1979/05/21 Caterpillar

New Washers For Injection Valve Nozzles Must Be Added To Valve Grinding Gasket Kit When Used With Later Engines{7555,1254}

Usage:

3208 Engines (90N37285-up, 75V4113-up, 32Y1-up, 79V5380-up)

Description of Change: The 9N3979 Nozzle Assemblies (Fuel Injection) used in the above 3208 Engines have different washers than the earlier 9L6969 Nozzle Assemblies. The thickness of these washers controls the depth of the fuel injection nozzles in the cylinder head, and the relation of the nozzle tips to the combustion chambers. For this reason, it is important that the correct washers be used when nozzle assemblies are installed.

The 5P9392 Valve Grinding Gasket Kit has only the 9L9099 Washers for use with the earlier 9L6969 Nozzle Assemblies. These washers must not be used with the later 9N3979 Nozzle Assemblies. To use a 5P9392 Gasket Kit with the above 3208 Engines, use eight 9N3738 Washers in place of the 9L9099 Washers.

Adaptable To: With the addition of eight 9N3738 Washers, the 5P9392 Gasket Kit (Valve Grinding) is directly adaptable to all 3208 Engines. The chart shows the correct part numbers of washers to use with earlier and later nozzle assemblies, including washer thickness and color identification.

Caterpillar Information System:

1979/05/21 How To Prevent Cylinder Block Failure From Cracks{1201}

1979/05/21 Do Not Use Later 9N3979 Nozzle Assemblies In Plate Of Earlier Nozzle Assemblies{1254}

1979/05/21 New Flywheel Housing Corrects Clearance Problem With Cylinder Block{1157,1158,1201,1453}

1979/05/21 Shorter Mounting Bolts Used For Glow Plug Wiring{1403,1412}

1979/05/14 Two Fuel Pressure Pumps Are Available To Increase Fuel Pressure{1250,1295}

1979/05/14 New Filler Bands Give A Better Seal Between The Cylinder Liners And Cylinder Block{1201,1216}

1979/05/14 5P3519 Piston Ring Gauge Has Improved Design For Better Accuracy And Easier Use; Corrected Information For Use On Pistons That Have Two Ring Grooves{0653,1214}

1979/05/14 How To Adapt The 5P1759 Tachometer Drive Group (Dealer Tool) To D9H Tractors, 594H Pipelayers And D353 Engines Equipped With Electric Hour Meters When Engine RPM Must Be Checked{0654}

1979/05/14 New BrakeSaver Manifold Prevents Oil Leakage{1155}

1979/05/07 Serialized Attachments Added To Machine Parts Books{0375}

1979/05/07 New Oil Pump Has Improved Relief Valve For Better Pressure Control{1304}

1979/05/07 An Ammeter Calibration Group Is Now Available{0651}

1979/05/21 Rod Bearings For Parts Service Have Reliefs (Grooves) Cut On The Outside Diameter{1219}

1979/05/28 9S8100 Tool Group Changed To Use With Fuel Transfer Pump Only{0622}

1979/05/28 A New Method To Clean And Polish Engine Valve Stems{0674,1105}

1979/05/28 Seat Belt Maintenance{7327}

1979/05/28 New Type Products Available To Clean Cooling Systems{1350}

1979/05/28 Correct Locations To Connect Gauges For Checks Of Engine Oil Temperature And/Or Pressure{7455,7450,1300}

1979/06/04 New "L-Shaped" Clutch Plates Now Used{3302}

1979/06/04 New Caterpillar Yellow Paint{0670}

1979/06/04 Check Crankshaft Seals During Installation Of Engine Overhaul Gasket Kits; Add A Wear Sleeve When Needed{7555,7558,1161}

1979/06/04 New Centering Rings For Oversized Main Bearings{0665,1230}

1979/06/11 New Specification For Installation Of Camshaft Front Bearing In Cylinder Block{1211}

1979/06/11 Test Specifications Now Available For 9N3979 And 9N2366 Pencil Type Fuel Nozzle Assemblies{0652,1254}