C9.3 Tier 4 Final Engines Valve Mechanism Cover Caterpillar


Valve Mechanism Cover
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Illustration 1g03509840


Illustration 2g03509841
Tightening sequence

Table 1
Specification for 419-4591 Valve Cover and Injection Harness Base Gp 
Item  Qty  Part  Specification Description 
161-7419 Stud  Tighten the bolts and studs in numerical order as shown in Illustration 2.
Use the following tightening sequence:

1. Use multi spindle torquing tool.
2. Avoid bolts (2) at locations 6, 1 & 7 in multi spindle station.
3. Add studs (1) at locations 6, 1 & 7 after multi spindle station. 
12  9L-8925 Bolt 

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