Greenbroz MODEL G User manual

THE MODEL G
User Manual
GreenBroz.com

TABLE OF CONTENTSTABLE OF CONTENTS
Safety Information ......................................................................................................3
Introduction ................................................................................................................4
Machine Parts Identifier ..............................................................................................5
Machine Accessories and Guards Identifier..................................................................6
Technical Specifications................................................................................................7
Unpacking and Installation ..........................................................................................7
Unpacking.........................................................................................................................7
Control Box Installation....................................................................................................8
Sifting Cart and Screen Installation..................................................................................9
Grinding Medium & Blades Installation & Details .........................................................12
Hopper Installation & Details..........................................................................................13
Removable Accessories Installation & Details................................................................14
Locking Castors Adjustment..........................................................................................16
Machine Operation & Details.....................................................................................17
Shut Down......................................................................................................................19
Cleaning and Sanitation.............................................................................................20
Removable Machine Accessories ..................................................................................21
Machines Cart and Frame ..............................................................................................21
Grinding Blades Assembly .............................................................................................23
Grinding Medium Assembly............................................................................................24
Sifter Cart Assembly .......................................................................................................24
Troubleshooting.........................................................................................................25
Maintenance..............................................................................................................28
Checking Bearings and Bearing Housings.....................................................................28
Pulley Belt Replacement ................................................................................................31
Modular Systems.......................................................................................................32
Warranty Registration...............................................................................................33

SAFETY INFORMATIONSAFETY INFORMATION
Dress Code
1. No open-toed shoes or high heels allowed. To provide secure footing, choose shoes with
softer soles and stable platforms. Wearing appropriate footwear will help protect feet
from falling components.
2. No loose clothing allowed. This includes but is not limited to ties, scarves and loose-
sleeved shirts.
3. Remove all jewelry that could be caught in moving machinery. This includes rings and
loose bracelets. Remove necklaces and the like, if not securely restrained.
4. Restrain all hair, including beards, that has potential for entanglement with moving
machinery.
NEVER supply power to the machine if it is without any of its guards or hopper.
NEVER put hands or arms near the machine during operation.
HIGHLY recommended to be operated in conjunction with a GreenBroz Rise Conveyor.
CAUTION
BURN HAZARD
The motors and other moving parts or guards may heat up during
operation. Give the machine time to cool before cleaning or servicing.
CAUTION
HAZARDOUS VOLTAGE
Use precautions when plugging and unplugging the machine and
components from any power sources.
CAUTION
OSCILLATING MECHANICAL PARTS
Moving machine parts have the potential to cause severe injury or death.
All machine components must be fully secured before operation and are
essential for protecting users. Never place hands or other body parts near
the machine during operation
CAUTION
ROTATING MECHANICAL PARTS
Rotating machine parts have the potential to cause severe injury or death.
All components must be fully secured before operation and are essential
for protecting operators. Never place hands or head near the machine
during operation.
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Safety Information ......................................................................................................3
Introduction ................................................................................................................4
Machine Parts Identifier ..............................................................................................5
Machine Accessories and Guards Identifier..................................................................6
Technical Specifications................................................................................................7
Unpacking and Installation ..........................................................................................7
Unpacking.........................................................................................................................7
Control Box Installation....................................................................................................8
Sifting Cart and Screen Installation..................................................................................9
Grinding Medium & Blades Installation & Details .........................................................12
Hopper Installation & Details..........................................................................................13
Removable Accessories Installation & Details................................................................14
Locking Castors Adjustment..........................................................................................16
Machine Operation & Details.....................................................................................17
Shut Down......................................................................................................................19
Cleaning and Sanitation.............................................................................................20
Removable Machine Accessories ..................................................................................21
Machines Cart and Frame ..............................................................................................21
Grinding Blades Assembly .............................................................................................23
Grinding Medium Assembly............................................................................................24
Sifter Cart Assembly .......................................................................................................24
Troubleshooting.........................................................................................................25
Maintenance..............................................................................................................28
Checking Bearings and Bearing Housings.....................................................................28
Pulley Belt Replacement ................................................................................................31
Modular Systems.......................................................................................................32
Warranty Registration...............................................................................................33

