Munch Machine CB1 User manual

Cluster Bucker
Model: CB1
Operator’s Manual
Please read the operator’s manual and all included warnings carefully and make sure you fully
understand the instructions before using the machine

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Table of Contents
Warnings & Precautions 3
Introduction 4
Machine overview 5
Operator Safety 7
Uncrating 7
Machine Transport 9
Machine Setup 9
Machine Guarding 10
Machine Power 11
Machine Controls 12
Machine Operation 14
Direct Contact Surfaces 15
Shielding 18
Suspension System 21
Coupling System 22
Cassettes 23
Belts 28
Cleaning the Cluster Bucker 31
Daily Clean 31
Deep Clean 34
Maintenance 37
Reinstallation of Components 37
Reassembly Checklist 38
Storage 39
Compliance 39
Limited Warranty 40
Customer Service 40
Technical Specifications 41

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● WARNING – This product is a piece of power equipment that if used in ways other than
described by this instruction manual can result in operator injury or even death
● WARNING – All users need to fully read this instruction manual and familiarize
themselves with the machine before operation
● WARNING – Keep all shields, guards and safety devices installed and in proper working
order at all times
● WARNING – Keep all hands, feet and clothing away from power driven parts.
● WARNING – This machine is capable of pulling body parts, hair, clothing, gloves, etc.
into the feed holes of the installed Die Plate. Use extreme caution to prevent unintended
items from entering the feed holes of installed Die Plates.
● WARNING – Unexpected energization or startup of the equipment is controlled by
unplugging the equipment from the energy source; The plug is under the exclusive
control of the employee performing the servicing or maintenance.
WARNING
The operation, servicing and cleaning of the Cluster Bucker by MUNCH Machine is
hazardous and could cause severe injuries or worse. These machines are solely intended to
be used for the harvesting and processing of cannabis, hemp and hops. Do not operate, service
or clean these machines without proper training, reading the instructions and fully
understanding all aspects of the activities on these machines and fully knowing the risks
involved. Your failure to abide these warnings is negligence on your part. As warned,
you assume all risks associated with the lack of proper use, in any manner, of the Cluster
Bucker by Munch Machine.

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Introduction
Thank you for your purchase of the Cluster Bucker built by MUNCH Machine. Welcome to
the best bucking team around! Our products are designed around years of real-world use for
maximum reliability and durability. Every product we bring to market is designed, tested
and manufactured 100% in the USA.
The Mother Bucker introduced mechanized bucking to the cannabis industry and now the
Cluster Bucker has claimed the title of most powerful, both being the most reliable harvesters
on the market. We strive to take a different approach when building equipment for the
cannabis industry. Our goals are to put the customer first when it comes to both sales and
service. We maintain a close relationship with farmers to be sure we are offering the best
products to improve efficiency and lower production costs.
Our parent company Dauenhauer Manufacturing has roots that go back 75+ years as pioneers
of the first mechanical hops harvesting equipment. Dauenhauer continues to sell to and
service some of the top producers in the hops industry. We are proud of this heritage and
committed to carrying this tradition forward with MUNCH Machine.
All persons operating this machine need to fully read this instruction manual and familiarize
themselves with the machine before operation.

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Machine Overview
Part Name (Qty Per Machine)
1. Frame Base
2. Casters (4)
3. Caster Bracket (4)
4. Electrical Panel /Accessory Outlet
5. Button Array
6. Indicator Light
7. Thumb Screws (6)
8. Motor Cover
9. Face plate
10. Die Plate
11. Lower Cassette Track (2)
12. Upper Cassette Track (2)
13. Button Mount Bracket
14. Left Side Shield
15. Top Shield
16. Rear Shield
17. Right Side Shield
18. Mount Peg (8)
19. Cassette Pins (16)
20. Threaded Inserts (6)
21. Upper Frame
22. Force Plate (4)
23. Force Cap (4)
24. Force Cap Bumper (4)
25. Pressure Adjustment
Bolt (4)
26. Suspension Rule (8)

