Teledyne CETAC ASX-112FR User manual

CETAC ASX-112FR Autosampler
Manual Part Number 480159 Rev 6
Operator’s Manual

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© 2008-2019 Teledyne Technologies
Incorporated. All rights reserved.
480159 Rev 6 , April, 2019
Teledyne CETAC Technologies authorizes its
customers to reproduce, transmit, or store
this document in its entirety, including this
page, for the express purpose of installing,
operating, or maintaining the product
described herein.
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Customer Service & Support
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Omaha, Nebraska 68144, USA
Phone [phone] (USA only)
Phone [phone]
E-mail [e-mail]
REVISIONS
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provide the scientific community with an
unparalleled combination of effective
technology and continuing value. Modular
upgrades for existing instruments will
continue to be a prime consideration as
designs progress.
Teledyne CETAC Technologies reserves the
right to revise this document and/or improve
products described herein at any time without
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All other marks are the property of their
respective owners.

3
Contents
1Introduction ..............................................................................................................7
Overview.................................................................................................................................... 7
About This Book..................................................................................................................... 7
Who Should Read This Book...................................................................................... 7
Autosampler Configuration Options ............................................................................. 8
Autosampler Standard Components............................................................................. 9
Additional Equipment Required...................................................................................12
Optional Accessories..........................................................................................................12
Chemical Compatibility.....................................................................................................14
Where to Go for More Information..............................................................................14
2Preparing for Installation ................................................................................. 15
Choosing a Location............................................................................................................15
Space Requirements....................................................................................................15
Work Surface Requirements....................................................................................16
Rinse Solution Requirements...................................................................................16
Liquid Waste Routing Requirements ...................................................................16
Power Requirements...................................................................................................16
Unpacking the Autosampler ...........................................................................................17
3Installing the Autosampler ............................................................................... 19
Overview..........................................................................................................................19
Mounting the Sample Probe Assembly ......................................................................20
Connecting the Rinse Station..........................................................................................23
Peristaltic Pump Configuration..............................................................................24
Gas Displacement Pump Configuration ..............................................................26
Argon Gas Supply for Gas Displacement Pump ................................................27
Assemble and Place the Sample Rack and Vials.....................................................32
Short Rack Configuration .........................................................................................32
Tall Rack Configuration ............................................................................................33
Connecting the Autosampler to the Power Supply...............................................35
Connecting the Autosampler to an Analytical Instrument................................36
Connect the ASX-112FR Autosampler to the Host Computer..........................36
Establishing an RS-232 Serial Communications Interface ................................37
Establishing a USB Communications Interface ......................................................38
Establishing an IEEE Communications Interface ..................................................42
ASX-112FR Tray Files........................................................................................................42
4Verifying Installation.......................................................................................... 43
Testing the Communications Interface......................................................................43
Checking the Autosampler Components ...................................................................44
Testing the Sample Probe ................................................................................................44

ASX-112FR Autosampler Operator’s Manual
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5Using the Autosampler .......................................................................................47
Establishing Optimal Operating Conditions ............................................................47
Creating the Lab Environment............................................................................... 47
Replacing Auto Sampler Components ................................................................. 48
Purchasing Supplies ................................................................................................... 48
Arranging the Sample Vial Racks .................................................................................49
Starting the Autosampler.................................................................................................49
Shutting Down the Autosampler ..................................................................................50
Flushing the Rinse Station and Flow Path................................................................50
Reconfiguring the Autosampler Sample Height ....................................................51
Reconfiguring the Autosampler ICP-MS Personality...........................................52
Changing the Peristaltic Pump Speed.........................................................................52
Installing the Pump Speed Tool ............................................................................. 52
Changing the Pump Speed ....................................................................................... 53
6Maintaining the Autosampler ..........................................................................55
Cleaning the Autosampler ...............................................................................................55
Routine External Cleaning ....................................................................................... 55
Thorough Cleaning ..................................................................................................... 56
Checking for Leaks..............................................................................................................57
Replacing the Rotary Tray...............................................................................................57
Replacing the Rinse Station ............................................................................................58
Replacing Peristaltic Pump Tubing.............................................................................60
Replacing the Sample Probe...........................................................................................61
Replacing the Rinse Tubing ............................................................................................61
Spare Parts .............................................................................................................................62
Peristaltic Pump Tubing ........................................................................................... 62
Sample Probes............................................................................................................... 62
C-Flow PFA Nebulizers for the Aridus II and ASX-112FR ............................ 62
Vials................................................................................................................................... 62
7Troubleshooting the Autosampler.................................................................63
Power System Problems ..................................................................................................63
Communications Interface Problems.........................................................................64
RS-232 Serial Cable Problems ................................................................................ 64
USB Cable Problems.................................................................................................... 65
Software Configuration Problems ........................................................................ 65
Alignment Problems ..........................................................................................................65
Returning the Product to CETAC for Service ..........................................................66
Shipping the Product.................................................................................................. 66
Product Warranty Statement................................................................................. 66
Returned Product Procedures ................................................................................ 67
Returned Product Warranty Determination .................................................... 68
8Operating a CETAC Autosampler Using a Terminal Program ..............69
Using C-Term™ .....................................................................................................................69
Starting C-Term ........................................................................................................... 69
Overview of the C-Term Window........................................................................... 70
Configuring C-Term .................................................................................................... 71
Setting Preferences ..................................................................................................... 72
Using HyperTerminal ........................................................................................................72
Autosampler Commands..................................................................................................76

