Scrub System, Cylindrical 121Service Manual – SC6500
™
Specifications
Component Specifications
Scrub Brush Motor
Voltage – 36 VDC
Power – 1100 Watt
Speed – 2200 RPM
Current – 30 Amps
UP Rating – 55
Deck Actuator Motor
Type – permanent magnet, 36 VDC, 1/5 HP, reversible
Motor-to-drive-screw ratio – 19.1:1
Performance Data
No Load – Thrust 0 lbs., Speed 36 ±4 in/min, 1.0 ±0.5 Amps
Full Load – Thrust 600 lbs., Speed 29 ±3 in/min, 5.0 ±1 Amps
Stall Current – 25 Amps max.
Start Thrust – 600 lbs. min.
Shop Measurements
Shop measurements are values that were measured on a real machine. While they are not “specications”,
they can help you recognize normal vs abnormal.
Brush Contactor (K2, K3 or K4)
Resistance at room temperature: 93 ohms
Scrub Brush Motor
• 40C and 1100C deck with no load (brushes out): Not measured
• 45C deck with no load (brushes out): 6.1-6 Amps
• 45C deck working on dry epoxy oor: 25-45 Amps
• 48C 1300C deck not measured
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