1991/06/03 Caterpillar

New Deutsch HD-10® Electrical Connectors Used{1400,1408}

Usage:

This article is intended to provide parts and service information about a new family of electrical connectors that is being phased into production. This is the Deutsch HD-10 family of hard plastic-shell electrical connectors. These connectors can accommodate from three to nine wires. The connector bodies are round, and made of light gray plastic. The bodies have a bayonet locking ring. The chart and illustrations identify the new connectors and components.

(1) 3E5394 Receptacle. (2) 8T8734 Receptacle.

(3) 9W1951 Receptacle. (4) 8T8736 Receptacle. (5) 7X6195 Receptacle. (6) 7X6217 Receptacle.

(7) 8T8735 Plug. (8) 9W0847 Plug.

The Deutsch pins and sockets require the 1U5804 Hand Crimp Tool. They cannot be crimped with a standard "pliers-type" crimp tool. Deutsch pins and sockets are plated and cannot be soldered.

The 4C3406 Connector Kit is available to service the Deutsch connectors. The kit includes:

One 1U5804 Hand Crimp Tool.

Five 1U5805 Electrical Connector removal tools (green in color, for 14 ga.).

Ten 8T5318 Electrical Connector removal tools (blue in color, for 16/18 ga.).

Assorted plugs, receptacles, pin, sockets, etc.

Caterpillar Information System:

1991/05/27 New Fuel Manifolds And Clamps Reduce Vibration Of Fuel Lines{1252,1702}

1991/05/27 Smaller Connecting Rod Bolt Used In 4W6425 Air Compressor; Use Correct Torque{1803}

1991/05/27 Technical Marketing Information (TMI) System for Commercial Engine Products{0337,0334,0336}

1991/05/27 Expected Future Air Conditioning Service Requirements{7320,1802}

1991/05/20 Correct Testing of Sensing Switches{7400,7402,7422}

1991/05/20 New Speed Setting Clutch Group For 3161 Woodward Governors{1265}

1991/05/20 Two Scavenge Screens Now Used In Scavenge Oil Pumps{1312}

1991/05/20 Replace Camshaft And Install New Lifters If Pitting, Spalling, Or Wear Occurs On Lobes Of 4N0599 And 4N0602 Camshafts In Fuel Injection Pump Groups{1251,1253}

1991/05/20 Procedure To Retain Oil Pump When Pump Mounting Pad On Cylinder Block Is Broken{1201,1304}

1991/05/20 Cylinder Kits Not Recommended For Use In 3400 Family of Marine Engines And D8N Tractors{1214}

1991/05/20 Do Not Weld Repair Worn Wheel Spindles For Off-Highway Trucks Or Wheel Tractor-Scrapers{4002,4205,4234}

1991/05/13 Unwanted Engine Shutdown Caused By "01" And/Or "04" Diagnostic; New "09" Diagnostic Available With 8T9881-8 Electronic Control Module (ECM){4490}

1991/06/03 Reference Emissions Graph Helps Determine Oxides Of Nitrogen{1050}

1991/06/03 New Oil Drain Assembly Used; Be Sure To Correctly Tighten Drain Plugs, Port Plugs, And Pipe Plugs In Oil Pans{1302}

1991/06/10 New Timing Specifications For 3500 Spark-Ignited Engines{1552}

1991/06/10 1,1,1-Trichloroethane May Damage Deutsch C-E Electrical Connectors{1400,0645,0785,1450,1550,1900,3168,3225,3418,4294,4323,4450,5485,5700,7400,7450}

1991/06/17 New Three-Ring Pistons And New Rings Used In New Piston And Rod Groups To Provide Improved Oil Control{1214,1215}

1991/06/17 New Seal And Improved Plate Eliminate Leaks In BrakeSaver Water Lines Group{1380,1155}

1991/06/17 Personality Modules For 1991{1902}

1991/06/17 New Gasket Used In Flywheel Housing Cover Group{1157}

1991/06/17 New Top Piston Ring Improves Wear Resistance{1215}

1991/06/24 Air Starter Relay Valve Improved{1462}

1991/06/24 New Flame Arrestor Assembly Used In Flame Arrestor Group{1050}

1991/06/24 New Aftercooler Core Assembly With Increased Corrosion Resistance Available As An Attachment For Landfill Applications{1064}