Deutz — Turbocharger assembly
Repair & overhaul
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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Before you start
- Avoid tilting when positioning housings.
- Check piston rings are properly seated when heat shield and bearing housing turn freely.
Procedure
- Ensure absolute cleanliness.
- Oil following bearing parts before fitting: bearing seat of shaft, bearings, thrust bearing, flinger sleeve, oil deflector ring, thrust ring, piston rings, spacer sleeve.
- Fit bearings and snap rings in bearing housing.
- Clamp shaft and turbine wheel assembly in vice jaw plates.
- Fit one/two piston rings to shaft and turbine wheel assembly; position slots 180° apart.
- Place heat shield concentrically on shaft and turbine wheel assembly.
- Guide bearing housing carefully onto rotor shaft.
- Guide thrust ring and spacer sleeve onto rotor shaft.
- Place thrust bearing in bearing housing.
- Place new oil deflector plate on thrust bearing.
- Guide oil deflector ring onto rotor shaft with large collar at top if used.
- Fit one/two piston rings onto flinger sleeve; position slots 180° apart.
- Insert flinger sleeve complete with piston rings into backplate.
- Seal backplate to bearing housing with LOCTITE 573; fit O-ring if used.
- Fix backplate to bearing housing using screws and washers; secure with LOCTITE 640.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Max heating temperature 130°C
- Shaft nut tightening torque and angle setting per Data Sheet
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.