Operation Of Differential Lock {3264}
Usage:
AP-800 And AP-1200 Asphalt Pavers
The differential lock on AP-800 And AP-1200 Asphalt Pavers should only be engaged when the machine is in the paving speed range. (The switch should be in the OFF position for "roading" operation.) DO NOT attempt to engage the differential lock during maneuvers (sharp turns) or if either drive wheel is spinning.
Make a note of this information in the Operation and Maintenance Manual.
Caterpillar Information System:
1988/12/19 Do Not Use Heli-Coils® To Repair Rocker Arm Assemblies On 5.4" Bore Engines {1123}
1988/12/19 New Piston Body Assemblies Used {1214}
1988/12/19 Check Assembled Dimension For Rack Lever Travel If Governor Housing Assembly Is Replaced {1264}
1988/12/19 New Camshafts Used; Camshaft Installation Kits Available {1209,1210}
1988/12/19 New Detent Group Available For Hoist Control Valve {5051}
1988/12/19 New Axle Differential Group Used {3258}
1988/12/19 New Latch Used For Engine Side Doors {7263}
1988/12/19 Stronger Spacers Can Be Used On Stabilizer Street Pads {6505}
1988/12/19 New Brake Disc Assemblies, Axle Lubricant Reduce Brake Chatter {3278,4255}
1988/12/19 New Circle Drive Gerotor Motor Groups Provide Higher Torque To Circle Drive {5082}
1988/12/19 Cold Weather Readiness Checks {1456,1250}
1988/12/19 New Material Used For Rotating Seal Rings In Some Power Shift Transmissions, Steering Clutches And Torque Converters {3101,3150,4100}
1988/12/19 Twelve Bolts Used In Drum Support Bearing Retainer {8227}
1988/12/26 New Muffler And Pipe Used; Low Idle Increased {1061,1062,1264}
1988/12/26 Check Load Height Before Transporting Machines {7500}
1988/12/26 Enlarge Lower Hook Openings On Three-Point Hitch Quick Coupler Group {7120}
1988/12/26 Check Bore Length Of Gear And Sleeve Before Assembling In Transmission {3061}
1988/12/26 New Gas Cylinder Used In Operator's Console {7451}
1988/12/26 Improved Boom Cylinder Lines {5057,5456}
1988/12/26 Shorter Bolts Used For Bolt-On Cutting Edges {6801}
1988/12/26 Be Sure Breathers Are Connected When Winches Are Installed {5163}
1988/12/26 New Governor Control Cable Used {1265}
1988/12/26 New Coolant Flow Switch Available {7422,7425}
1988/12/26 Cylinder Block To Aftercooler Connectors {1063,1201}