Clarke MA50 15B, Service Manual

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Solution System
75
Service Manual – MA50 15B
10. Remove the (4) Phillips screws that hold the PCB to the metal case. NOTE: There are nylon washers on the
top and bottom of the PCB. Do not lose these washers
11. When re-installing the control PCB, use a dab of grease to hold the nylon washers in place on the mounting
studs. It is very important to use these nylon washers to prevent a short circuit
12. Re-mount the control PCB to the case using the (4) screws and nylon washers. Again, it is very important to
use the nylon washers to prevent a short circuit
13. Re-attach the wires and connectors to the control PCB. Connect the motor wires from left to right, in the
following manner;
•
Vacuum motor - BLACK wire 2
•
Vacuum motor - RED wire 2
• Brush motor - RED wire 1
• Brush motor - BLACK wire 1
14.
Re-assemble the handle in the reverse order as described above