Biro 8-12 Service Manual
MODELS 8-12 AND 8-22
Starting with Serial No. 5200, No. C84001 with Chain Drive
and No. C84859 with HTD Drive Belt
Note: This Catalog does not pertain to 8-12/8-22 with Plastic Gears
PTCT
8-12/8-22
No. C657-111
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IMPORTANT NOTICE
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This Manual contains important
safety instructions which must
be strictly followed when using
this equipment.
Biro Designed Biro Built
GRINDER PARTS LIST
GENERAL INSTRUCTIONS
TABLE OF CONTENTS
Page
NOTICE TO OWNERS AND OPERATORS ......................................... 1
SAFETY TIPS ............................................................... 2
INSTALLATION ............................................................. 3
UNCRATING AND SET UP ................................................... 3
MOTOR WIRING AND ELECTRICAL REQUIREMENTS .............................. 4
ELECTRICAL CONTACTORS ................................................. 4
OPERATION ................................................................ 5
TO PROCESS PRODUCT .................................................... 5
CLEANING ................................................................. 6
MAINTENANCE ............................................................. 7
HIGH TORQUE DRIVE SYSTEM ............................................... 7
BEARINGS ............................................................... 7
TRAY AND CASE PARTS DIAGRAM .............................................. 8
TRAY AND CASE PARTS LIST AND PARTS ORDERING............................... 9
BOWL, FRAME AND MOTOR PARTS DIAGRAM.....................................10
BOWL, FRAME AND MOTOR PARTS LIST AND PARTS ORDERING .....................11
WIRING DIAGRAMS ........................................................12-13
OPERATOR’S NOTES ........................................................14
OPERATOR’S SIGNATURE PAGE................................................15
LIMITED WARRANTY .........................................................16
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 WORM, 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 TIP section. Additional warnings are placed throughout the Manual. Warnings related to your personal safety are indicated by:
Warnings related to possible damage 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.
This Manual applies to machines with serial number 5200 AND C84001 and higher with chain
drive and serial number C84859 and higher with HTD drive belt.
1
NOTICE TO OWNERS AND OPERATORS
OR
– NOTE –
“A copy of this manual is included with each MODEL 8-12/8-22 Grinder.”
“e descriptions and illustrations contained in this manual are not binding.
e manufacturer reserves the right to introduce any modification without updating
the manual.”
SAFETY TIPS
ROTATING GRINDING WORM
TO AVOID SERIOUS PERSONAL INJURY
NEVER Touch This Machine Without Training and Authorization By Your Supervisor.
NEVER Place Hands Into Machine Input or Output Openings.
NEVER Open Machine During Operation.
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.
NEVER Use This Machine For Non-Food Products.
NEVER Operate Machine With Tray Removed.
ALWAYS Turn Off, Unplug 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 Parts Missing.
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.
NEVER Bypass, Alter, or Modify This Equipment in Any Way From Its Original Condition.
NEVER Operate With Tray Guard Removed.
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. Install machine on a level, solid, non-skid surface in a well-lighted work area away from children and visitors.
3. This machine is complete except for a knife and plate. There is a bowl shipping plug (stamped steel) placed in
the output end of the grinding bowl to retain the grinding worm during shipment. REMOVE THE BOWL
SHIPPING PLUG AND THE GRINDING WORM.
4. After checking and making sure the power supply is correct, plug in your machine. NEVER OPERATE
MACHINE WITHOUT TRAY INSTALLED.
5. Machine must be properly grounded. Use qualified electrician to install according to building codes.
6. A toggle switch that activates the internal on/off switch is located on the front of the machine.
7. Lift the toggle handle up to “ON” position. CHECK THE ROTATION OF THE WORM 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 WORM REMOVED, otherwise serious
irreparable damage may occur to grinding components. Push down to “OFF” position.
3
8. If machine runs clockwise (backwards), it must be rewired to correct rotation, otherwise serious irreparable
damage may occur to grinding components.
9. Check that the grinding bowl is properly seated and that the bowl lock assembly is tight. Insert worm assembly
into grinding bowl, place knife (sharp edges out) onto the square end of the worm assembly. The breaker plate
slides over the worm knife drive pin, and is held from rotating by pins in the grinding bowl. Put on 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.
10. Check placement of all warning labels and Manual. Machine is now ready for trained operators to process
product.
11. Contact your local Distributor or BIRO directly if you have any questions or problems with the installation or
operation of this machine.
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. Electrical contactor mounted on machine frame must also be
changed to match motor voltage.
(2) All grinders are wired for the voltage as ordered. 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 BIRO Manufacturing Company is not responsible for permanent wiring, connection or installation.
ELECTRICAL CONTACTORS
(1) All 1 HP motors are dual voltage and can be changed according to wiring diagram on motor nameplate.
(2) Be sure AEG Contactor voltage matches voltage of motor.
(3)
Failure to use proper AEG Contactor for motor voltage will cause irreparable damage to contactor.
(4) Install proper plug on power cord for voltage used.
4
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).
A. Item No. C903 Contactor LS07-110V
1HP, 104-60-1
1HP, 115-60-1
1HP, 380/415/440-50/60-3 with C904 transformer
B. Item No. C903-1 Contactor LS07-220V
1HP, 220-50/60-3
1HP, 208/230-60-1
1HP, 240-50-1
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