JLG 680S, Service And Maintenance Manual

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SECTION 4 - BOOM & PLATFORM
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5. Remove the hardware securing the rod end pivot pin
and remove the pivot pin.
6. Remove the hardware pin securing the barrel end of
pivot pin and remove the pivot pin.
7. Using the lifting device, slide the lift cylinder back
enough to allow the cylinder end to clear the attach-
ment point on the boom.
8. Slide the lift cylinder sideways enough to remove it from
the machine.
Installation
1. Using an adequate lifting device, position the lift cylin-
der in the machine in the same manner that it was
removed.
NOTE: The lift cylinder weighs approximately 615 lbs (279 kg).
2. Using a suitable brass drift and hammer, install the bar-
rel end pivot pin. Secure pivot pin with mounting hard-
ware.
3. Extend the cylinder rod until it aligns with the attach-
ment point on the boom. Take care not to extend the
cylinder rod too far.
4. Using a suitable brass drift and hammer, install the rod
end pivot pin. Secure pivot pin with mounting hard-
ware.