Toro ProCore SR Series Service Manual page 48

Connecting Rods
FRONT
RIGHT
14
950 ft- -lb
(1288 N- -m)
1. Crank pin
2. Cap screw
3. Outer bushing
4. Retaining ring
5. Ball bearing
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.
NOTE: The connecting rod assemblies for ProCore
SR54 and SR70 aerators are very similar. The ProCore
SR54 is shown in Figure 8.
Removal (Fig. 8)
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.
Coring Head (SR54 & SR70)
2
13
12
11
265 ft- -lb
(359 N- -m)
Figure 8
6. Outer bushing
7. Ball bearing
8. Retaining ring
9. Connecting rod
10. Bearing spacer
Page 4 - - 10
PROCORE SR54 SHOWN
1
ANTISEIZE
LUBRICANT
5
4
3
8
7
6
11. Linkage arm
12. Lock nut
13. Clipped washer
14. Hex nut
2. Unlatch, open and support rear hood to allow access
to coring crankshaft.
3. Rotate coring crankshaft to allow access to crank pin
(item 1) and hex nut (item 14) for connecting rod to be
removed.
4. Insert block of wood between aerator frame and con-
necting rod to prevent the crankshaft from turning. Using
crankshaft nut wrench (see Special Tools), loosen, but
do not remove, hex nut (item 14).
5. Support connecting rod that is to be removed to pre-
vent it from falling.
3
4
5
6
7
8
9
10
ProCore SR Series