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SMB-189
SERVICE MANUAL BULLETIN
SMB-189
The New Flyer vehicles described in this manual may be protected by one or more
patents and design applications or registrations in the United States and Canada,
and in other countries. Refer to “Vehicle Patent Information” in this manual.
Copyright © 2019 New Flyer Industries Canada ULC
6. Ensure there is no voltage on the High
Voltage System. Measure in the roof-
mounted high voltage fuse box as follows:
a. Measure from the positive bus bar to
the negative bus bar.
See “Fig. 3: High
Voltage Verification - 1” on page 4.
b. Measure from the positive bus bar to
the grounded enclosure or roof rack
structure.
See “Fig. 4: High Voltage Ver-
ification - 2” on page 5.
c. Measure from the ground bar to the
grounded enclosure or roof rack struc-
ture.
See “Fig. 5: High Voltage Verifica-
tion - 3” on page 5.
Fig. 3: High Voltage Verification - 1
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