New Improved Emergency Stop Switch Contact Block is Now Used on Certain Gensets {1408, 7418} Caterpillar


New Improved Emergency Stop Switch Contact Block is Now Used on Certain Gensets {1408, 7418}

Usage:

C27 2A3
Electric Power Generation
3516C GEN SET (S/N: SBK2000-2733)
3516E GENSET (S/N: JD7100-113)
C175-16 GEN SET (S/N: WYB1512-2197)
Engine
3512 (S/N: LY7100-155)
3512B (S/N: BS5190-559; LY8100-227; LY9100-100; HDB110-112; YBB231-231; YAY1534-1578; YAZ853-899)
3512C (S/N: CT2188-491; LYH100-242; LYP100-113)
3516 (S/N: ZAL1000-1003; ZBL120-132; YAS1000-1023; YBS159-217)
3516B (S/N: GD3113-159; JCH106-154; JCN103-440; YAP848-912; ZAP2000-2076; ZBP188-306; PBR1000-1000; PDR101-101; YAR908-954; ZAR1000-1056; ZBR184-289; GZT172-178; YAT1000-1100; YBT317-643; YAW1000-1029; YBW201-260)
3516C (S/N: SKC123-130; SBJ2000-2205; SCJ1000-1010; SFJ483-934; SCK1000-1023; SEK592-1280; SFK121-128; GBZ100-102)
3516E (S/N: JH8100-143; LCK103-126)
C175-16 (S/N: WYC2004-2015)
C175-20 (S/N: BXR1105-2047)
G3512 (S/N: E2N150-156; E2P150-192; E2S115-116; E2T150-173; E2X115-134)
G3512H (S/N: GF5118-118)
G3516H (S/N: NWH100-156; NWJ100-110; GLM152-188; GLN127-138)
G3520H (S/N: GFP138-165; GFR128-206)
Generator Set
C27 GEN SET (S/N: 2A3101-285; GDS388-1066; T4Z328-473)
C32 GEN SET (S/N: JSJ3021-3391; JAZ1468-3497)

Description Of Change: New gold plated emergency stop contact block is now used on certain electric power packages. The contact blocks have improved switching capability and improved the ability of Electronic Modular Control Panel(EMCP) and Advanced Diesel Engine Management(ADEM) to recognize emergency stop event resets.

Adaptable To: The following changes are adaptable to the engines within the listed serial numbers, and are effective with all engines after the listed serial numbers.

Replace the new parts with the former parts listed in Table 1.

Table 1
Parts List 
Qty  New Part Number  Part Name  Description  Former Part Number 
539-6661  Contact Block  Normally closed (2)  442-6218 
539-6662  Contact Block  Normally open/Normally Closed (1+1)  442-6215 
539-6663  Contact Block  Normally Open  442-6213 

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