1988/02/08 Caterpillar

New Transmission And Engine Oil Cooler Has Rubber End Sheets{1375,1378}

Usage:

936 ( 4SB, 33Z, 45Z ),
950B ( 22Z, 63R, 65R ),
966D ( 35S, 94X, 99Y, 7BB ) Loaders;
D6D ( 4X ),
637D ( 26W, 27W ) Tractors;
637E ( 1HB ) Scrapers;
528 ( 96C ) Skidders;
120G ( 87V ) Motor Graders;
D25C ( 9YC ),
D30C ( 7ZC ),
D350C ( 8XC ) Trucks;
3306 ( 66D, 70R, 64Z, 7JB ) Industrial Engines

Description of Change: A new transmission and/or engine oil cooler is used on the above machines and engines. The new oil cooler has rubber end sheets. The former oil coolers that it replaces had brazed end sheets. The rubber end sheets allow the new cooler core to better resist vibration damage.

Adaptable As: The new 4W7188 Oil Cooler with rubber end sheets is a direct replacement for the former 6N9215 and 8N4718 Oil Coolers in the above machines and engines. The new 4W7188 Oil Cooler can be used to replace the former oil coolers in all applications.

Caterpillar Information System:

1988/02/01 New Shaft Used In Auxiliary Sea Water Pumps{1371,1389,1350}

1988/02/01 Replacement Gaskets Available For "V-E" Electrical Connectors{7553}

1988/02/01 New 1U7646 Coupler Available To Connect 1 "-12 Threaded Studs{0700}

1988/01/25 New Engine Oil Coolers Have Rubber End Sheets {1378}

1988/01/25 8T5314 Socket Adapter Available To Correctly Install Alternator Pulley Nut {0601}

1988/01/25 New Bearings Available For Reverse Idler Gear {3300}

1988/01/25 New Microfiche Shows Part Numbers And Locations Of Decals And Stripes {0374,7557}

1988/01/25 New Undercarriage Reconditioning Bulletin-Sealed And Lubricated Track Servicing Procedure For Non-Restrained Track {4150,0374}

1988/01/04 Die Cast Flywheel Housing Has Less Weight{1157}

1988/01/04 New FT2253 Cable Assembly Drawing Available For Kent-Moore Fuel Injection Test Bench{0782}

1988/01/04 Part Numbers For Bulk Lengths Of Decal Stripes{7557}

1988/01/04 Be Sure To Follow Correct Procedure When Checking Transmission Primary Clutch Pressures With Transmission Installed In Machine{3150}

1988/02/15 Assembly Of Face Seals And Connectors{0738,1250,4300,5050}

1988/02/15 Hydraulic Test Bench Fittings Can Be Adapted To Quick Disconnect Fittings{0600,0784,5050}

1988/02/15 CXP Fluids Available From Caterpillar Inc.{0645,1318,1395,3000,4050}

1988/02/15 New Wear Sleeve Available For Alternator Drive Pulley{1400,1405}

1988/02/15 Servicing And Programming PEEC Truck Engines Equipped With Kysor® Shutdown System{1250}

1988/02/22 Correct Procedure To Weld Bucket Tip Adapters To Base Cutting Edge Of Bucket{6803}

1988/02/22 Analyzing Caterpillar And Competitive Antifreezes For Amount Of Silicates{1350,1395}

1988/02/22 Fluid Sampling Tools For Non-Pressurized Compartments{0786}

1988/02/22 New 1U8271 Timing Advance Holding Tool Available{0766}

1988/02/22 Product Support Literature Available For Electronic Modular Control Panels Used On SR4 Generators{0374,4450,7002}

1988/02/22 Cold Weather Starting{1213,1250,1274,1450}

1988/02/22 New Crankshaft Assembly Used{1202}