Service Manual
ProCore SR SeriesPage 6 -- 10Coring Head (SR75)
Connecting Rods
1. Connecting rod
2. Dowel pin
3. Retaining ring (2 per connecting rod)
4. Bearing (4 per connecting rod)
5. Outer bushing (2 per connecting rod)
6. Linkage arm
7. Cotter pin
8. Crank nut
9. Outer bushing (2 per connecting rod)
10. Crank arm
11. Bearing (6 per connecting rod)
12. Retaining ring (2 per connecting rod)
13. Wrist pin
14. Crank arm
15. Crank pin
16. Lock nut
Figure 9
ANTISEIZE
LUBRICANT
ANTISEIZE
LUBRICANT
2
3
6
8
9
10
11
13
1
5
7
12
14
15
16
4
3
5
12
2
9
13
6
16
1200 ft--lb
(1627 N--m)
ANTISEIZE
LUBRICANT
800 ft--lb
(1085 N--m)
800 ft--lb
(1085 N--m)
FRONT
RIGHT
IMPORTANT: Before disassembling the coring
crankshaft, label location and orientation of compo-
nents that are to be removed. Correct component
location and orientation are necessary for proper
aerator operation.
Removal (Fig. 9)
1. Position aerator on a firm, level surface. If aerator is
attached to tractor, disengage PTO, apply tractor park-
ing brake, stop engine and remove key from the ignition
switch.
2. Unlatch, open and support rear hood to allow access
to coring crankshaft.