Yamato Combination Scale: Beginner s Guide Insight

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April 27, 2026

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The Combination Scale

A Beginner’s Guide to Basic Combination Scale

Principles and Practices

Yamato

The Combination Scale

Beginner’s Guide to Basic Combination Scale

Principles and Practices

Yamato

Beginner’s Guide

Presentation will focus on:

Set-up of your new Yamato scale for operation

Achieving superior results in both speed and weight accuracy

Procedures for clean out of the scale for end-of- production or product changeovers

Accomplishing routine tasks such as emptying

buckets, adjusting vibrators, setting up programs etc. 3

Yamato

Yamato Combination Scale

• Although Yamato scales come

in a wide variety of models and

sizes, in most cases the

construction of the scales is

identical

• Yamato scales can be equipped

to handle many different types

of products ranging from

frozen foods to snack foods to

even hardware items

Yamato

Data Plate

What’s on the plate:

1. Model number

2. Serial number

3. Weight range

4. Max speed

5. Power requirements

Here is an example of what the model number stands for: ADW-714SV

Bucket Size & Maximum Pack Volume (in liters using a 4 bucket combination) Number of Weigh Heads (2 digits)

Bucket/ Feeder Configuration

Material Specification i.e., Dustproof, Waterproof, Versatility Yamato

Scale Components

TOP CONE

FEED BUCKET

WEIGH BUCKET

COLLATING CHUTE

COLLECTION GATE

COLLATING FUNNEL

MEMORY BUCKET

(ADW-xxxMx ONLY)

LINEAR FEEDER

LINEAR FEEDER PAN

WEIGH LEVEL SENSOR

MAIN FEEDER

MEMORY/

ACTUATOR UNIT

(ADW-xxxMx ONLY)

WEIGH/

ACTUATOR UNIT

Yamato

Scale Components

• Tower

• AICC-SE (Advanced

Interactive

Command Console

Second Edition)

• Common Bed

Yamato

RCU-810A (AICC-SE)

Advance options available on controller:

• Multiple Languages

• Can store up to 300 programs

• Built in printer

Color Touch Screen:

• 10.4 inches of clear graphics

• Quick screen response

Yamato

Actuator Design

• Each head has its own self-

contained actuator

• Each actuator controls a weigh

bucket, feed bucket, linear

feeder and memory bucket (if

it is a memory type scale)

• Each actuator weighs the

product in a weigh bucket

• Any actuator is easily removed

and replaced

Yamato

Quiz No. 1

Identify The Numbered Components:

Yamato

How does the Yamato

Scale work?

When the scale is working it is

doing a process called CYCLE

One cycle consists of:

1.) Product is fed to the top of the

scale into the MAIN FEEDER

2.) Product by means of vibration

creates a circular motion vibrating

the product towards the LINEAR

FEEDERS

Yamato

How does the Yamato

Scale work?

Once the product is vibrated

to the LINEAR FEEDERS:

3.) The LINEAR FEEDERS by

means of vibration will move

the product forward towards

the FEED BUCKETS

4.) A certain amount of

product then is fed to the

FEED BUCKETS

5.) If the WEIGH BUCKETS

are empty and/or they require

more product, the FEED

BUCKET then will discharge

the product to the WEIGH

BUCKET

3 4

Yamato

6.) Once the product is in the WEIGH

BUCKETS it will get weighed and the

weight information is sent to the CPU

7.) The CPU will decide which buckets

according to their individual weight, to add

and select to complete the total TARGET

WEIGHT

Individual Weight

information to CPU

8.) Once the CPU finds a result on selected

WEIGH BUCKETS it discharges the product

to the packaging equipment

THE FINAL PRODUCT

DISCHARGE IS CALLED

COMBINATION

How does the Yamato Yamato

Scale work?

Introduction to Combination

Theory

Your Yamato scale weighs and

discharges product using a

process called combination

weighing

In this process, the finished dump

is made with a collection of

buckets called a combination

Yamato

What is a combination?

