A New Piston Kit Is Available for The 446 BackHoe Loader Hydraulic Pump{5070}
Usage:
446 (6XF),
446B (5BL) Backhoe Loaders
A new 129-2964 Piston Kit is available for the 105-1645 Hydraulic Pump. The 129-2964 Piston Kit will improve hydraulic instability encountered during the ldquofeatheringrdquo operation in the field with some 446 Backhoe Loaders.
The 129-2964 Piston Kit replaces the former 6E-6602 Piston Kit and is adaptable to 446 (6XF-Up), and 446B (5BL500-876) Backhoe Loaders.
NOTE: When installing the 129-2964 Piston Kit, be sure to use #680 Loctite on the threads.
Caterpillar Information System:
1996/01/22 Service Spools For Backhoe Valves{5051}
1996/01/22 Front Counterweight Package Available{7055,7056}
1996/01/15 New Engine Cylinder Liner Available{1216}
1996/01/15 New Rotating Beacons Available{1431}
1996/01/15 New Hooks Add Greater Below Ground Line Operation For Balderson Hydraulic Brooms {6335}
1996/01/15 Pre-Cleaner Extension Available {1055}
1996/01/15 Hydraulic Fan Drive Operation And Electrical Troubleshooting{1359,1408,1435,1906}
1996/01/15 New Hose Assembly Allows Clearance For Oil Filter Service{1307,1318}
1996/01/15 Detent Spring For The ICM Transmission Control Improves Service Life{3168}
1996/01/15 Rear Axle Differential Bearing Preload Procedure Improved{3015}
1996/01/08 Lockout Device Now Available For The Battery Disconnect Switch{1411}
1996/01/08 Air Conditioner/Heater Fan Switch Improved{1435,7320}
1996/01/22 BHL Heavy Duty Buckets Are Strengthened{6503}
1996/01/22 Stronger Retaining Rod Is Used For The Swing Cylinder Pin{6506}
1996/01/22 Record Turbocharger Serial Number On Warranty Claims{1052}
1996/01/22 Service Parts Available For Rear Signal Lamp Groups{1430,1432}
1996/01/22 New Transmission Control (Actual Gear Switch) Now Used{3168}
1996/01/22 Adjustment Of Transmission Neutralizer On The Brake Pedal To Suit Customer Conditions{4265,3168,3418}
1996/01/22 Service Parts Now Available For Priority Valve Group{5054}
1996/01/22 Caterpillar Electronic Technician (CAT ET){0700}
1996/01/22 Improvements To Air Conditioning Hi-Lo Switch{1435,7320}
1996/01/22 Proper Operation Of 24 Volt Radios{7338}
1996/01/22 Mixing Caterpillar Long Life Coolant/Antifreeze (LLCA) With Conventional Cat Diesel Engine Antifreeze/Coolant And/Or Other Commercially Available Diesel Engine Antifreeze/Coolants Is Not Recommended{1395}
1996/01/22 Fuel System Component Information{1254}