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2 clean combustion chambers

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Published on Jul 10, 2009

Ⅱ.Operational procedures for using the SM727 carbon cleaner machine
to clean combustion chambers.
[Caution] A professional automotive maintainer is necessary to operate this procedure!
Process Steps:
Step 1: Start the engine to reach operating temperature.
[Caution ] After reaching the operating temperature the efficiency of the carbon cleaner
will dissolve the carbon deposits better.

Step 2: Remove high-tension cable and spark plugs.

Step 3: Load the carbon cleaner into the SM727 machine, and close the valve. Install the
high-pressure tube, and then open the valve.
[Caution] The spray control handle must be in close position, otherwise, the bubble
will spray out!

Step 4: Adjust the pressure of high-pressure air to 2kg/cm2.
[Caution] Too high or too low pressure will cause the form of the bubble to be incomplete!

Step 5: Inject the bubble into a plastic cup to check the integrity of the bubble formation.
[Caution] The integrity of the formed bubble is when after invert in the plastic cup
the bubble will not fall out.
[Caution] The room temperature should be controlled above 20 degrees. During the cold weather, keep the SM727 machine indoor.

Step 6: Fill the bubble into each cylinder.
[Caution] The spray control handle must in full open position to avoid incomplete bubble formation!

Step 7: Wait for one minute, then repeat step 6 one more time.

Step 8: Wait for five minutes, remove the high-pressure tube to the SM949 machine connector
to suck the carbon deposits from combustion chamber.

Step 9: Suck the bubble and dissolved carbon deposits from combustion chamber.

Step 10 Connect the high-pressure air with air gun, using the high-pressure air to purge the residual bubble and carbon deposits from combustion chamber.
[Caution] Use cloth or paper to cover the spark plug cover mouth to avoid carbon
pollution spilling out onto the staff.

Step 11: Use a bendable work-lamp to inspect the combustion chamber to see is there any carbon
deposits left on the pistons. If there is carbon deposits found then repeat steps 3 to 10.

Step 12: Install the qualified spark plugs.
[Caution] If the surface of the engine has dirt from the carbon agent,
the dirt can be removed by using a wet cloth!

Step 13: To install the high-tension cable and the surrounding parts.

Step 14: Start the engine, push the throttle until the engine runs smoothly.
[Caution] Do not push the throttle too hard when starting the engine. That is because during the cleaning process the bubbles may jet into the intake manifold due to the intake valve in open condition. Therefore, when starting the engine the throttle needs to be pushed and released quickly to avoid hydraulic lock.

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