1981/03/04 Caterpillar


Changes Have Been Made To Caterpillar Service Literature

Usage:


You will soon be noticing several improvements to new and revised Caterpillar Operator's Guides, Lubrication and Maintenance Guides, Service Manuals and Parts Books.

On the outside a newly designed cover brightens the appearance of these publications and speeds their selection from the shelf. See Illustration 1. A more legible typestyle and layout have been used, making product model number and serial numbers stand out more clearly. Some of the Parts Books also list the serial numbers on the spine. The covers are color-coded according to product for easier identification. The covers of engine publications are printed in brown ink on gold paper. Earthmoving publications are blue on tan, and lift truck publications are burgundy on tan.


Illustration 1. The new cover design.

All covers are made of a heavier paper that has been treated for improved resistance to grease and dirt.

Three minor title changes accompany the change to new covers:

* Operator's Guides are now called Operation Guides.
* The title of the Lubrication and Maintenance Guide has been shortened to Maintenance Guide.
* Operation, Lubrication and Maintenance Guides have been retitled Operation and Maintenance Guides.

On the inside some of the Guides will also feature a change in the page format. In the future you will be reading the columns vertically instead of horizontally as you have in the past. A larger type and a new type style combine with the change in page layout to make the Guides easier to read.

Guides, Service Manuals and Parts Books will incorporate the changes gradually as they are revised.

Caterpillar Information System:

1981/03/04 High Concentration Of Aluminum In Oil Analysis Can Be The Result Of Rocker Arm Support Wear
1981/01/28 Corrected "5.4" 60°V Main Bearing Selection Guide" Is Now Available
1981/01/28 New, One-Piece Valve Lifter Used
1981/01/28 New Camshaft Has Improved Profile (Shape) Of Exhaust Cam To Extend Service Life
1981/01/28 New Aftercooler Core Has Copper-Nickel Tubes For Increased Strength
1981/01/28 New Exhaust Manifold Has Slip-Joint Connections
1981/01/28 Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly
1981/01/28 Pipe With Orifice Now Used In Regulator And Housing Groups For Cooling Systems
1981/01/28 New Chart Has "D379, D398, D399 Lubrication And Maintenance Checklist"
1981/01/28 6V3150 Engine Pressure Group And 6V3121 Multitach Group Are Available For Testing Engines
1981/01/21 Thicker Layer Of Chrome Now Used On Governor Spring Guide To Extend Its Service Life
1981/01/21 FT1576 Puller Plate Used For Removal Of Crankshaft Gear; Drawings For FT1576 Puller Plate Can Be Used For Modification Of Existing Puller Plate
1981/03/04 Two New Oil Filter Assemblies Available; Always Use Correct Oil Filter And Follow Caterpillar Change Intervals
1981/03/04 List Of Service Publications
1981/03/04 Later Pistons Have A Smaller Number Of Drain Holes In Oil Ring Groove
1981/03/04 Pipe Plug Added To Rear Of Cylinder Block Prevents Oil Leakage Into Flywheel Housing
1981/03/04 Check Oil Level Carefully To Prevent Operation With Too Much Oil In Engine Crankcase
1981/03/04 Two New Exhaust Manifolds Available For Replacement Of Single Rear Manifold To Prevent Broken Studs
1981/04/01 Special Studs And Nuts Available For Exhaust Manifolds On Engines Used In Heavy Load Conditions
1981/04/01 6V4163 Bit And 6V4164 Driver Now Available For Removal Of Bolts For Flyweight Carrier
1981/04/01 Brass Plug Now Used Instead Of Steel Plug In Sea Water Aftercooler
1981/04/01 New Inlet And Exhaust Valves And Valve Guides Have Tighter Fit To Prevent Corrosion And Guide Wear
1981/04/01 Different O-Ring Seal Now Used On The Oil Pump Suction Tube
1981/04/01 New Shield Assemblies Used In Water Shielded Manifold Group
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