G3516H and G3520H Generator Set Engines Caterpillar


Cylinder Head

Usage:

G3520H GFP


Illustration 1g03353616

Table 1
Specification for 415-5586 Cylinder Head Gp 
Item  Qty  Part  Specification Description 
219-7000 O-Ring Seal  Before assembly, coat the bore in the head and the O-ring seal with liquid soap. 
348-2213 Adapter  Before assembly, lubricate the threads with Loctite C5A Copper Anti-Seize.
Torque to 120 ± 10 N·m (89 ± 7 lb ft)
3B-0645 Cup Plug  Before installation, apply Loctite 11358 to the bores for the cup plugs.
Installation depth (G) for cup plug is 1.5 ± 0.5 mm (0.06 ± 0.02 inch)
3B-0623 Cup Plug  Before installation, apply Loctite 11358 to the bores for the cup plugs.
Installation depth (H) for cup plug is 1.0 ± 0.5 mm (0.04 ± 0.02 inch)


Illustration 2g03353618
View A-A

Table 2
Item  Qty  Part  Specification Description 
6V-7604 Cup Plug  Installation depth (M) for cup plug is 25.5 ± 0.5 mm (1.00 ± 0.02 inch)
208-8776 Cup Plug  Installation depth (N) for cup plug is 1.5 ± 0.5 mm (0.06 ± 0.02 inch)
6V-7604 Cup Plug  Installation depth (P) for cup plug is 1.5 ± 0.5 mm (0.06 ± 0.02 inch)


Illustration 3g03353619
376-8657 Block Spacer Gp

Table 3
Item  Qty  Part  Specification Description 
131-0420 Cylinder Head Fastener Gp  Use the following procedure in order to tighten the bolts for the cylinder head:

Refer to Illustration 3for cylinder head bolt tightening sequence.
1. Before assembly, apply clean engine oil to the threads of the bolts.
2. Tighten bolt 1 through bolt 8 in the numerical sequence to a torque of 30 ± 5 N·m (266 ± 44 lb in).
3. Again, tighten bolt 1 through bolt 8 in the numerical sequence to a torque of 200 ± 15 N·m (148 ± 11 lb ft).
4. Again, retighten bolt 1 through bolt 8 in the numerical sequence to a torque of 200 ± 15 N·m (148 ± 11 lb ft).
5. Again, turn bolt 1 through bolt 8 in the numerical sequence to an additional angle of 180 ± 5 degrees.
6. Tighten two bolts (9) only after bolt 1 through bolt 8 have been given the final torque. Tighten two bolts (9) to 55 ± 10 N·m (41 ± 7 lb ft)
0S-1590 Bolt 

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