
AUTO DARKENING WELDING HELMET
SHADE 9-13
MODEL NO: PWH1, PWH2, PWH3 and PWH4
Thank you for purchasing a Sealey product. Manufactured to a high standard, this product will, if used according to these
instructions, and properly maintained, give you years of trouble free performance.
IMPORTANT: PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS & CAUTIONS. USE
THE PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO MAY CAUSE DAMAGE AND/OR
PERSONAL INJURY AND WILL INVALIDATE THE WARRANTY. KEEP THESE INSTRUCTIONS SAFE FOR FUTURE USE.
1. SAFETY
WARNING! This helmet is not suitable for use with laser welding or CUTTING or for overhead welding applications.
9 Ensure all workshop safety rules, regulations and conditions are complied with when using welding equipment. The helmet will not oer
protection against misuse of workshop tools, equipment, or accessories.
9 Maintain the helmet in good condition and protect cartridge from liquid and dirt contact. Regularly replace the protective lens and
replace any damaged or worn parts. Use genuine parts only. Unauthorised parts may be dangerous and will invalidate the warranty.
9 Ensure the front cover window is securely in place before use.
9 Fit the helmet and adjust the head band so the helmet will sit as low and near to your face as possible.
9 Use helmet only in temperatures ranging from -10°C to 60°C.
9 Remove ill tting clothing, remove ties, watches, rings and other loose jewellery.
9 Maintain correct balance and footing.
9 Ensure the oor is clear from obstructions, not slippery and wear non-slip shoes.
9 Keep children and unauthorised persons away from the working area.
WARNING! The helmet will only protect the eyes and face from radiation and sparks. It will not protect against explosive devices or
corrosive liquids.
8 DO NOT use helmet for any purpose for which it is not designed.
8 DO NOT use helmet unless you have been instructed in its use by a qualied person.
8 DO NOT open or tamper with the shade cartridge.
8 DO NOT get the helmet wet or use in damp or wet locations.
8 DO NOT leave work place with helmet in lowered position, as bright light source may darken cartridge unexpectedly.
8 DO NOT place the helmet on a hot surface.
8 DO NOT use helmet without front cover window tted. To do so will invalidate your warranty.
9 Clean helmet (see section 5.4) and store the helmet in a safe, dry, childproof location.
WARNING! Before welding always inspect the cartridge lter to ensure that it is not damaged. To test the lter prior to welding, direct
the front of the cartridge lter to a bright light source which will cause the lens to darken. Then using your hand rapidly cover and
uncover the sensor. The lter should lighten momentarily then return to a dark state.
WARNING! DO NOT use the helmet if damaged or you suspect it may be faulty. (Contact Sealey stockist).
▲ DANGER! DO NOT USE if, at any time, the face plate in the cartridge FAILS to darken when exposed to a welding spark. Remove
cartridge and return to your Sealey stockist for checking.
▲ DANGER! Continued use of the product knowing that the auto darkening feature is NOT FUNCTIONING may DAMAGE YOUR EYES
and CAUSE BLINDNESS.
2. INTRODUCTION
Welding helmets with adjustable shade control between 9-13. Complies with BS EN 379, BS EN 175 and DIN standards. True colour
technology for improved depth perception, allowing far greater welding precision. Fully automatic switching from light to dark on striking
arc. Shade is selected by a rotary knob on side of helmet. Grinding function enables user to grind without removing mask. Solar panel
power supply - no batteries required. Features sensitivity and delay controls for switching light to dark. Suitable for MIG, TIG, arc
welding and grinding.
3. SPECIFICATION
Model No: .................................................... PWH1 / PWH2 / PWH3 / PWH4
Grinding Function: .................................................................................... Yes
Operating Temperature: ...........................................................-5°C to +55°C
Operating Time Light/Dark: .................................................................0.04ms
Power: ...........................................................................................Solar Cells
Shade Active: ............................................................................ 9-13 Variable
Shade Inactive: ............................................................................................ 4
Viewing Area: ..................................................................................92x42mm
Refer to
instructions
PWH1, PWH2, PWH3, PWH4 Issue 3 (F) 27/03/24
Original Language Version
© Jack Sealey Limited

