1998/04/01 Caterpillar

Stronger Injector Hold Down Bolt Used In Fuel Injection Pump Groups{1290}

Usage:

3176B (3NL) Industrial, 3176B (9WK) Marine, 3176C (2AW) Industrial, 3176C (6BW) Marine, 3196 (1DW) Industrial, 3196 (2XR) Marine Engines

Description of Change: A new stronger injector hold down bolt is used in the fuel injection pump groups on these engines. See Illustration 1.

Illustration 1.
Location of new 152-3001 Bolt in typical fuel injection pump group.

Adaptable To: The new 152-3001 Bolt is a direct replacement for the 5P-8347 Bolt in the fuel injection pump groups on these engines.

NOTE: The new 152-3001 Bolt can be identified by the number "11.9" embossed on the head of the bolt. The number "10.9" is embossed on the head of the 5P-8347 Bolt. See Illustration 2.

The installation torque for the new 152-3001 Bolt is the same as for the 5P-8347 Bolt, 30 N·m (22 lb ft).

Illustration 2.

Top view of the head of the 5P-8347 Bolt (A).

Top view of the head of the new 152-3001 Bolt (B).

Caterpillar Information System:

1998/04/01 Lower O-Ring Seal Removed From Mechanical Fuel Injector Group{1290}

1998/03/01 Improvement To Reduce Incidence Of 190-02 Diagnostic Code On Electronic Modular Control Panel II (EMCP II) Or Electronic Modular Control Panel II+ Equipped Generator Sets{4490}

1998/03/01 New Control Panel Films For SR4B Generators Which Are Not To Be Used In Delta Connection{4450}

1998/03/01 Stainless Steel Instrument Lines Groups Improved{7451}

1998/03/01 Metal Particle Detector{7400}

1998/03/01 Current Woodward EGB29P Actuator Assemblies Used On 3600 Diesel Engines{1716}

1998/03/01 New Exhaust Valve Used In Cylinder Head Groups{1105}

1998/03/01 A New Chrome Plated Steel Thrust Washer Is Used In The Air Lines Groups{1058,1079}

1998/03/01 Air Quality Requirements For Turbocharger Air Impingement System{1052}

1998/03/01 The Ignition Bulkhead Connector Reoriented To Help Prevent Moisture Damage{1408}

1998/03/01 Process Changes Result In Improved 3500 Engine Remanufactured Connecting Rod Assembly{1218}

1998/03/01 New Pump Group Used In Auxiliary (Fresh Water) Pump Group For Separate Circuit Aftercooler (SCAC){1371}

1998/04/01 New Coolant Hose For Exhaust Bypass Valve{1380,1057}

1998/04/01 New Improved Inlet Manifold (Flame Arrestor) Gasket{1058}

1998/04/01 New Debris Shield Is Added To Cylinder Head Gasket Kits{1124}

1998/04/01 New Components Used In Crankcase Breather Group Help Prevent Oil Leaks{1317}

1998/04/01 New Improved Thermostat Housing Seal{1355}

1998/04/01 New Improved Jacket Water Temperature Regulator For Landfill Applications{1355}

1998/04/01 New Spark Plug Recommended For G3500 Engines{1555}

1998/04/01 New Electronic Control Module (ECM){1901,1900,1920}

1998/04/01 New Improvement To The Pyrometer Switch Improves Reliability{7466}

1998/04/01 New Gaskets In Prechamber Groups Help Prevent Coolant Leaks{1106}

1998/04/01 Cylinder Sleeve (Cuff) Reusability{1216}

1998/04/01 New Air Start Lines Groups For Improved Air Flow{1450,1451}