Resodyn LabRAM II User manual

Resodyn Acoustic Mixers 130 N. Main Street Butte, MT 59701 406-497-5333 www.resodynmixers.com
LabRAM II
Installation
and Users’
Manual

Resodyn Acoustic Mixers Revision 063020
Table of Contents
1Introduction .................................................................................................................... 1
2Definitions ...................................................................................................................... 2
3Safety............................................................................................................................. 3
3.1 General Safety Considerations .................................................................................... 3
3.2 Warnings and Cautions................................................................................................ 3
3.3 Important Safety Notes ................................................................................................ 4
3.4 Hazardous Location Notes........................................................................................... 4
3.5 Component Replacement ............................................................................................ 4
3.6 Customer Responsibility .............................................................................................. 4
3.7 Handling/Lifting ............................................................................................................ 6
3.8 Guards and Safety Devices ......................................................................................... 7
3.9 Using Retractable Handles .......................................................................................... 7
3.10 Technical Support for Mixer Operation:........................................................................ 7
4System Overview ........................................................................................................... 8
4.1 ResonantAcoustic®Mixing Platform ............................................................................. 8
4.2 Acoustic Enclosure ...................................................................................................... 9
4.3 Touch Screen Human Machine Interface (HMI) ........................................................... 9
4.4 Standard Vessel Fixture and Vessels..........................................................................10
4.5 Processing Accessories..............................................................................................11
5System Specifications ...................................................................................................12
5.1 Voltage Level ..............................................................................................................12
5.2 Power Consumption....................................................................................................12
6Installation and Support.................................................................................................13
6.1 Unpacking, Lifting, and Placing LabRAM II .................................................................13
6.2 Mounting.....................................................................................................................13
6.3 Door Operation ...........................................................................................................14
6.4 Remove the Shipping Lock Bar...................................................................................15
6.5 Vessel Holder Assembly .............................................................................................16
6.6 Electrical Connections ................................................................................................18
7Quick Start ....................................................................................................................19
7.1 Setup ..........................................................................................................................19
7.1.1 Open the Hood Door(s) ....................................................................................19
7.1.2 Securing Container in the Vessel Holder ..........................................................19
7.1.3 Close the Doors ...............................................................................................19
7.2 Power-Up....................................................................................................................19
7.3 Login...........................................................................................................................20
7.4 Select the Recipe........................................................................................................21
7.5 Run the Recipe ...........................................................................................................21
7.6 Completion .................................................................................................................22

Resodyn Acoustic Mixers Revision 063020
8HMI (Human Machine Interface) – Overview .................................................................23
8.1 Main Screen................................................................................................................23
8.2 Login...........................................................................................................................24
8.3 Operational Modes (Recipe and Auto) ........................................................................24
8.4 Alarming .....................................................................................................................24
8.5 Setup and Configuration Screens ...............................................................................24
8.6 Viewer.........................................................................................................................25
9HMI Operation – Security and Login..............................................................................26
9.1 Login Levels and Privileges ........................................................................................26
9.2 Screen Operations - Logging In/Out............................................................................27
9.3 Log Files .....................................................................................................................28
10 HMI Operation – Modes of Operation ............................................................................29
10.1 Screen Operations - Recipe Mode ..............................................................................29
10.2 Screen Operations - Auto Mode..................................................................................31
11 HMI Operation – Alarming .............................................................................................37
11.1 Screen Operations - Alarms........................................................................................37
12 HMI Operation – Viewer ................................................................................................39
12.1 Screen Operations - Viewer ........................................................................................39
13 HMI Operation – Setup and Configuration .....................................................................41
13.1 Status Tab ..................................................................................................................43
13.2 Calibration Tab ...........................................................................................................43
13.3 Recipe Tab .................................................................................................................43
13.3.1 Screen Operations – Edit an Existing Recipe................................................43
13.3.2 Screen Operations – Create New, Rename, and Delete ...............................47
13.4 Setup1 Tab .................................................................................................................51
13.4.1 Auto Timer Group Box ..................................................................................51
13.4.2 Lighting Group Box .......................................................................................51
13.4.3 Machine Options Group Box .........................................................................51
13.4.4 Operational Options Group Box ....................................................................52
13.5 Setup2 Tab .................................................................................................................52
13.5.1 Screen Operations – User Management .......................................................53
13.6 Setting Date and Time ................................................................................................54
13.7 Config Tab ..................................................................................................................54
13.7.1 Screen Operations – Edit a Configuration .....................................................55
13.7.2 Screen Operations – Create a Configuration ................................................56
13.7.3 Configuration Usage .....................................................................................57
13.8 Data Tab.....................................................................................................................58
14 Care and Maintenance ..................................................................................................59
14.1 Preventive Maintenance .............................................................................................59
14.2 Cleaning Procedures ..................................................................................................59
14.3 Accelerometer Calibration...........................................................................................59

