Biro AFMG-56-4 Service Manual
g
333-11-07-2
TABLE OF CONTENTS
Page
NOTICETOOWNERSANDOPERATORS......................................... 1
SAFETYTIPS............................................................... 2
INSTALLATION............................................................ 3-5
UNCRATINGANDSETUP................................................ 3
MOTOR WIRING AND ELECTRICAL REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . 4
MOTORSPECIFICATIONS ............................................... 4
OPERATION................................................................ 6
TOPROCESSPRODUCT ................................................ 6
CLEANING................................................................. 7
MAINTENANCE ............................................................. 8
GRINDINGBOWLINSTALLATION ......................................... 8
MIXINGPADDLEREMOVALANDINSTALLATION ............................. 9
LUBRICATION....................................................... 9-12
GEARREDUCERLUBRICATION........................................10,11
SPURGEARLUBRICATION...............................................12
MIXERDRIVEGEARADJUSTMENT.........................................12
AUGERDRIVEBELTTENSION............................................13
OPTIONALPNEUMATICFOOTSWITCH..........................................13
PARTSDIAGRAMS ........................................................14-24
FRONTVEWPARTSDIAGRAM............................................14
SIDEVEWPARTSDIAGRAM..............................................16
BACKVIEWPARTSDIAGRAM.............................................18
MIXERDRIVEASSEMBLY ................................................20
LIDHINGECOMPONENTS...............................................21
JOURNALBOXASSEMBLY...............................................22
PUSHBUTTONPLATECOMPONENTS......................................23
ELECTRICALSUBPLATECOMPONENTS....................................24
WIRINGDIAGRAM......................................................25
TANDEMOPERATIONILLUSTRATIONS.......................................26,27
SAFETYLABELLOCATIONS...................................................28
OPERATOR'SSIGNATUREPAGE................................................29
LIMITEDWARRANTY.........................................................30
ELECTRICAL SUBPLATE COMPONENTS ................................24-25
WIRING DIAGRAM..................................................26-27
TANDEM OPERATION ILLUSTRATIONS......................................28-29
SAFETY LABEL LOCATIONS..................................................30
OPERATOR’S NOTES..................................................... 31-32
OPERATOR’S SIGNATURE PAGE...............................................33
LIMITED WARRANTY.......................................................34
NOTICE TO OWNERS AND OPERATORS
WARNING to all purchasers, operators and operations supervisors: make certain every person
who is to operate the BIRO MODEL AFMG-56-4 MIXER GRINDER has read this manual before
attempting to operate machine. Have all operators sign the signature page found at the end of
this manual.
BIRO’s products are designed to process food products safely and efficiently. Unless the operator is properly trained and supervised, however, there is the possibility of a serious injury. It is the
responsibility of the owner to assure that this machine is used properly and safely, strictly following
the instructions contained in this Manual and any requirements of local law.
No one should use or service this machine without proper training and supervision. All operators should be thoroughly familiar with the procedures contained in this Manual. Even so, BIRO
cannot anticipate every circumstance or environment in which its products will be used. You, the
owner and operator, must remain alert to the hazards posed by the function of this equipment —
particularly the ROTATING GRINDING AUGER and the ROTATING MIXING PADDLE, which can
severely injure an inattentive operator amputating fingers and limbs. No one under eighteen (18)
years of age should operate this equipment. If you are uncertain about a particular task, ask your
supervisor.
This Manual contains a number of safe practices in the SAFETY TIPS section. Additional warnings are placed throughout the Manual. Warnings related to your personal safety are indicated by:
Warnings related to possible damage to the equipment are indicated by:
BIRO also has provided warning labels on the equipment. If any warning label or Manual becomes misplaced, damaged, or illegible, please contact your nearest Distributor or BIRO directly
for a replacement.
Remember, however, this Manual or the warning labels do not replace the need to be alert and
to use your common sense when using this equipment.
