Ducati Diavel Service Manual: Separation of the crankcase halves
Use two screwdrivers to remove the circlip (29) from the timing belt driveshaft shaft (30) on the clutch-side crankcase half.
Note
Take care to avoid scoring the surface of the shaft while removing the circlip.
Unscrew the crankcase half screws on the chain side.
Unscrew the two screws (12) on the clutch side near the vertical cylinder.
Reuse the alternator cover or a service cover with puller 88713.1749 Fitted. Secure cover to crankcase half with some of the original screws and begin separation by turning the central pin of the tool.
Tap the end of the gearbox secondary shaft with a plastic mallet to separate the crankcase halves.
Note
Take care not to lose the shims on the shafts and on the selector drum.
Remove gearbox shafts and gearbox selector drum from the crankcase halves (sect. 9 - 7.2, Removal of the gearbox assembly.
Drive out the crankshaft (l) using a plastic mallet, taking care not to lose the shims.
Remove the timing belt driveshaft (30).
Remove the screws (34), remove the pipes (33) and collect the o-rings (32).
Crankcase halves
Bearing
Bearing holder bushing
Alternator-side crankcase half
Bearing
Circlip
Washer
Bearing
Sealing ring
Bearing
Retaining plate
Screw
Screw
Clutch-side crankcase half
...
Overhaul of the crankcase halves
Carefully examine the engine crankcase halves.
Check that the surfaces of the crankcase halves are perfectly flat using a
reference surface.
Check that the bearings (1) and (18), and the bushing ...
Other materials:
Disassembly of the oil pump
Hold the oil pump (1) in a vice taking care not to damage the drive gear
(12).
Warning
Make sure that vice jaws are faced with soft material.
Remove the plug (14) and extract the spring (16) and by-pass valve (17).
Check the condition of the above components.
Remove the circlip (6) ...
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
alternator. It also contains an electronic device that regulates the current
supplied by the alternator ...
Gear indicator display on dashboard shows dashes, engaged gear not displayed
correctly, idle speed irregular
with gearbox in neutral
Fault codes
Dds: gear sensor diagnosis -> short circuit to ground or open circuit (s.C.
Gnd or c.O.) - Short circuit to vdc (s.C. Vdc)
- congruence (generic error - signal not correct).
Dashboard: the error "gear sensor" is shown on the service display. The eobd
warning light activates.
...