1994/01/17 Caterpillar

Brake System Servicing {4005}

Usage:

RT50 SA, RT50, RTC60, RT60 (8DJ, 5PF, 4XG, 5DG) Telescopic Material Handlers

Reference: Operation & Maintenance Manual, Form SEBU6387, Page 27.

The following changes have been made to the above listed models. This information is not included in the Operation & Maintenance Manual (Form SEBU6390) at the present time. The changes will be shown in the next revision.

Later RT50 SA, RT50, RTC60 and RT60 machines have a master cylinder reservoir which is located under the dashpanel at the right side. The reservoir should be checked weekly and the level maintained at 25.4 mm (1 in) below the rim. SAE 10W/30W mineral oil must be used.

RT60 machines (5DG357-Up) and some RTC60 machines with field installations have treadle type power brakes (Service Brake) as shown on page 27 of the reference. These machines require no routine service.

Caterpillar Information System:

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}

1993/12/27 New Temperature Switch Assembly And Tube Assemblies Used To Improve Torque Converter Temperature Sensing {7413}

1993/12/27 Air Filter Indicator Failure Due To Excessive Vibration {7452}

1993/12/27 Improved Front Idler Bearings Are Now Available {4159}

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

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

1994/01/17 9X6779 Radio Has No Memory {7338}

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}