Lukas HT 90 - 10 Troubleshooting

20
10. Troubleshooting
Fault Check Cause Solution
Cylinderdoesnot
extend,
extendstooslow-
lyorstopswhen
extending
Checkthehydrau-
licuidlevelinthe
pumpsupplyingthe
uid.
Insu󰀩cienthydrau-
licuidinthehand
pump.
Rellthehydraulic
uid.
Checkthatthe
pressurereliefvalve
onthehandpumpis
closed.
Pressurereliefvalve
onhandpumpopen.
Closethepressure
reliefvalveonthe
handpump.
Checkthatall
couplingsarefully
tightened.
Hydrauliccoupling
loose.
Tightenhydraulic
coupling.
Airinhydraulicsys-
tem.
Venthydraulicsys-
teminaccordance
withsection6.1.
Checkthecylinder
fordamage.
Cylinderpistonjams. Havethedamage
repairedbyan
authoriseddealer,by
personnelspecially
trainedbyLUKAS,
orbyLUKASitself.
9.3.5 Decals
Alldamagedand/orillegiblelabels(safetynotices,typeplate,etc.)mustbereplaced.
Procedure:
1. Removedamagedand/orillegibledecals.
2. Cleansurfaceswithacetoneorindustrialalcohol.
3. A󰀩xnewdecals.
Takecaretoa󰀩xthelabelsinthecorrectpositions.Ifthisisnolongerknown,youshouldask
yourauthorisedLUKASdealerorcontactLUKASdirectly.