JLG 3508PS - Manual (Page 174)

ENGINE & ATTACHING PARTS
3508PS, 3509PS, 3512PS, 3513PS, 4008PS, 4009PS, 4012PS, 4013PS, 4017PS, 40.8, 40.9 31200204 4-42
Figure 4-15 Transmission Assembly - Reverse Idler
4
3
9
5
7
6
8
2
1
PZ1120
3 & 4 SPEED