ORIFICE 5S0907 - Caterpillar

Engine:
3508B (S/N: S2B1-UP; S2D1-UP; S2E1-UP)
3512B (S/N: S2H1-UP; S2J1-UP; S2L1-UP; S2M1-UP)
3516B (S/N: S2P1-UP; S2R1-UP; S2S1-UP; S2W1-UP; S2X1-UP; S2Y1-UP)
Description of Change: The mounting of the power distribution box has been improved. Flexible mounts have been added to the mounting group. This will provide isolation of vibration and increased service life of the power distribution box .Adaptable To: The newly designed 231-7874 Box Mounting Gp is adaptable to all of the above engines. New 231-7874 Box Mounting Gp that are ordered will include the flexible mounts.Table 1 lists the parts that are required in order to adapt to the new design.The improved design of the mounting for the power distribution box is effective with the following engines that are listed in Table 2.
Table 1
Required Parts    
Quantity     Part    
4     4P-0870 Flexible Mounts    
4     1C-2251 Bolts    
Illustration 1 g01121586
(1) Flexible mount (2) Bolt (2) Bolt Torque ... 25 N m (18 lb ft)
Table 2
Effective Serial Number    
S/N:S2B117-UP    
S/N:S2D109-UP    
S/N:S2E160-UP    
S/N:S2F103-UP    
S/N:S2H116-UP    
S/N:S2J125-UP    
S/N:S2K108-UP    
S/N:S2L179-UP    
S/N:S2M110-UP    
S/N:S2N106-UP    
S/N:S2P101-UP    
S/N:S2R109-UP    
S/N:S2S126-UP    
S/N:S2W102-UP    
S/N:S2X166-UP    
S/N:S2Y104-UP