Resodyn Acoustic Mixers Revision 063020
14.4 Maintenance ...............................................................................................................59
14.4.1 Major Repairs ...............................................................................................59
14.4.2 Recommended Maintenance Schedule ........................................................60
14.5 Replacement of Serviceable Parts ..............................................................................60
14.5.1 Fuse Replacement........................................................................................60
14.5.2 Bellows Replacement ...................................................................................61
14.5.3 Accelerometer Replacement.........................................................................61
14.5.4 Technical Support for Mixer Operation:.........................................................61
15 Troubleshooting and Service .........................................................................................62

LabRAM II Operations Manual
Introduction
Resodyn Acoustic Mixers 1 Revision 063020
1 Introduction
The LabRAM II is an advanced, low-frequency, acoustic mixer. It is the second generation of
ResonantAcoustic®Mixers LabRAM, an innovative approach to multiple mixing applications.
These applications include powder-powder systems, liquids, creams, highly viscous gels and
pastes, as well as sieving and grinding (with the proper vessels and attachments).
RAM mixing provides:
•Exceptionally uniform mixing across a broad range of materials.
•Significantly shorter mixing times than traditional methods.
•Completely sealed, dust-free mixing process resulting in enhanced operator safety.
•Highly repeatable results from mix-to-mix, ensuring batch-to-batch product quality.
ResonantAcoustic®Mixing (RAM) and Acceleration
The primary driving mechanism that creates mixing by the ResonantAcoustic®Mixing (RAM)
technology is Acceleration (rate of change of velocity). The unit of measure of acceleration in
the International System of Units (SI) is meters per second squared, or m/s2. A more familiar
way to describe this phenomenon is the acceleration of gravity here on earth, or g. One gis the
acceleration of gravity at the Earth's surface and uses the standard gravity symbol: gn, defined
as ~9.81 meters per second squared.
Acceleration is the driving mechanism for acoustic mixing, stated in units of the acceleration of
standard gravity - or g- as outlined above. For example, a heavily loaded mixture of solids with
a viscous liquid may be best mixed at an Acceleration of 80 g, or 80 times the force of gravity.
The correct level of Acceleration, or gcreates micro-mixing zones that liquids and viscous
materials require, and creates the chaotic collision phenomenon that effectively mixes solids
and powders. The process of determining an optimal Acceleration, or gto obtain the best
mixing is an iterative one, arrived at through observation, optimization, and product quality
testing. Resodyn Acoustic Mixers process engineers and technical sales staff are always
available to provide assistance in this process.
Furthermore, Acceleration or gis measured the same way across all RAM technology
platforms. So, 50 gon the LabRAM mixer is equivalent to 50 gon the RAM 5 or RAM 55 mixers.
It is also important to note that, while mechanical devices typically rely on increasing the power
to improve mixing, better mixing with RAM technology is not necessarily the result of more
power. Instead, the quality of mixing is the result of the right combination of energy applied to
the materials - in the form of Acceleration or g- for an adequate amount of time. Therefore,
some materials may be best mixed at a lower level of Acceleration.

