New Fuel Injector Group Used On Heavy Fuel Engines {1290}
Usage:
3606 ( 8RB ),
3608 ( 6MC ),
3612 ( 9RC ),
3616 ( 1PD ) Engines
Description of Change: A new 21.0 mm (.83") fuel injector is available for the engines listed above that use heavy fuel. The new injector has a center passage drilled through the tappet assembly. This passage allows cooling oil to pass through the tappet and flush any deposits, caused by heavy fuel, from the end of the tappet. The new injector will help prevent cold sticking in low hour heavy fuel applications.
Adaptable To: The new 9Y8835 Fuel Injector Group is a direct replacement for the former 7C7445 Fuel Injector Group, which has been canceled.
9Y8835 Fuel Injector Group.
Caterpillar Information System:
1990/05/07 Fuel Return Line Added To Fuel System In Power Modules {1274}
1990/05/07 Customer Interface Control Module Available {4490,7400}
1990/04/30 Reconditioning Of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary{1121}
1990/04/30 Data Link Adapter For 3176 And 3406B PEEC (Programmable Electronic Engine Controls) Used In Navistar Trucks{1900}
1990/04/23 Oil Level Gauge (Dipstick) Marks For 3116 Marine Engines{1326}
1990/04/23 New Crankcase Side Cover Use With Centrifugal Oil Filter Group{1328}
1990/04/23 New Rocker Arm Assemblies Have New Inserts And Buttons{1123}
1990/04/23 Part Numbers For Polyvee Belts From Original Equipment Manufacturers (OEM's){1357}
1990/04/09 What's Your Answer?{0315,0114,0785,1400}
1990/04/09 Improvements, Maintenance and Troubleshooting Information For Electric Starting Motors{1453,7521,7524,7526}
1990/04/09 New Turbocharger Group For 3512 (24Z) High Speed Generator Set Engines{1052}
1990/04/02 What's Your Answer?{0315,1000,1250,3000}
1990/05/14 1U9800 Ultrasonic Wear Indicator Group For Measuring Undercarriage Wear On Track-Type Machines And Thickness Of Other Components{0787,4150}
1990/05/14 Parts Service Information For Pistons{1214,1225,1331}
1990/05/21 Check New 1W7578 And Remanufactured OR2530 Crankshafts For Burr On Thrust Face {1202,1203}
1990/05/21 Some 4C4462 Sleeve Removal And Installation Groups For Unit Injectors May Contain 4C5562 Reamer Assemblies That Are Dimensionally Incorrect {0782,1290}
1990/05/21 New Valve Shield Used To Control Oil Slobber {1105}
1990/05/21 Governor Springs For Sleeve Metering Fuel Systems {1264}
1990/05/21 New Valve Assembly And Spacer Used In Fuel Transfer Pump Group {1256}
1990/05/21 Some Fuel Injectors May Be Used In Mixed Sets {1290}
1990/05/28 Testing The Starter On The Engine {1453,1450,1401}
1990/05/28 New Fuel System Components For 3176 Truck Engines {1251,1290}
1990/05/28 New Operation And Maintenance Manual For 3306B Truck Engines {0374,0375,1000}
1990/05/28 Improved Manufacturing Process Extends Service Life Of New Exhaust Valves {1105}