Nordson EFD 736HPA - User Manual

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Summary

Valve Disassembly and Reassembly Procedures

To replace the lower seal

Detailed steps for removing and replacing the lower seal in the valve assembly.

To replace the upper seal

Step-by-step guide for removing and replacing the upper seal of the valve.

To replace air cylinder seals

Procedure for replacing seals within the air cylinder of the dispense valve.

Accessories

Polyethylene Nozzles

Details on plastic nozzles with 1/4 NPT thread, including size and quantity per package.

1;4 NPT Metal Nozzles

Specifications for stainless steel metal nozzles, including part number, gauge, and size.

Dispensing Tip Adapter

Information on adapters designed to accept all EFD dispensing tips, specifying material.

Troubleshooting Guide

No fluid flow

Common causes and solutions for lack of fluid dispensing.

Fluid drools after the valve closes, eventually stopping

Explains and resolves issues with post-dispense dripping.

Inconsistent deposits

Addresses problems with uneven or fluctuating dispensing amounts.

Fluid drips at a steady rate after the valve closes

Identifies seal failure as the cause of continuous dripping.

Valve responds slowly when opening and closing

Discusses factors affecting valve actuation speed.

Fluid flows out above upper seal

Indicates a worn upper seal causing leakage.

Additional Accessories

Valve Mounting Rod

Details on a mounting rod for the 736HPA valve.

Universal Valve Mount

Information on a mount compatible with all EFD valves.

Double-Acting Air Closure Kit

Describes an optional kit for improved dispense cycle cut-off.