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27. Cassette (2)
28. Cassette Pin Holes (16)
29. Belt (2)
30. Bearing (8)
31. Bearing Collar (8)
32. Keyway (4)
33. Drive Pulley (2)
34. Cassette Locking Tabs (4)
35. Follow Pulley (2)
36. Cassette Fixed End (4)
37. Tensioning Bolts (8)
38. Tension Brackets (4)
39. Tension Lock Bolts (16)
40. Belt Tension Rule (8)
41. Cassette Sliding End (4)
42. Lower Motor
43. Lower Motor Mount
44. Coupler Assembly (2)
45. Drive Key (4)
46. Coupler Cog (4)
47. Coupler Flex Element (2)
48. Coupler Nylon Cover (2)
49. Upper Motor Mount
50. Upper Motor

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Operator Safety
Training
Operators must be properly trained in the correct use of this machine before taking part in any
operation. It is up to the facility to determine guidelines based on these instructions for use. It is
up to the organization’s management structure to implement training programs, written
procedures, and supervision that are compliant with local regulations.
Operation
All persons operating this machine need to fully read this instruction manual and familiarize
themselves with the machine before operation. The machine is built to have 1-2 operators
standing at the front of the machine feeding material through the die plate.
▪ WARNING – This product is a piece of power equipment that if used in ways other than
described by this instruction manual can result in operator injury or even death.
▪ WARNING – Keep all shields, guards and safety devices installed and in proper working
order at all times.
▪ WARNING – Keep all hands, feet and clothing away from power driven parts.
▪ WARNING –This machine is capable of pulling body parts, hair, clothing, gloves, etc.
into the feed holes of the installed Die Plate. Use extreme caution to prevent unintended
items from entering the feed holes of installed Die Plates.
Uncrating
Upon receipt of the Cluster Bucker, freight must be inspected upon arrival. If you suspect
damage, it is essential to document by taking photos of the packaging issues/damage and
notating DAMAGE on the proof of delivery (POD) prior to signing. Do not sign for the shipment
until you have thoroughly inspected the packaging and contents.
The Cluster Bucker crate will have one side panel that is held closed with wood screws. While
supporting the panel, remove all screws from the outer perimeter of the crate. Once screws are
removed, set the panel aside.
The Cluster Bucker will be held in place with nylon strapping. Prior to strap cutting, ensure all
individuals nearby are wearing the proper personal protective equipment to guard against
possible flying debris. Also, check that the machine is stable and supported prior to cutting to
prevent injury. Cut the strapping with a sharp knife or scissors in a way that prevents damage to
the machine finish.
▪ WARNING – Proper personal protective equipment is essential for all persons working
around the uncrating and setup of the machine.
▪ CAUTION – Injury could result if proper precautions are not taken to ensure the
equipment is stable during the uncrating process.

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▪ ATTENTION – It is possible that the machine has shifted during shipment, ensure the
equipment is supported when strapping is removed, continue to do so until the machine is
out of the crate on a flat level surface with the casters locked.
Using a forklift insert the forks under the lower frame with the forks as wide as they can be set
while still passing between all four casters. The forks must pass beyond the far side of the lower
frame to ensure the machine is completely supported (see image below). Ensure no equipment
will be damaged when lifted. Slightly lift the cluster bucker watching the top hood to prevent
damage to the top of the machine. Back the equipment out of the crate and lower onto a flat level
surface.
▪ CAUTION – Injury could result if proper precautions are not taken to ensure the
equipment is stable during the uncrating process.
▪ CAUTION – Attempting to roll the machine out of the crate could cause the machine to
tip, possibly causing injury.

