Toro ProCore SR Series, Service Manual, Page: 82 / 122

ProCore SR Series Page 5 -- 20 Coring Head (SR48 & SR72)
Coring Head Drive Sprockets
1. Idler shaft
2. Master link assembly (2 used)
3. Jam nut (grooved)
4. Jam nut
5. Idler sprocket
6. Lock nut
7. Sprocket hub (2 used)
8. Cap screw (4 used)
9. Sprocket (2 used)
10. Saddle bolt (10 used)
11. Lock washer (4 used)
12. Drive chain (2 used)
13. Lock nut (10 used)
14. Lock washer
15. Gearbox assembly
16. Bolt
17. Hex nut
18. PTO driveshaft
19. Square key
20. Driveshaft shield
21. Cap screw (4 used)
22. Lock washer (4 used)
23. Flat washer (4 used)
24. Cap screw (3 used per hub)
25. Cap screw (3 used per sprocket)
Figure 18
PROCORE SR72 SHOWN
3
6
8
9
10
11
13
1
7
12
15
16
17
18
19
20
4
6
5
5
4
1
3
7
9
21 22
23
24
25
14
14
14
14
24
19
25
17
16
2
2
12
FLAT
FRONT
RIGHT
NOTE: The drive sprocket assemblies for ProCore
SR48 and SR72 series aerators are very similar. The
ProCore SR72 is shown in Figure 18.