LENS 1003250 - Caterpillar

Electric Power Generation:
XQ200 (S/N: MJE1-UP)
Generator Set:
C27 GEN SET (S/N: DWB1-UP)
C32 GEN SET (S/N: SXC1-UP; JSJ1-UP; SYC1-UP; PRH1-UP)
C32 MAR GS ENG (S/N: RNE1-UP; RNX1-UP)
Industrial Engine:
C27 INDUSTRIAL (S/N: TWM1-UP)
C32 INDUSTRIAL (S/N: TLD1-UP)
Marine Engine:
C32 MARINE (S/N: RNC1-UP; RND1-UP; T3T1-UP; RNY1-UP; RNZ1-UP)
Petroleum Engine:
C32 PETROLEUM (S/N: B2C1-UP; SMP1-UP)
Petroleum Power Train Package:
C32 PET GENSET (S/N: PEF1-UP)
TH48-E70-C32P (S/N: PKG1-UP)
Power Module:
C32 POWER MODUL (S/N: MED1-UP; KNM1-UP)
Engine News SEBD9671, 8 October 2010, "A New Bolt for the Rocker Shaft on Certain C27 and C32 Engines Is Now Used ". Disregard this article. Refer to the article that followsDescription of Change: The new bolt is designed for extended service life.Adaptable To:
Illustration 1 g02356778
(1) New 356-5212 Bolt (2) Valve mechanism (3) Rocker arm
Table 1
Effective Serial Numbers    
S/N:DWB02111-UP    
S/N:TWM02038-UP    
S/N:B2C00225-UP    
S/N:JSJ00730-UP    
S/N:PEF00002-UP    
S/N:PKG00002-UP    
S/N:RNC03199-UP    
S/N:RND00340-UP    
S/N:RNE00141-UP    
S/N:RNX00326-UP    
S/N:RNY00946-UP    
S/N:RNZ00481-UP    
S/N:SMP00279-UP    
S/N:SXC05398-UP    
S/N:T3T00384-UP    
S/N:TLD00618-UP    
S/N:KNM00268-UP    
S/N:MED00197-UP    
S/N:PRH00714-UP    
S/N:SYC05484-UP    
S/N:MJE02097-UP    The new 356-5212 Bolt is a direct replacement for 5J-5794 Bolt and 338-4562 Bolt .The new bolt is adaptable back to the first production of the listed engines. The change is effective at the factory with serial numbers listed in Table 1
Lubricate the new 356-5212 Bolt threads and the rocker arm shaft to the bolt interface with clean engine oil before assembly.
Tighten the bolts in sequence 2,3,1,4. Refer to Illustration 1
Torque the bolts to 55 5 N m (41 4 lb ft).
Retighten the bolts to 55 5 N m (41 4 lb ft)
Turn the bolts in sequence 2,3,1,4 to 60° 5°The bolt can be reused multiple times, but the bolt should be inspected before each reuse. Refer to Reuse And Salvage Guidelines, SEBF8301, "Inspection and Reuse of Critical Fasteners Used in All Engines".