JLG X20JPLUS - Pin Locking Bolts and Nuts

SAFETYDEVICE
51
MUX20JP021602
BoomLiftModels X20JPLUS
8.11.PINLOCKINGBOLTSANDNUTS
Allthepinsusedontheplatformweretreatedagainstwearandarefittedwith
flangestopreventthemfromrota tinginsidetheirseat. Somepinshavebolts to
stoprotationwhileotherspinshaveajointinthestructureofthemachine.The
pinsinthemostde
licatepositionsarethreadedattheendsandarefittedwithself
lockingnutsorselflockingthreadedringnutstopreventthestructurefromsub‐
siding.Checkthecorrecttightnessofallthepinlockingdevicesaccordingtothe
intervalsindicatedbythemanufacturerofthemachine.
Fig.26 Fl
ange Fig.27 Boltstostoprota‐
tion
Fig.28 Selflockingnuts
Neverloosenthepinlockingdevicesandperiodicallychecktheyare
correctlytightened.Apinthatcomesoffitshousing,evenpartially,
maycauseunexpectedanduncontrollablemovementsandevencause
themachinetolosestabilityand/orthebaskettofall.