LabRAM II Operations Manual
Definitions
Resodyn Acoustic Mixers 2 Revision 063020
2 Definitions
Acceleration: A change in velocity with respect to time that is expressed in “g.” Different mix
media mixes at different accelerations, based on the material and the
expected results. (See “g” below.)
Damping: A term to quantify the instantaneous amount of energy absorbed by the mix
media while mixing.
g: A measure of acceleration expressed as a multiple of the gravitational
acceleration applied to the vessel and mix media during mixing. For example,
10 gis 10 times the force of gravity. It may also be shown as g. Another term
that may be used to describe the acceleration is “gravities.” (See
“Acceleration” above.)
HMI: Human Machine Interface. The control and input system screen used to
operate the LabRAM.
Headspace: The volume of compressible air, gas, or void space above the mixing media
in the vessel that is not occupied.
Mixing Media: Defined as the material inside the mixing vessel.
Mixing Power: The amount of power being delivered by the RAM system to perform mixing.
Mixing Regime: This term identifies certain modes of mixing. The mixing regime defines the
bulk flow pattern of the mix during mixing. A regime changes when the bulk
patterns change. For example, a stable fluid mixing regime for thick pastes
would be one that flows from the bottom of the vessel up the center and then
across the top and down the sides. Another mixing regime is when the flow
pattern is reversed and the flow comes up the vessel sides and down the
center of the vessel.
RAM: ResonantAcoustic®Mixing or ResonantAcoustic®Mixer.
RAMWare: Control software that runs on a Personal Computer (PC) and provides control
to, and feedback from, the mixing process. (Also RAMware2.)
Resonance: The frequency (nominally 60 Hz) at which the RAM mechanical system
operates in the most efficient manner.
Vacuum: Internal vessel pressure that is less than atmospheric pressure.

LabRAM II Operations Manual
Safety
Resodyn Acoustic Mixers 3 Revision 063020
3 Safety
Every effort has been made to assure that the LabRAM II is easy to use, reliable, and safe. This
section outlines the general safety considerations and defines caution and warning symbols
used throughout this manual.
3.1 General Safety Considerations
For safe operation, the LabRAM II should be operated only within the limits outlined in the
system specifications. The following classification defines acceptable use for the LabRAM II.
•Indoor use only.
•Main supply voltage fluctuations are not to exceed ±10% of the nominal supply
voltage.
•This equipment is suitable for continuous operation.
•For use in non-hazardous environments as classified by the United States National
Electrical Code (NEC).
3.2 Warnings and Cautions
Throughout the manual, the following symbols are used to identify warnings and cautions:
The caution symbol indicates a potential hazardous situation which could result in
minor injury or damage to the product.
The high voltage symbol indicates the possibility of electrical shock.
This symbol means turn off the electrical supply before removing any cover with
the symbol attached. Failure to do so may cause exposure to electrical shock
hazard.
Access to electrical components should only be carried out by a licensed
electrician or qualified electrical engineer.
NEVER attempt to modify any electrical components or circuits as this may affect
the safe operation of the machine.
Electrostatic Discharge (ESD) sensitive components.

LabRAM II Operations Manual
Safety
Resodyn Acoustic Mixers 4 Revision 063020
3.3 Important Safety Notes
This equipment should only be operated by trained and qualified personnel.
Mixing operations can generate heat and internal pressure depending on material
and mixer accelerations. Do not mix materials longer than what has been
characterized as safe.
Do not attempt to run the machine without a mix container holder. Equipment
damage may result.
Do not disable or tamper with any safety items, such as safety interlock switches
located on the LabRAM II system.
Note: Changes in noise level or frequency are common during mixing operations. If
rattling, metal-on-metal, or obnoxious noises occur, turn off the LabRAM II and call
or email the Resodyn Acoustic Mixers Technical Support.
3.4 Location Advisory
3.5 Component Replacement
The system is designed with components that are specifically rated for use with the LabRAM II
machine. Only replace worn or damaged components with direct factory replacement parts or
parts approved by Resodyn Acoustic Mixers. Incorrect component replacement can impair the
safety of the equipment and risk injury to personnel.
3.6 Customer Responsibility
•Ensure that all operators have received the correct training to operate the mixer.
•Ensure that all operators have read and understood this instruction manual.
•Ensure that a qualified electrician carries out any electrical maintenance.
The LabRAM II system is designed to be operated in non-hazardous environments.
The LabRAM II system is protected by an IP20 enclosure which is not rated for
operation in dusty environments.
The LabRAM II system is rated for operating in ambient environments between 0°C –
40°C (32°F – 104°F).
Do not replace components with non-factory components. Non-factory replacement
parts may not be rated to be used to the LabRAM II machine requirements, which will
compromise the safety of the operating personnel and may cause damage to the
equipment.

