clean cloth and wipe dry with a
lint-free cloth. Do NOT submerge shade cartridge in water or other solution.
Storage: Store in a clean, dry location.
The VIKING™ 750S helmet does not have capability of mounting an after
market magnifying lens.
7
TROUBLE SHOOTING GUIDE
Test your shade cartridge prior to welding by directing the front of the cartridge toward a bright source of light. Then, using your fingers, rapidly cover
and uncover the sensors. The cartridge should darken momentarily as the
sensor is exposed. A torch striker can also be used.
PROBLEM
POSSIBLE CAUSE
SOLUTION
Difficult to see through filter.
Filter does not darken when
arc is struck.
Filter darkening without arc
being struck.
ADF is
cracked.
Front cover lens dirty.
Cartridge dirty.
Sensitivity is set too low.
Front cover lens dirty.
Front cover lens is damaged.
Sensors are blocked or Solar
panel is blocked.
Grind Mode Selected
Sensitivity set too high.
WARNING
Cease (STOP) using this product if this problem
exists. UV/IR protection may be compromised
resulting in burns to the eyes and skin.
Clean or replace front cover lens.
Clean the Auto-Darkening cartridge
with soapy water solution and soft
cloth.
Adjust sensitivity to required level.
Clean or replace front cover lens.
Check for cracked or pitted front
cover lens and replace as required.
Make sure you are not blocking the
sensors or solar panels with your arm
or o ther ob s t a cle whi l e welding.
Adjust your position so that the sensors can see the weld arc.
Check sensitivity knob setting.
Adjust sens itivi ty t o requir ed
level.
Weld spatter
is damaging
the filter.
Missing, damaged,
broken, cracked or
distorted front cover
lens.
8
Replace front cover lens
as needed.
WARRANTY INFORMATION
11
22
33
44
66
77
88
WARRANTY INFORMATION: Reference IMWS1 included in Literature.
SPATTER DAMAGE IS NOT COVERED BY WARRANTY:
Do not use this product without the correct protective clear lenses installed
properly on both sides of the Auto-Darkening Filter cartridge (ADF). The clear
lenses supplied with this helmet are properly sized to work with this product
and substitutions from other suppliers should be avoided.
REPLACEMENT PARTS
1
2
3
4
5*
6
7
8
PART NO.
KP2898-1
KP2899-1
KP2897-1
KP2851-1
KP2854-1
S27978-29
S27978-32
S27978-19
ITEM
*Not illustrated
DESCRIPTION
OUTSIDE CLEAR LENS (PKG. QTY: 5)
ADF CARTRIDGE
INSIDE CLEAR LENS (PKG. QTY: 5)
HEADGEAR ASSEMBLY
(INCLUDING SWEATBAND)
SWEATBAND (PKG. QTY: 2)
REPLACEMENT SHELL
OUTSIDE CLEAR LENS SEAL
ADF HOLDER
9
QTY
1
1
1
1
1
1
1
1
• World's Leader in Welding and Cutting Products •
• Sales and Service through Subsidiaries and Distributors Worldwide •
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
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