Fuel Tank - TM-5-4320-258-340016

TM 5-4320-258-34

Figure 3-1. Operation of engine speed regulating system.

d. The engine is protected from overspeeds

governor must be 'pressed to reset the switch if the unit

it tripped by an overspeed condition.

by the overspeed governor (fig. 3-6). The overspeed

3-2.

Fuel Tank

governor is mounted on an adapter on the top center of

a. Removal and Disassembly.

the cylinder head. It is driven by a shaft which engages

the top of the oil pump drive shaft which is, in turn,

(1) Disconnect the fuel lines and fittings

driven by a geared portion of the camshaft. The

from the fuel tank (TM 5-4320-258-12)

overspeed governor is adjusted to stop the engine if

(2) Remove the battery box from the skid

crankshaft speed exceeds 2700 rpm. The stopping is

base.

accomplished by grounding the magneto primary

(3) Remove the drain plug (1, fig. 3-2)

through a switch which closes in the governor

from the bottom of the fuel tank and catch the fuel in a

mechanism. A reset button at the top of the overspeed

suitable container.

KEY to fig. 3-2:

1. Drain plug

2. Cap screw

3. Lock washer

4. Fuel tank cap

5. Chain

6. Screen

7. Nut

8. Lock washer

9. Fill plate

10. Gasket

11. Suction pipe

12. Pipe plug

13. Nut 1

14. Autofill float valve

15. Fuel level gage

16. Fuel tank

3-2