Guyson Euroblast PF, Operating & Maintenance Instructions

Page: 63 / 84

Operation &
Maintenance
Manual
Issue: 09 A6ML0165 - Euroblast PF Manual
Date: 05/2019 Page: 63
Questions for pressure-feed machines
Fault No media emitted from blast nozzle when in
cycle
Action
Possible cause Nozzle blocked Unblock and clean
No main line air supply Ensure main line air valve is open
Media control valve closed Ensure media control valve is
open to pre-set position
Ball valve in blast air line closed Ensure valve is open
Fault Moisture coming from blast nozzle Action
Possible cause Fault with customer air supply Customer to check and correct
Fault Air pressure from blast nozzle drops Action
Possible cause Compressor fault/not to specification Customer to check and correct
Incorrect mains supply pipe diameter Refer to Data sheets, change pipe
Worn blast nozzle Replace
Fault Erratic media flow from gun nozzle Action
Possible cause Media control valve incorrectly set. Reset to produce even flow
Incorrect air-pressure setting Refer to Set-up information
Questions for machines with Cyclones / Dust collectors / Sieves
Fault Incorrect media separation Action
Possible cause Breather filters blocked Replace
Hole/blockage in sieve membrane Replace membrane
Hole in bellows/gaiter on sieve Replace
Fault Poor visibility/dust emissions Action
Possible cause Lack of negative pressure in extraction system Check machine extraction system
Poor media quality Replace all media
If problems are ongoing please conduct a full maintenance service of the equipment
or contact Customer Services to book a Guyson Service Engineer visit