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Machine Transport
Handles
The Cluster Bucker has Handles built into the Frame
located on both the right and left sides of the
machine. Only these two Handles and the lower
frame are to be used for moving the machine.
▪ WARNING – When moving equipment on
an inclined surface it is strongly
recommended to use multiple people to
prevent loss of control leading to injury or
death.
▪ ATTENTION - Do not move the machine by
pulling on the Motor or Bucker Head
Casters
The Cluster Bucker has Casters installed that work
for both Indoor and Outdoor use. These tires allow
for 360° rotation and have both a rotational lock and
rolling lock.
To activate the rolling lock press down the “ON” lever arm with your foot until it clicks. The
brake should be clamped firmly on the wheel. To disengage the brake, press “OFF” with your
foot until the brake is free of the wheel
To activate the swivel lock, locate the four notches on the swivel bearing directly above the
wheel. Line up one of the four notches with the lock pin by swiveling the wheel. Grab the key
ring attached to the lock pin, pull it away from the caster and turn it 90°. Release the key ring
and lock pin. The lock pin should now be engaged firmly in the notch. The wheel should not be
able to swivel. To disengage repeat the above procedure. The lock pin should not be contacting
the swivel bearing and the wheel should swivel freely.
Machine Setup
The Cluster Bucker requires very little setup; the Indicator Light is the only item that comes
uninstalled for protection during shipment.
Indicator Light Installation
Holding the Upper Indicator Light Assembly locate the green arrow located at the base of the
lens. Align the arrow point with the black line on the Indicator Light Mount. Press down lightly
to engage the light into the base, then rotate the upper light assembly 1/8 turn clockwise.
When the machine is energized ensure the indicator light is functioning properly, lit when the
machine is powered “ON”, and off when the machine is powered “OFF”.

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▪ CAUTION – the Indicator Light is a safety device that needs to be installed and properly
working on the machine, failure to do so could result in injury or death.
Machine Guarding
All Shields must be in place before any operation of the machine. The Face Plate and Die Plate
must be installed properly, the Control Panel must be closed and locked.
To prevent processed stalk material from jamming in the outfeed side of the machine it is not
possible to closely guard the outfeed area. To ensure personnel cannot reach into the rollers
during operation, a barrier guard on the sides and back of the machine must be in place. Four
posts (48” tall) and a metal or plastic chain set 36” away from the machine and connected to the
sides of the machine must be in place during operation. Signs advising personnel to stay out
when the machine is running must be on the chain or posts.
Solid panels or rigid mesh panels may also be used and can be placed closer to the machine
depending on the mesh opening size (US companies should refer to OSHA regulations). Consult
with your local workplace safety officials to ensure you meet your relevant regulation
▪ WARNING – Operation of equipment without the proper guarding installed could result
in serious injury and possibly death
Contact MUNCH Machine Customer Service if you need further assistance.

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Machine Power
The Cluster Bucker requires a 240V Circuit with a 20-amp breaker (30 amp maximum breaker
size) to operate. The machine comes with a NEMA L14-30P Plug installed. Your facility will
need to have a L14-30R Female receptacle installed.
▪ ATTENTION – The NEMA L14-30P and NEMA L14-30R are locking power adapters
and must be rotated after installation and prior to removal, Not doing so will damage the
plug and/or receptacle.
o Plug Type – NEMA L14-30P
o Receptacle Type – NEMA L14-30R
Accessory Outlet
The Cluster Bucker comes equipped with an Accessory Outlet that is protected by its own circuit
breaker; this plug is located on the front side panel. This can be used to power any 120V
accessory or our MUNCH Machine Conveyor products.
o 120V - 10amp breaker
o Plug Type – NEMA 5-15R

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Machine Controls
Electrical Panel
The Electrical Panel is designed to remain closed and
locked at all times while the machine is running or
connected to power. In the case that you need to open
the Electrical Panel, please ensure that you take the
utmost care to prevent dust or debris from entering.
▪ WARNING – High voltage – disconnect power
before opening the Electrical Panel. Failure to
do so can result in operator injury or even death.
Troubleshooting may require the panel to be
open while connected to power. This process
should only be performed by qualified
personnel.
● WARNING – Unexpected energization or
startup of the equipment is controlled by
unplugging the equipment from the energy
source; The plug is under the exclusive control
of the employee performing the servicing or
maintenance.
● WARNING – Capacitors hold energy even after the machine is unplugged. Allow unit to
Sit for a minimum of 30 seconds prior to servicing or maintenance.
VFD
The VFD contained within the Electrical Panel comes updated with the latest software settings
for the machine.
Circuit Breaker
A Circuit Breaker is contained within the Electrical Panel, if for any reason your machine
becomes unresponsive, open up the panel and check to be sure your Circuit Breaker has not been
tripped. If this breaker continues to trip please contact Munch Machine Customer Service
immediately as it may indicate a larger problem.
o 240V Models – 20amp breaker

