1997/07/01 Caterpillar


New Fuel Injector Group Eliminates Corrosion Between Fuel Injector And Cylinder Head{1290}

Usage:


3606 (8RB),
3608 (6MC, 5PG, 8LL, 7WR),
3612 (9RC),
3616 (1PD) Industrial;
3612 (9FR),
3616 (1FN) Marine Engines

Description of Change: A new fuel injector group has a smaller case diameter and an added O-ring groove in order to eliminate corrosion accumulation between the fuel injector and the cylinder head. The fuel injector group is used in the above 3600 Engines.


7C-1903 Fuel Injection Pump Group: (1) 137-4729 Fuel Injector Group. (2) 061-9455 O-Ring Seal.

Adaptable To: The new 137-4729 Fuel Injector Group and the new 061-9455 O-Ring Seal are a direct replacement for the former 6I-4401 and 7E-5645 Fuel Injector Groups within the 7C-1903 Fuel Injection Pump Group.

The new 0R-8575 Remanufactured Fuel Injector and the new 061-9455 O-Ring Seal are a direct replacement for the former 0R-3815, 0R-5510, and 0R-6130 Remanufactured Fuel Injector Groups.

The new 137-4729 Fuel Injector Group, 0R-8575 Remanufactured Fuel Injector Group, and 061-9455 O-Ring Seal are effective with 3606 (8RB669-Up), 3608 (6MC544-Up, 5PG106-Up, 8LL9-Up, 7WR16-Up), 3612 (9RC245-Up), 3616 (1PD289-Up) Industrial Engines and 3612 (9FR17-Up), 3616 (1FN150-Up) Marine Engines

Caterpillar Information System:

1997/07/01 Updated Connecting Rod Bolt Tightening Procedure{1218}
1997/07/01 Soot Filter (Silencer) Available For Silencer Groups{1051}
1997/07/01 New Coolant Level Sensor Used In Water Tank Groups{7422}
1997/07/01 Software Serviceability{1902}
1997/07/01 New Oil Sampling Valve Group Attachment Allows Simplified Scheduled Oil Sampling{1307}
1997/07/01 New Seal Used In Transformer Groups{1558}
1997/07/01 Product Support Literature Available For 3406E Marine Engine{1000}
1997/07/01 Electronic Control Module (ECM) Part Number Changes{1901}
1997/07/01 A New And A Remanufactured TU-FLO 1400L Air Compressor Group Is Available{1803}
1997/07/01 Governor Control Cover Assembly Includes New Seal And Improved Cover{1264}
1997/07/01 Manufacturing And Design Improvements Incorporated Into Fuel Injection Nozzle Assemblies{1252,1307}
1997/07/01 Improved Piston Rings Available{1215}
1997/08/01 Tube Is Available To Raise The Rain Cap In Order To Avoid Interference With The Inlet Manifold {1051}
1997/08/01 Correct Procedure For Installing Hydraulically Actuated Electronic Unit Injectors (HEUI) {1290}
1997/08/01 Pipe Plug Used On Electronic Control Group (MAPS Sensor) {1917}
1997/08/01 New Software Available For Improvements To Marine Engines {1920}
1997/08/01 Troubleshooting Data Sheet For Diesel Engines {1000}
1997/08/01 Improved Clamps For Turbocharger Exhaust Couplings Reduce Exhaust Leaks {1052}
1997/08/01 Reliability And Fatigue Strength Improved In Connecting Rod {1218,1219}
1997/08/01 New Electronic Control Group Available For Gas Engine Ignition Groups {1550,1559}
1997/08/01 Revised Systems Operation, Testing And Adjusting Manual For 3612 And 3616 Diesel Engines Is Available {1000}
1997/08/01 New Turbocharger Wash Water Lines Groups Used {1052}
1997/08/01 New Specification For Clearance Between Turbocharger Turbine Wheel Blades And Turbine Wheel Cover Ring {1052}
1997/08/01 Air Quality Requirements For Turbocharger Air Impingement System {1052}
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