PACKING (3 RINGS) 5M7590 - Caterpillar

Electric Power Generation: 3412 GENSET (S/N: 4BZ1-UP)Engine: 3176B (S/N: 9WK1-UP) 3408B (S/N: 8RG1-UP) 3408C (S/N: 8RG1-UP) 3412 (S/N: 3JK1-UP; BCS1-UP) 3412C (S/N: 3JK1-UP; DJN1-UP; 9EP1-UP; TFT1-UP; BCW1-UP; LRY1-UP; RTY1-UP) 3412E (S/N: TGC1-UP) 3508 (S/N: 3PS1-UP; 5PW1-UP) 3508B (S/N: S2D1-UP; S2E1-UP; S2F1-UP; 2BM1-UP; 3DM1-UP; 7SM1-UP; 1TW1-UP; 5KW1-UP) 3512 (S/N: 3RS1-UP; 6WW1-UP) 3512B (S/N: FDE1-UP; S2J1-UP; S2K1-UP; S2L1-UP; S2M1-UP; 7HM1-UP; 8EM1-UP; BRN1-UP; S2N1-UP; 4TN1-UP; 2GW1-UP; 5AW1-UP; 6GW1-UP; 2EZ1-UP) 3512C (S/N: MRG1-UP; MKH1-UP) 3516 (S/N: 3SS1-UP; 8TW1-UP) 3516B (S/N: CDE1-UP; B5G1-UP; 8CN1-UP; 8KN1-UP; 9AN1-UP; S2S1-UP; S2T1-UP; S2W1-UP; 2JW1-UP; 3CW1-UP; 4BW1-UP; 8NW1-UP; FDX1-UP; S2X1-UP; S2Y1-UP) 3516C (S/N: PAG1-UP)Generator Set: 3406C GEN SET (S/N: C5G1-UP) 3406E GEN SET (S/N: 8AZ1-UP) 3456 GEN SET (S/N: CCB1-UP; C1G1-UP; C3G1-UP; C4G1-UP; CAH1-UP; CBX1-UP) C18 GEN SET (S/N: G4C1-UP; STD1-UP; DKE1-UP; STM1-UP; EKW1-UP)Marine Engine: 3126B MARINE (S/N: 3GS1-UP) 3176C MARINE (S/N: 6BW1-UP) 3406E MARINE (S/N: 9WR1-UP) 3412E MARINE (S/N: 9KS1-UP; 9PW1-UP) C32 MARINE (S/N: RXB1-UP; SLT1-UP) C9 MARINE (S/N: CSN1-UP)Introduction
Illustration 1 g02947857
This special instruction is to identify and flash EMS modules with the correct software part numbers.The EMS III module (1) is located on the dash assembly. Important Safety Information
Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs.A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools in order to perform these functions properly.Safety precautions and warnings are provided in this instruction and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard.Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive. If a tool, a procedure, a work method, or operating technique that is not recommended by Caterpillar is used, ensure that the procedure is safe for you and for other people to use.Ensure that the product will not be damaged or the product will be made unsafe by the operation, lubrication, maintenance, or the repair procedures that are used.Parts Information
Note: The EMS II is no longer available. If replacement is necessary, use one of the part numbers in Table 1.
Table 1
Part Numbers of EMS III    
Part Number     Description    
252-4501     Electronic Control Module (Positive Mode Polarizer (Light Backround/Black Characters))    
252-4503     Electronic Control Module (Negative Mode Polarizer (Dark Backround/Light Characters))    Flashing Procedure
Note: Software on the EMS II was preloaded. The software for the EMS III is downloadable from SIS Web, and must be flashed into the control module.Note: Verify, as with any software update, any other machine system update requirements, hardware, or software, that need to be performed prior to software changes. Instructions For Assembling An EMS III Bypass Harness
Determine the appropriate hardware and software for the Monitoring System Update (EMS III).Refer to Table 2.
Illustration 2 g03651578
(1) Service Tool Connector