INTRODUCTIONINTRODUCTION
The Model G Precision Grinder is utilized in your post-harvest processing of hemp and cannabis.
The Model G de-stems, grinds and sifts, it is the first machine of its kind that gives users
complete control of their finished product with perfect consistency. The G’s low RPM grinding
preserves trichomes and separates stems from material simultaneously.
The G is composed of two primary functions identified as grinding and sifting assemblies. Each
function has independent speed control and can be utilized in unison or individually. This allows
complete customization in the processing of your product. Both assemblies are fully customizable
with 3 interchangeable screens sizes, 1/8”, 5/32” and 3/16”. Functions can be manipulated
and adapted further by utilizing the semi-automatic angle control via electric actuator.
INPUT VARIABLES
Variable Effects Option #1 Option #2
Speed of
the blades
Machine
Torque
RPMs
Number of
stems in your
biomass
Throughput
per hour
The SLOWER the grinding equates
to higher torque and increased
stem removal. Slower RPMs allow
buds more time to align with the
face of the blade, keeping them
intact. HOWEVER, there would be
less throughput.
The FASTER the grinder rotates,
the less torque it has, and the more
often it will cease (keep in mind,
ceasing is not an issue as long as
the machine is not ceased up for an
extended period). The higher RPM
gives the buds less time to align with
the grinding blades and, in turn, will
break more stems, putting them into
the final product.
Size of
perforated
metal
pieces
(sifting
screen)
Size of final
grind
Percentage of
stems in final
grind
The smaller the perforated metal
holes, the smaller your final
product will be. The smaller holes
will also be more effective at
removing stems. However, you will
have less throughput.
The larger the perforated metal
holes, the larger your final product.
The larger holes will be less effective
at removing stems. However, you will
have a higher throughput
Humidity
level of
material
Number of
stems in your
biomass
Grind
consistency
INCREASING the humidity level
of your biomass will DECREASE
the number of stems in the final
output. This is because dry stems
snap and fall apart instead of
bending and staying intact.
DECREASING the humidity level will
INCREASE the number of stems in
the final output. If your material turns
into a paste, instead of being ground,
it is too wet.
Angle
of the
grinding
volume
relative to
machine
markings
Number of
stems in your
biomass
Throughput
per hour
INCREASING the angle of the
machine (going from 0 to 5,
for example) will DECREASE
the number of stems in your
final output. This is because the
material will be ground for a
smaller amount of time.
DECREASING the angle of the
machine (going from 5 to 0) will
INCREASE the amount of stems in
your final output. This is because the
material will be ground for a longer
period of time.
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MACHINE PARTS IDENTIFIERMACHINE PARTS IDENTIFIER
1. Hopper – Quickly detachable from the Grinding Blades Assembly for cleaning.
2. Grinding Blades Assembly – Motor driven assembly that is fed by the hopper.
3. Grinding Medium Assembly –Adjustable assembly for determining grind size. It is sandwiched
between the blade and frame assemblies.
4. Sifter Cart – Oscillating cart below the Grinding Medium used as a secondary filtering process.
5. Perforated Metal Inserts – Quickly replaceable for custom final product and easy cleanability.
6. Grinding Frame – Everything gets fixed to this frame for operation via four studs.
7. Secondary Emergency Stop – The machine comes with an emergency stop on both sides of the
cart to ensure the operator can immediately always halt operations.
8. Locking Castors –The cart is easily movable and quickly lockable via these wheels.
9. Control Box – Removable machine interface that the operator uses to control the machine.
(not shown)
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(1)
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(2)
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MACHINE ACCESSIRIES AND GUARDS IDENTIFIERMACHINE ACCESSIRIES AND GUARDS IDENTIFIER
1. Pulley Guard – Provides protection from the spinning pulleys for the sifter mechanism’s spinning
pulleys.
2. Motor Guard – Provides protection against the hot motor and sections of the grinding mechanism.
3. Wire Guard – Provides protection against (and for) the actuator and shielded wires.
4. Stem Catch – Catches the rejected material from the grinding volume. Tabbed for quick removal
and reinstallation, so operation interruption is kept to a minimum.
5. Ramp – Catches the ground material falling from the sifter cart and funnels into a container.
6. Shelf – Variable slot heights allow for different sizes of containers to be placed closely under the
ramp.
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TECHNICAL SPECIFICATIONSTECHNICAL SPECIFICATIONS
k
Capacity: Grinds 75 Kg/hr (100 lbs/hr)
Approx. Dimensions:
127cm (50”) x 92cm (36”) x 135cm (53”)
Weight: 136 Kg (300 lbs)
Voltage: 110V (220V upon request)
Power: 1/4HP Grinding Motor
1/15HP Sifting Motor
110lb 24V Actuator
UNPACKING & INSTALLATIONUNPACKING & INSTALLATION
Details:
• Remove the machine from shipping crate by unscrewing 4 cart brackets placed on the
sides of machine and remove all surrounding plastic and tape.
• Remove any additional packaging material from the machine.
• Ensure that the machine is on a level surface and wheels are locked in position.
Actuator Shipping Brace Removal:
• To install the actuator, you will need to remove the black plastic shipping brace. The
actuator mount and brace are located on the machine axis and are visible from the front
of the unit.
• Remove the two quick pins by lightly pressing the front of the frame down and pulling
pins out.
• The plastic brace will fall out and can be discarded.
• Grab the electric actuator secured next to the plastic brace and align top and bottom
mounting points.
• Reinstall pins into top and bottom of actuator.
• Once fixed in place, the actuator is connected and ready for use.
Environmental Conditions:
0°C - 40°C (32°F - 100°F)
5% - 95% Relative Humidity
0m – 2000m Elevation (0ft – 6000ft)
Cleaning specifications: Included in
cleaning and sanitation section of manual.
Construction: Made up of food safe materials
Surgical 316 stainless steel
Food safe HDPE & UHMW plastic
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UNPACKINGUNPACKING

