Cub Cadet MTD 70 Series - Manual (Page 119)

Crankshaft, piston and connecting rod
113
5. Install the valve tappets.
6. Install the cam shaft by:
6a. Pre-lube the cam shaft with clean 10W-30
motor oil
6b. Rotate the crank shaft until the timing mark
points to the tappets.
6c. Insert the cam shaft while aligning the timing
marks. See Figure 10.23.
7. If removed, install the governor arm by following the
steps described in Chapter 4: Fuel systems and
Governor.
8. Place a new gasket on the crankcase cover, let the
alignment dowels hold it in place.
9. Using a seal protector, slide the crankcase cover on
to the crank shaft. See Figure 10.24.
10. Gently rock the crank case cover until it seats fully
against the cylinder block.
11. Install the crank case cover bolts. Refer to the table
at the end of this chapter for the proper bolt torque.
NOTE: Use a star torque pattern to tighten the
cover bolts.
12. Install the cylinder head by following the steps
described in Chapter 9: Cylinder head.
13. Install the muffler by following the steps described in Chapter 8: Exhaust.
14. Install the fuel tank by following the steps described in Chapter 4: Fuel systems and Governor.
15. Install the carburetor by following the steps described in Chapter 3: Air Intake and Filters.
16. Install the flywheel and module by following the steps described in Chapter 7: Ignition system.
17. Install the blower housing and starter by following the steps described in Chapter 6: Starter and Charging Sys-
tems.
18. Install the engine on the application by following the steps described in the application’s service manual.
19. Install the spark plug by following the steps described in Chapter 7: Ignition system.
20. Fill the engine with oil and fuel by following the steps described in Chapter 1: Introduction.
21. Test run the engine in a safe area and make any carburetor and governor adjustments needed.
Figure 10.23
Timing marks
Figure 10.24
Seal
protector