JLG 660AJ Service Manual - Manual (Page 179)

SECTION 4 - BOOM & PLATFORM
3121616 – JLG Lift – 4-31
2. Install center pin with snap ring in new bracket.
3. Install radius pins and snap rings in original locations.
Repeat with other moving end if replaced.
NOTE: Ensure snap rings are seated in pin groove and closed
properly.
1. Make sure both brackets rotate correctly.
Incorrect
Correct