Service Manual Instruction Manual

SECTION 4 - BOOM & PLATFORM
3121171 – JLG Lift – 4-83
18. Telescope the main boom out until the retaining pin at
the end of the telescope cylinder rod can be accessed.
19. Place blocking or boom supports under the main boom
to support it.
20. Place blocking under the main lift cylinder to support it.
21. Place blocking under the lower link to support it.
22. Remove the shoulder screws, retaining rings, and pin
securing the end of the telescope cylinder.
23. Remove the bolts securing the rear boom cover and
remove the cover.
24. Place blocking under the telescope cylinder to prevent it
from falling when the retaining pin is removed.
25. Remove the bolt and keeper pin securing the retaining
pin in place. Remove the retaining pin.
26. Tag and disconnect the hydraulic lines running to the
telescope cylinder. Cap or plug all openings.