New Valves Improve Harvester Head Service Life {0587}
Usage:
645 (2JZ),
655 (3MZ),
665 (4RZ),
675 (5WZ) Harvester Heads, 487 (6KW),
495 (5TZ),
687 (4FZ),
695 (8MW) Tree Harvesters
Description of Change: New valves are available for the machines listed. The new valves increase the service life of the Harvester Heads. The new valves are listed in the following Table.
Adaptable To: The new valves are effective with Harvester Heads listed in the following Table. The new valves are adaptable to first production Harvester Heads attached to Tree Harvesters listed in the following Table.
Caterpillar Information System:
1999/02/08 Supplemental Steering Self Test Changed On New D-Series Trucks {4323,4343}
1999/02/08 New Engine Pressure Sensors Available {1916,1917,1922,1923,1924}
1999/02/08 Valve Bodies Now Stress Relieved To Improve Service Life {3167}
1999/02/08 C-Series Backhoe Loaders Are Being Updated {1000,5077,6501,6504}
1999/02/08 New Inching Modulation Valve And Cable Prevents Oil Leakage {3162,3167}
1999/02/08 Acceptable Welding And Drilling Locations On ROPS Cab {7325}
1999/02/08 New Brake Air Pressure Switch Has Increased Service Life {1432}
1999/02/01 Procedure For Assembly And Installation Of Conventional Duo-Cone Seals Is Now Available{7561}
1999/02/01 New Pulse Width Modulated Brake Sensor Now Available{4800}
1999/02/01 New Asphalt Deflector Kit{6630,6631}
1999/02/01 Procedure For Propel Pump Neutral Adjustment For AP-1055B/BG-2455C{3108}
1999/02/01 Procedure For Propel Pump Neutral Adjustment For Rubber Tire And Steel Track Asphalt Pavers{3108}
1999/02/08 New Feeder Control Group Available for Certain Paver Models {5643}
1999/02/08 New Battery Increases Starting Power {1401}
1999/02/08 Supports On Accelerated Pre-Separation Group Are Now Serviced {6934}
1999/02/08 Correct Seal Usage Improves Service Life {7555}
1999/02/08 New VIMS Application Guide Available {7601,0374}
1999/02/15 Spacers Now Used On 1R-1210 Midwheels {4192,4150}
1999/02/15 Special Instruction, REHS0151-01, Available For Procedure For Reinforcing And Bolting On Guide Blocks {4198}
1999/02/15 Supplement To Correct Seal Ring Positioning {3159,7555}
1999/02/15 New Right Side Platform Design Will Reduce Cracking Between Platform And Cowling {7253}
1999/02/15 Thrust Buttons For Planetary End Housing Assembly Salvage Now Available {3150,3169}
1999/02/15 Improved Brake Hubs Now Available For Certain Off-Highway Trucks {4061,4251}
1999/02/15 Bolts, Washer, And Spacers Grouped Into Fastener Groups In Engine Cylinder Head Groups {1100}