Checking Air Filter Restriction Indicator

1. Park machine safely. (See Parking Safely in the Safety section.)

2. Open the hood.

3. NOTE: Indicator will not function correctly if plastic indicator housing is damaged.

   
   TCAL43796-UN-21MAR13

   Check air restriction indicator (A).
   • When the indicator window (B) is yellow, no air cleaner service is required.
   • When the indicator window is red, air cleaner element needs replacement.
   • Vacuum scale (C) on indicator shows how restricted the air cleaner elements are becoming.
   
   

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4. Depress the rubber button (D) on top of the housing to reset indicator.

5. Close the hood.