JLG 450A_AJ Series II Service Manual - Manual (Page 240)

SECTION 4 - BOOM & PLATFORM
4-28 – JLG Lift – 3121290
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 replacing it.
NOTE: When installing snap rings make sure they are seated in
pin groove and closed properly.
4. Make sure both brackets rotate correctly.
Incorrect Correct