43Service Manual – SC6000 04 - Control System
Power Module Heavy Current Lugs
Measured Value/Condition
B+ lug to B- lug 36.5V (with Vacuum motor on 100%)
B+ lug to Battery Positive 0.031V (with Vacuum motor on 100%)
B- lug to Battery Negative 0.017V (with Vacuum motor on 100%)
M1 to Battery Negative 36.9V off
0.019 on at 100%
M2 to Battery Negative 36.9V off
0.018 on at 100%
M3 to Battery Negative 36.9V off
9.5V on at 76%
M4 to Battery Negative 36.7V off
0.081 on at 100%
M5 to Battery Negative Not present, assume same as M4
Motor Amp Draw measurements
All motor amp draw measurements were done with no load (free running) using the Service/Output Test
function and reading the amperage reported on the control panel display.
Motor Amperage (On Display)
M1 Brush Motor (Cylindrical) 4.0A at 100%
M1 Brush Motor (Disc) 2.6-3.0A at 100%
M2 Brush Motor (Cylindrical) 4.0A at 100%
M2 Brush Motor (Disc) 2.6-3.0A at 100%
M3 Side Broom Motor 1.6A at 76%
M4 Vacuum Motor 18.1A at 100%
M5 Vacuum Motor (Optional) Not measured
M6 Squeegee Actuator Motor Up: 4.1A initial, then 2.6A
Down: 0.9-1.2A
M7 Deck Actuator Motor Up: 4.1A initial, then 2.6A
Down: 0.9-1.2A
M10 Dust Guard Pump Motor 0.4-0.7A
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