Gamma product models are personal protective equipment (PPE) for welders and fabrication personnel. They are
designed for arc welding (MMA, MIG/MAG, TIG), grinding,
gouging and plasma cutting.
Gamma welding helmets provide the users with protection
for the eyes and face. They combine a ip-up welding visor with a protective grinding visor and include either an
auto-darkening lter (ADF) or a passive welding lter lens.
GTH3
GTH3
XFA
SFA
Compatible with PFU 210e
powered lter unit
Compatible with RSA 230
supplied air regulator
Work lights
Auto-darkening lter (ADF)
Passive lter lens
(shades 8-13)
Gamma GTH3 models also protect the user's respiratory
system when used together with a compatible powered
lter unit (PFU 210e) or supplied air unit (RSA 230). Gamma
GTH3 models oer the highest level of respiratory protection: TH3 classication with PFU 210e, and 3B classication
with RSA 230.
The following table introduces the features of the Gamma
product models.
GTH3
GTH3
PFA
SFA Airline
1.2 About this manual
Read this manual carefully before using the equipment for
the rst time. Pay particular attention to the safety instructions.
ConventionUsed For
NoteGives the user a piece of information of particular importance.
GTH3
PFA Airline
100A100P
CautionDescribes a situation that may result in damage to the equipment or system.
WarningDescribes a potentially dangerous situation that may result in personal damage or
fatal injury.
1.3 Disclaimer
While every eort has been made to ensure that the information contained in this guide is accurate and complete,
no liability can be accepted for any errors or omissions.
Kemppi reserves the right to change the specication of
Gamma
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the product described at any time without prior notice.
Do not copy, record, reproduce or transmit the contents
of this guide without prior permission from Kemppi.
ENGLISH
2. Safety
Gamma personal protective equipment helps protect the
wearer’s eyes from harmful radiation including visible light
and ultra-violet/infra-red radiation resulting from certain
welding processes.
Warning:
• It is strictly forbidden to use any other than Kemppi branded lters or other parts or accessories with
Kemppi’s personal protection equipment. If you do
not respect this safety regulation, serious damage for
your health may occur.
Warning:
• We recommend a usage period of 5 years. The period
of use depends on various factors such as use, cleaning, storage and maintenance. Inspect the helmet before each use. Replace damaged or worn parts. Never
use a damaged welding lter.
• Use all adjustment features for maximum protection.
• Never weld with the welding visor up or without the
welding lter.
Warning:
• If the auto-darkening lter (ADF) does not darken
when the arc ignites, stop welding immediately. Inspect the ADF and its power supply. Change if necessary.
3. Parts
1
1. Protection plate
2. Welding lter:
• auto-darkening lter SA 60 (SFA, 100A)
• auto-darkening lter XA 74 (XFA)
• passive welding lter, shades 8-13 (PFA, 100P)
3. Inner protection plate
4. Welding visor
5. Side cover plate of the welding visor
6. Air duct for the respirator (PFA, SFA, XFA)
7. Welding helmet rigidity adjustment knob.
8. Grinding visor
9. Grinding visor lock
10. Work lights (XFA)
• Always use welding lters together with suitable protection plates.
• Materials which may come into contact with the
wearer’s skin may cause allergic reactions to susceptible individuals.
• Only operate this product within the temperature
range -5...+55 °C.
• The product is not intended for use in environments
with a risk of explosion.
• Set and tighten the face seal properly. If the face seal
is not tight, the respiratory protection may not reach
the best level.
• The helmet gives designed protection against high
speed particles only at room temperature (EN175 B)
and only when all helmet components are properly
attached, as described in the manual.
• Helmet has impact strength classication B only
when all helmet components are properly attached,
as described in the manual.
When helmet is worn over any spectacles, they may transmit the impact of high speed particles, thus creating a hazard to the wearer.
11. Face seal: washable (PFA, SFA, XFA)
12. Headband
13. Air hose holder (PFA, SFA, XFA)
14. Sweatband: washable
15. Gap view switch: Control the gap view.
16. Angle regulator knob: Adjust the viewing angle.
17. Air duct nozzle (PFA, SFA, XFA)
18. Remote control buttons for adjusting the ADF
(SFA, XFA, 100A)
19. Distance slide adjusters: Connect the headband
to the helmet and adjust the distance of the
helmet from the face.
4. Auto-darkening welding lter (ADF)
1. Work light on/o (long press, XFA) and ADF mode
selector (short press)
2. Scroll down
3. Scroll up
4. USB port for ADF power and remote control (SFA,
XFA, 100A)
5. USB port for work lights and PFU 210e indicators
(X FA)
6. Sensitivity indicator: 5 levels
7. Shade indicator: Shades 5/8 - 15 (XFA) or 5/8 - 13
(SFA and 100A).
A long press of the Scroll up/down button
moves you to another shade block at points
(A) and (B).
8. Delay indicator: 5 levels
9. Indicators for the PFU 210e battery, lter and
blower (XFA).
Indicator for the ADF battery (SFA/100A).
10. Battery casing
ENGLISH
To move between sensitivity/shade/delay columns (6 - 8),
shortly press the ADF mode selector (1). At the correct column, use the Scroll up/down buttons (2 - 3) to change the
value.
Sensitivity denes how easily the ADF photo-sensors respond to arc light and trigger the darkening of the lter.
Shade denes how dark the ADF gets when the welding
arc ignites. To select the optimal shade for the job at hand,
see table Shade selection.
Delay denes how fast the ADF returns to the light state
after welding has stopped.
