Kohler SV810-840 Service Manual page 116

Section 9
Inspection and Reconditioning
Piston Ring
End Gap
Mark
Oil Control Ring
(Three-piece)
Figure 9-10. Piston Ring Installation.
expander and then the rails. Make sure the ends
of the expander are not overlapped.
2. Middle Compression Ring (Center Groove):
Install the center ring using a piston ring
is up or the dykem stripe (if contained) is to the
3. Top Compression Ring (Top Groove): Install the
top ring using a piston ring expander tool. Make
Connecting Rods
these engines.
Inspection and Service
Check the bearing area (big end) for excessive wear,
score marks, running and side clearances (see Section
cap if scored or excessively worn.
9.10
Dykem
Stripe
Piston
Top
Compression
Ring
Center
Compression
Ring
Rails
Expander
Service replacement connecting rods are available in
STD size and 0.25 mm (0.010 in.) undersize. The
0.25 mm (0.010 in.) undersized rods have an
rod shank. Always refer to the appropriate parts
information to ensure that correct replacements are
used.
Valve Tappets
Inspection
Check the base surface of the valve tappet(s) for
wear or damage. Replace tappet(s) if condition is
lobe(s) should also be checked for wear or damage.
Whenever tappets are replaced, apply a liberal coating
of Kohler lubricant 25 357 14-S to the base of each new
tappet before it is installed.
Figure 9-11. Valve Tappet.
Oil Pan Assembly
Inspection
Inspect the oil seal in the oil pan and remove it if it is
the oil pan is assembled to the crankcase. See Section
10, Reassembly, Oil Seal in Oil Pan.
Inspect the main bearing surface for wear or damage
Replace the oil pan assembly if required.