Ducati Diavel
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Ducati Diavel Service Manual: Alternator

It is equipped with a 12 v, 430 w generator, consisting of a fixed element (stator, a) located on the generator cover and of a movable element (rotor, b) fixed to the crankshaft.

Alternator


Note

To check the battery charging system for faults, use the dds diagnosis instrument and follow the instructions given in the paragraph, "testing the battery charging system" (sect. 6 - 11).

The absolute value of voltage measured across the terminals of two of the three yellow cables (the measured value will be the same whichever combination of cable is used) must be within the range indicated in the table below.

(Ambient temperature: 35 C - 70 C)

Important

Before testing, disconnect the alternator wiring from the electrical system when the ignition key is set to off.

Alternator


Values significantly lower than those indicated above can be due to:

In the above cases the whole alternator assembly (rotor and stator) should be renewed.

If checks have a favourable outcome, reconnect the alternator to the regulator with ignition key on off. Make sure that no cables are damaged or disconnected.

Removal of the alternator

Removal of the alternator


Disconnect the cables of the alternator-side electric system (sect. 6 -1, Routing of wiring on frame).

Remove the generator cover, the stator (a) and the rotor (b) (sect. 9 - 8, Removal of the generator cover).

Refitting the

Removal of the alternator


Removal of the alternator


Refitting the generator

Fit the rotor (b), the stator (a) and the alternator-side crankcase cover.

Connect the cables of the generator side electric system (refer to the table in chapter "routing of wiring on frame", sect. 6 - 1).

Refitting the generator


Refitting the generator


Refitting the generator


Battery
Battery safety rules Warning Before carrying out any operations on the battery, keep in mind the safety standards (sect. 1 - 3, General safety rules). When under charge, batteries produce explo ...

Rectifier-regulator
The rectifier (1) is placed in the electrical components compartment. The rectifier/regulator consists of an aluminium casing containing the diodes that rectify the current produced by the alter ...

Other materials:

Footrest brackets
Rubber footrest Right front footrest Pin Spring Circlip Right footrest bracket Screw Washer O-ring Bush Rubber pad Right rear footrest Pin Ball Spring Plate Screw Vibration damper mount Special screw Front lh footrest Left footrest bracket Left rear f ...

Fuel pressure test
Note The on-screen icons used during this procedure are explained in a table at the end of this section. Undo the screws (2) and remove the flange cover (1). Remove one of the two pipes of the fuel system (3). Use the fuel pressure pipe (4) part no. 590.1.189.1A by connecting one e ...

Refitting the evaporative emissions canister
To refit, carry out the removal operations in reverse order, making sure to locate the hoses as shown in the figures at the end of the chapter. Positioning the hoses / clamps and canister filter ...

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