RZT-S Zero
68
2. Remove the left pod by following the procedures
described in Chapter 2: Body.
3. Disconnect the 12 pin harness connector from the
contactor assembly.
4. Disconnect the negative battery pack cable from the
master ground bus.
See Figure 5.21.
5. Label each of the motor harness connectors as to
which motor they belong to.
6. Discharge the pre-charge capacitors.
NOTE: Do not use a high impedance test light for
this procedure. There is a very high likeli
-
hood that the capacitor’s charge will damage
it.
6a. Remove the controller cover.
6b. Attach an incandescent test light to the nega-
tive (black) wire attached to the controller.
See Figure 5.22.
6c. Touch the probe of the test light to the positive
(red) wire connection on the controller.
NOTE: The test light will light up very brightly, then
quickly dim out. Hold the test light probe in
place until the light goes out.
6d. Repeat on all of the controllers.
Figure 5.21
Master ground bus
The battery pack’s negative lead is
still hot. Take measures, such as
taping up the cable lug with electri-
cal tape, to prevent the cable end from making
contact with any metal surface on the mower
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