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Configuring the AT 500
Page 2

Changing Primer Size
  8
  Your AT 500 has been shipped to you with the large primer bar installed and correctly adjusted to feed large primers. If the caliber you have selected requires small primers, you must change to the small primer cup and pin. Do this by loosening the set screw and removing the large primer cup and pin from the primer bar. Install the small primer cup and pin. (Figure 7) Do not tighten the set screw yet.

 

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Figure 7 – To change the primer cup and pin, loosen this set screw. See arrow.

  This set screw needs to be loose in order to align the primer cup with the platform. Lower the platform onto the primer cup (Figure 8), then tighten the set screw while the cup is in the platform. (Figure 9)

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Figure 8 – Lowering the platform onto the primer cup.

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Figure 9 – The primer cup, showing through the platform.

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The Toolhead
 
  Your new AT 500 is equipped with a removable toolhead. Additional toolheads are available from the factory or your local Dillon dealer.

  The advantage of this system is simple. Once you have adjusted your dies just the way you want them, they can stay that way. Plus, changing to another caliber becomes a simple matter of pulling two pins and sliding the toolhead out. (Figure 10)

  Before you begin loading, make sure that the toolhead is secured by the toolhead pins.

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Figure 10 – Removing the toolhead.

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contents

AT 500 Table of Contents
AT 500 Cover Page Configuring the AT 500: 

Changing Shellplate Position 

Caliber Conversion Chart

Changing Primer Size

The Toolhead

AT 500 Parts List
AT 500 Machine Schematic
Suggested Minimum Equipment to Begin Reloading
Reloading Safety
Parts List Setting up the AT 500 to Load:

Rifle Ammunition
    Page 1
    Page 2
    Page 3

Pistol Ammunition
    Page 1
    Page 2

Mounting the AT 500 to Your Bench
The Reloading Process
AT 500 Upgrades
AT 500 Accessories
Contact Information

Dillon Precision Products, Inc.
8009 E. Dillon's Way
Scottsdale, AZ 85260 U.S.A.

Call Toll Free 800-762-3845 or 480-948-8009 ° Fax 480-998-2786
Open 7-6, Monday-Friday; 8-3 Saturday MST
(Open 1400-0100, Monday-Friday; 1500-2200 Saturday GMT)

E-mail Technical Questions to: tech@dillonprecision.com
or try our technical help site at: www.dillonhelp.com/at500.htm
E-mail Order Questions to: dillon@dillonprecision.com
E-Mail for Catalog requests to: catalogs@dillonprecision.com

Have technical questions about Dillon Precision's products? Please send them to dillon@dillonprecision.com

Have comments about this web site? Please send them to comments@happ-eware.com
Copyright © 1998 Happ eWare,  LLC
Last modified: April 28, 1999