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  9. OHAUS Reloading Scale 5-0-5 User manual

OHAUS Reloading Scale 5-0-5 User manual

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UNPACKING AND SETUP
Your ʺ5-0-5ʺscale is packed in a specially designed carton to provide maximum
protection. Unpack the scale carefully to avoid damaging components. (See illustration
below.)
Place the base on a reasonably flat and level surface.
To position the beam in the base, hold it horizontally with the copper damper vane
pointing upward, as shown in (A). Slide the pointer end of the beam behind the right
edge of the dial plate. Rotate the beam, as shown in (B), so that the damper vane
moves into the slot in the housing. Lower the center pivot onto the bearings as
illustrated in (C). Hook the pan support assembly in the end loop on the extreme right
of the beam, illustration (D). Put the pan in place.
Note the way the pan support cradles the pan. This feature makes it possible to weigh
long, heavy objects such as cases and loaded cartridges without tipping the pan off its
support. The pan support may also be rotated within the wire hanger for a more
convenient handle position.
Your ʺ5-0-5ʺis now ready for use.
CAUTION!
The end loop MUST not be bent or twisted when unpacking.
In order for the scale to operate properly:
 Both sides of the end loop MUST be parallel to the beam.
 The end loop shall move freely in the pivot notches and hang in a
position perpendicular to the knife edges.
Reloading Scale 5
-
0
-
5TM
Instruction Manual
IMPORTANT
Since the powder charge is the most critical portion of a reloaded
cartridge, it is very important that you take a few minutes to read these
instructions carefully to gain an understanding of the use of the three
poise system before attempting to weigh powder charges.
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About your OHAUS Reloading Scale 5-0-5TM
Ohaus Corporation
7 Campus Drive, Suite 310
Parsippany, NJ 07054 USA
For customer service call Toll Free
1-800-672-7722
The 5-0-5 has a 511 grain capacity, and features a three poise system. Widely
spaced, deep beam notches prevent accidental movement of the poises.
Calibrations on left side of beam are in full 10 grain increments. Two smaller poises
on right side of beam adjust from 0.1 to 10 grains. This was the first reloading scale
to utilize magnetic damping to eliminate unnecessary beam oscillation. It has a
rugged die-cast base with a large leveling leg for extra stability on the bench. Self-
aligning agate bearings support the hardened steel beam pivots to guarantee
sensitivity of 0.1 grain.
This scale is manufactured by
Ohaus Corporation
Toll Free (800) 672-7722
*30332163*
P/N 30332163 A © 2016 Ohaus Corporation, all rights reserved.
PRINTED IN CHINA
LEVELING
FOOT
BASE
ASSEMBLY
PAN
SUPPORT
ASSEMBLY
PAN
DIAL PLATE
BEAM POINTER
DAMPER
VANE
BEAM
LARGE
POISE
SMALL
POISE
END
LOOP
MIDDLE
POISE
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HOW TO USE THE LARGE POISE (500 GRAIN)
The principle of the large poise consists of an accurately adjusted weight which
moves parallel to the longitudinal axis of the beam and which is positioned at
weight values by means of a pawl engaging notches in the beam. The poise run
is from 0 to 500 grains. The equally-spaced notches divide this distance into 50
equal parts so that each subdivision is equivalent to 10 grains of weight.
To zero the large poise, move it to the position where the pawl, located on the
right side of the poise, engages the first notch on the right end of the poise travel.
The poise indicator will line up with the zero graduation.
To increase weight values, move the poise to the left and line up the indicator
with the desired graduation. Always make sure the pawl is seated in the
notch.
Illustrated is a setting of 160 grains.
To increase weight values, move the poise to the left and line up the indicator
(right-hand edge) with the desired graduation. Always make sure the pawl is
seated in the notch.
Illustrated is a setting of 3 grains.
Do not attempt to set the middle poise at any position except firmly seated in a
notch. Always use the small poise for weight values between the 1 grain
increments of the middle poise.
HOW TO USE THE SMALL POISE (1 GRAIN)
The principle of the small poise is the same as for the first two poises. This poise
run is from 0 to 1 grain. The equally spaced notches divide this distance into 10
equal parts so that each subdivision is equivalent to 1/10th (.1) grain of weight.
To zero the small poise, move it to the position where the pawl, which is the top
edge of the rectangular slot through the poise, engages the notch directly above
the zero graduation. The long, vertical edge of the poise is the indicator and will
line up with the zero graduation.
Do not attempt to set the large poise at any position except firmly seated in a
notch. Always use the middle poises for weight values between the 10 grain
increments of the large poise.
HOW TO USE THE MIDDLE POISE (10 GRAIN)
The principle of the middle poise is the same as that of the large poise. This poise
run is from 0 to 10 grains. The equally spaced notches divide this distance into 10
equal parts so that each subdivision is equivalent to 1 grain of weight.
