Dillon Precision SL 900 Instruction Manual

							12
Toolhead Assembly
1674116743
1674217351
16748 13896 1714116667167471257713989
17836
A-A
16668
17149
17148
17149
13742 167501675220782
17147
16744
16746
17477
16751Remington


 




 


14008
17899
17909
13895
Seat Plug Guide
16751 (black) Remington only
17836 (silver) A-A and Federal 
						

							13
Platform Assembly
16684
16683
13937
13738
14037 16697
17944
13789
16700
16701
1670217812
assembly
10716
138371763914574
13311
16695
16696
16694
16753 (3)
17126 (3)13891
14118
16699 1620914689 1468916692
16691
16693
17472 
						

							14
Primer Feed System Assembly & Installation



 






 






 







 




 







 




 




14026
16717 16713
16721
16723
17601
16714
140231713417354
1385617603 (3)
17474 (3)
16340
14026 16710
17472
17472
17472 13773
13773 16711 1480813923
13793
17132
14026
17472 
						

							15
Automatic Powder Measure Assembly
13882
Part # Description
13652 Powder Bar Part, Large
13691 Powder Measure Tube Only
13793 Roller
13799 Blue Wing Nut 
13801 Tinnerman Nut 
13845 Collar Sleeve
13848 Bellcrank Bushing
13853 Powder Bar Insert, Large
13858 Rod Compression Spring 
13871 Bellcrank Cube
13882 Powder Measure Lid
13893 Powder Bar Post, Large
13921 Powder Measure Plug
13939 Body Collar Clamp
13940 Connector Body Collar
13943 Powder Bar Bolt
13958 Powder Bar Bolt Washer     
14023 8-32 x 3/4 BHCS 
14037 10-24 x 3/4 SHCS (2)
14041 Bowed Washer
14202 Powder Measure Tube Screws
14808 Collar Roller Bushing
16340 Nylon Lock Nut
16731 Spring
16732 Pivot Pin
16734 Rod Bushing 
16904 10-32x1 1/2 SHCS
17140 Pin
17350 Powder Bar Return Rod 
17838 P/M Lock Link
17839 P/M Slotted Bellcrank
20063 Powder Bar Assembly, Large
22273 Powder Dispenser Body
22273
13691
13793
14808
13940
13845
16734
13858
1380113799
13871
13958
13652
14041
13943
13893
13853
17839
14041
17350
16904
13939
1403714023
16340
14202
14202
13921
13848
16732
17839
1783817140
16731 
						

							16
Shot Dispenser Assembly - # 22134, 12 gauge shown
17143
17142
14026
17146
13996
1381716739
16740
13958
16738
16726
16735
16736 16737 16740 14023 1373814808 169041379314041 138481672713871
16733
13989
13801 13799 138581673414041
13943 16725 17476
14013 1370117573 171391720217138 
						

							17
Finished Shotshell DimensionsWad Swing Arm Assembly
12 gauge shownHere are some dimensions of a typical 12ga. shotshell.
Always use a quality dial caliper when measuring your
shotshells. Length may vary dependent upon shotshell
manufacturer. Dimensions shown are for maximum,
uncrimped overall length. If you find it necessary to adjust
the collet size die, try to shoot for a middle of the road
measure of the brass base.
Wad Seated Depth
When developing loads for
shotshells be aware of your “wad
seated depth.” Here’s a reference
guide for the popular wad and
shot weight used presently. 
Example, if your loads
currently use a wad for 1 1/8 oz.
of shot and you decide to reduce
your shot weight and switch to
7/8 of an ounce wads, readjust
the shot dispenser tube via the
body collar adjustment screw.
Clockwise rotation raises the
shot dispenser tube and
decreases the depth the wad is
seated into the shotshell.
Counterclockwise rotation
lowers the shot dispenser tube
and the wad will get seated
deeper into the shotshell.
Finished Round Information
Your loaded round length will
vary due to loads used, type of
wads, and brand of shotshells. 
We found that a majority of
the Winchester ammo loaded fell
toward 2.30 - 2.325 length. 
The Remington and Federal
ammo loaded measured 2.33 -
2.350 overall length. 
Always use a reputable
loading manual when reloading
shotshells.
.800-.809 Dia.
typical base
diameter
2.76  -.100
seated depth
.065
2.30 -
2.350
overall
length
16681
16678
NOTE:  Periodically
lube this sleeve with
light oil.
16677 16680
13840
16682
17604 17352
16679
Wad & Shot Approx. Depth
7/8 - 1 oz. 1.12 - 1.20
1 1/8 oz. 1.30 - 1.35
1 1/4 oz. 1.45 - 1.50
13789 
						

