JLG 660SJ Service And Maintenance Manual page 188

SECTION 4 - BOOM & PLATFORM
4. Pull moving end over track so new connection is posi-
tioned in curve of powertrack. Round half-shears will
rotate into cut-outs.
5. Parts shown below connect new link to powertrack.
4-38
6. Push pin through center hole. Slide washer on pin.
7. Install snap ring in groove on pin. Repeat pin installation
steps for all center holes with rivets removed.
– JLG Lift – 3121298