AIRLESSCO MP400 - Manual (Page 19)

Maintenance
332882A 19
Replacement of Electrical
Components
NOTE: Anytime the pressure control assembly, sensor,
or both are replaced, perform the calibrations.
Pressure Control Assembly (Electrical
Control Board)
1. Unplug machine’s power cord.
2. Remove two screws from terminal box.
3. Disconnect all leads from pressure control assem-
bly.
4. Reassemble in reverse order.
NOTE: Ensure ground lead (A) is connected to control
board mounting screw nearest to On-Off Toggle Switch
(B).
On-Off Toggle Switch
1. Lower the pressure control assembly as described
above.
2. Disconnect the two wires on the toggle switch.
3. Use a 9/16” wrench to loosen the nut on the toggle
switch shaft.
4. Reassemble in reverse order.
To avoid electric shock, always unplug the electrical
cord before servicing the machine.
NOTICE
Unit will not operate if wires are disconnected or
pinched. Upon reassembly, ensure all wires are
connected and not pinched.
NOTICE
Unit will not operate if wires are disconnected or
pinched. Upon reassembly, ensure all wires are
connected and not pinched.
B
A
ti22483a