Operation

Operation Operation

Operation

Checklist Checklist

ChecklistBefore Before

BeforeStarting Starting

Starting

•Checkthecompressedairsupplyaccordingtoits
operatormanual.Makesuretheairbeingsupplied
iscleanandrelativelyfreeofmoistureandoil
topreventwatercontaminationoftheaircontrol
components.
•Makesureairdeliveryvalvesareclosedbeforethe
airsupplycompressorisstarted.
•Makesureallrequiredhoserestraintsandcoupler
pinsareinworkingconditionandproperlyinstalled.
•Makesuretheequipmentissituatedonlevel
ground.Failuretokeeptheunitonlevelground
willmakeitdifcultorimpossibletopurgeallofthe
airfromthepressurevessel.
•Makesuretheequipmentisproperlysupportedon
asurfacethatcanholditstotalweight.Theweight
ofallpersonnel,thematerialbeingblasted,and
anyabrasivebeingstoredmustalsobeconsidered
(seeTechnicalSpecications,page45).
•Makesurethewatertankwillremainfullysupplied
withcleanwatertoavoidanypossibilityofthe
pumprunningdryduringblasting.
•Makesurethatthepotiscleanandfreeofany
internaldebris.
•Makesuretousethecorrecttypeofblastcontrol.
Blastingwith150feet(45m)ormoreofblasthose
requirestheuseofanelectricblastcontrol.An
electricblastcontrolcanalsobeusedonhose
lengthsbelow150feet(45m).
•Makesuretheblasthoseislaidoutasstraightas
possiblebetweentheequipmentandtheworksite
(acoiledblasthosewilluncoilunderpressure).
NOTICE NOTICE
NOTICE
Sharpbendsintheblasthosecouldcausethe
abrasivetowearthroughthehoseandcause
prematurefailureofthehose.
•Makesuretherubbergasketineachhosecoupler
isinworkingcondition.
334667B 9