Rotfuchs EH250 Original Instructions Manual page 23

8.  Theoperatormustinspectthesafetyequipmentpriortooperatingthecablewinch.
9.  Neverattachtheloaddirectlytothehoistingcablebutalwaystotheloadhook.
10. Theoperatorshouldhoisttheloadswithlowestspeedfromtheground.Andthecable
shouldbetensebutnotunwoundwhenstartloadingfromtheground.
11. Donottrytoliftthefixedorpluggedloads.
12. Loadscanonlybehoistedandloweredvertically.Donothoisttheloadssideling.
13. Avoidtheexcessiveditheringwhichwillbringtransitoryimpacttomotorandwillleadto
damagethemotor.
14. Theoperatormustalwaysmonitorthemovementoftheload.
15. Iftheoperatorcannotseetheupwardordownwardmovementoftheload,thehazard
areamustbeblockedandassistantsmustbeused,whichcanclearlyseetheworkarea.
16. Theoperatormustbeabletoseetheendoftheloadrouteinordertopreventtheauto-
maticactivationoftheemergency-offswitch.
17. Iftheoperatorleavesthecablewinchwhilealoadfloats,thehazardareaunderneaththe
loadmustbesecured.
18. Cablewinchescanbeusedonlytohoistandlowerloads.Transportationofpersonsis
prohibited.
19. Itisimperativetopreventtheloadfromgettingcaughttopreventoverload.
20. Theloadtobetransportedmustalwaysbesecuredandfastenedtotheattachment
hook.
21. Immediatelyreplaceadamagedcable(seedia.6).Pleasebesuretotheenoughlubricant
onparts.Daubthelubricantontheloadhook,cabledrumshaft,slowdowmbox,andea-
ringeveryhalfayear.Pleasedaubthelubricantonthenestingofcabledrumshaftwhen
replacethesteelcableeverytime.
22. Accordingtotheusingfrequency,makesuretoroundlymaintenanceforthecablewinch
atleastonceeveryyeal.
10.1 Intermittent rating
ThiscablewinchisdesignedforoperatingtypeS320%-10min(periodicintermittentoperati-
on).Therelativedutycycleis20%,whichmeansthatthedevicecanbeoperatedatratedload
for2.0minutesduringeachoperatingcycleandmustthenbeswitchedofffor8.0minutesto
cooloff.Thedevicecanthereforebecontinuouslyusedforadurationof20%ofthetotalope-
ratingcycleof10minutesatratedload.
10.2 Overload
1.  Thecablewinchisnotsuitableforcontinuousoperation.Themotorisprotectedfrom
overloadandoverheatingbyatemperatureswitch.
2.  Ifthepermissibleoperatingtimeisexceeded,themotortemperaturewillincreaseand
thetemperatureswitchwillshutthecablewinchoff.Thetemperatureswitchwillautoma-
ticallyswitchbackonafteracoolingphase.
3.  Incaseofastrainonthecablehoistwithalesserload,theoperatingtimewillincrease
andthecoolingtimewilldecrease.
4.  Attention!Incaseofdirectexposuretosunlight,thetemperatureofthecasingwillincre-
asesignificantly,whichwillalsodecreasethepermissibleoperatingtime.Itistherefore
possiblethatthetemperatureswitchwillswitchoffafterashorttimeperiodandthe
cablewinchwillshutdown.Pleasewaituntilthedeviceiscooledoff.
11. Operation
1.  Priortostartingwork,pleasebesurethatthesteelcableiswoundupexactly,layernext
tolayeronthecabledrum.Neverunwindthecablecompletely!Alwaysleaveatleast3
layersonthecabledruminordertopreventdamagestothecable.
2.  Thecablewinchisoperatedusingtheoperatingpanel(dia.1,item10).Whenoperating
theupperpositionoftheswitch,theloadishoistedup.Whenoperatingthelowerpo-
sition,theloadislowered.Neverswitchdirectlyfromhoistingtoloweringorviceversa.
Alwaysstopthecablewinchpriortochangingdirections.
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