REPLACEMENT OF ELECTRICAL COMPONENTS
PRESSURE CONTROL ASSEMBLY (Electrical Control Board)
1.
Unplug machine's power cord.
2.
Remove eight screws (Fig. 13, Item 33 ) and lower the pressure control assembly.
3.
Disconnect all leads from pressure control assembly.
4.
Reassemble in reverse order.
SENSOR
1.
Remove the screws (Fig. 13, Item 33 ) and lower the pressure control assembly.
2.
Disconnect sensor lead from the board.
3.
Unscrew sensor (Fig. 17 Item 11 ) from pressure control assembly using a 7/8" wrench.
4.
Reassemble in reverse order. Use telfon tape on the sensor threads prior to reinstalling it into the
pressure control assembly.
POTENTIOMETER
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 (Fig. 17, Item 14 ) and
remove knob and spacer. (Fig. 17, Item 13 ).
4.
Using a 1/2" wrench or deep socket, remove the nut from the potentiometer shaft assembly.
5.
Pull entire potentiometer assembly out of the frame.
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 toggle switch (Fig. 17, Item 4).
3.
Use a 9/16" wrench to loosen the nut on the toggle switch shaft.
4.
Reassemble in reverse order.
35 AMP CIRCUIT BREAKER
1.
Lower pressure control assembly as described above.
2.
Disconnect the two wires on the breaker (Fig. 17, Item 5).
3.
Unscrew rubber boot (Fig. 17, Item 7) from breaker shaft.
4.
Use 1/2" wrench to remove the bushing (Fig. 17, Item 6) from the breaker shaft.
5.
Remove breaker from frame.
NOTE
:
Anytime the pressure control assembly, sensor, or both
are replaced, perform the calibrations.
WARNING:
Always unplug the electrical cord before servicing machine!
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Summary of Contents for 1110E
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