16
TROUBLESHOOTING
Malfunction PossibleReason Solutions/Remarks
pumpdoesnotoperate airsupplylineblocked/closed
mufflerblocked
workingchambersblocked
aircontrolsystemdefective
dischargelineblocked/closed
openairsupply
clean/replacemuffler
removeblockage
replaceairvalvesystem
clean/openline
pumpoperatesunsteadily pistonringsworn
aircontrolsystemworn
diaphragmrupture
aircontrolsystemsoiled
checkvalveblocked
icing
replacepistonrings
replaceaircontrolsystem
replacediaphragm,cleanpump
clean/replaceaircontrolsystem
cleaning,removalofbulkparticles
improveairprocessing
airwithinliquid suctionlineleaky
containerwithliquidempty
diaphragmrupture
cavitation
sealsuctionline
fill/newcontainer
replacediaphragm
adaptsuctionlift,possiblyinstall
suctionpressurisedairchamber
insufficientdischargepressure insufficientpressure/amountof
drivingair
airsupplylineleaky
aircontrolsystemleaky
checkvalveworn
moreairconsumingcomponents
increaseairsupply
check/repairairsupply
replaceaircontrolsystem
check/replacecheckvalve
increasepressure/amountofair
outputdecreases aircontrolsystemsoiled
icing
airpressuredrop
suctionline/inletstrainersoiled
dischargeline/outletstrainersoiled
mufflerblocked
checkvalveworn
changeinviscosity
moreairconsumingcomponents
clean/replaceaircontrolsystem
improveairprocessing:dryer/filter
ensuresufficientsupplyofair
cleaning
cleaning
replacethemuffler
replacevalve
changeback/adjustpump
increasepressure/amountofair
pumpstopsitself icingoftheaircontrolsystem
airpressuretolow
airpressuredrop
dischargelineblocked
airfilterblocked
valveclosed
aircontrolsystemdefective
wear/leakingofaircontrolsystem
diaphragmrupture
checkvalveblocked/worn
improveairprocessing:dryer/heater
etc.
increaseairpressure
ensuresufficientairsupply
cleandischargeline
cleanairfilter
openvalve
replaceaircontrolsystem
replaceaircontrolsystem
replacediaphragm,cleanpump
clean/replacecheckvalve