517792A
15
If the meter shows an incorrect reading we would then recommend testing the stator from
underneath the machine as there could be a fault in the wiring harness. To test the stator, both
rotor and stator need to be removed. Refer to Sections 9.16 and 9.17.
Note: Two clamp plates are used to secure the Stator, one on each side. The four bolts are
tightened to a torque of 5Nm. The plastic bolt for securing the Rotor requires a 16mm
socket and should be tightened to 8Nm.
Testing the Stator
After removing the Stator, it can now be tested.
Test points are:
Red / Blue
Red / Yellow
Blue / Yellow
The value should be approx. 32
W
+/- 10%
across any of the two windings.
2.7.2 Rotor
The rotor is also unique to the Phase 7 machines. It has 16 blocks containing 3 individual
magnets, as opposed to 14 blocks, containing 4 magnets for Phase 5, and Phase 6 machines.
The rotors between Phase 7 and previous Phases of machines can physically be interchanged,
however electrically they are
incompatible
.
If a Phase 7 rotor is fitted to a Phase 6 or earlier machine, fault code 240 will occur. Conversely
fault code 240 will also occur if a rotor from a Phase 6 or earlier machine is fitted to a Phase 7
machine.
Apart from the number of magnets the other (and easiest) way to identify the Phase 7 rotor is by
the number of holes. The Phase 7 rotor has larger holes around the outer perimeter and an
additional set of large holes on the inner perimeter.
The photographs below show the difference between a Phase 7, and a Phase 6 Rotor.
Phase 7
Phase 6
32.0
Ω