• A combination is a collection of

buckets holding a small portion of

the total weight (20-30%) required

for a single dump of the scale

• The computer selects the buckets,

whose weights added together,

equals the closest possible dump

to the required target weight

• If our target weight is 100 grams,

which of the buckets on the

drawing would give us the best

dump?

Yamato

The Best Combination

• In the example shown here the

best combination is obtained by

using buckets 2,4,7 and 9

• If you add up the weight held in

each of these buckets it exactly

equals 100 grams

31g

25g 20g

24g

Target wt = 100 grams

Yamato

The Next Best Combination

In the next example, every bucket on

the scale is holding exactly 200 grams

of product:

• What will be the best possible

combinations under these

circumstances?

• If you said 200 grams, you were

right. In this case the scale cannot

dump 100 grams because no

combination is available to do so

• In this case the scale will give the

next best result which would be

200 grams

200g

200g 200g

Target wt = 100 grams

Yamato

Overfeeding the Scale

• Over-feeding a scale results when

too much product is delivered to

the scale

• When this happens, the resulting

weights will be heavy and the

speed of the scale will drop

200g

200g 200g

Target wt = 100 grams

Yamato

Underfeeding the Scale

• In this example, the scale does not

have enough product to make

good combinations

• Even if all of the heads were used

it still would not have enough to

make the 100 gram target weight

• When this happens, the scale

must reload the buckets in order

to put more product in them

which takes time.

• This will result in heavier

combinations and substantially

slower speeds

2g 2g

Target wt = 100 grams

Yamato

Correct Feeding

• For most products, the scale is

correctly fed when the average

weight in the buckets is

approximately 1/3 to 1/5 the

intended target weight

• This results in the most accurate

weights and highest speeds

Target wt = 100 grams

Yamato

Quiz No. 2

Combination Theory

• What is a combination?

• What impact does product feed have on the scale’s ability to make good combinations?

• Which one of these affects the scale speed? under-feeding or over- feeding?

• How much of the target weight should be in each bucket for most products?

• If over-feeding a scale can create heavy weights will under-feeding a scale create under-weights?

• How do you keep a scale running at maximum speed with the best weight accuracy?

Yamato

Product Distribution

• Next to correctly feeding the

scale, making sure the product is

evenly distributed is the second

most important thing about

getting a scale to operate

efficiently

• Without proper product distribution

on the scale, the scale will not be

able to run at its maximum speed

capability

Yamato

Effects of Uneven Distribution

• Uneven distribution of product as

shown in this example severely

affects the scale’s ability to

perform

• Empty buckets, or even buckets

with only a small amount of

product in them, may be useless in

creating combinations

Yamato

Available Buckets vs.

Combinations

1 2

2 4

3 8

4 16

5 32

6 64

7 128

8 256

9 512

10 1024

11 2048

12 4096

13 8192

14 16384

A 14 head scale, with all buckets

available for combinations, has

16,384 mathematically possible

combinations

Remove just one bucket, and the

number of possible combinations

drops to 8,192

Remove two buckets, and it drops to

4,096

Yamato

Available Buckets vs.

Maximum Speed

10 50-60

12 70-80

14 110-120

A typical 14 head scale has a maximum speed

capability of 110-120 packs per minute

Remove just four heads, and the same scale’s

maximum speed capability drops to 50-60

packs per minute

Below ten heads, combination weighing is not

practical on a non-memory bucket scale

Yamato

• Single Shift is when every bucket on the scale can be selected for combination (max speed for single shift is around 45- 55 wpm)

• Double Shift is when the previous dumped buckets do not have enough time to refill and weigh before the next charge must be dumped

• When running Double Shift the scale typically only has 10 buckets to select a combination instead of all 14 (max speed for double shift is around 85-90wpm)

• Triple Shift is when the scale is running at such a high speed that the select buckets used in combination are not available for the next two cyles (if you want to run in triple shift all the time an 18 head scale is recommended)

Explanation of Single,

Double and Triple Shift

Yamato

Quiz No. 3

Product Distribution

• If the product on a scale is unevenly distributed, will the speed of the scale go up or down?