LabRAM II Operations Manual
Safety
Resodyn Acoustic Mixers 5 Revision 063020
•Allow only Resodyn Acoustic Mixers Service Engineers to repair a LabRAM II or
return to Resodyn after receiving a Return Authorization.

LabRAM II Operations Manual
Safety
Resodyn Acoustic Mixers 6 Revision 063020
3.7 Handling/Lifting
The LabRAM II mixer weighs 260 lbs. with no additional options. The mixer should be lifted by
at least 4 people, one on each side.
The two primary lifting positions are on either side of the LabRAM II machine where retractable,
integral lifting handles are located (Figure 1 below). Always exercise caution when lifting and
moving the LabRAM II to avoid striking other objects.
Two remaining personnel can assist in lifting the LabRAM mixer at the remaining two sides next
to the machine feet. There is ~1 ½” clearance under the LabRAM II. This space allows the
retractable handles to be securely positioned under the machine when not in use. The LabRAM
II mixer should be lifted, at the locations indicated below, by at least 4 people, positioned at
each side of the machine as designated by circles in the diagram below. The arrows show the
recommended locations to place the hands for lifting the machine using a combination of base
plate hand-holds and base plate retractable handles.
Figure 2 shows the underside of the mixer indicating the recommended location of the hands for
lifting and carrying the LabRAM II machine using retractable handles.
Do not lift using any location other than the retractable handles of the mixer’s baseplate and the
hand holds as indicated above. Doing so may cause damage and failure of the LabRAM II
machine and may cause injury.
For safe lifting and transporting of the mixer, the mixer should be
lifted by at least 4 people, one on each side as shown above.
Figure 2 - Underside View, lifting positions and handles
Figure 1 – Overhead View, lifting positions and handles

LabRAM II Operations Manual
Safety
Resodyn Acoustic Mixers 7 Revision 063020
3.8 Guards and Safety Devices
Ensure all safety devices (limit switches, etc.) are functioning correctly, and regularly check their
operation.
3.9 Using Retractable Handles
When the LabRAM II has been located in the area of final installation, make sure the area is
prepared and ready for installation. Carefully follow the unpacking instructions in Section 6 on
Page 15 of the User’s Manual.
Retractable handles are located on both sides of the LabRAM II, installed in the base plate
conveniently out of the way when not in use.
When you are prepared to lift and place the machine:
- Locate the locking pins on either end of the handle
brackets.
- Pull straight down to release the locking pins while pulling
the handles horizontally toward you until they click-lock into the open position.
- Reverse the procedure when the LabRAM II is in its intended position. The locking pins
will automatically click-lock back in place after the handles have been slid horizontally
back under the machine. Make sure the closed-lock position is attained.
- Check for any materials or other blockage below the machine if the handles do not
smoothly return to their original position.
3.10 Technical Support for Mixer Operation:
Contact your Resodyn Acoustic Mixers customer service representative for questions or the
contacts provided below for additional technical support.
Technical Support for Mixer Operation:
Phone: (406) 497-5333
Fax: (406) 497-5206
e-mail: [email protected]m
Resodyn Acoustic Mixers
130 North Main, Suite 630
Butte, Montana 59701 USA

