SL940-Install-Ops-Maintenance-7210918_B.pdf - 第95页
Operation 5- 15 5.11.2 Shutdown 5.11.2.1 Emergency Shutdown In case of an em ergency or m alfunction, press one of the EMO butt on s . T he EMO buttons are the large red buttons loca ted on the front panel and rear o f t…
5-14 Operation
5.11 System Startup/Shutdown
This subsection details basic start-up and shutdown procedures based on different levels of operation. The
following procedures are offered as general recommendations and suggestions when starting and/or
shutting down your Select Coat SL-940E/SL-941E Series Conformal Coating System. Your actual start-
up and shutdown procedures may vary.
WARNING! Only authorized service technicians or process engineers should connect power
cables to the power source. Operators should not attempt to make electrical
connections.
5.11.1 Startup
If necessary, refer to the figures in Section 1 - Introduction to identify system components.
To start the coating system:
1. Close the coating system front hood.
2. Power on the coating system as described in 4.7 Powering On the System.
NOTE Ensure that all items on the Daily Routine Checklist have been completed prior to starting
the production run. Refer to 5.12 Daily Routine Procedures.
To Start ECXP:
1. Start ECXP as described in 4.9 Starting Easy Coat for Windows.
2. Refer to 5.17 Loading a Program and 5.18 Running a Program for detailed instructions on
system setup and running production.
Operation 5-15
5.11.2 Shutdown
5.11.2.1 Emergency Shutdown
In case of an emergency or malfunction, press one of the EMO buttons. The EMO buttons are the large
red buttons located on the front panel and rear of the coating system. For more information, see 2.10
Emergency Shutdown.
WARNING! Power is still available to the power supply and to the Power Manager after an
Emergency Shutdown. To fully remove power to the system, all power cords
must be disconnected.
5.11.2.2 Routine Shutdown
Routine shutdown may vary depending on your particular requirements. The system may be left in the
power-on state at the end of the day or turned off completely. However, it is recommended that you
incorporate the following procedure into your production shutdown routine:
To shut down at the end of a production shift (overnight):
If you are using a coating material without pot life limitations, follow these steps for shutdown:
1. Wait for the dispensing program to complete.
2. Verify that all motion has stopped.
3. Unload all boards from the conveyor.
4. Exit ECXP.
5. Turn the Reservoir Air Pressure Switch (Figure 1-8) to the OFF
(0) position.
6. Press the
Stop (0) button on the front panel.
7. Remove the nozzle from the coating applicator.
8. To prevent material from curing inside the coating applicator nozzle, immerse the applicator
in the appropriate solvent in the stainless steel solvent cup.
If necessary, use an Asymtek nozzle brush (P/N 901905) to remove build-up.
9. Dry the nozzle and inspect the orifice for blockage.
10. Immerse the nozzle in solvent and store it in a safe place.
5-16 Operation
5.11.2.3 Extended shutdown
If the system will be shut down for several days, or if your coating material has a short pot life, follow the
procedures outlined in the appropriate coating applicator manual for cleaning and maintenance of the
coating applicator and nozzle.
5.11.2.4 Service Shutdown
To shut down for service:
1. Wait for the dispensing program to complete.
2. Verify that all motion has stopped.
3. Unload all boards from the conveyor.
4. Exit ECXP.
5. Exit Windows XP.
6. Flush the fluid system with the appropriate solvent as described in 5.15 Changing
Material/Flushing Fluid System.
7. When the fluid system has been flushed, turn the Reservoir Air Pressure Switch (Figure 1-8)
to the OFF
(0) position.
8. Press the
Stop button on the front panel.
9. Remove the nozzle from the coating applicator.
10. To prevent material from curing inside the coating applicator nozzle, immerse the applicator
in the appropriate solvent in the stainless steel solvent cup.
If necessary, use an Asymtek nozzle brush (P/N 901905) to remove build-up.
11. Dry the nozzle and inspect the orifice for blockage.
12. Immerse the nozzle in solvent and store it in a safe place.
13. Perform a Lockout/Tagout procedure as described in 2.13 Lockout of Electrical and
Pneumatic Energy.