CRANKSHAFT, PISTON AND CONNECTING ROD
67
The exact procedure a technician uses to disas-
semble an engine depends on the type of repairs
needed. This chapter is written as a set of procedures
that should provide the user with sufficient information
to complete any feasible repair to the engine short
block assembly
.
The instructions are written with the assumption
that the engine has been removed from the equipment.
These are bench work instructions.
.
1. Drain and save the oil from the engine by follow-
ing the steps described in Chapter 1: Introduc-
tion.
2. Remove the fuel tank by following the steps
described in Chapter 4: Fuel system and Gover
-
nor.
3. Remove the air intake and carburetor by follow-
ing the steps described in Chapter 3: Air Intake
Systems.
4. Remove the starter by following the steps
described in Chapter 6: Starter and Charging
Systems.
5. Remove the flywheel and ignition module by fol-
lowing the steps described in Chapter 7: Ignition
system.
6. Remove the muffler by following the steps
described in Chapter 8: Exhaust.
7. Remove the cylinder head by following the steps
described in Chapter 9: Cylinder Head.
8. Remove the dipstick tube.
9. Remove the crank case cover bolts using a
12mm wrench.
10. Carefully slide the crank case cover off of the
crank shaft.
11. Align the timing marks to allow easier removal of
the cam shaft and to help protect the compres
-
sion relief from damage. See Figure 10.1.
12. Remove the camshaft.
13. Remove the balance shaft. See Figure 10.2.
Figure 10.1
Timing marks
Cam shaft
Compression
relief
Figure 10.2
Remove the
balance shaft
CHAPTER 10: CRANKSHAFT, PISTON AND CONNECTING ROD
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