CRANKSHAFT, PISTON AND CONNECTING ROD
67
There are a a few different paths that can be followed
when disassembling an engine. This chapter will cover
the removal of components in one order, but it is written
so that the technician can jump around, the exact
method depends on the type of repair that needs to be
made.
The first step to disassemble the engine is to remove
the engine from the equipment it powers by following
the steps described in the service manual for that par-
ticular application.
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. See Figure 10.2.
Figure 10.1
Timing marks
Cam shaft
Compression
relief
Figure 10.2
Remove the cam shaft
CHAPTER 10: CRANKSHAFT, PISTON AND CONNECTING ROD
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