THE BIRO MANUFACTURING COMPANY
MARBLEHEAD, OHIO 43440-2099 U.S.A.
FAX (419) 798-9106
Phone (419) 798-4451
1
OR
– NOTE –
“A copy of this manual is included with each MODEL AFMG-56-4
AUTOMATIC FEED MIXER GRINDER.”
“The descriptions and illustrations contained in this manual
are not binding. The manufacturer reserves the right to introduce any
modification without updating the manual.”
SAFETY TIPS
ROTATING GRINDING AUGER & ROTATING MIXING PADDLE
TO AVOID SERIOUS PERSONAL INJURY
· NEVER Touch This Machine without Training and Authorization by Your Supervisor.
· DO NOT Operate or Work Around This Machine with Loose Fitting Clothing. It Could Become
Entangled in the Machine.
· NEVER Try to Manually Stop the Mixer. Always Wait Until the Machine has Completely Stopped
Before Trying to Manipulate a Position Change.
· NEVER Place Hands into Machine Input or Output Openings.
· NEVER Run Machine with Guards Removed.
· NEVER Open Machine During Operation.
· NEVER Overload the Hopper.
· ALWAYS Keep Excessive Amounts of Water Away from the Control Panel.
· ONLY Use a Qualified Electrician to Install According to Local Building Codes: Machine MUST
Be Properly Grounded.
· ALWAYS Connect to Proper Voltage & Phase.
· ONLY Install on Level, Non-Skid Surface in a Clean, Well-Lighted Work Area Away from
Children and Visitors.
· ALWAYS Lock Machine Castors After Moving This Machine.
· NEVER Use This Machine For Non-Food Products.
· NEVER Operate Machine With Product Mixer Safety Cover Open or Removed or Magnetic
Interlock Switch By-Passed. At Any Time an Operator Suspects that an Interlock or Safety
Device is Not Functioning Properly, the Operation Should be Terminated, the Machine
Unplugged and an Authorized Dealer Called to Inspect and Repair the Machine. Failure to
Follow These Steps Could Result in Serious Personal Injury.
· ALWAYS Turn Off, Unplug Machine From Power Source and Perform Lockout/Tagout
Procedure to this Machine BEFORE Attempting to Unjam or Unclog, Cleaning or Servicing
· NEVER Leave Machine Unattended While Operating.
· NEVER Alter This Machine From its Original Form as Shipped From Factory. DO NOT
Operate Machine With Missing Parts.
· PROMPTLY REPLACE Any Worn or Illegible Warning Labels.
· ALWAYS Read Operation and Service Manual BEFORE Operating, Cleaning, or Servicing.
·
USE ONLY BIRO Parts and Accessories Properly Installed.
2
INSTALLATION
TO AVOID SERIOUS PERSONAL INJURY, PROPERLY INSTALL
EQUIPMENT IN ADEQUATE WORK AREA
· ALWAYS Use Qualified Technician and Electrician for Installation.
· ALWAYS Connect to Proper Voltage & Phase.
· ALWAYS Install Equipment in Work Area with Adequate Light and Space Away From Children
and Visitors.
· ONLY Operate on a Solid, Level, Non-Skid Surface.
· ALWAYS Lock Machine Castors After Moving Machine to Operating Location.
· NEVER Bypass, Alter, or Modify This Equipment in Any Way From Its Original Condition.
· NEVER Operate With Product Mixer Safety Cover Opened or Removed or Magnetic Interlock
Switch by-Passed.
· NEVER Operate Without all Warning Labels Attached and Owner/Operator Manual Available to
the Operator.
UNCRATING AND SET UP
1. Read this Manual thoroughly before installation and operation. Do not proceed with installation and operation if
you have any questions or do not understand anything in this Manual. Contact your local Distributor, or BIRO
first.
2. Remove all banding, shipping carton, and all equipment from inside the tub. Then take machine off shipping
pallet.
