1994/01/17 Caterpillar

9X6779 Radio Has No Memory {7338}

Usage:

Any 24 Volt machine fitted with this radio.

Reference: List of Entertainment Radios For Earthmoving and Agriculture Equipment, This issue.

The 9X6779 Radio has no memory. This means that clock settings and/or programmed stations may be lost when the key start switch is turned to OFF.

This radio is cancelled and replaced with 9X6810 which has a 24 Volt memory on connector contact #5. Memory may still be lost if the disconnect switch is turned off.

Caterpillar Information System:

1994/01/17 List Of Entertainment Radios For Earth Moving And Agriculture Equipment {7300}

1994/01/17 Improved 24-12 Volt Converters Available {1400,1421}

1994/01/17 Brake System Servicing {4005}

1994/01/17 Knocking Noise In Front Suspension Frame Group Can Be Eliminated With Shims {7200,7050}

1994/01/17 Cold Weather Instructions For Nitrogen Charged Tension Cylinders And Low Nitrogen Pressure Alarm System {4197}

1994/01/10 Clarify Usage Of Parts Service Cylinder Head Gaskets{1124}

1994/01/10 New Idler Pulley Assembly Used In Refrigerant Compressor Group{1802}

1994/01/10 Correct Position Of Clamp Assembly Is Required To Prevent Tie Rod Damage{4318,4329}

1994/01/10 New Rear Wheel Bearing Adjustment Procedures{4208}

1993/12/27 New Flexible Hose Assembly Used in the Exhaust Bypass Group {1057}

1993/12/27 Cleaning SR4 Generators {1404,4450}

1993/12/27 New Lamps For Tachometer And Speedometer {7450}

1994/01/17 New Tube Assembly With Bellows At Each End Used In Engine Air Lines Groups {1058}

1994/01/17 New Flywheel Assembly With Oil Dam Helps Prevent Premature Wear On Internal Splines {1156}

1994/01/17 New Control Assemblies Used In Fuel Injection Control Groups {1298}

1994/01/17 New Valve Cover Gasket Used {1107}

1994/01/17 Low Coolant Level Plate In Radiator May Cause False Coolant Level Readings {1353}

1994/01/24 New Flow Control Knobs Available To Improve Disassembly {5137}

1994/01/24 Heavy Duty Direction Signal Flasher Is Now Used {1430}

1994/01/24 Adjusting Front Wheel Bearings If The Spindles Are Too Long {4205,4201}

1994/01/24 O-Ring Seal Added To Heater Lines Group {1380}

1994/01/24 Removing And Installing Front Suspension Cylinders {7201,7200}

1994/01/24 Higher Output Alternator Used {1405,1406,1400}

1994/01/24 Longer Adapter Used To Prevent Hose Chafing In The Steering Lines Group {4304,4300}