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Button Enclosure
Power Selector Switch OFF / FWD / REV
Mode selection switch allows the user to turn the machine on (FWD), turn the machine off
(OFF) and also to reverse (REV) the machine to clear any blockage.
Variable Speed Control
Adjusts the Belt revolutions per minute to allow the user to balance throughput and quality.
Select faster belt speed to process flower more quickly, particularly when processing “wet”
flower straight from the plant. Select a slower roller speed for a higher quality result, particularly
when processing previously dried flower.
Emergency Stop Button
Emergency shut off of the motor in the case of any incident or emergency.
Indicator Light
Indicates if the machine is powered ON. In high noise environments, it can be difficult to
determine if the machine is in operation without the indicator light. The Indicator Light on the
cluster bucker is located above the button enclosure to ensure visibility from all sides when
approaching the machine.

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Machine Operation
Daily Inspection
o Check that the Left and Right Side, Rear and Top Shields are installed properly,
and the thumbscrews are hand tight
o Faceplate is installed and secure
o Die plate is installed, clean and free of debris.
o Belts are clean and free of debris.
o Drive System and Couplers are in good condition and installed properly.
o Ensure all electrical components are in good working order
o Ensure all machine components are secure and in good working order.
Start Up
o Ensure the Power Selector Switch is in the “OFF” position
o Ensure the Emergency Stop button is in the “UP / OUT” position.
o Plug the machine into a circuit having sufficient current capacity and correct
voltage.
o Adjust Variable Speed Control to desired speed - if unknown then start slow and
work your way up in speed paying close attention to the quality of the bucked
material.
o Place Catchment System (bin, bucket, bag, conveyor, etc.) in position to receive
bucked material.
o Turn on the machine by rotating Power Selector Switch clockwise to the “FWD”
position.
Operation
o Feed material into the Die Plate holes, attempting to select a Die Plate hole that
best matches the stem size.
o In the case of a product jam, rotate Power Selector Switch counterclockwise to
“REV” to reverse the belts until the jam is cleared, then release and rotate Power
Selector Switch back to “FWD” and continue feeding material.
o Continuously monitor the outfeed of the machine to prevent the stem pile from
reaching the height of the upper frame tube. At this point the machine needs to be
unplugged and the stem pile needs to be removed from behind the machine.
▪ WARNING – Machine must be unplugged before entering the guarded area behind the
machine.
▪ ATTENTION – Failure to remove the stem pile once it has reached the height of the
upper frame tube can result in machine damage or malfunction.
Daily Shut Down
o Turn Machine to the “OFF” position.
o Unplug the machine.
o Clean the machine using the method defined below.
o Store the machine in a clean, dry, sheltered location.

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Direct Contact Surfaces
The food-grade stainless steel Face Plate and Die Plate are designed to be the only machine
surfaces in contact with the product and are compatible with a cGMP compliant workflow. Daily
cleaning of these plates with the proper cleaning products (See: Cleaning the Cluster Bucker)
will reduce the potential for contamination of your product
Faceplate
The Faceplate of the Cluster Bucker is designed to protect the user from moving internal parts of
the machine while allowing access for cleaning and maintenance.
The Faceplate has been designed for tool-less removal and installation. The Faceplate uses a
combination of Lower Mounting Pegs and upper easy-access Thumb Screws for removal and
installation. The Faceplate must be installed and secured properly before any operation.
▪ WARNING – Keep all shields, guards and safety devices installed and in proper working
order at all times
▪ WARNING – Operation of the machine without the Faceplate or without the Faceplate
being properly secured will result in serious injury and possibly death

