HTC Z4619 User Manual
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maintenance

Replacing the Air Filter

If the engine seems weak or runs unevenly, the air filter may be clogged. If the machine is run with a dirty air filter, the spark plug can become fouled. It is important to replace the air filter regularly (see

"Maintenance Schedule" for proper service intervals).

Kohler Engine

The standard engine is not equipped with a prefilter. As an option, a prefilter can be installed on the inside of the air filter cover.

1.Loosen the two retaining knobs and remove the cover. If the engine has a prefilter, it is mounted on the inside of the cover.

2.Clean the area around the filter element to prevent debris from getting into the engine when the element is removed.

3.Remove the filter element. Replace a dirty, bent or damaged element with a new one. Handle the new element carefully and do not use if the sealing surfaces are bent or

damaged. If the element can be reused, tap it against a solid surface to remove dust.

4.Check the air cleaner base. Make sure it is secured and not bent or damaged. Also check the air filter cover for damage or improper fit.

Replace all damaged air cleaner components.

5.Install the filter element. Check that it fits properly and that no air leaks occur.

6.Install the cover and tighten knobs by hand.

IMPORTANT INFORMATION

Operating the engine with loose or damaged air cleaner components could allow unfiltered air into the engine causing premature wear and failure.

IMPORTANT INFORMATION

Do not use compressed air to clean the air filter.

Filter should be assembled dry and not be oiled.

8011-736

Air filter cover

8011-737

Air filter cover

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maintenance

Briggs & Stratton Engine

1.Pull up the handle on the air filter cover.

Unhook and turn towards the engine to remove.

2.Clean the area around the filter element to

prevent debris from getting into the engine when the element is removed.

3.Lift out the filter element. Replace a dirty, bent or damaged element with a new one. Handle the new element carefully and do not use if the sealing surfaces are bent or damaged. If the element can be reused, tap it against a solid surface to remove dust.

IMPORTANT INFORMATION

Do not use compressed air to clean the air filter.

Filter should be assembled dry and not be oiled. .

4.Carefully lift out the precleaner from the fan housing. Clean the fan housing so debris does not fall into the carburetor.

5.Install a new precleaner and the new or cleaned air filter element into the fan housing.

IMPORTANT INFORMATION

Operating the engine with loose or damaged air cleaner components could allow unfiltered air into the engine causing premature wear and failure.

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8009-406

Pull up on handle

8009-409

Remove air filter element

8009-408

Remove precleaner

maintenance

6.Align the tabs on the cover with the slots in the housing and replace air filter cover.

7.Pull the handle outwards. Secure the handle in the air filter cover and press inwards to close.

8009-407

Align the tabs

8009-410

Close the cover

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