3. This machine is shipped with the adjustable legs. The legs allow for a height adjustment from the floor to
centerline of bowl 27
7
8
" minimum to 36
7
8
" maximum with standard foot assembly.
4. This machine weighs approximately 1700 pounds. To avoid accidents block up machine after raising to desired
operating height.
5. The adjustable legs can be screwed in to lower the unit to the floor. CAUTION, DO NOT exceed 9" of exposed
threaded leg, if more height is required, contact your local distributor.
6. Install machine on a level, non-skid surface in a well-lighted work area away from children and visitors.
7. This machine is complete except for knife and plate. There is a bowl shipping plug placed in the output end of
the grinding bowl to retain the grinding auger during shipment. REMOVE THE BOWL SHIPPING PLUG AND
THE GRINDING AUGER.
8. After checking and making sure the power supply is correct, plug in your machine. NEVER OPERATE THIS
MACHINE WITH PRODUCT MIXER SAFETY COVER OPEN OR REMOVED. (Machine will not run with cover
open.)
9. Machine must be properly grounded. Use qualified electrician to install according to local building codes.
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MOTOR WIRING AND ELECTRICAL REQUIREMENTS
1. Interchange of current is made in motor outlet box. Leads are properly marked. Changing instructions are on
the motor plate or motor outlet box.
2. All grinders are wired 240 volts unless otherwise specified. Be sure motor specifications (voltage, cycle, phase)
match power supply line. Be sure line voltage is up to specification.
3. Electrical connections to be in accordance with safety codes and National Electrical Code.
4. Rated voltage of the unit shall be identical with full supply voltage.
5. Voltage drop on the supply line shall not exceed 10% of full supply voltage.
6. The feederline conductor size in the raceway from the branch circuit to the unit must be correct to assure
adequate voltage under heavy starting and short overload conditions.
7. The feederline conductor shall only be used for the supply of one unit of the relevant horsepower. For
connections of more than one unit on the same feederline, a local electrician will have to be consulted to
determine the proper conductor size.
8. The size of the electrical wiring required from the power source to the mixer grinder is a MINIMUM OF No. 6 Ga.
WIRE.
200-230 Volt 6 Gauge Wire
380-480 Volt 8 Gauge Wire
575 Volt 10 Gauge Wire
9. The BIRO Manufacturing Company is not responsible for permanent wiring, connection or installation
MOTOR SPECIFICATIONS
GRINDER MOTOR
HP VOLTS HZ PH AMPS
15 208 60 3 42.5
15 230 60 3 38.4
15 460 60 3 19.2
15 575 60 3 15
15 380 50 3 27.9
MIXER MOTOR
HP VOLTS HZ PH AMPS
5 208 60 3 14.6
5 230 60 3 13.2
5 460 60 3 6.6
5 575 60 3 5.2
5 380 50 3 9.6
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NOTE TO OWNER AND ELECTRICIAN: IF THIS MACHINE IS NOT CORD
AND PLUG CONNECTED TO THE ELECTRICAL SUPPLY SOURCE, THEN IT
SHOULD BE EQUIPPED WITH, OR CONNECTED TO, A LOCKABLE,
MANUALLY-OPERATED DISCONNECT SWITCH (OSHA 1010.147).
10. Remove the auger from bowl and hopper
11. Two sets of green and one red pushbuttons are located on the front of the machine that activate the magnetic
contactors that control the mix and grind motors. The magnetic interlock switch is mounted in the motor
compartment. When the safety cover is raised the machine will stop operation. NOTE: Before initial power is
applied for start-up, the product mixer safety cover must be lifted slightly (5" to 6") and closed again before
pushing the mixer start and/or grind start buttons.
12. Push the green start button for grind. CHECK THE ROTATION OF THE AUGER DRIVE SHAFT; ROTATION
MUST BE COUNTER-CLOCKWISE as indicated by the rotation decal affixed to the grinding bowl. ROTATION
MUST ONLY BE CHECKED WITH THE GRINDING AUGER REMOVED, otherwise serious irreparable damage
may occur to grinding components. Rewire if necessary at the plug.
