SLEEVE 6L6490 - Caterpillar

Illustration 1 g03130720
Table 1
Specification for 185-3607 Cylinder Head Gp
Item Qty Part Specification Description
1 1 5B-7890 Pipe Plug Before assembly, apply Loctite C5A copper anti-seize to the threads.
2 6 131-0420 Cylinder Head Fastener Gp Before assembly, apply engine oil to cylinder head bolt threads.
Use the following procedure in order to tighten the cylinder head bolts. Refer to Illustration 1 for the tightening sequence:
1. Tighten bolt 1 through bolt 8 in the numerical sequence to 30 5 N m (22 4 lb ft).
2. Again, tighten bolt 1 through bolt 8 in the numerical sequence to 270 35 N m (200 26 lb ft).
3. Again, tighten bolt 1 through bolt 8 in the numerical sequence to 450 20 N m (332 15 lb ft).
4. Tighten two bolts (4) only after bolt 1 through bolt 8 have been given the final torque. Tighten two bolts (4) to 55 10 N m (41 7 lb ft).
3 2 131-0421 Cylinder Head Fastener Gp
4 2 5B-0213 Bolt
Illustration 2 g03130719
Table 2
Item Qty Part Specification Description
5 2 206-4483 Valve Seat During installation, shrunk the valve seat insert with reduced temperature.
6 2 6I-1713 Valve Seat Insert During installation, shrunk the valve seat insert with reduced temperature.
7 1 4P-6925 Oil Sleeve During installation, shrunk the oil sleeve with reduced temperature.
Installation depth is 16.5 1.0 mm (0.65 0.04 inch).