• How many empty buckets can be tolerated on a scale due to uneven product distribution?

• A customer wishes to run a product at 80 packs per minute on a 14 head scale. 5 of the buckets are empty because of the way the product is distributed. Will they be able to run at 80 packs per minute?

Yamato

Basic Operation

Beginner’s Guide to Access Level 1 & 2

for the Sigma Series Scale

Yamato

The Role of the Operator

• As a Yamato scale operator you

are a key part of the smooth

operation of your company’s daily

activities

• Although the exact responsibilities

will vary from company to

company, in most cases the

operator is responsible for the

setup, operation, product change

and cleanout of your packaging

line

Yamato

Typical Scale Operation

In normal operation, the product is

delivered to the scale by the customer’s

infeed

The operator selects the scale program to

run and begins auto operation

The scale will now weigh the product and

drop it into a machine below for packaging

When the product run is completed, the

operator puts the scale into cleanout mode

to remove any product remaining on the

scale

Yamato

Scale Startup Checklist

Check to make sure all buckets, chutes and pans

are in place

Turn on main power disconnect

Tare setting screen is first to appear. Rezero

buckets by Touching the start button. Also select

the Top cone (Distributor select)

Select desired program to run

Enter Automatic Operation

Touch start button to begin Automatic Operation

Yamato

Installing Buckets

Key points to remember

• Buckets need to be

locked closed when

installing or removing

them

• Buckets can be placed

on any actuator and

are not numbered

Yamato

Installing the Linear and

Main Feeder

In this example, the feeder pan must

be mounted in head #1 position –

the top 3 numbers identify the

scale’s serial number

*Some models will have the Top Cone

bolted on instead of a catch clip

**Top cone clip is always found by

actuator head #1

Yamato

Turning on Power

• Locate the yellow and red

plastic disconnect switch

• Disconnect switch is normally

mounted near the Controller in

easy reach of the operator

• Rotate the switch until it points

to the “12 o’clock” position

OFF

Yamato

First Screen After Power Up

1. Touch “START” button so the scale

zero all actuators

2. If no errors appear you can touch the

“RETURN” button to get to main menu

3. If you get a red Diamond that means

that the scale head is 10% from the

zero value of its calibration

4. Span calibrate that scale to clear error

Yamato

The Main Menu Screen

Tells what

program is

selected

Machine Model

Where you select

the appropriate

language

Access Level

Yamato

Steps to Rezero Scale

From the Main Menu screen touch the REZERO button

Yamato

The Rezero Screen

Anytime power has been turned off the scale, you MUST rezero the scale before using it in production.

To do this, touch the START button at the lower left corner of the REZERO screen

The scale will now open and close all of the weigh buckets- two at a time- until they are correctly zeroed

Touch

RETURN

when done

Yamato

Steps to Span Calibrate a

Scale Head

Note:

From the Main menu you

must be in access level 4 or a

separate password can be

given to get into span

calibration

Touch “initial calibration”

Yamato

Steps to Zero Calibrate a

Scale Head

Step 1

Select head you want to zero

Step 2

Step 3 Touch “Zero Calibration” button

Touch the START button

Yamato

Steps to Span Calibrate a

Scale Head

Step 1

Select head you want to calibrate

Step 2

Touch “Span Calibration” button

Step 4

Touch the START button

Step 3

Hang span weigh that is

correct for machine model on

weigh bucket

Span weight

Step 5

Remove Span weight and make sure that the

actuator goes back to 0.0 grams and does not drift more than +/- 1 gram

Note: If the Span weight does not appear on the actuator or if you get a then you must press the Start button until the span weight reads on the head. After touching the start button 3 or 4 times and the weight still does not appear then you will need to tell maintenance about it. Yamato

Selecting a Program

To select a program to run touch the PROGRAM NUMBER SELECTION button

Yamato

Program Selection Screen

Touch ENTER

to select program

Moves cursor UP

by one

Moves cursor

DOWN by one

Touch when finished

To select the program you want to run, touch the UP or DOWN arrows to move the highlighted cursor. When it is positioned over the program you want, touch the ENTER button. Touch the RETURN button to return to the Main Menu screen.