LabRAM II Operations Manual
System Overview
Resodyn Acoustic Mixers 8 Revision 063020
4 System Overview
The LabRAM II mixer is a ResonantAcoustic®Mixer
(RAM) specifically designed and manufactured for
use in mixing up to 2.2 lbs. (1 kg) of materials. The
LabRAM II is a highly versatile mixing system that is
designed for laboratory and production environments.
The LabRAM II system is equipped with proprietary
mixing control circuitry, a vessel holder, machine
safety interlocks, and a molded plastic acoustic
enclosure. The LabRAM II external features include
the Acoustic Enclosure, Hood, Left and Right Door,
Touch Screen Human Machine Interface (HMI),
Power Switch, Electrical Connectors and Fuses,
Cooling Fans, and Air Vents.
4.1 ResonantAcoustic®Mixing Platform
The LabRAM II delivers energy to the material being mixed by moving the mixing vessel up and
down 60 times per second at up to 100 gof acceleration.
32”
28”
25”
Hood
Left Door
Acoustic
Enclosure
Right
Door
HMI
Touch
Screen
Front
Electrical
Connectors,
Power
Switch,
Power Cord
Socket
Fans
Rear
Fuses
Air vents
Ports for Accessory

LabRAM II Operations Manual
System Overview
Resodyn Acoustic Mixers 9 Revision 063020
4.2 Acoustic Enclosure
The acoustic enclosure surrounds the patented
resonator system. The enclosure reduces the
sound emitted by the LabRAM II and covers
moving parts that could pose a risk to operators.
4.3 Touch Screen Human Machine Interface (HMI)
The HMI is the primary user interface on the LabRAM II. The LabRAM II is digitally controlled
through the HMI. All data entry and operations are provided through software keypads and
buttons on the screen. The touch screen and operating system is described in detail in Section
8 HMI (Human Machine Interface) – Overview.
During operation the Payload Plate,
Cancellation Plate, Fixture, and Vessel,
are operating at up to 100 gof
acceleration at nominally sixty times
per second. Serious bodily injury is
possible if one comes into contact with
these moving surfaces.
Access Doors
Mixing Vessel
Platform
HMI
Touch
Screen

LabRAM II Operations Manual
System Overview
Resodyn Acoustic Mixers 10 Revision 063020
4.4 Standard Vessel Fixture and Vessels
The standard and supplied Vessel Holder, or hold-down fixture, for the LabRAM II is 5” in
diameter and accommodates vessels between the heights of 2.5” and 5.125.” Components and
function of the Vessel Holder are described in detail below.
For vessels shorter than 2.5”, spacers must be acquired from Resodyn Acoustic Mixers. Some
applications also require specialized, custom hold-down fixtures. Resodyn can accommodate
virtually any vessel shape that a given mixing application requires. Please contact Resodyn
Acoustic Mixers to learn more at +1-406-497-5333 or info@resodynmixers.com.
The Hold-Down Knob turns a threaded shaft that is connected to the Upper Base. Turning the
Hold-Down Knob clockwise lowers the Upper Base, while turning it counterclockwise raises the
Upper Base. The Upper Base holds the Mixing Vessel securely in place when tightened against
it with the Hold Down Knob, and locked with the Jam Nut.
The Bottom Rubber Dot provides support to the center-bottom of the Mixing Vessel and helps
prevent horizontal movement while processing. Do not operate the LabRAM II without the
Bottom Rubber Dot!
The Jam Nut is critical for locking the vessel in place. When secured against the top of the
Upper Base, the Jam Nut prevents the Hold-Down Knob from loosening during operation. The
Jam Nut must be tightened after the Vessel is secured in place using the Hold-Down Knob.
If the Mixing Vessel is not secure in the Vessel Holder during operation, damage may occur to
the mixer, vessel, and the mixing material. Significant mixing ingredient spillage may also occur.
If you require vessel spacers, or a custom Vessel Holder please contact your Resodyn Acoustic
Hold Down Knob
Jam Nut
Cross Bar
Upper Base
Bolts & Standoffs
Lower Base
Bottom Rubber Dot
Vessel Fixture
Fixture
with
Mixing
Vessel

