Kohler COMMAND CH18-745 - Manual (Page 189)

11.4
Section 11
Reassembly
Figure 11-10. Connecting Rod Bolts.
Figure 11-12. Apply Camshaft Lubricant to Cam
Lobes.
2. Position the timing mark of the crankshaft gear at
the 12 o’clock position.
3. Turn the governor cross shaft clockwise until the
lower end of the shaft contacts the cylinder. Make
sure the cross shaft remains in this position while
installing the camshaft. See Figure 11-13.
4. Slide the camshaft into the bearing surface of the
crankcase, positioning the timing mark of the
camshaft gear at the 6 o’clock position. Make
sure that the camshaft gear and crankshaft gear
mesh, with both timing marks aligned. See Figure
11-13.
Figure 11-11. Torquing Connecting Rod End Cap.
6. Repeat the above procedure for the other
connecting rod and piston assembly.
Install Camshaft
1. Liberally apply camshaft lubricant (Kohler Part No.
25 357 14-S) to each of the cam lobes. Lubricate
the camshaft bearing surfaces of the crankcase
and the camshaft with engine oil. See Figure
11-12.
Figure 11-13. Aligning Crankshaft and Camshaft
Timing Marks.
Determining Camshaft End Play
1. Install the shim removed during disassembly onto
the camshaft.
2. Position the camshaft end play checking tool on
the camshaft. See Figure 11-14.
Torque these to 22.7 N·m (200 in. lb.)
8 mm Straight Shank
Torque these to 14.7 N·m (130 in. lb.)
8 mm Step-Down
Torque these to 11.3 N·m (100 in. lb.)
6 mm Straight Shank