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The
Ontario Test Unit or OTU. |
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Exhaust
probe on the OTU. |
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Gas
cap testing adaptors on the OTU. |
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The
dynamometer. |
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The
dynamometer control console. |
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The
vehicle to be tested is tied down on the dynamometer and the OTU is
placed adjacent. |
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The
inspector chocks the non drive wheels after the vehicle is placed on the
dynamometer. |
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The
RPM Probe is positioned on the hood to sense the engine RPM. |
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The
RPM Probe readout is checked for stability on the OTU. |
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The
exhaust probe is placed in the exhaust tail pipe. |
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The
correct gas cap testing adaptor is chosen for the vehicle. |
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The
vehicle drive wheels on the dynamometer before testing begins. |
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The
vehicle's systems are pre-conditioned by maintaining 40 km/h until
correct temperatures are reached. |
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The
dynamometer spinning at approximately 40 km/h during the
pre-conditioning process. |
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The
inspector uses a remote control to operate the OTU during the test. |
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The
inspector operates the OTU from behind the wheel of the vehicle. |
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Ray
Wolting, one of the certified inspectors at ATW Automotive. |
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The
accreditation badge |
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The
OTU reports that testing is complete on the vehicle. |
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The
OTU communicates with the province's central computer after testing is
completed. |
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The
OTU reports that communications have been completed successfully. |
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The
vehicle's emissions inspector report is printed at the end of the test. |
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PASSED!
The inspector signs the vehicle's emissions inspector report. |
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