Miller T94 Series Owner's Manual
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Miller T94 Series Owner's Manual

Auto-darkening helmets
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OM-255503E
2021-05
T94, T94i, and
T94i XL
Series
Auto-Darkening Helmets
T94
T94i
T94i XL
OWNER'S MANUAL

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Summary of Contents for Miller T94 Series

  • Page 1 OM-255503E 2021-05 T94, T94i, and T94i XL Series Auto-Darkening Helmets T94i T94i XL OWNER’S MANUAL...

  • Page 2: Table Of Contents

    Adjusting Headgear On T94 Series Helmets ........

  • Page 3: Section 1 - Safety Precautions - Read Before Using

    SECTION 1 – SAFETY PRECAUTIONS – READ BEFORE USING Protect yourself and others from injury—read, follow, and save these important safety precautions and operating instructions. 1-1. Symbol Usage DANGER! – Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
  • Page 4 � Before welding, adjust the auto-darkening lens sensitivity setting to meet the application. � Stop welding immediately if the auto-darkening lens does not darken when the arc is struck. NOISE can damage hearing. Noise from some processes or equipment can damage hearing. �...

  • Page 5: California Proposition 65 Warnings

    � Do not weld in locations near degreasing, cleaning, or spraying operations. The heat and rays of the arc can react with vapors to form highly toxic and irritating gases. � Do not weld on coated metals, such as galvanized, lead, or cadmium plated steel, unless the coating is removed from the weld area, the area is well ventilated, and while wearing an air- supplied respirator.

  • Page 6: Principal Safety Standards

    1-5. Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, American Welding Society standard ANSI Standard Z49.1. Website: http://www.aws.org. Safe Practice For Occupational And Educational Eye And Face Protection, ANSI Standard Z87.1, from American National Standards Institute. Website: www.ansi.org. Safety in Welding, Cutting, and Allied Processes, CSA Standard W117.2 from Canadian Stand- ards Association.

  • Page 7: Section 2 - Consignes De Sécurité - Lire Avant Utilisation

    SECTION 2 – CONSIGNES DE SÉCURITÉ - LIRE AVANT UTILISATION Pour écarter les risques de blessure pour vous-même et pour autrui — lire, appliquer et ranger en lieu sûr ces consignes relatives aux précautions de sécurité et au mode opératoire. 2-1.
  • Page 8 � Avoir recours à des écrans protecteurs ou à des rideaux pour protéger les autres contre les rayonnements les éblouissements et les étincelles ; prévenir toute personne sur les lieux de ne pas regarder l’arc. � Porter un équipement de protection pour le corps fait d’un matériau résistant et ignifuge (cuir, coton robuste, laine).

  • Page 9: Proposition Californienne 65 Avertissements

    LES FUMÉES ET LES GAZ peuvent être dangereux. Le soudage produit des vapeurs et des gaz. Respirer ces vapeurs et ces gaz peut être dangereux pour votre santé. � Écarter la tête des fumées. Ne pas inhaler ces fumées. � À l’intérieur, ventiler la zone et/ou utiliser une ventilation forcée au niveau de l’arc pour l’éva- cuation des fumées et des gaz de soudage.

  • Page 10: Principales Normes De Sécurité

    Classe de N° de classe Taille d'électrode Courant d'arc protection Procédé de protection in. (mm) en ampères suggérée minimum (Comfort)* Léger Moins de 500 Coupage arc-air (CAC-A) Lourd 500–1000 Moins de 20 20–40 40–60 Coupage à l'arc 60–80 plasma 80–300 300–400 400–800 Moins de 20...

  • Page 11: Section 3 - Definitions

    SECTION 3 – DEFINITIONS 3-1. Additional Safety Symbol Definitions Warning! Watch Out! There are possible haz- ards as shown by the symbols. Accidental ingestion prevention. Keep battery away from children. Battery is harmful if swallowed. 3-2. Miscellaneous Symbols And Definitions Positive Negative OM-255503 Page 9...

