3512B and 3516B Generator Set Engines with Dynamic Gas Blending Caterpillar


Cylinder Head

Usage:

3512B FFS


Illustration 1g03319617

Table 1
Specification for 154-1612 Cylinder Head As 
Item  Qty  Part  Specification Description 
130-2607 Valve Seat Insert  During installation, shrunk the valve seat insert and ress the insert into the cylinder heads counterbore. 
130-2608 Valve Seat Insert  During installation, shrunk the valve seat insert and ress the insert into the cylinder heads counterbore. 
3B-0645 Cup Plug  Before installation, apply Loctite 11358 to the bores for the cup plugs. 
3B-0623 Cup Plug  Before installation, apply Loctite 11358 to the bores for the cup plugs. 
3B-0623 Cup Plug  Before installation, apply Loctite 11358 to the bores for the cup plugs.
Installation depth (D) for cup plug is 1.0 ± 0.5 mm (0.04 ± 0.02 inch)
3B-0623 Cup Plug  Before installation, apply Loctite 11358 to the bores for the cup plugs.
Installation depth (E) for cup plug is 9.0 ± 0.5 mm (0.35 ± 0.02 inch)


Illustration 2g03319618

Table 2
Item  Qty  Part  Specification Description 
Before assembly, lubricate the threads of the pipe plug with Loctite C5A Copper Anti-Seize. 
Bolt  Use the following procedure in order to tighten the bolts for the cylinder head:

Before assembly, apply clean engine oil to the threads of the bolts.
Tighten bolt 1 through bolt 8 in the numerical sequence as shown in Illustration 2 to a torque of 30 ± 5 N·m (22 ± 4 lb ft).
Again, tighten bolt 1 through bolt 8 in the numerical sequence as shown in Illustration 2 to a torque of 200 ± 15 N·m (148 ± 11 lb ft).
Again, retighten bolt 1 through bolt 8 in the numerical sequence as shown in Illustration 2 to a torque of 200 ± 15 N·m (148 ± 11 lb ft).
Turn bolt 1 through bolt 8 in the numerical sequence to an angle of 180 ± 5 degrees as shown in Illustration 2 .
Tighten two bolts (10) only after bolt 1 through bolt 8 have been given the final torque.
Tighten two bolts (10) to 55 ± 10 N·m (41 ± 7 lb ft)
Bolt 
10 

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