Kohler KD 441 — Rocker arm cover breather system
Maintenance · Crankcase breather
For the Kohler KD 441, from the Kohler service manual.
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Before you start
- Always check that spring 3 and valve 2 are in good condition.
- Make sure that oil plug 5 is correctly closed.
Procedure
- Check that diaphragm 2 is intact.
- Wash with Diesel oil and blow through the small mesh element 4 with compressed air.
- When reassembling fix box 3 with Loctite Form-a-gasket No. 6 and screw plate 5.
- To assemble decompression lever 7, insert spring 6 on the lever pin with the spring clip inserted in hole 8.
Tools required
- Compressed air Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.