CLIP 1S0396 - Caterpillar

Engine:Commercial G3500 FamilyIntroduction
Do not perform any procedure in this Special Instruction until you have read and understood the information.This Special Instruction describes the installation of the ADEM 3 Electronic Control Module (ECM) on G3500A Engines. The ADEM 3 electronic control improves performance and reliability by integrating the following functions:
Engine Governing
Engine monitoring
Air/fuel ratio control
Ignition timing
Detonation control
Engine prelubeThe ADEM 3 control system is also commonly known as the A+ or the A3 control system.Whenever questions arise about this product or about this Special Instruction, consult your local Caterpillar dealer for the latest available information.References
The following reference materials may be necessary for this procedure:Disassembly and Assembly Manual, SENR6419 Special Instruction, REHS2558, "Installation and Start-up Procedure for G3500 A3 Engines"System Description
Illustration 1 g01247636
Typical engine configuration (1) Throttle actuator (2) Exhaust Temperature Module (ETM) (3) Engine interface box (EIB) (4) ADEM 3 Engine Control Module (ECM) (5) Actuator for air/fuel ratio control (6) Fuel valve
Illustration 2 g01431190
Rear view (7) Oxygen sensor (8) Adapter plate for oxygen sensor (9) Oxygen buffer
Illustration 3 g01431205
View A-A (10) Fuse (F3) main system (11) Fuse (F4) throttle (12) Fuse (F5) air/fuel ratio control (13) Ground wire (14) Jumper wire (P200-C19) (15) Battery (-) () Battery (+)Parts List
Conversion Arrangement for G3508 with Single Turbocharger
Table 1 lists the options for the following application:
300-4123 Engine Conversion Ar
G3508 petroleum engine
High-pressure gas
Canadian Standards Association (CSA) specification
Air start system
Single circuit cooling system
Single turbocharger
Table 1
Options for G3508 Conversion Arrangement with Single Turbocharger 300-4123    
Qty     Part Number     Description     Remarks    
1     251-9444     Control Box Gp     Remote mounted advisor panel    
1     251-9466     Wiring Harness     20 foot interconnect harness EIB to remote advisor panel    
1     251-9467     Wiring Harness     30 foot interconnect harness EIB to remote advisor panel    
1     251-9468     Wiring Harness     50 foot interconnect harness EIB to remote advisor panel    
1     251-9513     Air Starting Lines Gp     For use with vane type air start motor without prelube    
1     273-3130     Air Starting Lines Gp     For use with turbine type air start motor without prelube    
1     273-3107     Electronic Control Wiring Gp     Wiring group for PL 1000E for use with remote advisor panel    
1     273-3110     Electronic Control Wiring Gp     Wiring group for PL 1000T for use with remote advisor panel    
1     298-4719     AFRC Conversion Gp     For use with engines with existing Air/Fuel Ratio Control (AFRC)    
1     298-4715     AFRC Conversion Gp     For use with engines without existing AFRC    
1     300-4125     Wiring Harness Fastener Gp     For use with engines without existing AFRC and not upgrading to AFRC    
1     298-4717     AFRC Conversion Wiring Gp     For use with engines with AFRC upgrading to A3    
1     298-4716     AFRC Conversion Wiring Gp     For use with engines upgrading to AFRC