Clarke MA50 15B, Service Manual

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Control System
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Service Manual – MA50 15B
Control System
Functional Description
The CLARKE MA50 15B has (1) Control PCB for the vacuum and brush circuits, and for the on-board charger
interlock system. .The Control PCB gets input from the batteries, the on-board charger, and the switch PCB.
Outputs from the Control PCB are to the vacuum and brush motors, the solution valve, the on-board charger, and
the indicator LED’s on the switch panel.
The solution flow is controlled by a manually adjusted valve.
The Vacuum motor and Brush motor are each protected by a circuit breaker.
Component Locations
•
System Switches
• Triggers and Trigger switch
•
Solution Control Valve
•
Solution Solenoid
• Circuit breakers
•
On-Board Charger Plug socket and LED display lights
•
On-Board Charger and Control PCB
Power Switch
Brush Switch Vacuum Switch Solution Switch