User guide

CUTMASTER A40
1-2 GENERAL INFORMATION Manual 0-4978
• Disconnectpowersourcebeforeperforminganyservice
or repairs.
• Readandfollow alltheinstructions intheOperating
Manual.
FIRE AND EXPLOSION
Fireandexplosioncanbecausedbyhotslag,sparks,orthe
plasma arc.
• Besurethereisnocombustibleorammablematerial
intheworkplace.Anymaterialthatcannotberemoved
must be protected.
• Ventilateallammableorexplosivevaporsfromthe
workplace.
• Donotcutorweldoncontainersthatmayhaveheld
combustibles.
• Providearewatchwhenworkinginanareawherere
hazards may exist.
• Hydrogengasmaybeformedandtrappedunderalu-
minumworkpieceswhentheyarecutunderwateror
while using a water table. DO NOT cut aluminum alloys
underwater or on a water table unless the hydrogen gas
can be eliminated or dissipated. Trapped hydrogen gas
that is ignited will cause an explosion.
NOISE
Noise can cause permanent hearing loss. Plasma arc processes
cancausenoiselevelstoexceedsafelimits.Youmustprotect
yourearsfromloudnoisetopreventpermanentlossofhearing.
• Toprotectyourhearingfromloudnoise,wearprotec-
tiveearplugsand/orearmuffs. Protectothersinthe
workplace.
• Noiselevelsshouldbemeasuredtobesurethedecibels
(sound)donotexceedsafelevels.
• Forinformationonhowtotestfornoise,seeitem1in
Subsection1.03,Publications,inthismanual.
PLASMA ARC RAYS
PlasmaArcRayscaninjureyoureyesandburnyourskin.The
plasmaarcprocessproducesverybrightultravioletandinfra
red light. These arc rays will damage your eyes and burn your
skinifyouarenotproperlyprotected.
• Toprotectyoureyes,alwayswearaweldinghelmetor
shield. Also always wear safety glasses with side shields,
gogglesorotherprotectiveeyewear.
• Wearweldingglovesandsuitableclothingtoprotectyour
skinfromthearcraysandsparks.
• Keephelmetandsafetyglassesingoodcondition.Re-
placelenseswhencracked,chippedordirty.
• Protectothersintheworkareafromthearcrays.Use
protectivebooths,screensorshields.
• Usetheshadeoflensassuggestedinthefollowingper
ANSI/ASCZ49.1:
Minimum Protective Suggested
Arc Current Shade No. Shade No.
 LessThan300* 8 9
 300-400* 9 12
 400-800* 10 14
* 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.
!
WARNING
WARNING: This product contains chemicals,
including lead, known to the State of California to
cause birth defects and other reproductive harm.
Wash hands after handling.
1.03 PUBLICATIONS
Refertothefollowingstandardsortheirlatestrevisionsfor
more information:
1. OSHA, SAFETY AND HEALTH STANDARDS, 29CFR
1910,obtainablefromtheSuperintendentofDocu-
ments,U.S.GovernmentPrintingOfce,Washington,
D.C.20402
2. ANSIStandardZ49.1,SAFETYINWELDINGANDCUT-
TING,obtainablefromtheAmericanWeldingSociety,
550N.W.LeJeuneRd,Miami,FL33126
3. NIOSH,SAFETYANDHEALTHINARCWELDINGAND
GASWELDINGANDCUTTING,obtainable fromthe
SuperintendentofDocuments,U.S.GovernmentPrint-
ingOfce,Washington,D.C.20402
4. ANSIStandardZ87.1,SAFEPRACTICESFOROCCU-
PATIONANDEDUCATIONALEYEANDFACEPROTEC-
TION, obtainable from American National Standards
Institute,1430Broadway,NewYork,NY10018
5. ANSIStandardZ41.1,STANDARDFORMEN’SSAFETY-
TOEFOOTWEAR,obtainablefromtheAmericanNa-
tionalStandardsInstitute,1430Broadway,NewYork,
NY 10018
6. ANSIStandardZ49.2,FIRE PREVENTION IN THE USE
OF CUTTING AND WELDING PROCESSES, obtainable
fromAmericanNationalStandards Institute,1430
Broadway,NewYork,NY10018