Yamato

Running Production

To run production touch the AUTOMATIC OPERATION button Yamato

The Automatic Operation

Screen

When you touch the start button the

scale will begin to fill buckets until full

and then show: “WAIT FOR DUMP”

unless bagger is turned on

Yamato

Quiz No. 4

• Before turning power on what should you do?

• Which bucket can be put on any head location – the weigh bucket or the feed bucket?

• Before beginning to run the scale in Automatic Operation what must you do?

• What must be seated and latched securely before running the scale?

Yamato

Exercise No. 1

• Demonstrate how you would inspect the scale prior to beginning operation

• Remove and reinstall two linear feed pans

• Remove and reinstall two feed buckets

• Remove and reinstall two weigh buckets

• Verify that the chutes and funnels are aligned and properly installed

Yamato

Product Changes or End

of Production

To empty out the scale for either product changes or finishing the production day touch the CLEAN OUT button

Yamato

Clean Out Screen

Touch the START button to begin cleanout of the scale, the scale will continue dumping until there is no more product on the top cone or in the buckets

Touch the

RETURN

button to

return to

the Main

Yamato

Alternate Way to Clean Out

Scale

Touch here to keep all buckets

open during cleanout

Touch the

RETURN

button to

return to

the Main

If you use open

“All BUCKET

OPEN” then

the buckets

hang open so

that the

operator can go

to the top of

the scale and

push out the

remaining

product

Yamato

Quiz No. 5

• What is the name of the screen used to run the scale?

• What screen is used to select a program?

• What MUST be done before using the scale in production?

• At the end of the day what screen can be used to remove all product from the scale?

• What is the RETURN button and what does it do?

• How do you stop the scale when it is running production? 51

Yamato

Exercise No. 2

• Demonstrate how to turn on power to the scale

• Demonstrate how to Rezero the scale before use

• Select a program and load it – verify that it has been loaded and is ready to run

• Change an existing program to a different one and verify that it is ready to run

• Demonstrate how to clean out

the scale after operation

Yamato

Main Adjustments Required

by Operators

Main responsibilities of an operator is to make sure the machine is running at top performance, which requires watching the machine while it is running to see what changes may be needed

Most products vary somewhat during the production day either by changing their weight, volume, surface characteristics etc., which will affect how they flow and behave on the scale

Operator is responsible to watch for these changes and compensate for them Yamato has incorporated a very easy way to monitor the scale performance and adjust it to compensate for product changes

Basically it involves two steps:

1. Watching the average number of buckets being used in combinations 2. Adjusting the linear feeders to keep the average number of buckets being used to the correct range

Yamato

3 to 5 Bucket Combinations

Each time the scale makes a dump of product

it is actually dumping a combination of

selected buckets

How many buckets the scale uses to make a

combination has a major impact on how well

it runs

If the scale is using more than 3-5 buckets

per combination, its weight accuracy may be

better but the speed will be much slower

If the scale is using less than 3-5 buckets per

combination, the weight accuracy will be

less but the speed will be higher

Experience has shown the best speed and

accuracy is achieved with most products by

using combinations with an average of 3-5

buckets

Yamato

Auto Operation A & B

Windows

To allow an

operator to

adjust the

scale while

running,

Yamato has

built-in to the

Automatic

Operation

screen two

special

windows

The “A”

window

contains

information

telling you

how the scale

is running

The “B”

window

holds

various

settings

that can be

changed

while

running

If you touch either the A or B window you will see that the contents of the windows will ZOOM. Each window actually contains several smaller windows for you to choose from. However to be able to change anything in the B window you must first ZOOM it then make the change and then minimize it.

