Kohler — Service Low-Profile/Commercial Mower Air Cleaner
Maintenance · Air Cleaner/Intake
From a Kohler service manual covering: CV17, CV18, CV20, CV22, CV23, CV25, CV620, CV621, CV630, CV640, CV641, CV670…. Check it applies to your exact model before use.
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Before you start
- Operating engine with loose or damaged air cleaner components could cause premature wear and failure.
- Paper element cannot be blown out with compressed air.
Procedure
- Loosen knob and remove air cleaner cover.
- Precleaner: remove from paper element; replace or wash in warm water with detergent; rinse and air dry.
- Saturate precleaner with new engine oil; squeeze out excess oil.
- Paper Element: clean area around element; remove wing nut, element cover, and paper element with precleaner.
- Separate precleaner from element; service precleaner and replace paper element.
- Check condition of rubber seal and replace if necessary.
- Install new paper element on base; install precleaner over element; reinstall element cover and secure with wing nut.
- Reinstall air cleaner cover and secure with knob.
Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.