Improved Alternator Mounting Groups Are Used for Certain C15 and C18 Industrial, Marine, and Petroleum Engines {1405} Caterpillar

Improved Alternator Mounting Groups Are Used for Certain C15 and C18 Industrial, Marine, and Petroleum Engines {1405}

Usage:

C-15 BEM

Generator Set: C18 MARINE GS (S/N: GBM1-UP; MGS1-UP)
Industrial Engine: C-15 IND (S/N: BEM1-UP); C15 IND (S/N: JRE1-UP; MCW1-UP); C18 INDUSTRIAL (S/N: WJH1-UP; WRH1-UP)
Marine Engine: C15 MARINE (S/N: RLA1-UP); C18 MARINE (S/N: PLE1-UP; C1J1-UP); C18 MARINE ENG (S/N: T2P1-UP)
Petroleum Engine: C15 PETROLEUM (S/N: JDK1-UP; JDY1-UP); C18 PETROLEUM (S/N: WJW1-UP)

Description Of Change: The improved alternator mounting groups offer resistance to vibration. The improved alternator mounting groups utilize isolation mounts.

Adaptable To: The improvement has been made to the alternator mounting groups listed in Table 1.

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Table 1
Part Number
286-8180
286-8179
186-3652
186-3653

Reference: Special Instruction, SEHS0125, Improved Alternator Mounting Groups Are Used for Certain C15 and C18 Industrial, Marine, and Petroleum Engines for additional information.Refer to Table 2 for a list of part numbers needed to install the improved alternator mounting groups.

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Table 2
New Part Number	Description	Quantity
054-3788	Washer	1
0L-1329	Bolt	1
0S-1587	Bolt	1
0S-1588	Bolt	2
1F-7958	Full Nut	1
2B-0947	Bolt	1
437-7746	Mount	2
444-6549	Rod As	1
451-8195	Rod	1
479-0175	Support Bracket	1
481-2522	Block	1
481-3933	Block	1
5L-5012	V-Belt Set	1
5P-8245	Hard Washer	2
6V-2605	Taperlock Stud	1
7X-3374	Full Nut	3
9H-8260	Bolt	1
9X-6458	Hard Washer	2

This change is effective for the serial numbers listed in Table 3.

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Table 3
Effective Serial Numbers
S/N:BEM07171-UP
S/N:JDK00570-UP
S/N:JDY00769-UP
S/N:JRE14639-UP
S/N:MCW09675-UP
S/N:RLA01079-UP
S/N:C1J01135-UP
S/N:GBM01449-UP
S/N:MGS00921-UP
S/N:PLE00644-UP
S/N:T2P5073-UP
S/N:WJH09626-UP
S/N:WJW00296-UP
S/N:WRH08009-UP