1990/10/15 Caterpillar

New Temperature Regulators; Regulator Service Hours Changed{1330,0770,1355,7527,7543}

Usage:

All Engines

SUPPLEMENT: 12/10/90

Service Magazine; October 15, 1990; Page 7; "New Temperature Regulators; Regulator Service Hours Changed." This article applies ONLY to 3500 and 3600 Families of Engines. All other engine families should remain at their current respective service intervals as specified in the Operation and Maintenance Manual.

--------------- END SUPPLEMENT ---------------

The recommended service hours of temperature regulators have changed to every 6000 service meter hours or annually, which ever occurs first. Also, new oil temperature regulators are available.

NOTE: The 3600 Family of engines has three sets of temperature regulators. The regulators control water outlet temperature, water inlet temperature and oil temperature.

Charts A and B identify all of the temperature regulators available.

Caterpillar Information System:

1990/10/15 Additional Clip And Hardware Prevent Damage To Fuel Line Of 4W6887 Instrument Panel{1261}

1990/10/15 Be Sure To Use Only 5P3975 Rubber Lubricant On The Core Assembly End Seals In Folded Core Or Multiple Row Module Radiators{1353,1351}

1990/10/08 New Pump Group With Bolt Dampers Used In Oil Pump Group{1304}

1990/10/08 Price Adjustments On Service Program Modules{1902,0782}

1990/10/08 New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads{1105,1101}

1990/10/08 Improved 4J3815 Gasket Helps Prevent Oil And Air Leaks In Hydraulic Tank Mounting And Filler Groups{5065}

1990/10/08 Serviced Parts Available For 8C4773 Electric Starting Motor Group{1453}

1990/10/01 Answers To Quiz In This Issue {0114,1400}

1990/10/01 Incorrect Installation Of Slow-Moving Vehicle Sign (Triangle) May Affect Cooling Performance {7405,1353,7557}

1990/10/01 New 4C6090 Multichannel Temperature Selector Available To Aid In Diagnosing Low Power Complaints {0781}

1990/10/01 Correct Light Bulb Replacement For The 8T9290 Borescope; New Light Bulb Used {0777}

1990/10/01 What's Your Answer? {0114,1400}

1990/10/22 Improved 3T2357 Horn Switch, 3T3453 Starting Aid Switch, 3T3947 Start Switch, 3T8514 Test Switch Assemblies {1416,1456}

1990/10/22 4C6600 Battery Voltmeter For Determining Battery Percent Of Charge {7468,0785,1401}

1990/10/22 New 4C5084 Oil Filter Cutter Replaces Former 6V7905 Filter Cutter {1318,1261,5068}

1990/10/22 Engine Service Training Literature Uses New Form Number {0370,0374}

1990/10/22 Correct Procedure To Check For Grounds On Woodward 9905 Series, 2301A Control; Correction For Service Manual Module; 2301A Electric Governors (Load Sharing) For Generator Set And Industrial Engines; Form SENR3585-01 {1289}

1990/10/22 Setscrew And Nut Available For Fuel Setting And Injector Synchronization {1257}

1990/10/22 Improved 7C1757 Exhaust Manifold Group {1059}

1990/10/22 Front Trunnion Bolts May Come Loose {1153,1154}

1990/10/22 Increased Capacity Oil Sumps Require Additional Oil And Different Maintenance Interval {1302,1318,7524,7525}

1990/10/22 New "On Engine" Adjustment Procedure For 3161 Woodward Governor {1264,0782}

1990/10/29 New CE (Caterpillar Environmental) Family Of Metal-Shell Connectors Used{7553}

1990/10/29 New Temperature Regulators Prevent Engine Overheating{1355}