REVERSE FLUSH THE RADIATOR AS FOLLOWS

ENGINE

cooling system, open the drain cocks on the bottom of

6. Shut off air, again fill the radiator with water and

radiator and left side of cylinder block. Chemical

apply air pressure - repeat until the flushing stream runs

mixtures should not be used to attempt to stop radiator

clear.

leaks. Use only permanent-type anti-freeze in winter. If

7. Clean and inspect radiator cap.

water only is used in the system, add a good

commercial

rust

inhibitor

the

D. TO REVERSE FLUSH THE ENGINE. (Fig. 66)

recommended by the inhibitor manufacturer.

C. REVERSE FLUSH THE RADIATOR (Fig. 65) AS

FOLLOWS

Figure 66.

1. Remove the thermostat.

2. Clamp the flushing gun in the upper hose.

3. Partly close the water pump inlet to fill the

engine water jacket before applying the air.

4. Follow the same procedure outlined above for

Figure 65.

the radiator by alternately filling the water jacket with

water and blowing it out with air (80 PSI) until the

1. Disconnect the hoses at the engine.

flushing stream is clear.

2. Tighten radiator cap.

E. TESTING THERMOSTAT

3. Clamp the flushing gun in the lower hose with a

hose clamp.

4. Turn on the water and let it fill the radiator.

1. Remove thermostat housing cover

and

thermostat. Before testing, clean and examine

5. Apply air pressure gradually, to avoid radiator

damage. (Not -more than 10 PSI)

B-24