1990/09/24 Caterpillar


Improved Access To Hydraulic Oil Level Indicator Harness{7490}

Usage:


D25D ( 1HK ),
D30D ( 3AJ ),
D350D ( 9RF ),
D40D ( 2JJ ),
D400D ( 8TF ) Trucks

Description of Change: The front frame fabrication has been changed to give improved access to a connection in the hydraulic oil tank level indicator and lighting harness. Previously, it was necessary to remove the fuel tank to get access to this harness.

Adaptable To: Machines in service can be modified in this way any time the fuel tank is removed from the machine. Use the following procedure to rework machine.

1. With the fuel tank removed, disconnect and move the harness away from the area to be modified.

2. Clean off the paint and mark the area to be cut as shown in Illustration 1 or 2.

3. Flame cut and dress grind the marked area.

4. Repaint as required and install the harness and fuel tank.


Illustration 1. Frame modification for D25D, D30D, D350D Trucks. Top view of frame.


Illustration 2. Frame modification for D40D, D400D Trucks. Top view of frame.

Caterpillar Information System:

1990/09/24 New Fixed Length Door Stop Used{7308}
1990/09/24 Seal And Seal Holder In Transfer Gear Groups Now Serviced As One Piece{3159}
1990/09/24 New 6R2915 Seal Kit Available For 8C3866 Upper Conveyor Drive Motor{4351}
1990/09/24 Field Installation Kit Available To Install Magnetic Clutch-Type Water Spray Pump, Cutter Drum Interlock, And Kick-Back Shoe{1408,5614,6601,7493}
1990/09/24 New Components Improve Propel And Throttle Adjustments{1265,3209}
1990/09/24 New Support Plate Assembly And Spacers Used{6607}
1990/09/24 Procedure To Eliminate Implement Hydraulic Hesitation{5129}
1990/09/17 Improved Exhaust Shield Groups Provide Easier Assembly And Serviceability {1067,1073}
1990/09/17 New Bevel Gear Group In Differential And Bevel Gear Group Has Different Gear Tooth Design To Increase Service Life {3280,3254,3256}
1990/09/17 New Hoist Diverter Valve Group Eliminates Spring Breakage {5066}
1990/09/17 Rod And Piston On Rear Suspension Cylinders Are Now One Piece {7201}
1990/09/17 Special Instruction Available To Improve Stop/Tail Lamps For Off-Highway Trucks, Tractors And Wheel Tractor-Scrapers {1432}
1990/09/24 Two New Coolant Flow Switches Used On Machines Equipped With Electronic Monitoring System (EMS){1361,7422,7470}
1990/09/24 Sealing Threads On Switches And Sensors That Are Grounded Through The Case{1400,1900,3175,7422,7493}
1990/09/24 Standard Oval And High Temperature Oval Head Seals Available For Certain Hydraulic Cylinder Applications{7555,5102,5456}
1990/09/24 Add Bolt Dampers To Oil Pump Mounting Bolts to Prevent Bolt Failures{1304}
1990/10/01 New Magnetic Sensor Has Improved Shell And Potting Compound {7463,3175}
1990/10/01 New Governor Control Bracket Used To Prevent Bolt Loosening {1265}
1990/10/01 What's Your Answer? {0114,1400}
1990/10/01 Correct Light Bulb Replacement For The 8T9290 Borescope; New Light Bulb Used {0777}
1990/10/01 New 4C6090 Multichannel Temperature Selector Available To Aid In Diagnosing Low Power Complaints {0781}
1990/10/01 Incorrect Installation Of Slow-Moving Vehicle Sign (Triangle) May Affect Cooling Performance {7405,1353,7557}
1990/10/01 Answers To Quiz In This Issue {0114,1400}
1990/10/08 Gerotor Charge Pump Used On Propel Pump; Inadequate Charge Pressure May Occur{3204,4320,5070,5082,7428}
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