Yamato

Vibratory Feeders

Looking at the top of the scale,

there are two types of feeders-

the main feeder under the top

cone – and the linear feeders

Main Feeder

Linear Feeders

The main feeder’s job is to break

up the pile of product which

lands on the top cone causing it

to spill out onto the linear

feeders

The linear feeder’s job is to

move the product from the

center of the scale out to the

feed buckets

Yamato

Amplitude and Time

Both the main feeder and linear feeder vibrators have two settings which can be adjusted by the operator while the scale is in production AMPLITUDE

This is the intensity of the vibration and is figured in % with a range of 1 to 99. 99 which is full power, 1 is the lowest power setting

TIME

This is the amount of time the vibrator is on and is measured in milliseconds (one millisecond (ms) =1/1000 of a second) so setting a feeder to shake for half a second would be a setting of 500ms Finding the right values for these settings from scratch is a trial and error process. When your scale was installed the technician should have created the first programs for you. From that point on all you have to be concerned with is minor daily changes in the settings.

Yamato

Feeder Settings vs.

Combinations

Amplitude settings (MAIN FEEDER AMP

and LINEAR FEEDER AMP) are generally

set to keep product moving (many products

generally have a setting between 50 and 75)

Hard-to-move products may require higher

amplitudes

The time setting for the Main Feeder (MAIN

FEED TIME) is set by trial and error to a

point where the product flows easily onto the

linear feeder pans whose values may range

from 200 to 350ms

The time setting for the Linear Feeders (LINEAR FEED TIME) is set by trial and error according to how much product is being held on average in the weigh buckets

Remembering that 3-5 buckets per combination is the ideal setting for most products, this means that we would like to have 1/3 to 1/5 our target weight in each bucket. Yamato

Adjusting Number of Buckets

Used in Combinations

• While the scale is running, the most important adjustment the operator can make is to adjust the scale to use the right number of buckets in its combinations

• This is done by watching the average number of buckets used per combination and adjusting the linear feeders up or down to maintain the average between 3 and 5 buckets

• To do this, the operator watches a parameter in the Auto Operation

“A” window called AVE WEIGH HEAD

Yamato

Average Weigh Head

The AVE WEIGH HEAD number is found on the AUTO OPERATION screen in the top A window

Note: Remember because the A window is a display only- the number itself cannot be changed. Yamato

Which Way to Adjust the

Linear Feeders

For most products, the best

scale performance is

achieved when the AVE

WEIGH HEAD number is

between 3.0 and 5.0

If this number is greater than 5.0, it

means there is NOT ENOUGH

product in the weigh buckets

To correct this we need to RAISE the

linear feeder AMP or TIME or both

If this number is less than 3.0, it means there is TOO MUCH product in the weigh buckets

To correct this we need to LOWER the linear feeder AMP or TIME or both

Yamato

Making the Linear Feeder

Adjustment

After you have decided which

way you need to change the

linear feeders, touch the linear

feeder control window to

ZOOM it to full size and

change the LINEAR

FEEDERS AMP setting up or

down

After changing it, touch the

window again to have the

change take effect

Watch the scale for a few

minutes looking at the AVE

WEIGH HEAD number

You may have to change the

linear feeder settings more

than once to get the correct

number of buckets per

combination

Yamato

Verifying Correct Operation

When the linear feeders are

set correctly, watching the

pack weight screen should

show virtually every dump

with the ACCEPT button

lit.

If the OVER button is lit frequently, there is TOO MUCH product in the buckets

If the UNDER button is lit frequently, there is NOT ENOUGH product in the buckets

If the window bounces back and forth between

UNDER and OVER it usually means there is NOT

ENOUGH product in the buckets

Yamato

Quiz No. 6

• Why do you need to make adjustments to the scale while it is running?

• What is the single most important parameter to watch while the scale is running production?

