Hydraulic Pressure Settings For Backhoe Loaders{5050,5450}
Usage:
Chart A lists the correct pressure settings for the hydraulic system on backhoe loaders. These pressures are effective with the machines in Chart B.
Caterpillar Information System:
1988/12/05 Improved Coupler Pin Helps Prevent Cylinder Rod Bending{6129}
1988/12/05 New Air Tank Drain Valve Used{4250,4272}
1988/11/28 More Charts And Decals Available For Lubrication And Maintenance Intervals {0374,0375,7500}
1988/11/28 Stronger, Longer Ring Gear Retainers For Final Drives {4054,4084}
1988/11/28 Improved Wheel And Longer Bolts Provide Better Retention Of Front Brake Disc {4255,4201}
1988/11/28 New Mounting Pin Assemblies For Blade Tip Cylinder {5106}
1988/11/21 One-Piece Tappet (Follower) Used In 11 mm (Type 2) Fuel Injectors{1290}
1988/11/21 New Oil Seal For Water Pumps Has Hydrodynamic Grooves{1361,1389}
1988/11/21 Improved Pressure Gauge Sender Used{7450,7485}
1988/11/21 Be Sure To Follow Cooling System Recommendations{1350}
1988/11/21 Fabric Seat And Back Cushions Available For Parts Service{7307,7312}
1988/11/21 New Hydraulic Screed Counterbalance System Available{8225}
1988/12/05 Improved Air Conditioner Thermostat Switches Have Tin-Plated Internal Parts{7320}
1988/12/05 Operation Of Feeder Sensor Control{8216}
1988/12/12 Revised Instructions For Installation of New Maintenance Free Batteries{1401,1400}
1988/12/12 New Operator Monitor Group Used{7490}
1988/12/12 Parts Needed If Air Compressor Tubes Replaced{4257,1803}
1988/12/12 New Switch For Back-Up Alarm{7406}
1988/12/12 New Solenoid Valve For Rotor Lift System{8245}
1988/12/12 New Mounting Bolts Used In Aftercooler Housings{1063,1058}
1988/12/12 Maintenance Procedure Extends Service Life Of Exhaust Manifold Studs{1050}
1988/12/12 New Alternator Drive Pulley Has Hardened Wear Sleeve; New Seal Used On Pulley{1425,1357}
1988/12/12 Oil Cooler Bypass Elbow Changed To Prevent Bypass Valve Seizure{1314,1318}
1988/12/19 New Material Used For Rotating Seal Rings In Some Power Shift Transmissions, Steering Clutches And Torque Converters {3101,3150,4100}