C15 and C18 Engines for Caterpillar Built Machines Exhaust Gas Valve (NRS) - Assemble Caterpillar


Exhaust Gas Valve (NRS) - Assemble
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1.1. Assembly Procedure

Assembly Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
Loctite C5A Copper Anti-Seize 
452-6011  Grease 


    Illustration 1g01896079

  1. Lubricate all of the O-ring seals with the lubricant that is being sealed.

  2. Install O-rings (9) and (10) onto spool (5).


    Illustration 2g01845473

  3. Install spool (5) into the actuator housing. Tighten spool (5) to a torque of 50 ± 5 N·m (37 ± 4 lb ft).

  4. Install solenoid (6), washer (7), and nut (8).

  5. Tighten nut (8) to a torque of 20 ± 2.5 N·m (177 ± 22 lb in).


    Illustration 3g01871983

  6. Fill the cavity (B) to the halfway mark with Tooling (B). Cavity (B) is found on the valve housing.


    Illustration 4g01845346

  7. Position actuator assembly (3) on valve housing (4). Install bolts (2).

  8. Install temperature sensor (1). Apply Tooling (A) to the threads on temperature sensor (1). Tighten temperature sensor (1) to a torque of 45 ± 5 N·m (33 ± 4 lb ft).

End By:

  1. Install the Exhaust Gas Valve.

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