• Which of the two inner windows on the Auto Operation screen contains settings that can be changed?

• The AVE WEIGH HEAD number on the screen while running product is 7.6, what feeder adjustment is required to make the scale run correctly?

• To lower the amount of product in the weigh buckets would you raise or lower the linear feed time?

Yamato

Exercise No. 3

• Select a program and start the scale with product

• Demonstrate how to find out how many buckets are being used to make combinations

• Demonstrate how to find the pack weight screen

• Observe the AVE WEIGH HEAD number and raise the

linear feed AMP to 99 and explain what happens

• Observe the AVE WEIGH HEAD number

and lower the linear feed AMP to 10 and

explain what happens

Yamato

Manual Operations

At times it is necessary to manually operate a particular bucket, feeder or other device on the scale

To do this, the operator uses the MANUAL OPERATION screen To access this screen, touch the MANUAL OPERATION button on the main menu

Yamato

Manual Operation Screen

The left side of

the screen

contains a graphic

picture of the

scale

This is used to

select individual

heads or groups of

heads

The center portion of the screen has pictures of the various buckets and feeders on the scale

These are used to select which bucket or feeder you wish to operate

The right side

of the screen

contains buttons

for the various

actions you can

perform with

the buckets and

feeders

Yamato

Selecting Which Head to

Operate

To select any one weigh head,

touch the “pie” shaped segment

to highlight it

Touching more than one “pie”

shaped segments you will select

them individually

To select ALL scale weigh

buckets, touch the SELECT ALL

WEIGH BUCKET button in the

top left corner of the scale

graphic

Top right corner is to select all

memory buckets

Yamato

Selecting a Bucket or Feeder

Touch the top cone to

operate the Main FEEDER.

(It is not necessary to

select a head from the

scale graphic to do this)

Touch the LINEAR FEEDER

button to select a linear feeder

to operate (You must first

select a desired head from the

Touch the FEED BUCKET scale graphic)

button to select a feed

bucket to operate (You must

first select the desired head

number from the scale

graphic)

Touch the weigh bucket button to select a weigh bucket to operate (You must first select a head number from the scale graphic UNLESS the SELECT ALL WEIGH

BUCKETS button was used)

Touch memory bucket button to select memory bucket to operate

**This button only is there when a memory scale is selected Touch the

COLLECTION

BUCKET button to

cycle the bucket. It

is not necessary to

select a head to

cycle this bucket.

Yamato

Operating a Bucket or Feeder

This button will show

you how much the

weigh cell has drifted

from the initial zero

calibration

Used to manually rezero an

individual weigh head, which does

the same thing as the REZERO

screen except it works only on the

buckets selected from the scale

Used by operators to graphic

clear an ACTUATOR

ERROR, this error

occurs when a bucket

gets jammed with

product or is hung

incorrectly on the

machine

Performs a CYCLE operation

which cycles all buckets and the

linear feeder for a selected head

If the CONTINUOUS button is

selected, the bucket or feeder will

continue cycling until it is stopped

by the operator by touching the

STOP button in the lower left hand

corner of the Manual screen

Operators should never touch this button it is

to change the frequency of the Linear Feeders

Yamato

Manual Operation Examples

TO OPERATE THE MAIN FEEDER (MVF):

STEP 1

Touch Main

Feeder button.

STEP 2

Touch the START button to

cycle the MVF

You can not select

CONTINUOUS

when running the

MVF.

