Time Delay (Relay) Switches Should Be Tested Before They Are Returned For Warranty Claims{7426}
Usage:
All Marine, Industrial and Generator Set Engines
The 4W8471 Time Delay (relay) Switches used on the above engines, are being returned for warranty claims, as being defective. After bench testing, most have been shown to be in good working condition. Time delay switches that are suspected of being defective, must be tested before being returned to Caterpillar for warranty claims. Use the procedure given in the Service Manual, 3500 Series Engines, Electric Protective System Module, Form SENR2985, Page 43, Procedure F, to perform a bench test of the time delay (relay) switches.
Caterpillar Information System:
1986/02/03 New Oil Viscosity Recommendations For All 7200 Series Marine Transmissions{3351}
1986/02/03 Extend Exciter Stator Life In Humid, Salty Environments{4453,4454,4450}
1986/02/03 5N563 Self-Excited SR4 Generators Use Different Type Regulator And A Power Autotransformer{4450}
1986/01/27 Check 5P9729 Track Repair Group For Correct Nuts{0729,0700}
1986/01/27 New Service Tools Available{0600}
1986/01/27 Uprated 3500 Series Engines Use Stronger Pistons, New Connecting Rods And New Piston Pins{1214,1218,1225}
1986/01/27 Stronger Cylinder Heads Used{1100}
1986/01/27 Uprated 3500 Series Engines Now Available{1000}
1986/01/20 Oil Total Base Number (TBN) Test Kit Available{1300}
1986/01/20 Padlock Covers Keep Out Debris{7315,7300}
1986/01/13 Checking Or Adjusting Valve Clearances{1105,1208,1123}
1986/01/13 New Hose Used In Attachment Air Cleaner Group{1051}
1986/02/03 High Silicates In Antifreeze{1350}
1986/02/03 Special Instructions Packaged With Turbocharger Cartridge Repair Kits May Be Incorrect{1053}
1986/02/03 Service Tools Now Available For Charging Fire Suppression Systems{0647,7401}
1986/02/10 New Cylinder Liner Available{1201}
1986/02/10 Blue Lens Available For Beacon Lamp{7328,7309}
1986/02/17 New Service Parts Available To Repair Scraper Components{6201,6203,6204,6207,6212}
1986/02/17 New 8T2998 Lubricant Available{0645,1210}
1986/02/17 New Fuel Injector Available To Reduce Smoke At Low RPM and Loads{1050,1254}
1986/02/17 New Clip Added To Water Lines Group{1380,1350}
1986/02/24 New Track Link Assembly And Sprocket Segments Used {4171,4155}
1986/02/24 Air-To-Air Aftercooler Test Group Available {0768,1063,0600}
1986/02/24 Longer Bolts Used In Turbocharger Air Lines Groups {1052}