3.2 Engine fire! How to clean. |
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3.2 Engine fire! How to clean. |
Mate914@gmail.com |
Jul 15 2023, 05:13 PM
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#1
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Matt Group: Members Posts: 10 Joined: 9-July 17 From: 17758 Member No.: 21,237 Region Association: North East States |
I just had an engine fire. Car was warm pulled out and saw flames out the rear view mirror. My Element did not work. Next one did but did not stop fire. 40 year old fire extinguisher did the job!
What is the best solution for removing the extinguisher residue from the PMO carburetors and the engine? Could have been much worst! Saved the car! Matt (IMG:style_emoticons/default/flag.gif) |
bkrantz |
Jul 15 2023, 08:11 PM
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#2
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914 Guru Group: Members Posts: 7,792 Joined: 3-August 19 From: SW Colorado Member No.: 23,343 Region Association: Rocky Mountains |
From the Guardian Fire service web site:
Dry chemical fire extinguishers use firefighting agents such as monoammonium phosphate, sodium bicarbonate, and potassium bicarbonate. These leave behind a corrosive powder, so it’s important to clean up dry chemical fire extinguisher residue quickly, especially if it has come in contact with metal surfaces. Vacuum or sweep up loose debris. Spray stuck-on residue with isopropyl alcohol diluted 50 percent with warm water. Let the solution sit for several minutes, and then wipe with a damp rag. To neutralize sodium bicarbonate and potassium bicarbonate residue, apply a solution of 98 percent hot water and 2 percent vinegar. After several minutes, wipe the area with a damp rag. To neutralize monoammonium phosphate residue, apply a baking soda and hot water paste. After several minutes, wipe the area with a damp rag. Give the affected area a final wash with soap and water, and then rinse clean. Use fans to help the spot dry quickly. That matches my memory that dry chem stuff is chemically basic, and corrosive--and needs to be neutralized with a mild acid. |
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