Ducati Diavel
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Ducati Diavel Service Manual: Refitting the water pump

Clean the seat on the cover, any parts you intend to reuse, and the impeller shaft. Then refit as follows.

Fit on the impeller (10) shaft the mechanical seal (9) as indicated in the figure.

Apply specified lubricant to facilitate the insertion.

Bring the mechanical seal fully home on the impeller.

Refitting the water pump


Grease the seat (a) of the bearings for the impeller on the generator cover (12).

Insert spacer (7) fully home into the generator cover by orienting it so that the round edge is faced down.

Fit bearing (6) completely into the spacer.

Fit bearing (5) completely on the bearing (6).

Refitting the water pump


Fit the washers (2) on the screws (1).

Orient the washers so that the knurled side is faced to the screw head.

Apply recommended threadlocker to the screws.

Fit the two screws (1) and tighten them to a torque of 10 nm (min. 9 Nm - max. 11 Nm) (sect. 3 - 3, Engine torque Settings).

Refitting the water pump


Turn the cover upside down.

Introduce the counterface (8) completely into the generator cover.

The counterface must be oriented so that the white side is faced upwards.

Apply specified lubricant to facilitate the counterface insertion.

Clean the counterface from exceeding lubricant.

Install the water pump impeller (10) and bring completely against the counterface.

Refitting the water pump


Use the special tools to install the snap ring (3) into the proper groove (b), on the impeller (10) shaft, as shown in figure.

Refitting the water pump


If previously removed, apply specified threadlocker on the threads of the water pump delivery unions (4).

Fit the unions on the water pump cover (12) and tighten them to a torque of 25 nm (min. 23 Nm - max. 27 Nm) (sect. 3 - 3, Engine torque settings).

Apply recommended threadlocker on the thread of the water pump intake union (18).

Fit the union on the water pump cover (12) and tighten it to a torque of 25 nm (min. 23 Nm - max. 27 Nm) (sect. 3 - 3, Engine torque settings).

Refitting the water pump


If previously removed, insert washer (14) into the plug of the water pump cover (15).

Fit the plug on the water pump cover (12) and tighten it to a torque of 20 nm (min. 18 Nm - max. 22 Nm) (sect. 3 - 3, Engine torque settings).

Refitting the water pump


Clean the mating surfaces thoroughly on the pump cover and on the alternator-side crankcase cover.

If previously removed, install the two centring bushes (11) completely into the generator cover.

Apply a bead of fluid gasket on the generator cover (16).

Refitting the water pump


Insert the fixing screws (13) and (18) of the cover.

Tighten the screws (13) to a torque of 10 nm (min. 9 Nm - max. 11 Nm) (sect. 3 - 3, Engine torque settings).

Tighten the screws (13) to a torque of 13.5 Nm (min. 12.5 Nm - max. 14.5 Nm) (sect. 3 - 3, Engine torque settings) following the indicated sequence.

Refit the components removed in the procedure.

Refitting the water pump


Refitting the water pumpRefitting the water pump


Removal of the water pump
Note For clarity, the figures show the engine removed from the frame. Loosen and remove the water pump cover (12) fixing screws (13) to the generator cover (16). Remove the water pump cover ...

Cylinder head assemblies
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