Engine Air Shroud and Deflector

Key to figure 3-15:

(3) Drive out the starting hand crank pin from

13.

Oil filter

1. Manifold

the crankshaft.

14.

Cover

2. Muffler

(4) Remove nut (4) and lockwasher (5) from

15.

Idler gear

3. Cylinder head

crankshaft.

16.

Magneto

4. Cylinder block

(5) Take a firm hold on the flywheel (6) pins

1 7.

5. Governor assembly

Oil pump assembly

and pull outward, at the same time striking the end

18.

Pistons and connecting rods

6. Camshaft and gear

19.

Crankcase assembly

7. Air shroud

of the crankshaft with a wooden mallet (fig. 3-17).

20.

Main bearing plate and

8. Air cleaner

T h e flywheel will slide off the tapered end of

9. Flywheel shroud

crankshaft assembly

crankshaft. Remove and retain the woodruff key

21.

Fuel strainer

10. Flywheel

(7, fig. 3-16) or installation.

22.

Pump fuel

11. Screen

23.

CAUTION

12. Starting hand crank

Carburetor

Do not use a steel hammer as it may

3-18. Engine Air Shroud and Deflector

cause damage to the crankshaft and

a. Removal. Remove the air shroud and deflector

bearings. Remove flywheel shroud.

(TM

5-6115-440-20).

b. Inspection and Repair.

(1) Inspect the flywheel for cracks and breaks.

(1) Inspect the air shroud and deflector for

Replace a defective flywheel.

cracks and breaks.

( 2 ) Inspect the flywheel shroud for dents,

(2) Repair cracks and breaks by welding.

breaks or cracks. Repair a damaged shroud.

c . I n s t a l l a t i o n . Install the air shrouds and

c. Installation.

deflec t o r s (TM 5-6115-440-20).

(1) Install the woodruff key (7, fig. 3-16).

(2) Install flywheel shroud (10).

3-19. Flywheel and Flywheel Shroud

(3) Install flywheel (6) on crankshaft.

a. Removal.

(4) Install the washer (5) and nut (4) onto the

(1) Remove engine sheave (TM 5-6115-440-

crankshaft.

20).

(5) Install starting hand crank pin into the

(2) Remove six screw and lockwashers

crankshaft end.

securing the flywheel screen (1, fig. 3-16) to the

flywheel shroud (10).

3-21