							Reloading ammunition and handling powder and
primers is inherently dangerous. Just as in shooting,
accidents do happen. These accidents are
nondiscriminatory; they happen to both the novice and
the experienced reloader. 
We have done everything we know how to make
your machine as safe as possible. We cannot, however,
guarantee your complete safety. To minimize your
risk, use common sense when reloading and follow
these basic rules:
Never operate the machine without ear and eye
protection on. Call our customer service department at
(800) 223-4570 for information on the wide variety of
shooting/safety glasses and hearing protection that
Dillon has to offer.
• PAY ATTENTION: Load only when you can give
your complete attention to the loading process.
Don’t watch television or try to carry on a
conversation and load at the same time. Watch the
automatic systems operate and make sure they are
functioning properly. If you are interrupted or must
leave and come back to your loading, always
inspect the hulls at every station to insure that the
proper operations have been completed.
• SMOKING: Do not smoke while reloading or allow
anyone else to smoke in your reloading area. Do not
allow open flames in reloading area.
•  SAFETY DEVICES: Do not remove any safety
devices from your machine or modify your machine in
any way.
• LEAD WARNING: Be sure to have proper
ventilation while handling lead components or when
shooting lead bullets. Lead is known to cause birth
defects, other reproductive harm and cancer. Wash
your hands thoroughly after handling anything made
of lead.
• LOADS AND LENGTHS: Avoid maximum loads
and pressures at all times. Use only recommended
loads from manuals and information supplied by
reliable component manufacturers and suppliers. Since
Dillon Precision has no control over the components
which may be used on their equipment, no
responsibility is implied or assumed for results
obtained through the use of any such components. 
Refer to a reliable loading manual for overall length
(OAL).
• QUALITY CHECKS: Every 50-100 rounds, perform
periodic quality control checks on the ammunition
being produced. Check the amount of powder being
dropped and primer supply.
•  RELOADING AREA: Keep your components safely
stored. Clear your work area of loose powder, primers
and other flammables before loading.
• COMPONENTS: Never have more than one type of
powder in your reloading area at a time. The risk of a
mix-up is too great. Keep powder containers closed.
Be sure to inspect hulls prior to reloading for flaws,
cracks, splits or defects. Throw these hulls away. 
Keep components and ammunition out of reach of
children.•  WINCHESTER HULLS: Please be aware that
Winchester has redesigned the AA target hull. This
hull is no longer a one-piece extruded design. Now, it
is a two-piece hull incorporating an inner reinforcing
tube which extends partway up the interior of the hull.
Winchester wads have been redesigned to work
with this new design. Additionally, some aftermarket
wads are now available which are compatible with the
redesigned hulls. Other wads may not be compatible
with the new AA hulls.
We suggest that you visually inspect your hulls,
and load the old and new style hulls separately, using
components appropriate to each style of hull.
• BLACK POWDER: Do not use black powder or black
powder substitutes in any Dillon powder measure.
Loading black powder cartridges requires specialized
loading equipment and techniques. Failure to do so
can result in severe injury or death.
•  PRIMERS: Never force primers. If they get stuck in
the operation of the machine, disassemble it and gently
remove the obstruction. 
Never attempt to deprime live primers – eventually
one will go off. When it does it will detonate the others
in the spent primer cup. Depriming live primers is the
single most dangerous thing you can do in reloading
and can cause grave injury or death.
• LOADED AMMUNITION: Properly label all of your
loaded ammunition (Date, Type of wad, primer,
powder, shot charge, etc.).
•  BE PATIENT: Our loading equipment is
conservatively rated and you should have no trouble
achieving the published rates with a smooth, steady
hand. If something doesn’t seem right, stop, look and
listen. If the problem or the solution isn’t obvious, call
us. The reloading bench is no place to get into a hurry.
•  REMEMBER: If your machine does not perform to
your expectations, or if you are having technical
difficulties, give us a call: (800) 223-4570
GENERALMACHINEINFORMATION
Based on our XL 650 machine frame, the SL 900
comes to you with some great automated features.
Starting from the right rear of the machine, the
SL 900 features an electric casefeeder. This unit
holds approximately 80 empty hulls; enough for
three boxes of shotshells.
Turn the electric casefeeder on and the shotshell
disc (#17133) will rotate until the feed tube has
filled, then the microswitch will shut the unit off.
Every stroke of the roller handle (#22183) transfers
one empty hull from the feed tube to the shellplate
via the case insert slide ramp. Once a hull has been
placed in station one of the machine, moving the
roller handle (#22183) down will resize the brass
base of the hull, expand the mouth of the hull and
remove the old primer. NOTE: Always examine the
hulls for rocks, dirt, mud or other cases that may get
stuck inside. Also look for hulls that may appear
stepped on or flattened. Go ahead and squeeze them
18
MANDATORYSAFETYMEASURES 
						

