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Control the heat.

ENGINES PRODUCE HEAT.

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HIGH SUMMER OR DESERT TEMPERATURES JUST ADD MORE HEAT.

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YOUR VEHICLE'S COOLING SYSTEM MUST GET RID OF, OR CONTROL, THAT HEAT OR ELSE ...

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OK, SO THEY WON'T REALLY MELT, BUT IF YOU WANT TO OPERATE IN HIGH TEMPERATURES, THEN LISTEN UP!

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THE COOLING SYSTEM WILL GET RID OF OR CONTROL HEAT, IF IT CAN WORK AS DESIGNED.

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HOWEVER, SMALL PROBLEMS IN THE COOLING SYSTEM ...

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... LIKE LOW COOLANT LEVEL OR CRACKED HOSES ...

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... CAN QUICKLY TURN INTO BIG PROBLEMS.

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HERE'S HOW TO FIX THOSE PROBLEMS ...

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... WHILE THEY'RE STILL SMALL!

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CHECK THE COOLANT LEVEL OFTEN. BEFORE YOu ROLL, WHEN THE ENGINE IS STILL COOL, MAKE SURE THE COOLANT IS UP TO THE MARK.

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IF IT'S LOW, ADD COOLANT TO BRING THE LEVEL UP, NEVER OVER-FILL, THOUGH, WHEN THE ENGINE HEATS UP, THE EXTRA COOLANT WILL OVERFLOW.

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Check coolant level in radiator ...

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... or surge tanK

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ADD COOLANT ONLY WHEN THE ENGINE IS COOL, ADDING COOLANT TO A HOT ENGINE CAN CRACK THE ENGINE BLOCK OR BURST A SEAM IN THE RADIATOR.

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DUDE! WAIT FOR ME TO COOL DOWN!

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A 60-40 MIX IS BEST, BUT MAINTAIN AT LEAST A 50-50 MIX OF ANTIFREEZE AND WATER TO RAISE THE BOILING. POINT OF THE COOLANT SO IT WON'T BOIL AWAY LIKE PLAIN WATER.

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CHECK THE PROTECTION LEVEL TESTER, NSN 6630-00-105-1418.

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USE DISTILLED WATER, NSN 6810-00-356-4936, IN RADIATORS IF IT'S AVAILABLE. IF NOT, USE POTABLE WATER. GROUND WATER CONTAINS CHEMICALS THAT WILL CLOG UP THE RADIATOR.

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REMEMBER! USE ONLY CLEAN WATER FROM A RELIABLE SOURCE!

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WHILE YOU'RE ADDING COOLANT, TAKE A CLOSE LOOK AT THE RADIATOR CAP, MAKE SURE IT IS IN TOP NOTCH CONDITION AND IS THE RIGHT CAP FOR YOUR ENGINE.

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MAKE SURE YOU'RE USING THE RIGHTS

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CHECK THE PRESSURE RATING ON THE CAP WITH THAT LISTED IN YOUR TM.

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CHECK FOR WETNESS AROUND THE RADIATOR OR HOSES, WETNESS MEANS A LEAK.

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FEEL THE HOSES AND REPLACE ALL THAT ARE MUSHY CRACKED OR LEAKING.

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DURING OPERATION KEEP AN EYE ON THE TEMPERATURE GAUGE, IF IT GOES ABOVE THE NORMAL OPERATING RANGE NOTED IN YOUR TM, SHUT DOWN AND FIND OUT WHY.

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REMEMBER, TOO, THAT LOW RPMS DON'T TURN FANS QUICKLY ENOUGH TO KEEP COOLANT COOL, GEAR DOWN TO CREATE MORE RPMS.

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COPYRIGHT 2005 PS Magazine
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2005, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

Article Details
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Title Annotation:Cooling Systems ...
Publication:PS, the Preventive Maintenance Monthly
Article Type:Cartoon
Date:Jun 1, 2005
Words:422
Previous Article:Providing power in the heat.
Next Article:Steady at 40 mph speed limit.


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