SC_450 PreciseCoat Conformal Coating Jet_Rev_04.pdf - 第50页
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SC-450 PreciseCoat Conformal Coating Jet Troubleshooting
© 2024 Nordson Corporation 43
Table 6-3 SC-450 Troubleshooting - Component Based
Component Quality Troubleshooting Questions
Nozzle
Size and
cleanliness
Is it the correct size? Was it cleaned completely? Does a new nozzle
have the same behavior?
Stroke
Adjustment
Adjustment
position
Was the stroke adjustment assembly removed? Was the stroke
adjustment set following the procedure? Is the needle assembly worn
or damaged?
Fluid Seal
Condition
and
Orientation
Is the seal worn or damaged? If being reused, was it cleaned
completely? Was the seal removed/installed using the seal tool
(Item 23)? Was it installed in the correct orientation?
Solenoid Operation
Are the electrical connections good - both at the bulkhead and in the
junction box? Is a minimum of 80 psi air being supplied all the way to
the solenoid inlet? Is the solenoid armature actuating (faint ticking)?
Can the solenoid open using the manual override? Is air exiting the
solenoid when operated?
Needle
Assembly
Condition
Is the needle assembly worn or damaged? Check the tip, fluid seal
location and the piston seal. Does the needle assembly move freely
in the jet body with the stroke adjustment assembly removed?
6.4 Input/Output Connection
7-PIN Female Circular Plastic Connector
Table 6-4 Pin Connector Identification
Pin Num Signal Name
1 +24VDC
2 SOLENOID (Sinking)
3 NOT USED (Sinking)
4 HTR PWR (+)
5 HTR PWR (-)
6 HTR RTD (+)
7 HTR RTD (-)
1
2
3
4
5
6
7
© 2024 Nordson Corporation 45
7 Parts Replacement
7.1 Overview
This section includes general information for ordering recommended spares and replacement parts for
the SC-450 PreciseCoat Jet.
WARNING!
Parts replacement should only be performed by a trained service technician.
Nordson assumes no liability for personal injury or property damage that may
occur as a result of spare parts being replaced by a non-certified technician.
7.2 Safety First
Operation of your SC-450 PreciseCoat Jet involves heat, air pressure, electrical power, mechanical
devices, and the use of hazardous materials, and sometimes may involve heat. It is essential that every
person servicing the dispensing system or components fully understands all hazards, risks, and safety
precautions. See Section 2 - Safety for additional information.
WARNING!
DO NOT hot swap connections when working with electrical and pneumatic power
supplies. Turn the main circuit breaker off before disconnecting the external power
plug from the facility.
7.3 Parts Ordering Information
7.3.1 Placing Your Order
Customers can order spare parts by contacting Technical Support. Contact information is listed in the
front of this manual. Spare parts can also be ordered online through our Internet Web Store. To set up a
web store account, send an email to americas.es.cs@nordson.com.
When ordering parts, be prepared to provide the following information:
•
Your Company Name
•
Billing Address
•
Shipping Address
•
Part Number and Description of Part
•
Purchase Order Number
•
Quantity
• Coating System Serial Number
(found on back panel)
• Shipping Instructions with Collect
Account Number
7.3.2 Shipping Instructions
When ordering parts, specify which carrier you prefer to use and provide your shipping account number. If
no instructions are received, Technical Support will determine the best shipping method and items will be
shipped prepaid with the shipping charge added to the invoice.