Chapter 3. ENGINE REPAIR INSTRUCTIONS

TM 10-3930-621-34

CHAPTER 3

ENGINE REPAIR INSTRUCTIONS

Section I. ENGINE

data and to the following figure 3-1 for the location of

3-1. Description

major components.

a. The FCB4-G5943 engine is a four-stroke cycle

b. Parts identification and location on the engine are

engine of 133 cubic inch range. The cylinders are cast

determined by standing at the flywheel end facing the

integrally into the cylinder block and crankcase, which

engine. The flywheel end is the rear of the engine and

comprise the main body of the engine. Refer to

the fan end is the front.

paragraph 1-4 for specific engine

KEY to fig. 3-1:

1. Engine block

12.

Fan drive pulley

2. Manifold

13.

Starting crank jaw

3. Cylinder head

14.

Timing gear cover

4. Valve tappet cover

15.

Camshaft

5. Piston rings

16.

Crankshaft

6. Piston

17.

Connecting rod bearing

7. Connecting rod

18.

Main bearing

8. Intake valve

19.

Oil pump

9. Exhaust valve

20.

Oil pan

10. Valve tappet

21.

Flywheel

11. Fan hub

22.

Flywheel housing

3-1