Yamato

Manual Operation Examples

TO OPERATE A SELECTED LINEAR FEEDER:

STEP 1

Select desired

head by touching

screen graphic

STEP 2

Select linear

feeder button

STEP 4

Touch the START button to

cycle the feeder

STEP 3

Select

CONTINUOUS to

have the feeder

cycle continuously

Yamato

Manual Operation Examples

TO OPEN AND CLOSE A SELECTED FEED BUCKET:

STEP 1

Select desired

head by touching

screen graphic

STEP 2

Select feed

bucket button

STEP 4

Touch the START button to

cycle the bucket

STEP 3

Select

CONTINUOUS to

have the bucket

cycle continuously

Yamato

Manual Operation Examples

TO OPEN AND CLOSE A SELECTED WEIGH BUCKET:

STEP 1

Select desired

head by touching

screen graphic

STEP 2

Select weigh

bucket button

STEP 3

Select

CONTINUOUS to

have the bucket cycle

continuously

STEP 4

Touch the START button to

cycle the bucket

Yamato

Manual Operation Examples

TO OPERATE A GROUP OF SELECTED LINEAR FEEDERS:

STEP 1

Select desired

linear feeders by

touching screen

graphic

STEP 2

Select linear

feeder button

STEP 4

Touch the START button to

cycle the feeders

STEP 3

Select

CONTINUOUS to

have the feeders

cycle continuously

Yamato

Manual Operation Examples

TO OPEN AND CLOSE A GROUP OF SELECTED FEED BUCKETS: STEP 1

Select desired

heads by

touching screen

graphic

STEP 2

Select feed

bucket button

STEP 4

Touch the START button to cycle the bucket

STEP 3

Select

CONTINUOUS

to have the

buckets cycle

continuously

Yamato

Manual Operation Examples

TO OPEN AND CLOSE A GROUP OF SELECTED WEIGH BUCKETS: STEP 1

Select desired

heads by

touching screen

graphic

STEP 2

Select weigh

bucket button

STEP 4

Touch the START button to cycle the bucket

STEP 3

Select

CONTINUOUS

to have the

buckets cycle

continuously

Yamato

Manual Operation Examples

TO REZERO THE MAIN FEEDER (MVF):

STEP 1

Select the Main

Feeder button

STEP 2

Select weigh

bucket button

STEP 3

Select REZERO

button

STEP 4

Touch the START button to rezero bucket

Yamato

Manual Operation Examples

TO REZERO A SELECTED WEIGH BUCKET:

STEP 1

Select desired

head by touching

screen graphic

STEP 2

Select weigh

bucket button

STEP 3

Select REZERO

button

STEP 4

Touch the START button to rezero bucket

Yamato

Manual Operation Examples

TO REZERO A GROUP OF SELECTED WEIGH BUCKETS:

STEP 1

Select desired

heads by

touching screen

graphic

STEP 2

Select weigh

bucket button

STEP 3

Select REZERO

button

STEP 4

Touch the START button to rezero buckets

Yamato

Manual Operation Examples

TO PERFORM AN ORIGINAL POINT ON A SELECTED FEED BUCKET: STEP 1

Select desired

head by touching

screen graphic

STEP 2

Select feed

bucket button

STEP 3

Select

ORIGINAL

POINT button

STEP 4

Touch the START button to perform an

original point

NOTE: This procedure is

used to clear an

ACTUTAOR ERROR –

refer to the machine errors

section for more information

Yamato

Manual Operation Examples

TO PERFORM AN ORIGINAL POINT ON A GROUP OF SELECTED FEED BUCKETS:

STEP 1

Select desired

heads by

touching screen

graphic

STEP 2

Select feed

bucket button

STEP 3

Select

ORIGINAL

POINT button

STEP 4

Touch the START button to perform an

original point

NOTE: This procedure is used

to clear an ACTUTAOR

ERROR – refer to the machine

errors section for more

information

Yamato

Manual Operation Examples

TO PERFORM AN ORIGINAL POINT ON A SELECTED WEIGH BUCKET: STEP 1

Select desired

head by touching

screen graphic

STEP 2

Select weigh

bucket button

STEP 3

Select

ORIGINAL

POINT button

STEP 4

Touch the START button to

perform an original point

NOTE: This procedure is used to

clear an ACTUTAOR ERROR –

refer to the machine errors

section for more information

Yamato

Manual Operation Examples

TO PERFORM AN ORIGINAL POINT ON A GROUP OF SELECTED WEIGH

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