Removing and Cleaning Cab Fresh Air Filter

N75672-UN-13APR07

Left-Hand Duct Removed For Photo Clarity

N75670-UN-23APR07

A - Quick-Release Lever

B - No.2 Duct

C - Knob

D - Cover

Recommended Service Interval
Clean Fresh Air Filter and Precleaner (Normal Conditions)	Every 50 Hours
Clean Fresh Air Filter and Precleaner (Dusty Conditions)	Daily

1. Pull quick-release lever (A) on duct (B) next to left-hand side of cab.

2. Lift duct to clear platform floor, swing duct and rest it on platform.

3. Loosen knob (C), remove cover (D), and dump attached dirt tray.

4. 
   N58512-UN-10OCT01

   
   N80492-UN-23APR08

   A - Wing Nut

   B - Fresh Air Filter

   C - Precleaner

   Remove wing nut (A) and pull out fresh air filter (B).

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5. IMPORTANT: Do not attempt to remove precleaner (C).

   Remove debris from precleaner (C) using vacuum.

6. Clean or replace fresh air filter as necessary.

7. IMPORTANT: Do not overtighten knob.

   Install cover and tighten knob.