1977/05/13 Caterpillar


New Information On Caterpillar Cooling System Inhibitor

Usage:


All Engines

Caterpillar now makes the recommendation that Caterpillar Cooling System Inhibitor be used either with or without an ethylene glycol based antifreeze in the coolant. It is important that this inhibitor be used all through the year to prevent corrosion, cavitation and erosion in the cooling system. Since this is a change from former recommendations, the instructions on the inhibitor container are wrong. Corrections are being made to the container instructions, but the new containers will not be available for some time. The new container will have the information that follows:

Caterpillar Cooling System Inhibitor

... Prevents rust and scale deposits.
... Permits a reduction in cavitation, erosion and corrosion.
... Keeps the cooling system clean.
... Gives protection to most metals.


NOTICE

Do not use in engines with aluminum cylinder head and block.


... Does not damage gaskets or hoses.
... Can be used with glycol base antifreeze.
... Has no negative effects on oil.


NOTICE

Do not use with Dowtherm 209.


INSTRUCTIONS FOR USE

For best protection against cavitation, erosion, and corrosion, use inhibitor as shown in the chart.

NOTE: Before first addition of inhibitor to the coolant, the cooling system must be flushed and cleaned with chemicals if necessary.

------ WARNING! ------

Contains alkali. Avoid contact with eyes. Avoid prolonged or repeated contact with skin. Do not take internally. In case of contact, immediately wash skin with soap and water. For eyes, flush with large amounts of water for at least 15 minutes. Call physician. Keep out of reach of children.

-------WARNING!-------

Make sure your customers know about this change in the recommendations for use of Caterpillar Cooling System Inhibitor.

Caterpillar Information System:

1977/05/13 New 5P4185 Fuel Pump Timing Pin To Be Used Only On 3408 And 3412 Engines
1977/05/03 New Socket Assembly To Tighten The Bolts That Fasten The Sleeve Levers To The Sleeve Shaft
1977/05/03 Improved Cylinder Block With Spacer Plate Used With New Cylinder Heads, Cylinder Head Gaskets, Cylinder Liners And Timing Gear Housing
1977/05/03 Special Tools For Complete Repair Of Water Pump In Direct Injection Engines
1977/04/22 List Of Service Publications
1977/04/22 Stronger Material Used In Undersize Connecting Rod Bearings
1977/04/22 New Piston Pin Bearing Used In Connecting Rod Assembly
1977/04/22 Tools To Remove Wear Sleeves From Crankshafts
1977/04/22 Improved Mounting For Expansion Tank
1977/04/22 New Oversize Connecting Rod Bearings Have Improved Design And Material
1977/04/06 List Of Service Publications
1977/04/06 New Diaphragm Used In Brakesaver Control Valve
1977/05/13 New Crankshaft Front Seal And Wear Sleeve Permit Crankshafts With Seal Wear To Be Used Again
1977/05/13 Guide Assembly For Dipstick (Oil Level Gauge) Now Has Thicker Walls
1977/05/13 Improved Air Cleaner Group
1977/05/13 Improved Keystone Piston Assembly
1977/05/13 Gasket For Water Temperature Regulator Now Has Larger Vent Passage
1977/05/13 New Fuel Nozzle Assembly Available
1977/05/25 New Rotor Assembly For Engine Oil Pump Has A Drilled Passage For Better Lubrication Of Oil Pump Bearing
1977/05/25 Shorter Bolts Now Used In Exhaust Manifold Support
1977/05/25 Flare Nut Wrenches Available
1977/05/25 Self Locking Bolts Or Hardened Washers Used In Place Of Sheet Metal Locks
1977/05/25 Orifice In Oil Supply Passages Of BrakeSaver Stator Prevent Seal Leakage
1977/05/25 Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures
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