C280-08 Tier 4 Engine Caterpillar

Removal Procedure

1. Turn off the diesel exhaust fluid supply to the dosing cabinet.

2. Turn off the power supply to the dosing cabinet.

3. Wait 30 seconds, then turn off the air supply to the dosing cabinet.
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   Illustration 1	g03498659

4. Remove panel (1).
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   Illustration 2	g03500757

5. Disconnect harness assembly (2).

6. Remove pressure sensor (3).
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   Illustration 3	g03499238

7. Remove O-ring seal (4).

Installation Procedure

1. Install pressure sensor (3) in the reverse order of removal.

   1. Tighten pressure sensor (3) to a torque of 10 ± 2 N·m (89 ± 18 lb in).