Kohler LH630-775 Service Manual page 153

Figure 11-32. Assembling Valves with a Valve
Spring Compressor.
Install Cylinder Heads
1. Check to make sure there are no nicks or burrs on
the sealing surfaces of the cylinder head or
crankcase.
2. Rotate the crankshaft to position the piston in
cylinder #1 to top dead center (TDC) on the
compression stroke.
3. Install a new cylinder head gasket. See Figure
11-33.
NOTE: Match numbers embossed on cylinder
heads and crankcase.
Figure 11-33. Installing Head Gasket.
4. Install the #1 cylinder head onto the #1 side
mounting studs. See Figure 11-34.
Figure 11-34. Installing Cylinder Head.
5. Install a plain washer onto each stud and
secure with a hex flange nut.
6. Torque the four hex flange nuts in two steps,
first to 16.9 N·m (150 in. lb.) and then to
33.9 N·m (300 in. lb.), using the torque
sequence shown in Figure 11-36.
Figure 11-35. Torquing Cylinder Head Nuts.
Section 11
Reassembly
11
11.11