LabRAM II Operations Manual
System Overview
Resodyn Acoustic Mixers 11 Revision 063020
4.5 Processing Accessories
LabRAM II accessories are available to expand its processing capabilities. Those accessories
include Manual and Automatic Vacuum Systems, Jacketed Vessel Heating/Cooling Systems,
and Spray Coating Systems. For details on operation of these systems with the LabRAM II,
refer to the detailed Installation and Operation Manual provided with each system.
•Manual Vacuum System - Enables the user to control the pressure inside the Mixing
Vessel. Pressure is controlled manually by the user to develop optimal processing
characteristics that can be integrated with processing recipes.
•Automatic Vacuum System – Enables the user to control the pressure inside the Mixing
Vessel. Pressure can be controlled manually by the user, or automatically by the
LabRAM II as a parameter of a processing recipe.
•Jacketed Vessel Heating/Cooling System – Mixing ingredient temperature is monitored
and automatically controlled via a Jacketed Mixing Vessel and Heater/Chiller Unit
circulating heated/chilled fluid.
•Spray Coating System – Enables addition of atomized liquid to the mixing vessel during
operation for particle coating processing applications.
User Manuals for LabRAM II Processing Accessories are available for download at
ResodynMixers.com/support/

LabRAM I Operations Manual
Safety
Resodyn Acoustic Mixers 12 Revision 063020
5 System Specifications
The LabRAM II is equipped with the following external connectors:
1) Inlet power
2) Mini USB
3) Fuses (X2)
4) Communication Connector for Automatic Vacuum System
All external connections are found in the back panel of the LabRAM II machine. See Page 21 for
a detailed illustration.
NOTE: The LabRAM II system weighs approximately 260 lbs. without a vessel
holder fixture, and should be handled by a minimum of four people lifting the
machine at each side. Make sure to use safe and adequate lifting procedures.
The lifting procedures are described in Section 3.7 Handling/Lifting. The system
should be placed on a table or bench rated to support the mixer and any
auxiliary equipment, supplies, or loads.
5.1 Voltage Level
The LabRAM II is designed to utilize single phase 100-120 or 200-240 VAC 50Hz/60 Hz supply
voltages for use worldwide.
5.2 Power Consumption
The LabRAM II is designed to be energy efficient by operating at a resonant condition when
mixing. Depending on the acceleration set point, vessel selection, and mix media, the LabRAM II
will draw between 80 and 1200 Watts.
Table 5-1. LabRAM II System Specification.

LabRAM II Operations Manual
Installation and Support
Resodyn Acoustic Mixers 13 Revision 063020
6 Installation and Support
6.1 Unpacking, Lifting, and Placing LabRAM II
Upon receipt of the LabRAM II, do not unpack or remove any packaging materials until
positioned as close to the installation location as possible. When in position, remove all
wrapping and strapping, and shipping paperwork for your records.
Retain all packaging material for at least 1 year, in case machine transport or warranty service
is necessary. Original packaging is required for service shipment during the warranty period and
is highly recommended for any shipment performed during the life of the product.
•Open the top of the box and remove any packing materials, bubble wrap or other items.
When all packaging material is removed, slide the packaging box/sleeve up and over the
LabRAM II. The LabRAM II should be the only remaining item, resting on cushioning
bags in a corrugated tray on the shipping pallet.
•Make sure to remove any loose packaging material from the area before attempting to
move or install the LabRAM II
•With a minimum of four people lifting at all four sides, and using appropriate lifting
practices, the LabRAM II can be lifted straight up and carried to its installation location.
See Section 3.7 on page 6.
•When placing the LabRAM II at its location, allow enough room around the machine to
complete the installation, route wires, and allow for working space, etc.
•After installing the Vessel Holder (Section 6.5 Vessel Holder Assembly) and making all
necessary connections to any accessories such as vacuum systems, re-locate the
LabRAM II to its final position.
6.2 Mounting
The LabRAM II should be installed on a stable, rigid surface that is rated to support the mixer’s
weight. If other equipment or materials are to be placed or used on the same surface, a higher
weight rating should be used as appropriate.
ResonantAcoustic®Mixing (RAM) technology imparts near-zero forces to the surface on which it
is mounted. Careful placement of the mixer, and leveling of the surface by a qualified technician,
is recommended, as is periodic inspection of the positioning and condition of the surface.
Surrounding instruments and accessories should be considered in an overall placement plan.

