New Components Used In Positioner And Kickout Group{6107,5109,5112}
Usage:
416, 426, 428, 436, 438 Backhoe Loaders
Description of Change: New components are used in the positioner and kickout group. The return-to-dig/feedback linkage has changed to prevent the linkage from binding up and to provide a consistent and reliable actuation point for the return-to-dig switch. A new rack back angle of 55 ± 2°, in relation to the ground, is required.
Adaptable To: The part number of the improved 9R0556 Positioner And Kickout Group has not changed. The improved positioner and kickout group is effective with 416 (5PC9164), 426 (7BC3058), 436 (5KF658), 438 (3DJ388). The new components are not adaptable to earlier backhoe loaders.
Caterpillar Information System:
1990/02/12 Rework Procedures For The Hydraulic Pump Bias Piston{5070}
1990/02/12 Longer Nipple Prevents Mud From Covering Rear Axle Housing Breather{3260}
1990/02/12 Use Correct Method When Installing Center Bonded Mounts{1273,5056}
1990/02/12 Improved 2U0259 Rubber Cover For Hoist Valves Is More Resistant To Heat And Contaminants{5136}
1990/02/12 New Mounting Bracket Improves Operation Of Hoist Cable{5136}
1990/02/12 Heavy-Duty Wiper Motor Used{7305}
1990/02/12 New Pressure Switch Used In Suspension Inhibit Circuit{7200}
1990/02/12 Move The Grease Fitting To Improve Lubricant Penetration To Suspension Frame Bearings
1990/02/12 Invert A-Frame Mounting Bolts To Obtain Correct Torque{3268,7200}
1990/02/12 Seals Can Be Added To Suspension Cylinder Bearings{7213}
1990/02/05 Serviceable Parts Now Available For Cutter Clutch {5606}
1990/02/05 New Hose Clamps Have Constant Torque {5057,7554}
1990/02/12 New Mounting And Cylinder Group, Quick Coupler Group And Lines Group Improve Visibility{5133,5057,6129}
1990/02/12 New Mounting Bolts And Washers Used For Propel Motor{4351,7553}
1990/02/12 New Oil Cooler Gasket Has Bead On Only One Side{1378}
1990/02/12 New Exhaust Manifold Stud Available{1059}
1990/02/12 Identification Of Turbocharger And Fuel System Components{1250,1700,1052}
1990/02/12 Procedure To Charge Air Conditioner Using Receiver Dryer Sight Glass{7320,7322}
1990/02/12 Contaminated Refrigerant Can Cause Air Conditioner Failures{7320,1802,1805,7322}
1990/02/12 New Air Conditioner Thermostat Switches Used{7320}
1990/02/19 New Spider Assembly Used In Suction Fan Group{1356}
1990/02/19 New Turbocharger Guard Assembly Resists Vibration Better{1073}
1990/02/19 Shorter Tube Assembly Stops Hoses From Rubbing In Rear Hoist Oil Lines Groups{5057,5102}
1990/02/19 New Drain Lines Available For Differential Assemblies{3283,5057}