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7-2 Maintenance 7.5 Routine Mai ntenance Proce dures WARNING! CAUTIO N! Before perf orm ing an y of the m aintena nce proce dures in this s ection, perf orm a service sh utdown d esc ribed in 5. 1 1. 2. 4 Servic e Shut d…

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Maintenance 7-1
7 Maintenance
7.1 Overview
Performing the recommended maintenance procedures on the Select Coat SL-940E/SL-941E Series
Conformal Coating System at the intervals suggested in this section increases system life and ensures
high quality dispensing performance for every production run. This section covers the following topics:
•
Hazardous Materials
•
Cleaning the Fluid Filter
•
Record Keeping
•
Lubricating the Cables and Linear Guides
•
Routine Maintenance Procedures •
Tensioning the Cables
•
Cleaning the Spill Pan
•
Tensioning the Conveyor Chains
•
Emptying the Water Trap
7.2 Safety First
Operation of the SL-940E/SL-941E involves heat, air pressure, electrical power, mechanical devices, and
the use of hazardous materials. It is essential that every person servicing or operating the coating system
fully understands all hazards, risks, and safety precautions. Refer to Section 2 - Safety for additional
information.
WARNING! CAUTION!
To ensure optimal performance and safety, it is necessary to install the coating
system in a facility that meets the necessary requirements listed in Section 10 -
Specifications. If you have any questions, please contact Asymtek Technical
Support.
7.3 Hazardous Materials
Some maintenance procedures involve the use of hazardous materials. Always follow all applicable
national and local statutes and regulations, facility safety practice, and the material manufacturer's MSDS
recommendations.
7.4 Record Keeping
The type of maintenance performed (such as preventive and parts replacement) should be recorded in
maintenance records for the coating system. Dates, part numbers/serial numbers of replaced parts, names
of technicians, and other pertinent data should be recorded.
WARNING! Allow only qualified personnel to perform the following tasks. Observe and follow
the safety instructions in this document and all other related documentation.
7-2 Maintenance
7.5 Routine Maintenance Procedures
WARNING! CAUTION!
Before performing any of the maintenance procedures in this section, perform a
service shutdown described in 5.11.2.4 Service Shutdown.
NOTE The following maintenance procedures are for the SL-940E/SL-941E Series Conformal
Coating Systems only. Refer to the appropriate manual for recommended maintenance
procedures for your specific coating applicator.
Routine maintenance procedures and required intervals are listed in Table 7-1. It is also recommended
that you follow all procedures listed in 5.12 Daily Routine Procedures.
Table 7-1 Routine Maintenance Procedures
Task Frequency Instructions
Clean Dispensing Area Daily
Remove spilled fluids with the manufacturer’s recommended
solvent and a soft cloth. Remove any foreign objects from the
dispensing area and ventilation holes.
NOTE Make sure the coating system ventilation is
ON during handling and cleanup of all
materials used with the coating system. DO
NOT cover ventilation holes.
Clean Spill Pan Daily
See 7.6 Cleaning the Spill Pan.
Clean Fluid Filter Weekly
Replace as necessary. Refer to 7.8 Cleaning the Fluid Filter.
Drain Water Trap Weekly
Check the water level in the water trap and empty if full. See
7.7 Emptying the Water Trap.
Check Conveyor Weekly
Check conveyor guards for alignment and security. Inspect
conveyor chains for proper tension.
Inspect Hardware Weekly
Inspect coating system for broken, loose, worn, or missing
hardware. Replace or repair as necessary.
Inspect Electrical And
Pneumatic Lines
Weekly
Inspect coating system for broken, loose, or frayed electrical
and pneumatic lines. Replace as necessary.
Check Air Cylinders Monthly Check for leakage.
Lubricate the Cables and
Linear Guides
Every three
months
See 7.10 Lubricating the Cables and Linear Guides.
Tension Mechanical Drive
Cables
Every 6-12
months
See 7.11 Tensioning the Cables.
Empty Purge Cups As Needed
Empty and clean purge cups. Follow MSDS
recommendations for the proper handling and disposal of all
materials.
Refill Solvent Cups As Needed Refill as needed.
Clean Camera Lens (if
applicable
As Needed Use the cleaning kit provided.
Tension Conveyor Chains As Needed
See 7.12 Tensioning the Conveyor Chains.
Replace Conveyor
Chains
As Needed
See 9.8 Replacing Conveyor Chains.
Maintenance 7-3
7.6 Cleaning the Spill Pan
The Spill Pan is located in the front cabinet and captures fluid spills and overspray. The spill pan should
be cleaned regularly and is removable for ease of cleaning.
WARNING! CAUTION!
Follow MSDS recommendations for the proper handling and disposal of all
materials when cleaning the spill pan. Always wear appropriate personal
protective equipment (PPE) as recommended by facility safety practices and the
material manufacturer’s MSDS.
NOTE Make sure the ventilation is ON while cleaning the spill pan.
1. Slide the spill pan from the lower front cabinet.
2. Thoroughly clean the pan with the solvent recommended by the fluid manufacturer.
3. Slide the spill pan all the way in.
The spill pan is interlocked for safety. If the spill pan is not pushed in properly, the
coating system will not start.
NOTE Keep the spill pan free of debris. DO NOT use the spill pan for storage.
Item Description
1 Spill Pan
Figure 7-1 Spill Pan
1