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Faceplate Removal
The Faceplate has two Thumb Screws at the top corners left and right side of the machine. While
supporting the front of the Faceplate against the machine, unthread the two Thumb Screws until
the Faceplate is loose. Allow the top of the Faceplate to pivot away from the machine and lift the
bottom of the Faceplate off the Lower Mount Pegs.
▪ WARNING – Operation of the machine without the Faceplate or without the Faceplate
being properly secured will result in serious injury and possibly death
▪ CAUTION – Supporting the Faceplate with one hand while removing is critical to
prevent dropping the plate and possibly causing injury.
Faceplate Installation
Locate the Lower Mounting Hooks cut into the left and right sides of the Faceplate. Tilt the
Faceplate to have the base closer to the machine and align hooks with the two Lower Mounting
Pegs located at the bottom front sides of the Upper Frame. Rest the mounting hooks over the
mount pegs, ensuring both sides are supported, then rotate the top of the Faceplate up towards
the machine so the hole aligns with the threaded insert, ensure Faceplate is tight against the
upper frame. Install and hand tighten Thumb Screws to secure Faceplate in place.
▪ CAUTION – Supporting the Faceplate with one hand while installing is critical to
prevent dropping the plate and possibly causing injury.
Faceplate Accessories
The Faceplate have 10 1/4 - 20 holes threaded into it. Two of these (Left, and right of Die plate
cutout) have a button head bolt installed and serve as a placeholder for accessory options. The
other six holes, three on top and three below the center cutout are for Die Plate installation.
Die Plates
To accommodate various uses of the machine, the machine has been designed to have
interchangeable die plates that are attached to the faceplate of the machine via six 1/4 - 20 X
7/16” stainless steel button head bolts.
▪ WARNING – Operation of the machine without the die plate or without the die plate
being properly secured will result in serious injury and possibly death
▪ WARNING – This machine is capable of pulling body parts, hair, clothing, gloves, etc.
into the feed holes of the installed Die Plate. Use extreme caution to prevent unintended
items from entering the feed holes of installed Die Plates.

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Keyhole Die Plate (Included)
Developed to process larger branches and clusters of
branches, the Keyhole Die Plate uses 5 strategically
placed holes that let gravity assist in pulling the branch
cluster down and through the tapered slot. This design
allows for torn or uneven ends to pass through a larger
slot, then as the machine bucks the material the branches
are forced down into the slots. Keyhole slot sizing .34”
to .25” (8.6mm to 6.4mm), .44” to .30” (11.2mm to
7.6mm), .53” to .35” (13.5mm to 8.9mm)
Round Hole Die Plate (Included)
Developed for use with all plants, this configuration has
10 holes, 2 of each size with diameters of .188" (4.7mm),
0.3” (7.7mm), 0.45” (11.5mm), 0.6” (15.2mm), and 0.75”
(19mm)
Die Plate Removal
Unplug the machine. Stand in front of the machine and
locate the six 1⁄4 - 20 button head bolts that hold the die
plate in place. Use a 5/32 hex wrench to loosen and
remove the lower three bolts, then loosen and remove two
of the upper three bolts, then support the plate with your
free hand while you remove the last upper bolt. The die
plate will lift out of the center cutout for cleaning or
changing.
▪ CAUTION – Supporting the Die plate with one
hand while removing the bolts is critical to prevent
dropping the plate and possibly causing injury.
Die Plate Installation
Unplug the machine. Stand in front of the machine and
locate the six 1⁄4 - 20 threaded holes three on top and three below the center cutout. Place the Die
Plate into the center cutout allowing the upper and lower wings to sit on the Faceplate. The Die
Plate should be installed with the concave side facing the user. While holding the Die Plate in
position, align the bolt holes on the Die Plate with the threaded holes on the Faceplate. Use a
5/32” hex wrench to loosely install the top three bolts, then loosely install the bottom three bolts.
Finish tightening all six bolts to 6Nm. Do not over-tighten. Occasional use of anti-seize is
recommended on stainless steel bolts.

