TUFFA TANKS 30000VBFS - Maintenance of the TUFFA TANKS; 8.4 Troubleshooting Guide

46 47
8.4 Troubleshooting
Symptom PossibleCauses Solutions
Nopower 1.Localdistributionboardfuse 1.ChecklocaldistributionboardRCD
2.Powercabledamaged 2.Checkconditionofpowercables
3.Powercableconnectionbroken 3.Checkpowercableconnections
4.Systemcontrolpanelcircuitbreakers 4.Opensystemcontrolpaneland
checkcircuitbreakers
5.Systemcontrolpanelconnections
loose
5.Checkcableconnectionsinsideof
systemcontrolpanel
6.Lowbattery/poorbatteryclip
connection
6.Checkbatterylevel/checkclip
connection
Pumpnotoperating 1.Potentialairlockinpipelinecausedby
tankllafterrunningdry
1.Removenozzleallowingairtopass
throughpipeline
2.Nodieselinthesystem 2.Requestdieseldelivery
3.Pumpcircuitbreakerincontrolpanel
tripped
3.Engagepumpcircuitbreakeror
replaceifnecessary
4.Pumprelayfuseinsystemcontrol
panelblown
4.Replacerelay/fuse
5.Pumpfailure 5.Replacepump
6.Nopowertosystem 6.Checkpowersupply
Slowowrate 1.Blockageinthesystem 1.Replacelterelement
Autonozzlenot
operating
1.Springmechanisminsidenozzlevalve
failed
1.Replacenozzle
2.Triggerplungerfailed 2.Replacenozzle
Nozzleholsternot
switchingpump
correctly(auto
operationnozzle
holsterversionsonly)
1.Microswitchfailure 1.Replacemicroswitch
2.Microswitchlevernotcontacting
correctly
2.Adjustpositionofmicroswitchor
switchlever
Levelgaugedoesnot
showreading
1.Powerfailuretogauge 1.Checkpowersupplyandcable
connections
2.Sensorcableconnectionloose 2.Checksensorcableconnections
insidegaugeunit
3.Sensorfailure 3.Refertomanufacturer
4.Gaugeunitfailure 4.Refertomanufacturer
Levelgaugeshows
incorrectreading
1.Pressuresensornotpositionedatbase
oftank
1.Lowerpressuresensordownuntil
ittouchesbaseoftank
2.Incorrectgaugeparameters 2.Refertomanufacturertoalter
gaugeparameters
3.Sensorfailure 3.Refertomanufacturer
4.Gaugeunitfailure 4.Refertomanufacturer
8. MAINTENANCE OF THE TUFFA TANKS 8. MAINTENANCE OF THE TUFFA TANKS
8.4 Troubleshooting
Symptom PossibleCauses Solutions
Bundalarmnot
working
1.Bundoatswitchnotpostioned
correctly
1.Alterpositionofoatswitchtohang
approximately1”o󰀨bundoor
2.Bundoatnotabletomovefreely 2.Checkoatswitchforblockageor
replaceifnecessary
3.Damagetobundcable 3.Refertomanufacturer
4.Floatswitchcable 4.Refertomanufacturer
Dieselinbundcavity 1.Innertankoverll 1.Dieselmustberemovedfromthe
cavityassoonaspossible
2.Pipeworkleakinginbundcavity 2. See point 1
3.Innertankleaking 3. See point 1
Pipeworkleaking 1.Threadedconnectionloose 1.Connectionmustbetightened
2.Threadsealantdegraded 2.Threadsealantmustbereplaced
3.O-ringorsealjointperished 3.O-ringorsealmustbereplaced
4.Swagedhoseendsleaking 4.Hoseassemblyneedsreplacing:
refertomanufacturer
5.Rubberhoseperished 5. See point 4
Hosereelnot
operatingcorrectly
1.Internalreelspringhascomeloose 1.Refertomanufacturer
2.Springfailure 2.Refertopoint1
Leakfromtheshaft
gasket
1.Damagedgasket 1.Remove(seesection“Gearunit”)
andreplacetheOringandthebush
Insu󰀩cientaccuracy 1.Wrongcalibration 1.Repeatcalibrationfollowingthe
instructionsinsection“Measuring
chamber”
2.Soiledorblockedmeasuringchamber 2.Cleanthemeasuringchamber
followingtheinstructionsinsection
“Meterunit”
3.Airintheuid 3.Locateandeliminateleaksininlet
lines
Reducedowrate 1.Cloggedorblockedmeasuring
chamber
1.Cleanthemeasuringchamber
followingtheinstructionsinsection
“Measuringchamber”
2.Blockedorsoiledlter 2.Cleanthelter
Innertankhaslifted
upandrupturedbund
lid
1.Dieselinsidebundiscausinginnertank
tooat
1.Refertomanufacturer
Tankexterior
damaged
1.Impactfromexternalforce 1.Ifthedamageissignicantreferto
manufacturerforfurtherinformation
Flipliddoesnotopen
easily
1.Gasstrut(s)havede-gasedandarenot
operating
1.Gasstrut(s)needreplacing