300.9D VPS Mini Hydraulic Excavator Machine Systems Caterpillar


Cylinder Head

Usage:

300.9D DW2


Illustration 1g03549637


Illustration 2g03549638
Cylinder head bolt tightening sequence

Table 1
Specification for Cylinder Head 
Item  Qty  Part  Specification Description 
Use the following procedure in order to tighten the cylinder head bolts (1):
Note: Before assembly, apply clean engine oil to the threads of the bolts and mounting surfaces. 
1. Tighten bolt 1 through bolt 14 in a numerical sequence to 26 to 30 N·m (19 to 22 lb ft).
2. Again, tighten the bolt 1 through bolt 14 in a numerical sequence to 54 to 58 N·m (40 to 43 lb ft).


Illustration 3g03549639
Cylinder head bolt removal sequence

Table 2
Item  Qty  Part  Specification Description 
Note: Refer to Illustration 3, in order to remove the cylinder head bolts. 

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