JLG 1850SJ Service Manual - Manual (Page 166)

SECTION 4 - BOOM & PLATFORM
4-80 – JLG Lift – 3121619
5. Slide the poly roller off of the round bar.
6. Hold the round bar to remove the other screw.
7. Slide the flat bar out.
8. Remove the snap ring from one side of the bracket.
9. Remove the snap ring from the other side of the bracket.