  • Page 12: Section 4 - Specifications

    Power Off Low Battery Red LED illuminates to indicate 2–3 days remaining battery life Light Power Supply Panasonic CR2450 Lithium Battery Panasonic CR2450 Lithium Battery (Miller Part. No. 217043) (Miller Part. No. 217043) Qty 1 Qty 2 Sensors Independent/Redundant (Four) Operating 14°F to 131°F (–10°C to 55°C)

  • Page 13: Section 5 - Operating Instructions

    3-1. Helmet Configurations SECTION 5 – OPERATING INSTRUCTIONS 5-1. Helmet Configurations 1 T94 Helmet The T94 helmet features a fixed position, auto-darkening lens and is designed for standard welding applications. 2 T94i And T94i XL Helmets The T94i and T94i XL helmets feature a flip-up auto-darken- ing lens and a separate, clear grinding shield.

  • Page 14: Helmet Controls

    5-2. Helmet Controls MEMO(B) 7 Adjust Button The lens on T94 Series helmets turns on (darkens) automatically when welding be- 8 Increase (+) Button gins and turns off when welding stops. 9 Decrease (–) Button 1 Mode Button (On/Off) (See Sections 5-3...

  • Page 15: Mode Button And Grind/Low Battery/Memory Function Light

    Mode and Info lithium battery (1 required for T94/T94i and 2 adjustments. required for T94i XL - Miller Part No. 217043). See Section 8-1. When the Mode button is pressed, the hel- met control display will appear. Do not use the helmet if the lens does not function as described.

  • Page 16: Mode Control Settings

    5-4. Mode Control Settings MEMO(B) Grind Mode - used for metal grinding appli- 1 Mode Button cations. In this mode the shade is fixed 2 External Grind Mode Button shade No. 3. No lens adjustments are possible. Press Mode button to select the mode ap- propriate for the work activity: Use external Grind Mode button to select grinding mode without raising helmet.

  • Page 17: Variable Shade Control

    5-5. Variable Shade Control MEMO ( B ) X-Mode - No. 8 - No. 13 (XL Models No. 8 – 1 Mode Button No. 14) 2 Increase (+) And Decrease (-) Buttons Start at the highest setting and adjust lighter to suit the application and your personal Use the + and - adjustment buttons to adjust preference.

  • Page 18: Lens Delay Control

    5-6. Lens Delay Control MEMO ( B ) 1 Mode Button Weld, Cut, X-Modes - 0 - 10 2 Adjust Button Grind Mode - No delay adjustment 3 Increase (+) And Decrease (–) Buttons � There is no lens delay adjustment in Select Delay by pressing the Adjust button.

  • Page 19: Sensitivity Control

    5-7. Sensitivity Control MEMO ( B ) 1 Mode Button � Adjust helmet sensitivity in lighting con- 2 Adjust Button ditions helmet will be used in. � Press Mode (On/Off) button to turn lens 3 Increase (+) And Decrease (-) Buttons On.

  • Page 20: Typical Lens Adjustment Procedure

    5-8. Typical Lens Adjustment Procedure � Lens assembly displays MEMO(B) prior settings when turned On. Retained set- tings are not shown in example. � In the Grind mode the lens is a fixed shade No. 3. No lens adjustments are possible. MEMO(B) Adjusting Lens Assembly: �...

  • Page 21: Arc Time And Arc Count Control

    5-9. Arc Time And Arc Count Control MEMO ( B ) The arc time function records the amount of Arc Time/Count Procedure time the lens assembly is dark (exposed to an arc). The arc count function records the � Press Mode (On/Off) button to turn hel- number of times the lens darkens.

  • Page 22: Memory Control

    5-10. Memory Control MEMO ( B ) The memory function saves two preset � To set memory one, press and hold the modes with the desired shade setting, delay, One button for three seconds. and sensitivity. � Adjust helmet mode, shade, delay, and sensitivity to desired settings for memo- 1 Memory One Button ry two.

  • Page 23: Section 6 - Adjusting Headgear

    SECTION 6 – ADJUSTING HEADGEAR 6-1. Adjusting Headgear On T94 Series Helmets � There are four headgear adjustments: headgear top, tightness, angle, and distance. 1 Headgear Top Adjusts headgear for proper depth on the head to ensure correct balance and stability.

