1990/11/12 Caterpillar


New 7X1400 Digital Diagnostic Tool (DDT) Group Available {0782,0785,1900}

Usage:


Spark-Ignited Engines with Electronic Controls

Reference: Operating Manual, SEHS9122, "Using The 7X1400 Digital Diagnostic Tool (DDT) Group. Operating Manual, SEHS8806, "Using The 8C9904 Digital Diagnostic Tool (DDT) Group With The Spark-Ignited (SI) Engine Timing Control.

The 7X1400 Digital Diagnostic Tool Group is the basic electronics for digital diagnostics which communicate over the Caterpillar Data Link. This DDT Group, used with NEXG4511 Service Program Module (SPM), provides basic diagnostic, vehicle and engine status, and calibration displays for the electronic controls on SI Engines. It also displays and allows for the modification of the Customer Specified Parameters. Ordering Form Number NEXG4511 will provide you with a SPM plus all updates during the subscription year.

The 7X1400 Digital Diagnostic Tool Group plus the NEXG4511 SPM replace the former 8C9904 Digital Diagnostic Tool which has been canceled.

The 7X6170 Adapter Cable Assembly, which is included in the group, is needed to supply power to the digital diagnostic tool and allow it to communicate to the electronic control.


7X1400 Digital Diagnostic Tool Group. (1) 7X6170 Power Cable. (2) 6V3072 Carrying Case. (3) Foam Insert. (4) SEHS9122 Operating Manual.

Caterpillar Information System:

1990/11/05 New Crankshaft Seal Groups Used{1160,1161,1202}
1990/11/05 Service Manual SENR3479-04 Available For Troubleshooting Engine Test Procedures{1901,1900}
1990/11/05 Some Components Of The 7E3580 Engine Adapter Group For Allison AT545, MT543D, And MT653DRD Transmissions Are Not Serviced By Caterpillar{3279,1013,3009}
1990/11/05 New Stronger Exhaust Valve Push Rod Used In Valve Mechanism Groups{1208}
1990/11/05 New Exhaust Manifold Gasket And Locks Used In Exhaust Manifold Groups{1059}
1990/11/05 Obsolete Capacitor In VR1 Voltage Regulators{4467}
1990/11/05 New Composite Halogen Headlights And Floodlights Available{1429,1434}
1990/10/29 Improved 7W7730 Cylinder Head Gasket Provides Better Sealing Capability{1124}
1990/10/29 New Cylinder Head Gasket And Higher Cylinder Head Bolt Torque{1124,1101}
1990/10/29 Modification Of 1U7791 Valve Seat Driver{0782,1103}
1990/10/29 New Bearing Kits Used In Turbocharger Cartridge Groups{1052,7551}
1990/10/29 Governor Control Motor Polarity May Require A Change{1265,1408,7556}
1990/11/12 Adjustable Exhaust Bypass Group Used; Provides More Precise Ability To Set Exhaust Pressure {1057}
1990/11/12 New Alternator Drive Pulley Seal Used With New Drive Pulley; Poly-Vee Belt Can Be Installed {1425,1357}
1990/11/19 Diagnostic Connector Used To Determine Starter Problems; Starter Monitor Unit Can Be Fabricated{0710,1408,1416,1426,1467,1553}
1990/11/19 New Caterpillar Battery Warranty Statement, SELF5124{1401,7780}
1990/11/19 Correct Procedures For Starting, Stopping And Transporting A Product With A Turbocharged Engine{1052}
1990/11/19 Check Engine Speed Sensor And/Or Crank Angle Sensor (Magnetic Pickups) For Fouling{1912,1900,1907,7529}
1990/11/19 Use Only Stainless Steel Cylinder Liner Shims To Salvage Damaged 4.75" Bore Cylinder Blocks{1201,1216,1217}
1990/11/19 New Roller Camshaft Used{1209,1210}
1990/11/19 New Camshaft Has Improved Wear Resistance{1210,1209}
1990/11/19 Field Replacement Of Spacer To Correct Possible Sticking In Woodward 3161 Governor Electric Shutoff Group{1264}
1990/11/19 New 4C6715 Silicone Compound Available For Components Where Centrifugal Force Is Present{4465,4466,4472,4473}
1990/11/19 Planetary Housing Requires Two Ball Plugs{3160}
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