C7.1 Industrial Engine Throttle Valve (Intake Air) - Install Caterpillar

Installation Procedure

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Illustration 1	g02162080

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Illustration 2	g02162079

1. Ensure that throttle valve (7) assembly is clean and free from wear and damage. If necessary, replace the throttle valve assembly.

2. If necessary, install stud (11). Tighten the stud to a torque of 11 N·m (97 lb in).

3. Position a new gasket (14) onto inlet air control. Ensure that gasket serrations are correctly located onto locating Pins (A) on the inlet air control.

4. Position a new gasket (13) throttle valve (7) assembly . Ensure that gasket serrations are correctly located onto locating Pins (B) on the throttle valve assembly.

5. Install throttle valve (7) onto inlet air control.

6. Install inlet connection (10) onto throttle valve (7) assembly.

7. Install nut (12) and bolts (15). Tighten the nut and the bolts to a torque of 18 N·m (159 lb in).
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   Illustration 3	g02361636

8. Position new sealing washers (1) (not shown) onto banjo connection for tube assembly (3) and install banjo bolt (2) to tube assembly (3).

9. Install bolt (4) to clip for tube assembly (3).

10. Tighten bolts (4) to a torque of 18 N·m (159 lb in).

11. Tighten banjo bolt (2) to a torque of 15 N·m (133 lb in).

12. Connect harness assembly (5) to throttle valve assembly (7). Slide locking tab (6) into the locked position.

13. Slide connection for the harness assembly (9) for wastegate solenoid onto the bracket. Connect harness assembly (9) for wastegate solenoid. Slide locking tab for harness assembly (9) into the locked position.

14. Install new cable straps (8) to harness assembly (5).

    Note: Ensure that cable straps meet the Original Equipment Manufacturers (OEM) specification.

15. Connect hose assembly to inlet connection (10) and tighten the hose clamps to a torque of 6 N·m (53 lb in).

16. Turn the battery disconnect switch to the ON position.