  • Page 24: Section 7 - Replacing Lens Covers

    SECTION 7 – REPLACING LENS COVERS 7-1. Replacing HDV Grinding Shield On T94i and T94i XL Helmets Never use the helmet unless the lens is properly installed. 1 HDV Grind Shield Lens Remove lens by pulling out- ward on left or right edge. Install new lens by aligning it with the grind shield visor and pressing inward.

  • Page 25: Replacing Hdv Cover Lens

    7-2. Replacing HDV Cover Lens Remove the inside lens cover by pulling top Never use the auto-darkening lens center of lens cover from lens holding without the inside and outside lens channels. covers properly installed. Welding spatter will damage the auto-darken- Replace the lens cover by gently bowing it in ing lens and void the warranty.

  • Page 26: Section 8 - Replacing The Battery

    MEMO ( B ) Be sure Positive (+) side of battery faces up. To replace the battery, remove the auto- required for T94i XL - Miller Part No. darkening lens assembly (see Section 7). 217043). � 1 Battery Tray Be sure Positive (+) side of the battery faces up (toward inside of helmet).

  • Page 27: Section 9 - Installing Optional Magnifying Lens

    SECTION 9 – INSTALLING OPTIONAL MAGNIFYING LENS 9-1. Installing Optional Magnifying Lens 1 Optional Magnifying Lens 2 Magnifying Lens Adapter Frame To install optional magnifying lens, a magnifying lens adapt- er frame is necessary. � Install adapter by placing it toward the top of the lens and then sliding the adapter down...

  • Page 28: Section 10 - Maintenance And Storage

    SECTION 10 – MAINTENANCE AND STORAGE � Do not use solvents or abrasive cleaning detergents to clean the helmet. Do not immerse the lens assembly in water. � Keep helmet dry; do not expose helmet to rain or snow. Keep helmet away from fire and oth- er sources of heat.

  • Page 29: Section 11 - Troubleshooting

    SECTION 11 – TROUBLESHOOTING 11-1. Troubleshooting Trouble Remedy Auto lens not On – au- Check batteries and verify they are in good condition and installed to-lens does not darken properly. momentarily when the Check battery surfaces and contacts, and clean if necessary. On button is pressed.

  • Page 30: Section 12 - Parts List

    SECTION 12 – PARTS LIST Figure 12-1. T94 Auto-Darkening Welding Helmet OM-255503 Page 28...
  • Page 31 —Kit, Headgear Adjust Angle 770249 —Headband, Fabric 260197 Covers, Side Window 259574 Tray, Battery 217043 Battery, Lithium (CR2450) 770250 Helmet Bag - Miller ♦222003 Adapters, Hard Hat (Not Shown) 256179 Button, Grind Mode ♦212235 Lens, 0.75 Magnification ♦212236 Lens, 1.00 Magnification ♦212237 Lens, 1.25 Magnification...
  • Page 32 Figure 12-2. T94i Auto-Darkening Welding Helmet OM-255503 Page 30...
  • Page 33 260197 Covers, Side Window 260486 Headgear, Gray (Includes) *265891 —Kit, Headgear Adjust Angle 770249 —Headband, Fabric 770250 Bag, Helmet (Miller Logo) ♦265315 Adapters, Hard Hat (Not Shown) ♦212235 Lens, 0.75 Magnification ♦212236 Lens, 1.00 Magnification ♦212237 Lens, 1.25 Magnification ♦212238 Lens, 1.50 Magnification...
  • Page 34 Figure 12-3. T94i XL Auto-Darkening Welding Helmet OM-255503 Page 32...
  • Page 35 Adapter, Magnification Lens (T94i XL) 260486 Headgear, Gray (Includes) *265891 —Kit, Headgear Adjust Angle 770249 —Headband, Fabric 770250 Bag, Helmet (Miller Logo) ♦265315 Adapters, Hard Hat (Not Shown) ♦212235 Lens, 0.75 Magnification ♦212236 Lens, 1.00 Magnification ♦212237 Lens, 1.25 Magnification ♦212238...

  • Page 36: Section 13 - Limited Warranty

    Miller. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANT- ABILITY AND FITNESS.
  • Page 40 For product information, Owner’s Manual translations, and more, visit www.MillerWelds.com ORIGINAL INSTRUCTIONS © Miller Electric Mfg. LLC 2021-05...

This manual is also suitable for:

T94i seriesT94i xl series

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