1-4
SAFETY
HT4100 Instruction Manual: Operation
SAFETY INSTRUCTIONS
Burn Prevention
To protect eyes against burns caused by high-intensity ultraviolet light, sparks and
hot metal:
• Wear dark safety glasses/goggles with side shields or a welding helmet. Refer to
the chart below for recommended lens shades:
Arc Current
Shield Shade
Up to 100 Amps
Shade No. 8
100 - 200 Amps
Shade No. 10
200 - 400 Amps
Shade No. 12
Over 400 Amps
Shade No. 14
• Replace the glasses/goggles or helmet when the shield becomes pitted or
broken.
• Warn other people in the area not to look directly at the arc unless they wear a
glasses/goggles or helmet.
• Prepare the cutting area in a manner that reduces the reflection and transmission
of ultraviolet light:
-
Paint walls and other surfaces with dark colors to reduce reflection.
-
Install protective screens or curtains to reduce ultraviolet transmission.
To protect skin against burns caused by high-intensity ultraviolet light, sparks and hot
metal:
• Wear protective clothing:
-
Gauntlet gloves, safety shoes and hat.
-
Flame-retardant clothing which covers all exposed areas.
-
Cuffless trousers to prevent entry of sparks and slag.
• Hold any hand torch away from your body when pressing the start button because
the pilot arc may come on immediately.
Eye
Safety
Skin
Safety