13. Push the green start button for mix. CHECK ROTATION OF THE MIXING PADDLE; ROTATION MUST BE
COUNTER-CLOCKWISE as indicated by the rotation decal located on the paddle front mounting hub.
Backwards operation will not allow mixing paddle to feed product to the grinding auger. Rewire if necessary at
the plug.
14. If machine runs clockwise (backwards), it must be rewired to correct rotation, otherwise serious irreparable
damage may occur to grinding components. Both the auger and the mixing paddle must operate in the same
direction.
15. Insert auger assembly into grinding bowl, place knife (sharp edges out) onto the square end of the auger
assembly. The breaker plate slides over the worm knife drive pin, and is held from rotating by pins in the grinding
bowl. Install the retaining ring.
ONLY HAND TIGHTEN RETAINING RING
For best results, use knife and plate as a set. Do not operate machine for any period of time without product
in the grinding bowl. This will cause heating and dulling of the knife and plate.
16. Check placement of all warning labels and Manual. Machine is now ready for trained operators to process
product.
17. Use meat deflector attached to grinding bowl to eliminate meat splatter.
18. Contact your local Distributor or BIRO directly if you have any questions or problems with the installation or
operation of this machine.
5
OPERATION
ROTATING GRINDING AUGER & ROTATING MIXING PADDLE
TO AVOID SERIOUS PERSONAL INJURY
· ONLY Properly Trained Personnel Should Use This Equipment.
· NEVER Place Hands Into Machine Input or Output Openings.
· NEVER Open Machine During Operation.
· DO NOT Wear Gloves While Operating.
· DO NOT Tamper With, Bypass, Alter, or Modify This Equipment in Any Way From Its Original
Condition.
· NEVER Operate Machine With Product Mixer Safety Cover Opened or Removed or Magnetic
Interlock Switch By-Passed. If for Any Reason the Hopper Cover or Safety Switches Require
Adjustment or Replacement, Contact Your Local Authorized Distributor Immediately.
· ALWAYS Turn Off and Unplug Machine from Power Source and Perform Lockout/Tagout
Procedure to This Machine Before Unjamming, Unclogging, Cleaning or Servicing.
· NEVER Leave Unattended While Operating.
· NEVER Operate Without All Warning Labels Attached and Owner/Operator Manual Available to
the Operator.
A. TO PROCESS PRODUCT
1. Before starting mixer grinder, have a container for receiving ground product at the output end of the grinding
bowl.
2. FIRST GRIND
a. Fill Product Hopper (Maximum 400 Pounds), close Product Mixer Safety Cover. The paddle direction
selector switch must be in the grind direction.
b. Push both grind and mix green start buttons to feed first grind. It is recommended to use a breaker plate
with
3
8
" diameter or larger holes.
c. Push red stop button when all product has been ground out.
3. SECOND GRIND
a. Fill Product Hopper (Maximum 400 Pounds), close Product Mixer Safety Cover. If mixing is required the
paddle direction selector switch must be in the mix position. Thorough mixing can be done by turning the
paddle direction selector to mix and grind directions. During the mix operation seasonings may be added.
The mix position will move product to the back hopper wall.
b. Push the mixer paddle green start button only and depending on product and the temperature push the
red stop button after one to three minutes. Turn the paddle direction selector switch to the grind position
and push the mixer green start button only, product will move to the front hopper wall, then push the red
stop button and repeat by selecting the mix position or continue in the grind position.
c. Push the mixer paddle green start button and the auger green start button to feed first or second grind
out.
d. Push red stop button when all product has been ground out.
