2
34
engi
n
e dis
a
s
sem
bl
y
2
3
5
6
4
1
1
2
5
4
3
2.5.1 OIL PUMPS CONTROL GEARS
The two oil pumps are controlled by a gear unit
driven by the clutch gear.
In detail, gear
1
meshes with the clutch case, and
2
is the oil pump control gear.
To dismount gear
1
, remove circlip
3
and thrust
washers
4
(one below the gear).
To disassemble gear
2
, simply remove the Benzing
ring
5
.
2.5.2 HIGH-PRESSURE OIL PUMP
The high-pressure pump, located in the external
right-hand side crankcase, is enclosed under the
cover
1
which can be disassembled by removing
the roller
2
and the three screws
3
.
Having removed the cover, extract the internal rotor
4
, the external rotor
5
and the roller
6
.
Gear unit for oil pump control.
1) Gear meshing with clutch gear;
2) Idler wheel
3) Oil pumps control gear;
4) Circlip;
5) Thrust washer;
6) Benzing ring
High-pressure pump. 4) Internal rotor; 5) External ro-
tor; 6) Roller.
Disassembly of high-pressure pump cover.