Loosening Adjustment Set Screw And Nut; Removing Cylinder Head Bolts And Washer; Removing Cylinder Head And Gasket; Removing Drain Back Check Ball From Crankcase (Some Models) - Kohler Courage SV470 Service Manual

Section 8
Disassembly
3. Loosen the inner set screws (T15 TORX) and
back off the rocker arm adjusting nuts. Remove
the push rods and mark them, so they can be
reinstalled in the same location. See Figure 8-29.
Figure 8-29. Loosening Adjustment Set Screw and
Nut.
4. Remove the six hex flange screws securing the
cylinder head. Note the thick washer used on the
screw closest to the exhaust port. See Figure
8-30.
Figure 8-30. Removing Cylinder Head Bolts and
Washer.
5. Remove the cylinder head and head gasket. See
Figure 8-31.
8.8
Washer
Figure 8-31. Removing Cylinder Head and Gasket.
6. Remove the drain back check ball (some models)
from the keyhole slot in the crankcase. See Figure
8-32. Models without a check ball have an
internal drain back tube in the crankcase.
Figure 8-32. Removing Drain Back Check Ball
from Crankcase (Some Models).