Servicing Air Filter Elements

CAUTION: Avoid injury! Touching hot surfaces can burn skin. The engine, components, and fluids will be hot if the engine has been running. Allow the engine to cool before servicing or working near the engine and components.

IMPORTANT: Avoid damage! Dirt and debris can enter the engine through a damaged filter element:

NOTE: All air filter assemblies are similar.


Servicing Primary Air Filter Element

  1. LV19353
    LV19353-UN-11OCT13

    4049 Engine

    LV19349
    LV19349-UN-11OCT13

    4066 Engine

    A - Hold-Down Strap

    B - Latches

    C - Air Filter Canister Cover

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



  2. Allow engine to cool.

  3. Raise hood.

  4. Remove hold-down strap (A).

  5. Tilt canister up, release latches (B), and remove air filter canister cover (C).

  6. LV19354
    LV19354-UN-11OCT13

    4049 Primary Filter

    LV19350
    LV19350-UN-11OCT13

    4066 Engine primary Filter

    D - Primary Filter Element

    Remove and discard primary filter element (D). Clean out any dirt in canister, taking care not to damage secondary filter element. Replace with a new primary filter element.



  7. Install air filter canister cover with rubber dust unloading valve pointing downward.

  8. Secure latches.

  9. Position canister back in place and install hold-down strap.

  10. Check instructions molded into canister cover for proper installation.

  11. Lower hood.


Servicing Secondary Air Filter Element

LV19355
LV19355-UN-11OCT13

4049 Engine Secondary Filter Element

LV19351
LV19351-UN-11OCT13

4066 Engine Secondary Filter Element

E - Secondary Filter Element

IMPORTANT: Avoid damage! Secondary filter element does not need routine replacement. Visually inspect it without removing from canister. Do not attempt to clean secondary element. If secondary element is replaced, install new primary and secondary filter elements immediately to prevent dust from entering air intake system.

  1. Remove air filter canister cover.

  2. Remove and discard primary filter element.

  3. Remove and discard secondary filter element (E). Replace with a new secondary filter element.

  4. Install new primary filter element.

  5. Replace air filter canister cover.

  6. Position canister back in place and install hold down strap.

  7. Lower hood.

KN52281,1004889-19-20131015