SPACER 1L8545 - Caterpillar

Electric Power Generation:
3512 GEN SET (S/N: ZAF1-UP)
3512B GENSET (S/N: ZAH1-UP)
3516B GEN SET (S/N: ZAP1-UP)
3516C GEN SET (S/N: SBK1-UP)
Engine:
3508B (S/N: 5PS1-UP)
3512 (S/N: YAK1-UP)
3512B (S/N: YAM1-UP)
3512C (S/N: SBG1-UP)
3516B (S/N: PBR1-UP; YAT1-UP; YAW1-UP; S2X1-UP)
3516C (S/N: SBJ1-UP)
G3508 (S/N: WPN1-UP)
G3508B (S/N: RBK1-UP)
G3516 (S/N: ZBA1-UP; 4EK1-UP; WPS1-UP; WPT1-UP; WPW1-UP)
G3516B (S/N: JEF1-UP)
Description of Change: A new pressure switch with improved quality is used on certain engines and generator sets that are listed above.Adaptable To:
Illustration 1 g03736264
(1) Part Number and Date CodeNew process identified and in production (April 11, 2011 with a date code of 1115). Key dimensions are monitored and the joint torque tested to 1000 in lbs. All inventories have been purged. Any 150-1240 Pressure Switch with a Date Code of April 11, 2011 - coded 1115 to date is from the new process and approved. Each switch has a date code to identify the date and week of manufacture. Date code is listed by Year/Week. Refer to Illustration 1.The new 150-1240 Pressure Switch is adaptable to and effective in production for the serial number prefixes that are listed in the below Table 1.
Table 1
Sales Model    Adaptable Serial Number    Effective Serial Number    
3508B     S/N:5PS1-788     S/N:5PS789-UP    
3512     S/N:YAK1-394     S/N:YAK395-UP    
S/N:ZAF1-763 S/N:ZAF764-UP    
3512B     S/N:YAM1-430     S/N:YAM431-UP    
S/N:ZAH1-1012 S/N:ZAH1013-UP    
3512C     S/N:SBG1-973     S/N:SBG974-UP    
3516B     S/N:PBR1-680     S/N:PBR681-UP    
S/N:S2X1-1670 S/N:S2X1671-UP    
S/N:YAT1-569 S/N:YAT570-UP    
S/N:YAW1-273 S/N:YAW274-UP    
S/N:ZAP1-1532 S/N:ZAP1533-UP    
3516C     S/N:SBJ1-1267     S/N:SBJ1268-UP    
S/N:SBK1-1178 S/N:SBK1179-UP    
G3508     S/N:WPN1-1653     S/N:WPN1654-UP    
G3508B     S/N:RBK1-1047     S/N:RBK1048-UP    
G3516     S/N:4EK1-42525     S/N:4EK42526-UP    
S/N:WPS1-203 S/N:WPS204-UP    
S/N:WPT1-1558 S/N:WPT1559-UP    
S/N:WPW1-2909 S/N:WPW2910-UP    
S/N:ZBA1-1284 S/N:ZBA1285-UP    
G3516B     S/N:JEF1-1163     S/N:JEF1164-UP