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S2-9 XX X Se ri es Disp ensi n g Syst em IOM Man ual Parts Replacement 8-28 © 2023 Nordson Corporatio n To install the front EMO actuat or switch (Fig ure 8- 21 ): 1. In stall th e EMO actu ator switc h thro u gh the fro…

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S2-9XXX Series Dispensing System IOM Manual Parts Replacement
© 2023 Nordson Corporation 8-27
8.15.2 Replacing the Front EMO Actuator Switch
To remove the front EMO actuator switch (Figure 8-21):
1. Perform a service shutdown, see 2.14 Service Shutdown.
2. Remove the control panel, see 8.13.1 Removing and Installing the Control Panel.
3. Disconnect the power control cables from the EMO contact block switch.
4. From rear of the control panel using the switch mounting tool, remove the nut securing the
EMO actuator switch.
5. Remove the EMO actuator switch and EMO switch guard from the front of the control
panel.
Item
Description
Item
Description
1 Front Control Panel 4 EMO Nut (included with Item 15)
2
EMO Switch Guard
5
Contact Block (Item 15)
3 EMO Actuator Switch (Item 15)
Figure 8-21 Replacing the Front EMO Actuator Switch (Wiring Not Shown for Clarity)
3
2
1
4
5
S2-9XXX Series Dispensing System IOM Manual Parts Replacement
8-28 © 2023 Nordson Corporation
To install the front EMO actuator switch (Figure 8-21):
1. Install the EMO actuator switch through the front of the control panel.
2. Apply plastic thread locker onto the threads of the EMO nut.
3. Install a new EMO nut from the rear of the control panel onto the EMO actuator switch.
4. Tighten the EMO nut with the switch mounting tool.
5. Connect the EMO switch contact block to the EMO actuator switch.
6. Connect the power control cables to the EMO contact block switch, see Table 8-1.
7. Reinstall the control panel, see 8.13.1 Removing and Installing the Control Panel.
Table 8-1 Power Control Cable Connections (EMO Switch)
EMO Switch
Contact # Color
11 Black
12 Red
21 White
22 Green
S2-9XXX Series Dispensing System IOM Manual Parts Replacement
© 2023 Nordson Corporation 8-29
8.15.3 Replacing the ON Switch
To remove the on switch (Figure 8-22):
1. Perform a service shutdown, see 2.14 Service Shutdown.
2. Remove the control panel, see 8.13.1 Removing and Installing the Control Panel.
3. Disconnect the power control cables from the contact block.
4. Disconnect the contact block from the momentary actuator.
5. From rear of the control panel, use the switch mounting tool to remove the metal mounting
nut securing the metal flush mount adapter.
6. Remove the metal flush mount adapter from the rear of the control panel and the green LED
switch from the front of the control panel.
Item Description Item Description
1 Switch, 3P-NO, Green LED (Item 15) 4 Metal Mounting Nut
2 Control Panel 5 Contact Block (Item 15)
3 Metal Flush Mount Adapter
Figure 8-22 Replacing the ON Switch (Wiring Not Shown for Clarity)
1
2
3
4
5