3500 Generator Set Engines Caterpillar

Illustration 1	g01391425
Typical example (A) Locating pad (B) Plug

Illustration 2	g01391426
Typical example

(1) Cylinder head bolt

1. Put clean engine oil on the threads of the bolts. Tighten the bolts in the order that is shown in illustration 2.

   Torque ... 30 ± 5 N·m (22 ± 4 lb ft)

2. Tighten bolts 1 through 8 in the numbered sequence.

   Torque ... 400 ± 35 N·m (300 ± 26)

3. Tighten bolts 1 through 8 in the numbered sequence.

   Torque ... 575 ± 20 N·m (420 ± 15 lb ft)

4. Tighten bolts 9 and 10.

   Torque ... 55 ± 10 N·m (41 ± 7 lb ft)

Illustration 3	g01391427
Typical example

(C) Depth of plug

Use 6V-6640 RTV Silicone Sealant in the plug bores prior to assembly.

Install two plugs in the top of the cylinder head to the following depth. ... 9.0 ± 0.5 mm (0.35 ± 0.02 inch)

(D) Height of new cylinder head ... 142.00 ± 0.15 mm (5.591 ± 0.006 inch)

(2) Plug

Use 6V-6640 RTV Silicone Sealant in the plug bores prior to assembly.

The remainder of the plugs are installed in the cylinder head below the bottom of the chamfer at the following depth. ... 1.0 ± 0.5 mm (0.04 ± 0.02 inch)