4. OPERATION
WARNING! Before using the helmet for welding make sure you have read and understood the safety instructions in Section 1.
4.1. ADJUSTING THE FIT OF THE HELMET (FIG.1)
4.1.1. The circumference of the headband is adjusted by turning the wheel on the rear.
4.1.2. The two top straps can also be adjusted by releasing the pin from the top strap and adjusting as required.
4.1.3. The distance between the headband assembly and the helmet can be adjusted by undoing the external thumbwheels both sides and
sliding the headband assembly forwards or backwards, as required. Retighten the thumbwheels. (g.1.)
4.1.4. Test the t of the helmet by lifting it up and closing it a few times whilst wearing it. If the headband moves whilst tilting, readjust it until it
is stable.
4.2. ADJUSTING THE HELMET TILT (FIG.2)
4.2.1. If the cartridge window is not aligned with the eyes when the helmet is in the lowered position, adjust the tilt of the helmet in relation to
the headband.
4.2.2. Referring to g.1, loosen the external thumbwheels and lift the tab up to move it to make the helmet tilt up further or to tilt down further.
Then retighten the external thumbwheels.
4.3. GRIND POSITION (FIG.1)
4.3.1. Turn the shade knob anticlockwise until it clicks into the grind position.
▲ DANGER! When grinding is nished it must be turned back to the appropriate shade position before welding again. Failure to do this
could damage your eyes.
4.4. SELECTING DELAY/RESPONSE TIME (FIG.3)
4.4.1. The delay time is the time in which it takes the lens to change from dark to light. This is carried out by adjusting the delay time knob on
the cartridge.
4.5. SENSITIVITY (SEE FIG.3)
4.5.1. For normal light conditions set the sensitivity knob to the high setting.
4.5.2. For conditions when there is an excess of light, which may aect the performance of the lens, turn the knob to the low setting.
5. MAINTENANCE
5.1. CHANGING THE CARTRIDGE
5.1.1. All components clip into the rear of the helmet.
5.1.2. Bend the tabs on the bottom of the cartridge holder inwards to release them. Pull the cartridge holder down to disengage it from the top
lugs (g.5).
5.1.3. Pull the black knob o the potentiometer shaft on the side o the helmet and undo the nut at the base of the shaft and remove it (g.4).
5.1.4. Push the potentiometer through into the inside of the helmet. DO NOT loose the plastic disc from under the knob. Use the plastic disc
locating pin (g.4) as a reference for correct placement.
5.1.5. Carefully unclip the cartridge from its holder and replace.
5.1.6. Reassemble in the reverse order, ensuring that the pointer on the grinding knob is correctly orientated.
5.2. REPLACING THE OUTER PROTECTIVE LENS COVER
5.2.1. Gently slot the two tabs at the bottom of the lens into the slots at the bottom of the opening on the helmet, push the new lens in at the
top until you hear the tabs click into place, and ret the cartridge (g.7).
Forwards/backwards
adjustments
Circumference
adjustments
External
thumbwheel
Shade/grinding
knob
g.1
Sensitivity
Delay
g.3
Thumbwheel
Helmet Tilt
Adjustment
g.2
Locating Pin
Lock Nut
g.4
PWH1, PWH2, PWH3, PWH4 Issue 3 (F) 27/03/24
Original Language Version
© Jack Sealey Limited

5.3. REPLACING THE INNER PROTECTIVE COVER LENS
5.3.1. Use the recess on the top edge of the lens to pull it out and renew (g.6). Ret the lens under the clips at each side of the cassette.
5.4. CLEANING
5.4.1. Clean by wiping with a soft cloth. Clean cartridge surfaces regularly. DO NOT use solvent based cleaners. Clean sensors and solar
cells with methylated spirits using a clean cloth and wipe dry with a lint free cloth.
6. TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
Irregular darkening or dimming. The headband may have been unevenly
set on the two sides of the helmet
(unequal distances from the eyes to the
shade cartridge).
Readjust the distance of the shade
cartridge.
Shade cartridge does not darken or
ickers.
The sensors are soiled or obstructed. Clean.
Front cover lens oiled or damaged. Clean or replace.
Poor vision. Operative lenses and/or shade cartridge
soiled.
Check, clean or replace.
Insucient background lighting. Adjust light.
Slow response. Operating temperature too low. DO NOT use at temperatures below -10°C
(14°F).
Welding helmet slips. Headband adjustments incorrect. Refer to section 4.
7. SHADE GUIDE AND MARKINGS
Meaning of the markings on the lter:
4 9 13 SEALEY 1 3 1 379
Light state
scale no.
Lightest dark
state scale no.
Darkest state
scale no.
Manufacturers
identication.
Optical class. Diusion of
light class.
Variation in
luminance
transmittance
class.
Number of
the applied
standard.
g.7
g.5
g.6 g.5 g.7
PWH1, PWH2, PWH3, PWH4 Issue 3 (F) 27/03/24
Original Language Version
© Jack Sealey Limited

ENVIRONMENT PROTECTION
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted,
taken to a recycling centre and disposed of in a manner which is compatible with the environment. When the product
becomes completely unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and
dispose of the product and fluids according to local regulations.
WEEE REGULATIONS
Dispose of this product at the end of its working life in compliance with the EU Directive on Waste Electrical and Electronic Equipment
(WEEE). When the product is no longer required, it must be disposed of in an environmentally protective way. Contact your local solid
waste authority for recycling information.
Note: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior
notice.
Important: No Liability is accepted for incorrect use of this product.
Warranty: Guarantee is 12 months from purchase date, proof of which is required for any claim.
PWH1, PWH2, PWH3, PWH4 Issue 3 (F) 27/03/24
Original Language Version
© Jack Sealey Limited
REGISTER YOUR
PURCHASE HERE
EU | Sealey EU Ltd, Farney Street, Carrickmacross, Co. Monaghan, A81 PK68 Ireland
UK | Sealey Group, Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR
01284 757500 sales@sealey.co.uk www.sealey.co.uk
This document has been drawn up according to Regulation (EU) 2016/425 as amended to apply to GB for Personal Protective
Equipment. The declaration of conformity can be accessed at www.sealey.co.uk.
