Replacement Of Electrical Components - AIRLESSCO LP 2400 Operation Manual And Parts List

REPLACEMENT OF ELECTRICAL COMPONENTS

NOTE: Anytime the pressure control assembly, sensor or both are replaced, perform the three calibrations on page 18.
WARNING: Always unplug the electrical cord before servicing machine.
PRESSURE CONTROL ASSEMBLY (Electrical Control Board)
1. Unplug machine's power cord.
2. Remove four screws (Item 24, Fig. 17) from pressure control assembly.
3. Disconnect all leads from pressure control assembly. (Fig. 10).
4. Reassemble in reverse order.
SENSOR
1. Remove the screws (Fig. 17, Item 24) and lower the pressure control assembly.
2. Disconnect swivel (Item 17, Fig. 17) from sensor (Item 16, Fig. 17) by holding sensor with 7/8" wrench and
loosening swivel with 11/16" wrench.
3. Disconnect sensor lead from the board. Carefully pull sensor lead out of the terminal box and remove sensor.
4. Reassemble in reverse order.
POTENTIOMETER (Pressure Control Knob)
1. Lower pressure control assembly as described above.
2. Disconnect potentiometer lead from pressure control assembly.
3. Use a 1/16" allen wrench, loosen set screw in the potentiometer knob (Item 13, Fig. 10) and remove knob and
spacer. (Item 12, Fig. 10).
4. Using a 1/2" wrench or deep socket, remove the nut from the potentiometer shaft assembly.
5. Pull entire potentiometer assembly out of terminal box.
6. Replace in reverse order.
ON-OFF TOGGLE SWITCH
1. Lower the pressure control assembly as described above.
2. Disconnect the two wires on the switch.
3. Use a 9/16" wrench to loosen the nut on the toggle switch shaft.
4. Reassemble in reverse order.
FUSE HOLDER
1. Lower pressure control assembly as described above.
2. Disconnect the two wires on the switch.
3. Use a 9/16" wrench to loosen the nut on the toggle switch shaft.
4. Reassemble in reverse order.
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