C11 and C13 Engines Exhaust Manifold Caterpillar


Exhaust Manifold
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C11 and C13 Engines [SENR9887]
AIR INLET AND EXHAUST SYSTEM
MANIFOLD GP-EXHAUST
C11 and C13 Engines Exhaust Manifold
C11 and C13 Engines Exhaust Manifold


Illustration 1g03540436


Illustration 2g03540437
Tightening sequence

Table 1
Specification for 380-8509 Exhaust Manifold Gp 
Item  Qty  Part  Specification Description 
12  116-3715 Taperlock Stud  Torque to 35 ± 5 N·m (26 ± 4 lb ft)
12  9X-6620 Locknut  Before assembly, apply Loctite C5A copper anti-seize to the threads and bearing surfaces.
Use the following procedure to tighten the locknuts:
Tighten the locknuts in the numerical sequence that is shown in Illustration 2 to 20 ± 3 N·m (177 ± 27 lb in).
Again, tighten the locknuts in the numerical sequence that is shown in Illustration 2 to 50 ± 5 N·m (37 ± 4 lb ft)
245-9750 Taperlock Stud  Torque to 35 ± 5 N·m (26 ± 4 lb ft)