Deutz — Cylinder head repair
Repair & overhaul
From a Deutz service manual covering: F2L 1011, F3L 1011, F4L 1011. Check it applies to your exact model before use.
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Before you start
- Before assembly of valve stem seal, valve splines must be covered by the protective sleeve or masking tape.
Procedure
- Mount cylinder head on fixture.
- Remove valve collet, valve spring cap, valve springs and valves.
- Remove valve stem seal.
- Clean cylinder head and check for damage.
- Gauge valve stem clearance.
- Carry out visual check on valves and valve seat inserts; inspect for degree of wear.
- If valve seat inserts or valve guides are worn out, have cylinder head repaired in service centers.
- Gauge length of valve spring.
- Correct seat width and relief using valve reseating tool.
- Push protective sleeve onto valve stem, push valve stem seal onto protective sleeve, remove sleeve, press in valve stem seal as far as it will go.
- Assemble cylinder head complete with valve springs, valve spring cap and valve collet.
Tools required
- Magnetic measuring stand Amazon
- Valve spring assembly lever Amazon
- Valve reseating tool Amazon
- Clamping stand 120900 Amazon
- Clamping plate 120910 Amazon
- Sleeve for fitting valve stem seal 121410 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Measure valve distance again after reworking valve seat inserts
Source: Deutz 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.