Oil Filter Assembly

(2) Remove the bolt (1) and washer (2)

4-17.

Oil Filter Assembly

securing the cover (3) to the case assembly. Discard the

cover gasket (4).

a. General. The lubricating oil filter is a cartridge

(3) Remove the spring (5) and the cartridge

type. The filter is located on the right side of the engine

(6); discard the cartridge.

near the flywheel housing (fig. 4-4). A new cartridge

(4) Disconnect the inlet and outlet lines from

with gasket must be installed after each 250 hours of

the filter case (7). Remove the screw (8), lockwasher

operation, or more often if conditions warrant.

(9), nut (10), and strap (11) securing the case.(5) Clean

any dirt or sediment that has accumulated in the filter

base.

c. Installation.

(1) Place a new gasket in the cover and

lightly coat the new gasket with clean engine oil.

(2) Install a new cartridge in the filter housing.

Note. Do not overtighten the cover bolt.

(3) Place the cover on the filter housing and

secure it with the bolt.

(4) Start the engine and check for oil leakage

between the filter housing and the cover.

Stop

the engine and check the oil level. Add oil if necessary

to bring the level up to the "FULL" mark on the dipstick.

4-18.

Manifold.

a. Removal.

(1) Remove carburetor from the manifold

(para 4-19).

(2) Remove the self-locking bolts and

washers which secure the exhaust pipe to the exhaust

manifold flange.

(3) Disconnect the fitting which secures the

1. Bolt

Case

positive crankcase ventilation valve to the bottom of the

2. Washer

Screw

manifold.

3 Cover

Lockwasher

(4) Remove the self-locking nuts and washers

4. Gasket

Nut

which connect the manifold to the cylinder head and lift

5. Spring

Strap

the manifold off the studs (fig. 4-6).

6 Cartridge

(5) Remove the gaskets from manifold ports.

Figure 4-4. Oil filter.

b. Removal. (Refer to fig. 4-4.)

(1) Thoroughly clean

the

filter

and

the

surrounding area.

4-12