CONTROL BOX INSTALLATION
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Do not plug this box into a power source until all cables
have been fully fixed to their respective plugs and
all assemblies and accessories are installed. Rotating
equipment and pinch points can cause serious injury.
1. The control box is a 25cm (10”) x 30cm (12”) x 15cm (6”) electrical box that is required
for the operation of the machine. The box is not designed to get wet, so it can be quickly
removed for cleaning. No hardware or tools are required.
a. As seen below, the cart of the grinder has a bracket on the left-hand side that is used
to hold the control box. Simply slide the bracket between the gap on the back of the
box. Be careful not to bend or pinch any of the cables.

CONTROL BOX INSTALLATION
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2. The box will have three yellow communication lines and a black power cable. The yellow
connections vary based on the number of pins included on the connections.
a. The box has 4-pin, 5-pin, and 6-pin connectors that coincide with the three female
connections on the left side of the table. Each of the cables can only fit into its
corresponding connection. It is not possible to connect the box to the table
incorrectly.
b. Do not plug the machine into a power source until all three yellow cables have been
fixed to their respective plugs on the table.
SIFTING CART & SCREEN INSTALLATION & DETAILS
There are motorized components on this machine that can cause
severe injury. When installing or removing ANY components or
assemblies, ensure that the machine has an active emergency stop
and is unplugged from any power source.
The Sifting Cart is held in a roller track on the Grinding Frame and fixed to the Crank Arm in
the Mechanical Housing via the short ¼” quick release pin provided for toolless installation.

Caution: Never power the sifters motor when the sifter
cart is not installed, damage to the machine can occur.
Before installing the cart assembly, first, make sure the Crank Arm is centered in the slot of
the plastic guard, as shown below. It must be centered; otherwise, the cart and crank will
not align properly. If it doesn’t effortlessly slide into the slot, see troubleshooting section for
instructions.
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SIFTING CART & SCREEN INSTALLATION & DETAILS
Sifting tray installation instructions:
Begin installation by placing the leading edge of your sifting screen under the hardware
at the front of the sifting tray’s wheels and sliding the screen to the back of the tray. When
installed, the weldment should have a slight upward-facing curve to it, as shown below.
Lastly, use the hardware stack shown to secure the perforated metal to the cart.
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SIFTING CART & SCREEN INSTALLATION & DETAILS
Next, simply roll the cart onto the tracks of the Grinding Frame. The wheels of the cart will
position the assembly for attaching it to the Crank Arm. Caution: If the frame is at a lowered
angle and the cart is not fixed to the crank yet, it will roll out of the rails and may injure
someone or become damaged.
Lastly, the short 1/4-inch quick release pin is used to fix the cart to the Crank Arm. Pull the
Crank Arm towards the front of the machine, putting it in its forward most position. Roll
the Sifter Cart back to align the crank between the cart’s tabs. The sifter tabs have rubber
grommets designed to dampen the noise from the oscillating mechanical movement. Sliding
the pin through both the grommets and the crank’s bearings will fix the cart to the mechanical
housing. Be sure to insert the quick release pin all the way to its shoulder as shown.
1. 1/4-20 carriage bolt
2. 3/8 split washer
3. 1/4 washer
4. 1/4-20 wing nut
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(2)
(3) (4)

