Every 50 Hours of Operation

1. Clear service reminder message screen on armrest display unit. (See SERVICE REMINDER SCREEN in CommandCenter™ Display Screens section.)

2. CAUTION: Row units are heavy and if they fall, serious injury or death to you or others can result. Place safety stops over unit lift cylinder rods when working under units.

   
   N42176KI-UN-15AUG97

   Located On Bottom of Row Unit

   A - Lube Fitting

   Lubricate doffer column bearings through fitting (A) until grease comes out of lower doffer housing.

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3. IMPORTANT: Premature wear of pivot joints can occur if not properly lubricated. Remove weight from pivot joints to allow lubricant to distribute thoroughly and avoid premature wear.

   
   N75316-UN-05MAR07

   
   N80532-UN-17APR08

   
   N75381-UN-04APR07

   A - Lube Fitting

   B - Lube Fitting

   C - Lube Fitting

   Lower row units onto suitable blocks to remove weight from pivot joints.

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4. Lubricate fitting (A) on rod end of each unit lift cylinder.

5. Lubricate fitting (B) on each unit lift pivot.

6. Lubricate fitting (C) on each unit turnbuckle.

7. 
   N96621-UN-23JAN12

   A - Fuel Strainer

   Inspect fuel strainer (A) for visible buildup on filter screen. Remove strainer and clean if necessary. (See REMOVING AND CLEANING FUEL STRAINER in Engine and Drive Train section.)

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8. NOTE: If operating in dusty conditions, fresh air filter should be cleaned daily.

   
   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

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

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

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

11. 
    N58512-UN-10OCT01

    
    N80492-UN-23APR08

    A - Wing Nut

    B - Fresh Air Filter

    C - Pre-cleaner

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

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12. IMPORTANT: Do not remove pre-cleaner (C).

    Remove debris from pre-cleaner (C) using vacuum.

13. Clean or replace fresh air filter as necessary. (See CLEANING CAB FILTERS in Cab and Air Conditioning section for instructions to clean filter.)

14. IMPORTANT: Do not overtighten knob.

    Install cover and tighten knob.

15. 
    N75601-UN-28MAR07

    A - Cab Air Inlet Panel

    Remove and clean cab roof air inlet panel (A). (See REMOVING AND CLEANING ROOF AIR INLET PANEL in Cab and Air Conditioning section for instructions.)

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16. 
    N84324-UN-16APR09

    A - Lube Fitting (1 per side)

    Lubricate fitting (A) on upper link turnbuckle on both sides of machine.

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17. 
    N84351-UN-16APR09

    A - Lube Fitting (1 per side)

    Lubricate fitting (A) on rockshaft pivot on both sides of machine.

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