Ducati Diavel Service Manual: Disassembling the water radiator unit
The procedure is the same for both radiators.
Loosen the screws (15), (21) and (25) to remove the air duct (24) from the right radiator (13).
Undo the screws (12) and (14) to remove the half-fairing (23) from the radiator.
Radiator inspection
Visually inspect the oil cooler. If it shows signs of damage or leaks, the radiator must be renewed.
Check also that the air flow through the radiator core is not obstructed by leaves, insects, mud, etc.
Important
Excessive cooling temperatures can be caused by a partial obstruction of the radiator core. Carefully check the condition of the radiator core.
Removing the water radiators
Loosen the screws (p) that retain the supports (s) of the front splashguard
to the air ducts (24) and (26).
Loosen the screws (30), to separate the two internal air ducts (24) and (26). ...
Renewal of the cooling fan
Loosen the electro-fan retaining screws (15) and (17) and remove the
electro-fan (18) from the radiator.
Carry out the same procedure for the other radiator's electro-fan.
On refitting, positi ...
Other materials:
Removing the valves
Raise the rocker arm (3) and remove the opening shim (5) from the valves with
a pair of pliers.
Push down the closing rocker arms (16) and (4) and the closing shim (7).
Remove the half rings (6) from the valves with a magnetic screwdriver. Extract
the closing shims (7) from the valve ...
Refitting the cooling system hoses and unions
Position the pump/radiator sleeve (22) and the radiator/radiator sleeve (23).
Fit sleeve (23) and sleeve (22) to their corresponding fittings (n) and (o), and
bring them fully home on collars (p).
Note
Sleeves (23) and (22) must be oriented so that the grooves (q) match the
tabs (r) on fitt ...
Recharging the battery
Examine the label on the battery showing the check intervals in order to
determine when to test the voltage.
Charge the battery if the open circuit voltage is lower than 12.8 V. Leaving
the battery discharged for more than one
month could damage it. Check the battery charge with a voltmete ...