1998/06/22 Caterpillar

New Guideline For Product Information, SEBF8340, " Fuel Systems Troubleshooting Guide For 3204, 3300, And 3400 Engines With New Scroll Fuel Systems (NSFS)" Available {0374,1250}

Usage:

New Guideline For Product Information, SEBF8340, " Fuel Systems Troubleshooting Guide For 3204, 3300, And 3400 Engines With New Scroll Fuel Systems (NSFS)" is available through normal literature ordering channels. This new Guideline covers misfire, low power, hard starting, and leak symptoms. Using this Guideline should help troubleshoot commonly misdiagnosed problems with fuel nozzles, pumps, and governors. The new Guideline includes a Customer Interview (that can be used as a guide to help determine customer's complaint) and Flow Charts that can be used to determine the probable cause of the complaint. This document is not intended to serve as an all-inclusive Troubleshooting Guide, but rather as a supplement to the SENR6521 and SENR6522 Engine Troubleshooting Guides or the Service Manual troubleshooting section.

Caterpillar Information System:

1998/06/22 More Frequent S·O·S Oil Analysis Improves Component Life Cycle Management {7577,7542,7576,7571,7574,7578,7575,7573}

1998/06/15 Similar Product Support Literature Available For Military Machines{7567}

1998/06/01 Manufacturing Process Improvement Increases Reliability Of Speed Sensors {1900}

1998/06/01 Proper Checking For Refrigerant Leaks Ensures Maximum Service Life Of Refrigerant Compressor {1802,1809,7320}

1998/05/25 New Valve Cover Seal Used {1107}

1998/05/18 Entertainment Radios Improved With Increased Reliability {7338}

1998/05/11 New Engine Lifter Arm Assembly With Crowned Roller Used In Lifter Groups {1209}

1998/05/04 ROPS Instruction Film Available Through Parts Service{7177,7405}

1998/05/04 Improved Alternator Groups Now Available{1405}

1998/03/30 Use 136-3642 Crimp Tool Group For 4C-9900 And 6V-4900 Presses {5057}

1998/03/30 Use 1U-6189 Lamp Tool For Removal And Installation Of Small Control Panel Bulbs {1400,0709}

1998/03/30 Use Measuring Tools For Crimp Diameter {0700}

1998/06/29 Re-Alignment Warning Tag On All 3500 Generator Sets Reminds Of Alignment Required At Installation {1021}

1998/07/13 Circuit Breakers Are Changing From Red To Blue Reset Buttons{1420}

1998/07/20 Priming The 144-0835 Unit Injector Hydraulic Pump{1714}

1998/07/20 New Seat Belts Prevent Self Tightening and Improve Operator Comfort{7327}

1998/08/03 Use 142-2285 Stress Plate for Honing Individual Engine Cylinders {1223}

1998/08/10 Heavy-Duty 151-0968 Variable Speed, Inch, Reversing Drill now available {0600}

1998/08/10 Use Hydraulic Torque Wrenches and Accessories for High Torque and/or Low Clearance Applications 132-8112 HY-1XLT 132-8119 HY-3XLT 132-8126 HY-5XLT 132-8133 HY-10XLT 1U-6221 HY-2XLCT 132-8159 HY-4XLCT 132-8183 HY-8XLCT 132-8206 HY-4ULC 132-8223 Power

1998/08/10 Use 146-1738 Borescope for Internal Inspection of Caterpillar Products {0777}

1998/08/10 Use Recommended Repair Parts for Torque-Turn Track Wrench 5000 {4172,0602}

1998/08/10 Use 147-1758 Filter Element, 134-5901 Spares Kit, 135-6547 Auxiliary Filter, and 1R-0712 Fuel Filter to Perform Maintenance for Hartridge AVM Test Bench {1250,0782}

1998/08/17 Use 125-0201 Guide Assembly For Camshaft Installation {1202}

1998/08/17 Use 150-3992 And 150-3993 Timing Pins For Fuel Injection Pumps {1251,1251,1000}