THE LEE COMPANY ACS-390 Lee Check Valve Instruction Manual
- June 15, 2024
- THE LEE COMPANY
Table of Contents
THE LEE COMPANY ACS-390 Lee Check Valve Instruction Manual
Overview
This procedure is intended to provide process guidelines for proper
installation of Lee Check Valve, 4.5 mm, Press-In product in forward flow
orientation. Section 2 provides an overview of the installation hole
requirements. Section 3 contains the installation procedure and customer
assembly process recommendations. Section 4 contains reference information on
the installation hole and installation tool.
Compliance with this installation procedure will ensure optimal product
performance. Please contact your local Lee Company Sales Representative for
questions concerning installation of Lee Company products.
2. Installation Hole Requirements
The Lee Check Valve, 4.5 mm, Press-In product is purposely designed for
installation into plastic manifolds or fittings and to perform well under
adverse conditions. Therefore, the installation hole specifications outlined
in this section should be followed precisely to ensure proper function of the
product’s retention and sealing features. Installation hole specifications as
found on Lee Installation Hole Drawing 1INST055825S (Appendix A) will ensure
proper operation of the Lee Check Valve, 4.5 mm, Press-In product. The hole
should be clean, dry, and free of burrs/flash. The series of smoothly curved
lands of the Lee Check Valve, 4.5 mm, Press-In product allow the valve to be
pressed in while the plastic flows into the adjacent grooves. Some plastics
with a lot of elongation, such as Polypropylene, Nylon, Acetal, Polyethylene
and PEEK, cold flow into the grooves affecting retention and sealing.
Other plastics, such as acrylic and polycarbonate, are rigid and therefore the
material must be heat flowed around the component. For installation into these
types of plastics contact your local Lee Company Sales Representative for more
information.
3. Installation
Installation Overview for Forward Flow Installation
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For forward flow applications the Lee Check Valve, 4.5 mm, Press-In product is inserted into the installation hole oriented as shown.
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The installation tool (P/N: CCRT0055034S) is used to simply press the valve into a plastic installation hole until the valve is at a minimum flush with the top of the installation hole.
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The series of smoothly curved lands of the Lee Check Valve, 4.5 mm, Press-In product seals and retains the product in the plastic installation hole.
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Insertion should be done using Lee Installation Tool P/N: CCRT0055034S (see Appendix B). The tool and installation hole should be concentric within 0.03 mm.
Factory Best Practices:
- Examine the condition of the Installation Tool at appropriate intervals and replace if damaged or chipped.
- Clean feed bowls once per day.
- Turn off vibratory feed bowl when the assembly station is idle, or if the feed rail is full of parts.
- Use the minimum vibration setting to advance valves in the feed bowl.
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- If the check valve is blown into the assembly area from the feed rail, minimize the air pressure at which the check valve is blown into the assembly area to prevent possible damage.
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4. Appendices
Appendix A Installation Hole
DIMENSIONS IN MILLIMETERS
Note: Draft angle to fall within diameter tolerance Refer to Lee Drawing No. 1INST055825S
Appendix B Installation Tool
DIMENSIONS IN MILLIMETERS Marked with part number and revision.
Refer to Lee Part No.CCRT0055034S
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References
- In-Process Monitoring | Torque | Presses | Promess
- In-Process Monitoring | Torque | Presses | Promess
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