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Advice on technical changes to propeller shafts in drive trains as a result of vehicle conversions
Changes to vehicles which my have an effect on the drive train include, among others:
- Changes to the wheelbase
- Later fitting of retarders
- Replacement of gearbox or differential
- Later fitting of ancilliary drives
The following advice must be followed on all accounts:
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Observe safety advice on taking out and replacing the cardan shaft (see Installation/Dismantling of cardan shafts). |
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All technical changes to our propeller shafts (e.g. extending length, shortening,
flange changes etc.) are to be carried out exclusively by our Service Organisation
). (Subsequent straightening and balancing will be necessary) |
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Length changes to propeller shafts require changes in the working angle in the as-fitted state. For general guidelines and limit values (see Installation conditions ). |
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When extending the length of a propeller shaft attention must be paid to guard against critical bending speeds being reached. In some cases an additional propeller shaft with a centre bearing may be required. |
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Engine, gearbox, distribution box, differential and primary retarder must be tested on and brought to the same fitted plane of inclination in order to avoid unequal working angles within the individual propeller shafts. |
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On re-installation of propeller shafts the length compensation (splined shaft connection)
must on all accounts be lined up correctly (with arrows pointing
 ).
(see Installation/Dismantling of cardan shafts) |
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On re-tightening the bolt on the flange connection attention must be paid to the maintenance
of the correct bolt starting torque. A torque wrench will be necessary.
(see Flange boltings ) |
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Should any questions or technical problems arise complete the "Technical Questionnaire" and send it, along with the installation plan and any supplementary details on the existing cardan shafts, and on any which are to be re-conditioned, to the given DANA  e-mail address.
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