Service Manual

ProCore SR SeriesPage 6 -- 6Coring Head (SR75)
Special Tools
Order special tools from your Toro Distributor.
Crankshaft Nut Wrench
This three (3) foot long wrench can be used to loosen
and remove the fasteners that secure coring head
crankshaft crank arms and connecting rods.
Toro Part Number: SG885300
Figure 2
2” hex
3” hex
Bullet Tools
Use to protect threads of crankshaft components during
assembly of crankshaft, connecting rods and linkage
arms. The bullet tool should be installed onto the
threads of the crankpin or linkage arm fastener to pre-
vent thread damage when component is installed.
NOTE: On ProCore SR75 aerators, bullet tool
SG255001 is used for the wrist pins that secure the link-
age arms.
Figure 3
13/8”--16
SG255000
(1.745” OD)
11/4”--12
SG255001
(1.560” OD)
3/4” -- 16
SG255002
(0.980” OD)
Torque Multiplier
Use in conjunction with an appropriate torque wrench to
install and properly torque the fasteners that secure cor-
ing head crankshaft crank arms and connecting rods.
Obtain this tool locally.
Figure 4