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▪ CAUTION – Supporting the Die Plate with one hand while installing the bolts is critical
to prevent dropping the plate and possibly causing injury.
Shielding
The Shields of this machine are designed to protect the user from moving internal parts of the
machine while allowing access for cleaning and maintenance. Each Shield has been designed for
tool-less removal for cleaning and maintenance. All Shields use a combination of Lower
Mounting Pegs and upper easy access Thumb Screws for removal and installation. The Shields
must be installed and secured properly before any operation.
▪ WARNING – Keep all shields, guards and safety devices installed and in proper
working order at all times
Removal of Shields
Removal order of operations
1. Rear Shield
2. Top Shield
3. Left or Right-Side Shields
Rear Shield Removal
Unplug the machine. Approach from the back side and locate the two Thumb Screws on the top
of the Rear Shield. Also locate and note the position of the two rear shield mount locations,
located on the lower left and lower right sides of the frame. Loosen and fully remove the two
Thumb Screws one at a time while supporting the Rear Shield with the opposite hand.
● CAUTION – Supporting the Rear Shield with one hand while removing the Thumb
Screws is crucial to prevent dropping the shield and possibly causing injury.

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While still supporting the Rear Shield, place one hand on each left and right side of the Rear
Shield using the lower edge for additional support, lift upwards on the rear shield while shifting
it towards your body (away from the machine) to allow the Rear Shield to clear the two lower
mount locations.
▪ WARNING – Keep all Shields, guards and safety devices installed and in proper
working order at all times
Top Shield Removal
Unplug the machine. Ensure that the
Rear Shield has been removed.
Locate the two Thumb Screws, top
center, left and right side of the
machine securing the overlap
between the Top Shield and the Side
Shields. Loosen halfway but do not
remove both Thumb Screws.
Carefully lift the Top Shield off the
machine, clearing the Suspension
Towers. The Shield may need to be
removed by two people due to
location and weight. Note how the
Top Shield notches align with the
Thumb Screws for reference on reinstallation
▪ CAUTION – Shields are made of steel and need to be handled carefully due to their
weight. Additional persons may be needed to handle these parts to prevent dropping the
shield and possibly causing injury.
▪ WARNING – Keep all shields, guards and safety devices installed and in proper working
order at all times
Side Shield Removal
The Side Shields are two individual parts, one left and one right, these will only fit when
installed on the correct side and orientation. See diagram at the start of the Shielding section for
reference.
Unplug the machine. Ensure that the Rear Shield and Top Shield have been removed. Locate the
two Thumb Screws, top center, left and right side of the machine securing the overlap between
the Top Shield and the Side Shields. These Thumb Screws should be halfway unthreaded from
the removal of the Top Shield.
By grabbing the front and rear edges of either Side Shield, the Shield can be lifted off of the
Mount Pegs at the base of the Upper Frame and removed upwards via the gap between the Motor
and Upper Frame. Both Shields will remove with the same process.
▪ CAUTION – Shields are made of steel and need to be handled carefully due to their
weight. Additional persons may be needed to handle these parts to prevent dropping the
shield and possibly causing injury.
▪ WARNING – Keep all Shields, guards and safety devices installed and in proper
working order at all times

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Installation of Shields
Installation order of operations
1. Left or Right-Side Shields
2. Top Shield
3. Rear Shield
Side Shield Installation
Unplug the machine. The Side Shields need to be installed prior to installation of the Rear
Shield, or Top Shield. Prior to lifting, determine left and right parts, and the proper orientation
for each. See diagram at the start of the Shielding section for reference. Locate the Lower Mount
Pegs – (2 central pegs on each side of the Upper Frame). Holding the parts by the front and back
edges, slide the Side Shield from the top of the Upper Frame down between the Motor and Upper
Frame until the lower notches rest on the Mount Pegs. If the Shield does not sit flush and align
with the Mount Pegs, upper Thumb Screw Hole, or the Motor Mount Brackets adjust until all of
these points align. Thread the thumb screw halfway into the upper center hole on the side shield.
Both shields will install with the same process.
▪ CAUTION – Shields are made of steel and need to be handled carefully due to their
weight. Additional persons may be needed to handle these parts to prevent dropping the
shield and possibly causing injury.
▪ WARNING – Keep all shields, guards and safety devices installed and in proper working
order at all times