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Zoomlion RT60 User Manual

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07-25
BOOMRETRACTING
a) Makesuretheseatoccupiedandactivatethepedaltoretracttheboom;
b) Tiltthepedalbackwardtoretracttheboom.IftelescopingcylinderIIisactivated,telescopic
sections2,3and4retract.WhencylinderIIisfullyretracted,LMIwillalarm.Pushbuttonon
LMItochangetocylinderI.Thetelescopicsection1willthenretract;
c) Aftertheboomretractstorequiredposition,slowlytiltthepedalforwardtoneutral
position.
Fig.07-21
Caution
(1)Thehookwillberaisedorloweredduringtheprocessofboomextendingand
retracting.Therefore,movetherelevantjoysticktopayoutortakeinthehoist
ropetoregulatethehookheight.Theoperationmustbeslowlyandstably;
(2)Thespeedofcranemovement Boomextending/retracting canbecontrolled
byTHROTTLEPEDAL.Tiltthepedalallthewayforwardforhighspeedextend
orretract.Donotchangethespeedjerkilytoensurestablemovements;
(3)Waitfor2secondstoextendtheboomafterboomfullyretracted;
(4)Lifttheloadverticallyanditisforbiddentolifttheloaddiagonally.Donot
laterallydragtheloadwhichisstillontheground;
(5)Itisforbiddentousethebypasskeyswitchexceptundercommissioningand
maintenance;
(6)Theboomwillberetractedalittleautomaticallyaftertheboomisextendedfora
periodoftime;
Cause:
- Variationofhydraulicoiltemperature;
- Boomextension/retractionstatus,boomangle;
- Lubricatingstatus.
Solutions:
- Keepthehydraulicoiltemperaturenottorisetoohigh;
- Extendtheboomtothedesiredlength.
(7)Donotextend/retracttheboomwithload.

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Zoomlion RT60 Specifications

General IconGeneral
BrandZoomlion
ModelRT60
CategoryConstruction Equipment
LanguageEnglish

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