1999/03/01 Caterpillar

Special Instructions For Converting To Hydraulic Actuator System (Hydrax) Now Available {1716}

Usage:

G3606 (3XF),
G3608 (4WF),
G3612 (1YG),
G3616 (4CG) Engines

Reference: Engine News, January 1999, Page 25, "Procedures For Checking And Charging Hydrax Accumulator". Engine News, December 1998, Page 8, "Electronic Actuator Group [Part Of The Hydraulic Actuator System (Hydrax)] Available For Parts Service".

The special instructions and the components required to convert G3600 Engines that are equipped with a Heinzman Electronic Actuator System to the new Hydraulic Actuator System (Hydrax) are available. The following special instructions are available through normal Caterpillar literature ordering channels:

* Special Instruction, Installation Of The Hydraulic Actuator System (Hydrax), G3606 and G3608, REHS0147

* Special Instruction, Installation Of The Hydraulic Actuator System (Hydrax), G3612 and G3616, REHS0385

These special instructions identify all the required components and provide detailed installation information required for this conversion.

In addition to the components identified in the Special Instructions, the following wiring diagrams should be requested from your local Caterpillar Dealer:

NOTE: A new personality module is required when the Hydrax system is installed. Before ordering your new personality module, please complete the form included in the special instruction. Mail or fax the completed form to the factory as instructed. This will insure that you receive the proper personality module configuration for operation with the Hydrax system.

The Hydrax system is intended to reduce maintenance cost and improve actuator system reliability. Proper installation and setup are required to optimize the system. See the Reference Articles for additional information.

Caterpillar Information System:

1999/03/01 New O-Ring Seals Help Prevent Coolant Leaks In High Jacket Water Temperature Applications {1100,7555}

1999/03/01 New "Long Core" Aftercooler Provides Improved High Ambient Temperature Performance {1064}

1999/03/01 Use 146-2727 Tool Group To Monitor And Check Engine Performance On 3600 Engines {1000}

1999/03/01 New Engine Pressure Sensors Available {1916,1917,1922,1923,1924}

1999/03/01 Use 132-8263 Spanner Wrench To Remove And Install Terminal Assembly In Electronic Ignition System (EIS) Transformer Group {0712,1409}

1999/03/01 New Flywheel Housing Gasket For 3406 Engines {1157}

1999/03/01 Use 145-5247 And 147-2675 Wear Sleeve Installer To Install Crankshaft Wear Sleeves {1202}

1999/03/01 New Piston With 4 mm Wide Oil Ring Reduces Light Load Oil Consumption {1214,1215,1225}

1999/03/01 Use 170-9227 Reamer Shims To Aid In Reaming 3100 Engine Injector Sleeves {1250}

1999/03/01 New Top Piston Rings Available {1215}

1999/02/01 Use 152-7143 Cable Assembly For Flash-Programming Generator Status Control Module{4450}

1999/02/01 Caterpillar Now Has Parts Support For Previously Non-Supported Custom Parts{7567}

1999/03/01 10W Hydraulic Oil Recommended For G3600 Hydraulic Actuators (HYDRAX) {5050,5095}

1999/04/01 New Caterpillar High Efficiency Fuel Filters With STAY CLEAN VALVES® Replace All Standard Fuel Filters In February Of 1999{1261}

1999/04/01 New 153-9630 Sensor Test Group Adapter Kit For DataView Now Available{1000}

1999/04/01 Use 156-1060 Gas And 156-1070 Gas And Diesel Engine Analyzer To Check Emissions{1088,0781}

1999/04/01 Needle Valve May Be Needed To Accurately Measure Engine Return Fuel Flow{1250,0782}

1999/04/01 Use 157-3716 (Exhaust) And 157-3717 (Intake) Valve Seat Drivers To Install Valve Seats In Engines With Unfinished Valve Guides{1103,0703}

1999/04/01 New Fuel Shutoff Solenoids With Improved Durability Available{1259}

1999/04/01 Use 154-8100 Fuel System Arrangement And 154-8101 Fuel System Group To Measure Engine Fuel Flow{1250,0782}

1999/04/01 New Oil Pump Group Used{1304}

1999/04/01 Re-Alignment Warning Tag On All 3500 Generator Sets Reminds Of Alignment Required At Installation{1021}

1999/04/01 New Exhaust Manifold Group Seals Provides Improved Exhaust Gas Sealing{1059}

1999/04/01 Be Sure To Use The Correct Gas Fuel Pressure{1250,1270,1293}