14L Motor Grader Caterpillar

Removal Procedure

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Illustration 1	g03515117

1. Disconnect harness assemblies (4).

2. Remove tube assemblies (1) and (3).

3. Remove pressure sensor assembly (2).
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   Illustration 2	g03515120

4. Remove bracket (8). Remove catalytic converter pressure sensor (5) and the O-ring seals.

5. Remove DPF pressure sensor (6) and the O-ring seal.

6. Remove adapters (11), plugs (9), and the O-ring seals.

7. Remove manifold (10) from plate (7).

Installation Procedure

1. Install sensor assembly (2) in the reverse order of removal.

   Note: Do not pre-tighten the sensor using the plastic portion of the sensor. Pre-tighten the sensor using the metal hex portion of the sensor. Damage can occur to the sensor if pre-tightened using the plastic portion of the sensor.

   1. Tighten DPF pressure sensor (6) to a torque of 10 ± 2 N·m (89 ± 18 lb in).