BOLT 7B2725 - Caterpillar

Electric Power Generation: 3412 GENSET (S/N: 4BZ1-UP; 1EZ1-UP) 3412C (S/N: DJN1-UP; 9EP1-UP; TFT1-UP; BCW1-UP; RTY1-UP) 3412E (S/N: TGC1-UP)Engine: 3412 (S/N: 1EZ1-UP) 3412C (S/N: BLG1-UP)Introduction
This kit upgrades the electric power generator set electronic controller module from a 295-2166 Primary Engine Ar to a 395-2166 Electronic Control Gp .Note: This upgrade applies to systems using an EMCP 3.3, EMCP 4.2, or newer.Note: The A5 Electronic Control Module (ECM) upgrade kit is not applicable to marine installations or systems using an EMCP I, EMCP II, or EMCP II+.Required Parts
The parts listed in Table 1 are all of the groups and additional parts needed to upgrade the electrical system.
Table 1
Item    Qty    Part Number    Part Description    
1     1     462-0598     Engine Electronic Control and Mounting Gp    
2     1     460-8341     Engine Sensor Gp    
3     1     459-8206     Engine Wiring Gp    
4     1     483-3407     Engine Control Wiring Gp    
5     2     174-4883     Studs    
6     1     107-6630     Filter Connector    
7     1     6V-5049     O-Ring Seal    
8     1     4N-1683     Cover    
9     1     239-5571     Integral Seal    Removal of the Existing ECM
Note: If the ECM is bad, proceed to Step 5.The procedure below is for removing the existing control module.
1. Resolve any existing issues with the controller, the generator set, or the wiring between the control and the generator set.
2. Perform a voltage and continuity check to insure that the schematic conforms to the as-built condition of the existing installation.
3. Record the generator set parameters at idle and rated speed.
4. Record the baseline operating parameters of the generator set.
5. Remove the existing ECM.ECM And Sensor Removal
The following is a list of sensors and parts currently connected to the PEEC that are no longer needed. The PEEC and EMCP use duplicate sensors for certain readings. The new A5 ECM now communicates directly with the EMCP by broadcasting values over the J1939 datalink. The existing system has unnecessary sensors. To avoid confusion, cap and tie off the sensors listed below :
239-9957 Liquid Level Sensor Gp (Coolant)
7X-1043 Temperature Sensor Gp (Coolant)
163-8516 Pressure Sensor Gp (Oil)
333-9312 Engine Electronic Control Gp
137-3407 Engine Ratings Electronic Control
9X-9591 Electrical Converter Gp Leave the following components installed :
3E-0445 Engine Electronic Control Gp
105-2939 Rotary Solenoid
3E-0076 Solenoid As
318-1180 Speed Sensor Gp Removal Procedure
Illustration 1 g03867695
(1) 6V-4589 O-Ring Seals (2) 6V-6560 O-Ring Seal (3) 5P-1404 Adapter (4) 261-5172 Temperature Sensor (5) 129-2327 Elbow (6) 3E-5276 Adapter (7) 276-9067 Pressure Sensor Gp
Remove the components shown in Illustration 1.
Illustration 2 g03867826
(8) 318-1181 Speed Sensor Gp (9) 7X-1043 Temperature Sensor Gp (10) 112-3231 Adapter (11) 234-5012 Temperature Sensor Gp
Remove temperature sensor group (9) from the location shown in Illustration 2.
Install temperature sensor group (11) with adapter (10) back into the same location as the previous