							round again so they won’t get stuck in the casefeed
tube (#16705). Returning the roller handle (#22183)
to its full aft position will advance the hull to station
two, where a new primer is inserted into the hull
when you push the roller handle (#22183) aft.
The automatic primer system holds 100 shotshell
primers. Every complete stroke of the roller handle
(#22183) will feed a primer to the hull. 
The automatic powder system is also located at
station two. The hopper holds one half pound of
powder and has a fully adjustable powder bar. The
automatic powder system is hull activated. Move
the roller handle (#22183) down.  When the hull
contacts the expander/powder funnel (#16746), the
powder measure is pushed up, causing the powder
bar to move and dispense one charge of powder into
the hull. Raise the roller handle (#22183) to its rest
position. The powder bar will recharge and the hull
will advance to station three. 
At the third station (left, front of the machine) we
will insert the wad and meter the shot into the shell.
Move the roller handle (#22183) aft as if you are
seating a primer into the hull. You will see the wad
swing arm (#16677) tilt out, ready to accept a new
wad. With every complete stroke of the roller handle
(#22183), insert a new wad into the wad swing arm
(#16677) when it tilts out.
Move the roller handle (#22183) down. The shot
drop tube (#16726) inserts the new wad into the
empty hull and will dispense shot into the hull.
Raise the roller handle (#22183) and push aft to
prime. Hold the handle aft while you insert a wad
into the swing arm.At station four we start the crimp in the top of
the loaded hull. It is formed and folded closed,
preparing the hull for the final crimp and seating
performed in station five.
The formed, folded top of the hull will now be
crimped and seated closed. This die is fully
adjustable. The crimp and seating depth can be
adjusted to the desired settings.
This die also has a taper crimp feature inside that
will form a tapered end to the hull. Again, move the
roller handle (#22183) down and then back up to its
rest position. The completed shotshell advances out
of the machine, down the shotshell chute (#16672)
and into the Dillon bin (#17125).
STEP BYSTEPPRELIMINARYASSEMBLY
1. Fasten the strong mounts (#16065) to the base
of the machine while it is lying on its side. Fig. 2
19
Fig. 1 - A.) Dillon Bin B.) Shotshell Chute C.) Strong Mounts D.)
Universal Mounting Kit and Hardware needed for Strong Mount
installation E.) Shot Container and Post F.) Shot Dispenser Hardware
G.) Shot Bar Return Rod and Powder Bar Return RodH.) SL 900 Toolhead and Frame I.) Spent Primer Cup J.) powder
measure K.) Roller Handle L.) Hardware for Shot Post and Casefeed
Post Assembly M.) Casefeed Bowl and Post N.) Clear Casefeed Tube 
A.
B.
C.
D.E.
F.
G.H.
I.J.
K.
L.M.
N.
Fig. 2 
						

							20
2. Lift the machine up and fasten the machine
securely to the forward edge of the bench. Fig. 3
3. Install the casefeed post (#17123) and the shot
post (#17124) to the frame of the machine using the
two long 4 1/2" bolts, 6 clamps (#13613), 2 - 1/4"
washers and 1/4-20 nuts. Fig. 4
4. Locate the shot container and place it on its
post. Fig. 55. Open the casefeeder box. Place the feeder on
your bench and plug it into a 110v AC outlet (220v
for European casefeeders). Place a handful of empty
hulls into the casefeeder (approximately 10). Turn
the unit on and familiarize yourself with its
operation. Notice how every time an empty hull
exits the casefeeder, it passes a microswitch. Later in
the loading process, you will see that every time the
hull is next to the microswitch the motor will shut
off. Fig. 6
6. Place the casefeeder on its post. Find the
clear feed tube and place the bottom of the tube
into the 12 Ga. casefeed sleeve (#17130). Align the
casefeeder on the post with the clear feed tube and
snap the feed tube into its receiver. Snug the 1/4-
20 screw on the rear of the casefeeder to secure the
position of the casefeeder. Please do not fill the
clear feed tube with empty hulls. This step will be
completed later.  Fig. 7
Microswitch
Fig. 3Fig. 6
Fig. 5
Fig. 7
Fig. 4 
						

							Be sure to secure the small, but important, screw
located at the rear of the bowl at the base. This little
screw (#13685) secures the entire bowl assembly to
the casefeed post (17123). Fig. 8
7. The powder measure (#20782) is the next item
we’ll be installing on the machine. Familiarize
yourself with its operation – every complete stroke
of the powder bar dispenses one charge of powder.
The dispenser is hull activated. 
Using a 7/16” wrench, rotate the bolt located on
the end of the powder bar – counterclockwise will
reduce the powder charge weight, clockwise will
increase the powder charge weight. Fig. 9  
Be sure to install the powder measure plug
(#13921) here – see arrow Fig. 9.8. Remove the blue cap on the powder die
(#16744). Loosen the two Allen screws and place the
powder measure (#20782) on the powder die
(#16744). The clamp must lock into the groove of the
die, then secure the two Allen screws firmly. Fig. 10
9. Locate the parts bag for your machine.
Enclosed is a powder bar return rod (#17350) Fig.
11. The powder bar return rod (#17350) must be
inserted into the bellcrank from its left side. On the
bottom of the rod is a blue wing nut (#13799),
spring and white rod bushing (#16734). Slide this
end into the receiver (see arrow Fig. 11) and snap
21
13685
Fig. 8
Fig. 9
Fig. 10
Fig. 11
#13921