JLG 3508PS - Manual (Page 58)

BOOM
3508PS, 3509PS, 3512PS, 3513PS, 4008PS, 4009PS, 4012PS, 4013PS, 4017PS, 40.8, 40.9 31200204 2-12
Figure 2-3 First Boom Section Assembly
PAP3170
24
29
30
31
32
21
20
20 21
26
28
27
18
25
3
23 7
22
17
1
2
22
12M & 13M
NOTE: USE ITEM 29 ON ALL BOLT THREADS.