6
CLEANING
ROTATING GRINDING AUGER & ROTATING MIXING PADDLE
TO AVOID SERIOUS PERSONAL INJURY
· ALWAYS Turn Off, Unplug From Power Source and Perform Lockout/Tagout Procedures to
This Machine Before Cleaning or Servicing.
· ONLY Use Recommended Cleaning Equipment, Materials, and Procedures.
· NEVER Spray Water or Other Liquid Substances Directly at Motor, Power Switch or any Other
Electrical Components.
· ALWAYS Thoroughly Clean Equipment at Least Daily.
CLEANING THE BIRO MIXER GRINDER
1. Disconnect mixer grinder from power and air source and perform lockout/tagout procedures.
2. Remove grinding bowl end ring, breaker plate, knife and grinding auger.
3. Remove mixing paddles by first loosening the paddle lock set screw (located at the front of the machine). Then
turn the locking lever clockwise approximately ¼ turn to unlock the paddle shafts and remove them from the
hopper.
DO NOT POWER SPRAY DIRECTLY AT ELECTRICAL COMPONENTS
4. Machine is now ready to be cleaned using warm soapy water and rinsed with clean water. Machine may be
cleaned by power spray washing, taking care to not spray directly at any electrical controls.
5. The grinding head can be removed for cleaning if desired. This is accomplished by removing the three nuts on
the back flange of the grinding head.
6. After machine has been cleaned and allowed to air dry, all exposed metal surfaces should be coated with a good
food grade light oil or grease.
7
MAINTENANCE
ROTATING GRINDING AUGER & ROTATING MIXING PADDLE
TO AVOID SERIOUS PERSONAL INJURY
· ALWAYS Turn Off, Unplug from Power Source and Perform Lockout/Tagout Procedures to
This Machine BEFORE Servicing.
· NEVER Touch This Machine Without Training and Authorization By Your Supervisor
· NEVER Place Hands Into Machine Input or Output Openings.
· NEVER Bypass, Alter or Modify This Equipment in Any Way From Its Original Condition.
· PROMPTLY REPLACE Any Worn or Illegible Warning Labels.
· USE ONLY GENUINE BIRO Parts and Accessories Properly Installed.
A. GRINDING BOWL INSTALLATION
1. Mount the grinding bowl on the three threaded studs on the front of the machine. Tighten in position with
provided nuts.
2. Place the grinding auger in the grinding bowl and fully seat rear drive tang into auger drive shaft.
3. Install knife, breaker plate and end retaining ring.
ONLY HAND TIGHTEN RETAINING RING
4. When the bowl assembly is mounted and tight, there should be approximately
1
8
" gap between the back
inside wall of the grinding trough and the back of the auger. The bowl ring wrench which is provided with
each mixer grinder is used only for REMOVAL of the end retaining ring for cleaning purposes or for changing
knife and breaker plate.
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B. MIXER PADDLE REMOVAL AND INSTALLATION
1. The BIRO MODEL AFMG-56-4 mixer paddles are timed to allow for proper mixing action.
2. PADDLE REMOVAL:
Remove mixing paddles by first loosening the paddle lock set screw (located at the front of the machine).
Then turn the locking lever clockwise approximately ¼ turn to unlock the paddle shafts. Remove paddle
shafts by first sliding them towards the front of the machine and then lifting them out of the hopper.
3. PADDLE INSTALLATION:
The mixing paddles will only fit on its corresponding drive hub. To install paddle shafts first insert the drive
end of the paddle shaft into or onto the drive hub and slide toward the back hopper wall. Then insert the lock
arm assembly turning the lock arm into place and finally tightening the paddle lock set screw.
C. LUBRICATION
1. MOTORS: The mix and grind motors have pre-lubricated bearings. These bearings should be re-lubricated
annually with a good grade of bearing grease. Do not over-grease.
2. BEARING HOUSING: The main bearings are housed in an enclosed and sealed journal box. Re-lubricate
semi-annually with a good grade of bearing grease. Do not over-grease. This may cause seal damage.
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