LabRAM II Operations Manual
Installation and Support
Resodyn Acoustic Mixers 14 Revision 063020
6.3 Door Operation
To access the resonator plate and mixing chamber, and install the vessel holder, turn the door
handle counterclockwise 180°, releasing the right-hand door. Pull the handle outward to open.
NOTE: When power is supplied to the LabRAM II, the mixing chamber is lit internally whenever
the doors are closed and secured. The light automatically turns off when the door is opened.
To open the left-hand door for better access to the mixing chamber, locate the door latch near
the lower left-hand corner of the hood opening.
Release the door catch at the lower left as shown below by pushing the top of the latch lever to
the left until it clears the catch, allowing the door to swing open.
To reclose the left-hand door, swing the open panel to the right until the latch re-engages with
the catch. The right-hand door must be properly closed and latched with the left-hand door.
Always close the left-hand door first, followed by the right-hand door.
Turn
180°
Pull
Forward
To Open,
Push
Latch
Left
Push
Door
Right
to Close
LabRAM II’s right-hand door
functions as an interlock.
The machine cannot be operated with
the right-hand, viewing door open.
Make sure to close the left-hand door
first to maximize the interlock function.

LabRAM II Operations Manual
Installation and Support
Resodyn Acoustic Mixers 15 Revision 063020
6.4 Remove the Shipping Lock Bar
The LabRAM II is shipped with a Lock Bar to secure the resonator during transportation. The
Lock Bar MUST be removed before proceeding with installation or attempting to operate the
LabRAM II.
Remove the 3/16” Hex Wrench from its shipping bag attached to the Warning Label. Using the
provided Hex Wrench, remove the two ¼-20 socket head cap screws securing the lock bar
across the mixing platform. Remove the Lock Bar by lifting it off of the platform and retain it
along with screws for future re-positioning or transport of mixer. A padded Resodyn case is
shipped with the LabRAM II for your documentation, manuals, and other materials like this
hardware.
With the shipping bracket removed, the Vessel Holder assembly can be installed using the
instructions that follow.
Use Provided Hex
Wrench to Remove
Cap Screws

LabRAM II Operations Manual
Installation and Support
Resodyn Acoustic Mixers 16 Revision 063020
6.5 Vessel Holder Assembly
Remove the Vessel Holder Assembly from
the accessory box accompanying the
shipment.
NOTE: The Vessel Holder is shipped with
nuts fastened to the bottom of the ¼-20
socket head cap screws. These nuts hold
the fixture together during shipment.
Remove these two nuts and store them
with other hardware. With the nuts
removed, use care not to remove parts or
change the orientation of the components
until familiar with the assembly.
Follow the positioning and sequence
below for installation, or if reassembly or fixture movement is needed in the future.
Make sure the long, ¼-20 socket head cap screws are positioned properly throughout the
overall Vessel Holder assembly. The cap screws must pass through the Top Cross Bar, Upper
Base, Standoffs, and Lower Base as shown. Thread the two ¼-20 socket head cap screws into
the Top Plate loosely, alternating between screws. When fully seated, torque each cap screw to
8 ft-lbs (10.8 Nm) using a 3/16” Hex Wrench tool.
Hold Down
Knob
Jam Nut
Cross Bar
Upper Base
Standoffs
Lower Base
Hood Rear
Plate
Mixing
Vessel
Hold Down Knob
Jam Nut
Cross Bar
Upper Base
Bolts & Standoffs
Lower Base
Bottom Rubber Dot
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