Deutz — Toothed belt adjustment
Adjustments · Toothed belt drive
From a Deutz service manual covering: BF4L 1011 T, F2L 1011, F3L 1011, F4L 1011. Check it applies to your exact model before use.
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Procedure
- Position toothed belt to ensure uniform distance from front cover of 8-9 mm.
- Hold crankshaft in stop position while adjusting.
- Fit device for measuring toothed belt tension.
- Preload toothed belt; turn idler pulley anti-clockwise to obtain scale reading 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.
Tools required
- Device for measuring toothed belt tension Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Belt distance from front cover 8-9 mm
- Scale reading 3.0-3.5
- Idler pulley bolt 45 Nm
- Central bolt 30 Nm preload
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.