GRINDING MEDIUM & BLADES INSTALLATION & DETAILSGRINDING MEDIUM & BLADES INSTALLATION & DETAILS
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There are motorized components on this machine that can cause
severe injury. When installing or removing ANY components or
assemblies, ensure an emergency stop is engaged and the machine
is unplugged from any power source.
Before installing either assembly, ensure the motor shaft’s stud is positioned vertically. If it
is not, use an adjustable wrench to rotate the stud until it is correctly positioned, as shown
below.

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GRINDING MEDIUM & BLADES INSTALLATION & DETAILSGRINDING MEDIUM & BLADES INSTALLATION & DETAILS
The Grinding Medium Assembly is placed onto the Grinding Frame’s studs first and is what
the operator uses to control the size of the output material. The operator must choose what
hole sizing they want to use. The characteristics of each of the hole sizes are outlined below.
When physically installing the assembly, ensure the open end is orientated towards the motor
side of the Grinding Frame, shown on the previous page.
• The 1/8” diameter hole size is the best at filtering unwanted material out of the
output, however, it has the lowest throughput of the three choices.
• The 5/32” diameter hole size is in the middle ground compared to the other sizes.
• The 3/16” diameter hole size is not ideal for filtering unwanted material from the
output however, it has the highest throughput of the three choices.
The Grinding Blades Assembly is the motorized portion of the Grinder and is what moves
the material through the machine. This assembly also gets placed onto the four studs on the
grinding frame and on top of the grinding medium.. If the shafts do not align, the blades can
be spun by hand to move the slot into place. The shafts are shown isolated below to help
illustrate this process. Use 4 1/4-20 wing nuts to secure to frame.
HOPPER INSTALLATION & DETAILS
There are motorized components on this machine that can cause
severe injury. When installing or removing ANY components or
assemblies, ensure an emergency stop is engaged and the machine
is unplugged from any power source.

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HOPPER INSTALLATION & DETAILS
The hopper is fixed to the Grinding Blades assembly via two ¼-20 carriage bolts and wing
nuts for quick and toolless installation. This is a vital piece of the machine. It allows the
operator to keep their hands away from the motorized blades when not utilizing the Rise
Conveyor for feeding (highly recommended). Simply loosen the wing nuts on the bolts and
slide the hopper onto the brackets on either side of the opening. Ensure to slide the carriage
bolts between the slot of the brackets. Retighten the wing nuts. The bottom of the hopper’s
walls should be flush with the top of the Grinding Blades assembly, as shown below.
REMOVABLE ACCESSORIES INSTALLATION & DETAILS
There are motorized components on this machine that can cause
severe injury. When installing or removing ANY components or
assemblies, ensure an emergency stop is engaged and the machine
is unplugged from any power source.
The Stem Catch slides into the slots of the front rails on either side of the frame of the
grinder. This is designed to catch the unwanted material coming from the grinding volume. It
is recommended to clear this catch regularly as the machine is running. Removing the catch
requires the sifter portion of the machine to be stopped. However, using caution, it is safe to
clear it with your hands during operation.

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REMOVABLE ACCESSORIES INSTALLATION & DETAILS
The ramp at the front of the machine slots to the back of the base frame of the grinder. This
is designed to catch the raining material from the grinding volume and centralize it into the
operator’s receptacle. Material may build-up towards the back of the ramp and should be
cleared when necessary.

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REMOVEABLE ACCESSORIES INSTALLATION & DETAILS
The shelf at the front of the machine is able to slide into any two slots on the front of the
legs. The tabs are double-sided because the shelf can be placed as shown or flipped to
create a receptacle. The slots on the front legs allow the operator to change the height of
the shelf for various sizes of containers.
SCAN QR Code
to see How to Adjust Castor
Locks for Safety and Flexibility
of Your Model G
LOCKING CASTORS ADJUSTMENT

