Special Instruction Available For Correct Installation Of 170-1601 Signal & Pressure Reducing Valve {4337}
Usage:
D250E Series II (4PS),
D300E Series II (5KS) Articulated Trucks
Description of Change: 160-8538 Signal & Pressure Reducing Valve is canceled and replaced by 170-1601 Signal & Pressure Reducing Valve on the machines listed above.
Adaptable To: 160-8538 Signal & Pressure Reducing Valve was installed on D250E Series II (4PS1-403) and D300E Series II (5KS1-363) Articulated Trucks.
The correct installation procedure for 170-1601 Signal & Pressure Reducing Valve is described in Special Instruction REHS0543, October 1, 1999, "Installation of 170-1601 Signal & Pressure Reducing Valve".
Caterpillar Information System:
1999/11/22 Special Instruction, REHS0521, Available For Converting Off-Highway Trucks From A Tu-Flo 750 Air Compressor To A Tu-Flo 1000 Air Compressor {1803}
1999/11/22 New Auxiliary Drive Adapter Assembly And Shaft Assembly Available {1207}
1999/11/22 New Cage And Adapter Assemblies Available For Power Take Off (PTO) Drives {1207}
1999/11/22 Constant Torque Hose Clamp Now Available {7550,7553}
1999/11/22 Maintaining Motor Grader Circle Improves The Pinion Service Life {5207,6153,6154,6155}
1999/11/22 New Spacer For Hydraulic Filter And Rod Assembly In Hydraulic Tank And Filter Now Available {5056}
1999/11/22 New Lamps For Instrument Panel Have Improved Service Life {1429,7451}
1999/11/22 Features Changed In Challenger Technician (CT) 2.3 {5990,7620}
1999/11/22 New Resolver Valve Has Backup Ring To Prevent Seal Extrusion {5051}
1999/11/15 New High Strength Piston Bolts For Threaded Gland Cylinders {5101,5102,5104,5106}
1999/11/15 Correction To Schematic, Electrical System, 950G And 962G Wheel Loaders, IT62G Integrated Toolcarriers, SENR1393-01 {0374,7566}
1999/11/15 New Cable Anchor Assembly Improves Cable Retention {5401}
1999/11/22 Correct Installation Of Steps {7254}
1999/11/22 Procedure To Tighten Bolts And To Shim The Rear Drive Axle Is Available {3278}
1999/11/22 Cylinder Head Bolt Re-torque Not Necessary For 3003, 3013, 3014, And 3024 Engines (All Applications) {1100}
1999/11/22 Transmission Oil Pump Has Internal Air Bleed Orifice {3066}
1999/11/22 Improved Brake Piston Eases Installation {4250}
1999/11/22 Improved Hydraulic Filter Provides Increased Filtration {5068}
1999/11/22 Hydraulic System Pressure And Engine Idle Settings For Telehandlers {5050,1000}
1999/11/22 Access Platform Schematics For Telehandler {7566,5050}
1999/11/22 Addition To OMM SEBU7196 And SEBU7197; Preheater Inspection {1061}
1999/11/29 Three-Point Hitch Position Potentiometer Shield Available {7120}
1999/11/29 Three-Point Hitch Top Link Improved {7120}
1999/11/29 Instructions for Modifying 793C Off-Highway Truck Hoist System In Order To Lower Truck Body While Loaded {5057}