Technical data

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.

ti22483a