To zero the middle poise, move it to the position where the pawl, which is the top
edge of the rectangular slot through the poise, engages the notch directly above
the zero graduation. The long, vertical right-hand edge of the poise is the indicator
and will line up with the zero graduation.
To increase weight values, move the poise to the left and line it up with the
desired graduation. Always make sure that the pawl is seated in the notch.
Illustrated is a setting of .7 grains.
Do not attempt to set the small poise at any position except seated in a notch.
HOW TO ZERO BALANCE THE SCALE
Place all three poises at zero. If the scale has been placed on a reasonably level
surface, the beam pointer will come to rest fairly close to the zero graduation on
the dial plate. Raise or lower the left end of the base by means of the leveling
foot to line them up.
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The scale should be zero balanced before use and checked periodically during
use for maximum accuracy and protection against error.
MAGNETIC DAMPING
Your ʺ5-0-5ʺReloading Scale is equipped with magnetic damping which causes
the beam to come to rest quickly without affecting sensitivity or accuracy.
It operates on the principle of a permanent magnetic field resisting the motion of
a non-magnetic, copper damper vane attached to the beam.
The damping magnets are positioned inside the base on both sides of the slot
that the damper vane travels in.
The only maintenance required is to keep this slot free of magnetic particles
which could interfere with free movement of the damper vane. The magnetic
damping is effective at all loads and will speed up weighing.
HOW TO WEIGH
To weigh an unknown, such as the throw of charge from a powder measure,
place it in the scale pan. Move the large poise to the first notch which causes the
beam pointer to drop below zero and then move it back one notch. Do the same
with the middle poise. Then move the small poise to the notch which brings the
beam pointer closest to zero. The weight of the unknown is the sum of the three
poise readings.
GENERAL
 Use the reloading equipment as the manufacturer recommends.
Study the instructions carefully and become thoroughly familiar with the
operation of the product. Don’t take short cuts.
 Observe ʺgood housekeepingʺin the reloading area. Keep tools and
companents neat, clean and orderly. Promptly and completely clean up
primer and powder spills.
 Reload only when you can give your undivided attention. Do not reload
when fatigued or ill. Develop a reloading routine to avoid mistakes.
Avoid haste - load at a leisurely pace.
 Always wear adequate eye protection. You assume unnecessary risk
when reloading without wearing safety glasses.
 Don’t take short cuts.
LOADING DATA
 Use only laboratory tested reloading data.
 OBSERVE ALL WARNINGS ABOUT THE USE OF MAXIMUM LISTED
LOADS.
PRIMERS AND POWDER
 Store primers and powder beyond the reach of children and away from
heat, dampness, open flames and electrical equipment.
 DO NOT use primers of unknown identity. To destroy unwanted
primers, soak in oil for a few days and then bury.
 Keep primers in original factory container until ready to use. Store
unused primers in the same factory packaging for safety and to
preserve their identity.
The scale can also be used to weigh out predetermined powder charges, either
alone or in combination with a powder measure set to throw a light charge.
In either case the desired final weight of the charge is preset on the poises. This
will cause the beam pointer to fall below the zero graduation. Add powder to the
pan until the beam balances.
When making repeated weighings in this manner, avoid weighing errors by
making sure that the poises remain in their correct positions and are not
accidentally moved.
HOW TO CARE FOR YOUR SCALE
Keep the scale clean at all times and be particularly careful to prevent the
accumulation of dirt on the pivots and bearings. Never apply oil or any lubricant to
the pivots or bearings; this will lower the accuracy of the scale.
SAFETY
Reloading is an enjoyable and rewarding hobby that is easily conducted with
safety. But carelessness or negligence can make reloading hazardous. This
product has been designed from beginning with the user’s safety in mind.
As with any reloading operation, some safety rules must be followed. By
observing these few rules, the chance of a hazardous occurrence causing
damage or injury becomes extremely remote.
 DO NOT store primers in bulk. The blast of just a few hundred primers
is sufficient to cause serious injury to anyone nearby.
 DO NOT force primers. Use care in handling primers.
 DO NOT use any powder unless its identity is positively known.
Discard all mixed powders and those of uncertain or unknown identity.
If you use a powder measure, replace the lids on both the powder
hopper and powder can after the powder hopper has been filled.
 Before charging cases, settle the powder in the powder hopper. Throw
and check the weight of at least ten charges. This will assure you that
the correct powder charge is being thrown.
 After a reloading session ends, pour the remaining powder back in its
original factory container. This will preserve the identity and shelf life of
the powder.
 DO NOT smoke while handling powder or primers.
RECORD KEEPING
 Keep complete records of reloads. Apply a descriptive label to each
box.
Since OHAUS has no control over the choice of components, the manner in which
they are assembled, the use of this product, or the guns in which the resulting
ammunition may be used, no responsibility, either expressed or implied, is
assumed for the use of ammunition reloaded with this product.
IMPORTANT
Please read these instructions very carefully in order to obtain optimum results.
Save these instructions for future reference.
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com
www. .com information@itm.com1.800.561.8187