Graco EcoQuip - Page 28

Troubleshooting
Pneumatic Pneumatic
Pneumatic
Blast Blast
Blast
Control Control
Control
Circuit Circuit
Circuit
1.AttheAir-Relay,disconnectthepush-to-connect
tubingandcheckthetriggercircuit(fromtheblast
controlhandle).
2.Withtheblastcontrolswitchactivated,con󰘰rm
thatthereisair󰘱owingfromthedisconnected
tube.
NOTE: NOTE:
NOTE:
Theair󰘱owshouldbeatsupplyair
pressurebuttheairvolumeisreduceddueto
thesizeofthe󰘰ttingsandtubing.Ifyoudonot
getsupplyairpressure,checktheblastcontrol
switchforproperoperation,andchecktheblast
controlhosestomakesuretheyarenotkinked
orinternallyblocked.
3.Checkthein-line󰘰lterattheindustrialinterchange
nippleconnectiononthesideofthepanel(where
youattachtheblastcontrolhose).
4.Ifthepreviousstepsdonot󰘰xtheissue,replace
theairrelay.
Pneumatic Pneumatic
Pneumatic
Blast Blast
Blast
Control Control
Control
— —
—
ATEX ATEX
ATEX
Approved Approved
Approved
Electric/Pneumatic Electric/Pneumatic
Electric/Pneumatic
Blast Blast
Blast
Control Control
Control
28334142F