1979/04/09 Caterpillar

Serial Numbers Used Instead Of Test Numbers On Power Shift Transmissions{3150,7557}

Usage:

All Caterpillar Machines With Power Shift Transmissions

Serial numbers are to be used on power shift transmissions in all Caterpillar products so equipped. A separate series of serial numbers will be used for each transmission arrangement. This identification by serial number is a replacement for the transmission test number, which will no longer be used. The new serial numbers will permit better control and identification of specific transmissions, and a positive reference for published information.

A new serial number plate on the transmission will show the transmission serial number and arrangement number, and the serial number of the torque converter. A new master plate on the instrument panel will show the transmission serial number and arrangement number, in addition to the machine and engine numbers. Both new plates are shown in the illustration.

The new serial numbers will be used first on D3 Tractors and 931 Loaders. They will be put in effect on wheel loaders, wheel tractors and trucks, and on other models later.

New serial number plates.

Caterpillar Information System:

1979/04/09 Conversion Group Available To Install Woodward Governor On Engines Equipped With Mechanical Governor{1264}

1979/04/09 6V112 Repair Kit Available For Parts Service Of The 8H8558 Nut Spinner{0611}

1979/04/02 Stronger Output Shaft Now Used In 2N3909 Tachometer Drive Adapter{7462}

1979/04/02 Improved Fuel Priming Pumps Give Longer Service Life{1258}

1979/04/02 New Pistons And Timing Advance Unit Give Better Emissions Control And Easier Starts{1214,1272}

1979/04/02 A 6V198 Container Kit Is Available To Repair The 5P6225 Transmission Hydraulic Test Group{0651}

1979/03/26 FT1441 Drawing Available To Fabricate A Seal Installer For The 5P7143 Duo-Cone Seal Group{0622}

1979/03/26 A Reverse Connection Of Oil Filter Hoses Can Cause Bearing Failures{1230,1307,1306}

1979/03/26 Four Crankshaft Rear Seals Are Available For Use On 3304 And 3306 Engines{1161}

1979/03/26 6V852 Dust Cap Is Available For Protection Of 5P9711 And 5P9714 Nipple Assemblies{0651}

1979/03/26 Replacement Bushing Available For Cast Iron Rocker Arms Only{1102}

1979/03/26 New Oil Jet Tube In Cylinder Block Gives More Clearance For Pistons And Connecting Rods{1201}

1979/04/09 New Exhaust Valve Has Improved Three-Piece Construction{1105}

1979/04/09 During Installation Of Crankshaft Piston Ring Seals, Put Silicone Grease In The Groove And On The Seal{1160,1161}

1979/04/16 Testing And Adjusting Procedure For 5P4210 Modular Cab Tilting Cylinder And Valve{0620}

1979/04/16 How To Extend The Service Life Of 1P5550 Fuel Cam Locking Tool Assembly{0654,1250}

1979/04/16 90° Elbows On Quick Disconnect Couplers Make Installation Easier{0690}

1979/04/23 Careful, Correct Installation And Maintenance Of Fuel Injection Lines Is Very Important To Prevent Possible Engine Damage, Fire And Other Problems{1252}

1979/04/23 New Oil Cooler Bonnets Used On 3408 And 3412 Engines{1378,1354,1380}

1979/04/23 Inspection Of Oil Pump After Long Periods Of Service Can Prevent Engine Damage{1304}

1979/04/23 Dowtherm Test Strips No Longer Available{0651,1350}

1979/04/30 New " Drive 6V94 Universal Joint Is Available{0612,1253}

1979/04/30 2P8316 Dowel Now Available For Parts Service{0652}

1979/04/30 The Service Life Of A Power Shift Transmission Is In Direct Relation To The Maintenance Of Its Lubrication System{3004,3179,3150}