Deutz — Toothed belt adjustment and camshaft basic setting
Adjustments · Toothed belt drive
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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Procedure
- Position toothed belt so as to ensure a uniform distance from front cover of 8 - 9 mm.
- Fit device for measuring toothed belt tension.
- Preload toothed belt. Turn idler pulley in anti-clockwise direction to obtain a scale reading of 3.0 - 3.5.
- Tighten idler pulley bolt with 45 Nm.
- Retain centering washer. Tighten central bolt with 30 Nm preload.
- Mark camshaft bolt and centering washer and tighten in accordance with specifications.
- Remove adjusting pin for camshaft and crankshaft. Make four complete crankshaft rotations in direction of engine rotation.
- Fit toothed belt tension measuring device and measure tension; nominal value scale reading 6.5 - 9.5.
- Check valve timing with camshaft and crankshaft adjusting pins.
Tools required
- Device for measuring toothed belt tension 100720 Amazon
- Adjusting pin 100700 Amazon
- Adjusting pin 100710 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Distance 8 - 9 mm
- Scale reading 3.0 - 3.5
- Idler pulley bolt 45 Nm
- Central bolt 30 Nm preload
- Nominal scale reading 6.5 - 9.5
- Reused belt >200 h: adjust tension to scale reading 3-5
- Central bolt 40 Nm direction of engine rotation
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.