Note: To use the control buttons, make sure the
USB connector is connected to the USB port (4).
3
XFA:
ADF is powered by the PFU 210e battery. If the
connection to PFU 210e is cut o, ADF is powered by the
battery inside the battery casing on the helmet. Check the
battery regularly.
SFA, 100A:
battery casing on the helmet.
5. Taking the product into use
5
3
ADF is powered by the battery inside the
4
1. Check that the product has not been damaged during the transport.
2. Make sure that the shade of the passive welding lter is appropriate for the welding job (PFA and 100P).
3. Adjust the helmet for your head:
A. Use the top bands to adjust how deep the helmet sits (1).
B. Use the distance slide adjuster to change the distance of the welding helmet from your face (2).
C. Turn the knob to tighten and secure the headband (3).
D. Attach the optional comfort band padding for additional comfort.
Make sure the helmet sits deep enough on your head, as shown in the picture.
4. Set and tighten the face seal properly around your face, behind the ears and under the chin using all three
strap tighteners in the face seal.
Warning: If the face seal is not tight, the respiratory protection may not reach the best level.
Table 2: PFU 210e indicators (inside XFA helmet)
Battery status:
• Blinking slowly: the battery charge
level is 20%.
• Blinking rapidly: the battery charge
level is 5%.
Filter status: When illuminated,
change the lter.
Blower status: normal and high
blower speed.
(When the gas lter is used, only
normal speed is available.)
5. Connect the air hose to the helmet and to a respiratory protection device (PFA, SFA, XFA):
A. Turn the air hose connector (1) to fully expose the openings (2).
B. Align the groove in the air hose connector with the tab in the air duct (3).
C. Push the connector into the air duct.
D. Turn the connector clockwise to snap-lock the air hose into its place.
E. Secure the air hose into the air hose holder (4) to keep it out of the way.
6. Turn on the powered lter unit / air supply.
Gamma
7
6
ENGLISH
6. Using the helmet features
6.1 Work lights
Gamma GTH3 XFA has LED work lights that are powered by
the PFU 210e battery. Press and hold the work light remote
control button until the light turns on.
Note: Make sure both USB connectors are connected.
To replace worn protective lenses on the work lights:
1. Remove the worn protective lenses with a
2. Insert the new protective lenses, starting from
Note: Note that the left and right protective lenses
are slightly dierent in shape.
7
8
screwdriver.
the outer edge.
7. Replacing parts
To replace the outer protection plate:
1. Use the grooves on the sides to pull the plate out.
2. To insert a new plate, push at the corners to
snap-lock the corner grooves into place.
Before removing the welding lter cassette:
Before removing the welding lter cassette, detach the
USB connector(s): either two (XFA), or one on the left (SFA,
100A).
Note: When inserting the USB connector, the wider
side goes up.
Caution: Do not connect the USB connector to any
other device.
To replace the welding lter cassette:
1. Remove the cassette by pressing the tab behind
the lower edge of the cassette, and then pushing the cassette forward.
2. Change the passive welding lter inside the
cassette if you need a dierent shade value (PFA,
100P).
3. Insert the cassette by rst pushing the upper
edge tabs (1) into place, then the lower edge
into its groove (2).
To replace the grinding visor:
1. Pull the grinding visor locks slightly outwards,
and pull the visor out.
2. To insert the visor, align the grooves in the visor
with the visor locks, and snap the visor into its
place.
10
11
12
13
6.2 Gap view
1. Lift the welding visor up.
2. Push the gap view adjuster to OPEN position
6.3 Adjusting the viewing angle
Turn the viewing angle adjuster to tilt the viewing angle
upwards or downwards.
Tip: When adjusting the helmet upwards, support the helmet with the other hand.
To remove the headband:
1. Press and hold down the slide adjuster button (3).
2. Push the headband connector (1) forwards, out
To replace the face seal:
1. Remove the headband.
2. Open the face seal snap fasteners (5).
3. To remove the face seal, slide the face seal's top
4. To attach the face seal back, slide the face seal's
5. Pass the distance slide adjusters and the air duct
6. Secure the face seal in place with the snap
7. Attach the headband back in place.
To attach the headband:
1. Bring the headband connector in front of the
2. Press down the slide adjuster button while
3. Slide the headband connector in place so that
4. Ensure that the welding helmet is at a convenient
9
(towards the visor knob).
9
14
of the distance slide adjuster (2).
15-16
sealing strip (1) out of the groove on the inside
of the helmet (2) and remove the face seal.
top sealing strip (1) back into the groove on the
inside of the helmet (2). Make sure the face seal
is positioned in the middle.
through the openings in the face seal (3, 4).
fasteners (5).
17
distance slide adjuster.
pushing the headband connector through the
distance slide adjuster.
the slide adjuster pin locks into one of the
grooves in the headband connector.
distance from your face and that both sides are
equally positioned.
Declarations of Conformity – Overensstemmelseserklæringer –Konformitäts-erklärungen –
Declaraciones de conformidad – Vaatimustenmukaisuusvakuutuksia – Déclarations de conformité –
Dichiarazioni di conformità – Verklaringen van overeenstemming – Samsvarserklæringer –
Deklaracje zgodności – Declarações de conformidade – Заявления о соответствии – Försäkran om
överensstämmelse – 符合性声明
userdoc.kemppi.com
Quality assurance of the production process (Module D):
SAI Global Assurance Services Ltd.
Partis House Ground Floor Davy Avenue,
Knowlhill Milton Keynes MK5 8HJ,
United Kingdom (Notified Body 2056)
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