MACHINE OPERATION & DETAILSMACHINE OPERATION & DETAILS
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This machine has rotating parts and pinch points that can cause
serious injury. When powering the machine, ensure that all
guards, assemblies, and accessories have been properly installed.
Absolutely no loose hair, clothes, jewelry, or accessories permitted
when operating.
To begin using your machine, plug the power cord into a power source. This should only
be done once the operator is ready to begin grinding and all guards, assemblies, and
accessories have been properly installed. Below is a diagram of the control box and what
each of the inputs control. The red emergency stop button at the top of the box can be
pressed at any time to immediately cut all power to the machine. There is also a secondary
emergency stop fixed to the right-hand side of the machine’s cart, so the operator always
has one within reach.
The sifter cart controls are on the left-hand side of the panel. This includes a green ON/
OFF toggle switch that delivers power to the sifting motor and a black speed control dial.
Turn the speed control dial counterclockwise until it stops so the mechanism does not start
moving when power is supplied. Turn the green toggle switch clockwise to deliver power
to the sifter motor. The illuminated light represents power delivery to the motor. Turn the
black speed control dial clockwise to the desired speed. The sifter is capable of about 0-4
OPS (oscillations per second).
• The speed of the sifter is variable. However, high OPS is recommended.
• The light under the knob should stay lit when power is being delivered. If the light
turns on and goes out after letting go of the knob, the emergency stop may be
enabled. Turn both of the e-stops clockwise to ensure they are both released. If the
issue persists, contact our customer service department.
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1. Sifter Speed
2. Sifter Power
3. Level Control
4. E-Stop
5. Grinder Power
6. Grinder Speed
7. Clear Function

MACHINE OPERATION & DETAILSMACHINE OPERATION & DETAILS
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The actuator control is the centered toggle switch, to give the operator control over the
tilt of the grinding frame. This switch has three positions, up, centered, and down. Neutral
will keep the angle of the machine constant while the up and down positions will adjust
the angle. Toggle the grinding platform up or down based on the angle that best suits
your needs. Due to variations in your flower’s moisture and density, there is no universal
combination.
• The level control on the Grinder allows the operator to control how long the material
spends inside of the machine. At a shallow angle the material will spend more time
being ground. The opposite is true for the machine being set at a steeper angle.
• Ideally, there should only be stems and seeds falling out of the front of the machine
into the stem catch. If your desired material is coming from the front of the machine,
the material needs to spend more time being ground. This is accomplished by
decreasing the angle of the Grinding Frame.
• The angle finder (found on the left-hand side of the machine and marked with
our logo) shows the angle of the machine from 0 to 10 degrees, where 0 degrees
would be parallel with the ground.
• Generally speaking, between 3 and 7 degrees would be optimal. Going past
10 degrees is not recommended. WARNING: Damage to the machine or its
accessories can occur if going past 10 degrees.
SCAN QR Code
to see the
How To Operate Model G Video

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MACHINE OPERATION & DETAILSMACHINE OPERATION & DETAILS
The grinders controls are on the right-hand side of the panel. This includes a green
ON/OFF toggle switch that delivers power to the grinding motor, a black speed control
dial, and a two-position toggle switch. The two-position toggle switch is used to clear
the motor in the case of a jam. Turn the speed control dial counterclockwise until it
stops so the mechanism does not start moving when power is supplied. Turn the green
toggle switch clockwise to deliver power to the sifter motor. The illuminated light
represents power delivery to the motor. Turn the black speed control dial clockwise to
the desired speed. The motor is capable of 0-60 RPM.
• If the motor begins to cease from the material, use the two-position toggle
switch to unjam the grinder. When under power, the grinder will always turn
counterclockwise; however, when this switch is held down, the motor will begin to
reverse. Reverse is only required for a small period to clear the blockage.
• The light under the knob should stay lit when power is being delivered. If the light
turns on and goes out after letting go of the knob, the emergency stop may be
enabled. Turn both of the e-stops clockwise to ensure they are both released. If
the issue persists, contact our customer service department.
SHUT DOWNSHUT DOWN
• Turn both speed control knobs all the way counterclockwise to bring both mechanisms
to a stop.
• Remove power from the motors by rotating the illuminated green knobs, if the light
doesn’t turn off, the motor is still receiving power. Both should be off now.
• Press one (or both) of the emergency stop buttons and ensure that it stays
compressed. Operator should have to twist the e-stop to disengage it.
• Unplug the machine from the power source
• Disconnect the three power and communication cables
• Allow to cool
The machine is now ready for disassembly and cleaning.