Dillon Precision Products RL 550B Gebruiksaanwijzing - Pagina 10

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Fig. 14 - The machine comes with two primer pickup tubes

(#20060 Lg, #20059 Sm) and two primer magazine tubes

(#22031 Lg, #22030 Sm). Each has a large and small. They are

color coded for easier identification. See page 13 for color

coding information. The large ones should be used together

and the small ones should be used together. You will notice

that the primer magazine tips have an indexing ridge to

assist in their placement in the primer feed system.

The operating rod (#13869) must be installed

between the two white rollers before the operation of

the primer slide. Refer to Fig. 12 for the proper

placement of the rod. Unscrew the knurled cap

(#13957) and remove the large primer magazine and

replace with the small primer magazine tube, Fig. 14;

the plastic tip should look like the one you just took

out. Replace the knurled cap.

Wait until you've finished assembly before actually

placing primers in the magazine.

You will notice that the primer magazine tube tips

are different colors and have an indexing ridge on the

tip. The magazine tips and the primer pick-up tube tips

are color coded to help identify their size, see page 13

for more information. The indexing ridge is to help

you place the magazine in its proper position in the

primer feed body.

The Toolhead

Your new RL 550B has been shipped to you with

one removable toolhead. Additional toolheads are

available from the factory.

Fig. 15 - A complete, removable toolhead with all of the

dies adjusted. Toolhead stand is optional.

The advantage of this system is simple, once your

dies have been adjusted 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, Fig. 15.

Choose Your Dies

Your RL 550B will perform well with any

manufacturer's standard 7/8 x 14 die. However, for

ease of use in your RL 550B, the dies should have a

radius on the lead-in portion of the die; that is to say

a taper or funnel effect to assist the entrance of the

case into the die. This is especially recommended on

the sizing die.

We also recommend the use of separate bullet

seating and crimp dies for pistol cases. Simultaneous

seating and taper crimping of semi-auto cases is not

recommended. Why?

Two reasons. First, in a combination seating and

crimping die, we have two forces that are opposed to

one another. That is, forcing the bullet into the case

while trying to simultaneously crimp it in place.

A better idea is to seat the bullet in one die and then

crimp it in place in another. With semi-auto cases

(9mm & .45 ACP) you must use a separate taper crimp

die to get reliable ammunition and function from your

semi-automatic pistol. This type of crimp is necessary

to maintain the square shoulder effect where the brass

edge of the case meets the bullet. It is on this tiny

shoulder that the functioning of your semi-auto pistol

depends. If this shoulder is rounded or roll-crimped,

the cartridge may enter too far into your pistol's

chamber and jams will result. On revolver

ammunition, where the cartridge headspaces on the

rim of the case, this type of crimp is not as important,

but once again, by using a separate crimp die, you will

obtain better and more uniform bullet seating.

Carbide Dies?

All Dillon pistol resizing dies are manufactured

with a carbide insert. Carbide is one of the world's

hardest materials and will last the average reloader a

lifetime. It also takes a high polish and being more

dense is smoother than a steel die. Besides its

longevity, it has another advantage. All steel dies

require lubrication of your brass before resizing, but

with a carbide pistol resizing die this is not absolutely

necessary. Lubrication will make sizing easier, but

with a carbide pistol die, it is not required.

However, when using carbide rifle dies, your cases

must always be lubricated.

The advantage of carbide rifle dies is their long life

and scratch resistant qualities. If you are a commercial

reloader, you may want to consider them.

Setting your Pistol Dies

If you're setting up rifle dies, use the separate

instruction booklet supplied with the dies.

Before you begin, make sure that the toolhead is

secured by the toolhead pins (#14008).

* Indicates a caliber specific part. See the caliber conversion

chart on page 16 for the caliber you are loading for.