Service Manual User guide

SECTION 4 - BOOM & PLATFORM
3121198 – JLG Lift – 4-9
1. Boom & Cylinders Assembly
2. Keeper Bolt
3. Retaining Pin
4. Pivot Pin
5. Boo m Rest
6. Gravity Lock Pin
7. Main Boom
8. Tower Boo m
9. Tower Boo m Link
10. Master Cylinder
11. Lift Cylinder
12. Upright
13. Timing Link
14. Powertrack
15. Slave Cylinder
Figure 4-1. Boom and Cylinders Assembly