Fuel Filter

TM 10-3930-630-12

(6) Swing clamp (10) down into position and

pump (21) inlet and outlet. Install fuel filter on fuel

secure bowl by tightening nut (11).

pump.

(7) Open fuel tank shutoff cock (46) and

(2) Use a new gasket (22) and install fuel

operate engine and check fuel filter for leaks.

pump and filter on engine. Secure fuel pump with

(8) Shut off engine and close side panel

screws (19) and lockwashers (20).

c. Removal

(3) Connect hose (17) to fuel pump. Connect

fuel hose (6) to fuel filter

(1) Refer to paragraph 4-60 and remove fuel

(4) Open fuel shutoff cock (46). Operate

filter from fuel pump.

engine and check fuel pump operation. Test outlet

(2) Remove fittings (7 and 8, fig. 4-45) from

pressure (b above) if necessary.

fuel filter (52).

d. Installation.

(5) Shut off engine and close left side panel.

(1) Install fittings (7 and 8, fig. 4-45) in fuel

4-61. Fuel Filter

filter (52).

a. General. The fuel filter is the bowl and screen

(2) Refer to paragraph 4.60 and install fuel

filter and fuel pump on engine.

type and is mounted at the fuel pump inlet. Fuel from

the fuel tank is drawn through the filter before being

4-62.

Crankcase Ventilation

pumped to the carburetor.

b. Service

a. General The positive crankcase ventilation

(1) Close fuel tank shutoff cock (46, fig. 4-45).

(2) Open left side panel.

valve is connected to an elbow in the manifold. A hose

(3) Loosen nut (11) and remove bowl (12) and

connects the valve to a pipe in the valve chamber

gasket (13) from cover (15). Remove screen (14).

cover.

b. Removal.

(4) Inspect screen and if damaged or clogged,

replace screen.

(1) Open left side panel

(5) Install screen (14) in cover (15). Use a

(2) Disconnect hose (1, fig.

449) from

new gasket (13) and install bowl (12) on cover.

chamber cover and valve (2).

Figure 4-49. Manifold, exploded view

4-58