1997/02/24 Caterpillar

New Hydraulic Oil Temperature Sender And Hydraulic Oil Temperature Gauge More Responsive {7450,7488}

Usage:

143H (1AL),
163H (5AK) Motor Graders

Description of Change: A new hydraulic temperature sender and a new temperature gauge are more responsive than the former sender and gauge. The new gauge permits movement of the indicating needle at a lower oil temperature. Also, the needle of the new gauge will move slightly when the key is placed in the ON position. This indicates that the gauge is working.

Adaptable To: The new 134-2844 Gauge is a direct replacement for the former 124-0389 Gauge. The new 134-2845 Sender is a direct replacement for the former 4W-9972 Sender. The new sender is part of the 8W-6342 Wiring Group. The new gauge is part of the 8X-4652 Instrument Panel Group. The new gauge and sender are effective with 143H (1AL251), and 163H (5AK104) Motor Graders. The gauge and sender are adaptable to earlier machines.

(A) 8W-6342 Wiring Group. (B) 134-9972 Sender.

(C) 8X-4652 Instrument Panel Group. (D) 134-2844 Gauge.

Caterpillar Information System:

1997/02/24 New Water Temperature Regulator Improves Cab Heating In Cold Weather Conditions {1350,1355}

1997/02/24 Some Service Parts Available For Engine Fuel Injection Pump {1251}

1997/02/24 New Tooling Simplifies Steering Pump Neutral Adjustment {5070,0738}

1997/02/24 New Tube Assembly And Associated Hardware In The Engine Turbocharger Oil Lines Group {1307}

1997/02/17 VIMS-PC Version 2.1 Now Available {7601}

1997/02/17 Improved Speed Sensor Group Used {1907}

1997/02/17 New Flow Control Valve For Water Spray System Available {5614,5137}

1997/02/17 Wiring Harness Modification Improves Service Life Of The Cab Wiring Group {1435,1400,1408}

1997/02/17 Fuel Gauges Now Available {7450,7481,7483,1273}

1997/02/17 Rings Can Be Installed In The Rear Suspension Group To Improve Bushing Service Life {7217}

1997/02/17 Guards Fitted To The Drive Axle Groups To Protect The Hydraulic Brake Fittings From Rock Damage {4257,3278}

1997/02/17 Service Parts Available For Tube Kit For Hydraulic Pump Group {5070}

1997/02/24 Special Instructions Now Available For 793C Off-Highway Truck Assembly Procedure {0374}

1997/02/24 New ECM Controlled Variable Speed Fan Clutch Group Available {1356}

1997/02/24 Thicker Washer Used To Allow Proper Fastening Of Elbow In Transmission Oil Lines Group {3154,3030}

1997/02/24 New Sight Gauge On Rear Axle Housing Improves Serviceability {3260}

1997/02/24 Service Parts Are Available For 9T-4785 Accumulator Group {4331,5077}

1997/02/24 New Longer Thrust Pin And Bolts Now Used In Rear Suspension Cylinders To Increase Service Life Of Joint {7213,7201,7200}

1997/02/24 Correction To Lift Arm Position Sensor Adjustment {0685}

1997/02/24 New Radiator Group Includes Improved Radiator Core Assembly {1353}

1997/02/24 New Electronic Transmission Control Group Used {3032,3100}

1997/02/24 Service Manual, Secondary Steering System, Supplemental Information Available {4300,4306,4307,4324,4339,7568}

1997/02/24 Wiper Arm Retaining Nut Requires Tightening After Initial Operation {7305}

1997/02/24 New Bevel Gear Set For Telehandler Front And Rear Differential Groups Improves Service Life {3256}