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9Safety and Regulatory Information ............................................................... 77
Characteristics ......................................................................................................................77
Environmental Characteristics...............................................................................77
Electrical Characteristics..........................................................................................78
Safety Notices ........................................................................................................................79
Power Cord Set Requirements ................................................................................79
Power Cord Safety Maintenance............................................................................79
Mains Disconnect .........................................................................................................79
Cleaning Instructions .................................................................................................80
Mechanical Hazards ...................................................................................................80
Operating Environment.............................................................................................81
Explanation of Caution and Warning Notices..................................................82
Avertissements en Français............................................................................................83
Electromagnetic Interference ........................................................................................84
Explanation of Regulatory Marks.................................................................................84
10 Glossary ................................................................................................................... 85

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7
1Introduction
Overview
The CETAC ASX-112FR autosampler is designed to be sturdy, reliable, and easy
to use. It provides automated sample introduction that enables you to perform
other tasks while the autosampler runs. The ASX-112FR autosampler
automatically introduces up to 96 samples when fully loaded. It contains a
microprocessor that allows sequential or random sampling, providing
flexibility.
The autosampler is typically interfaced to and controlled by the ICP-MS
instrument host computer using a serial or USB connection.
The ASX-112FR offers a small footprint to conserve bench space, a short
sample path to preserve valuable sample, and a protective cover to prevent
sample contamination. The dual flowing rinse station prevents carry over to
ensure sample integrity. The ASX-112FR is both contamination and corrosion
resistant and offers a completely inert flow path.
The ASX-112FR can be conveniently placed on top of the CETAC Aridus II™ or
Aridus3 Desolvating Nebulizer System. The Aridus is commonly used for signal
enhancement/interference reduction for ICP-MS. Applications include
corrosive, limited-volume samples for geology and semiconductors.
About This Book
This document describes the procedures for installing, using, and maintaining
the autosampler. It also provides information about troubleshooting minor
problems and describes the design of the autosampler.
This manual covers the following products:
CETAC ASX-112FR
Who Should Read This Book
The primary audience for this manual consists of analytical chemists and lab
technicians. To use this manual effectively, you should have a basic knowledge

ASX-112FR Autosampler Operator’s Manual
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8
of chemistry, a basic knowledge of electronic sampling equipment, at least a
beginning level of computer experience, and working knowledge of the
analytical instrument used with the autosampler.
CHEMICAL INJURY HAZARD
The autosampler is intended for use only by qualified operators who have
been trained in safe laboratory practices. Make sure you know the hazards
associated with all of the chemicals you are using, and take the appropriate
precautions. Exposure to laboratory chemicals may result in serious injury.
Autosampler Configuration Options
The ASX-112FR is very configurable making it ideal for use in multiple
applications. Three models are available. The standard model comes with a
polypropylene rinse station controlled by a peristaltic pump. A second model
comes with a polypropylene rinse station controlled by a gas displacement
pump, which uses compressed gas to push the rinse solutions through the
rinse station. A third model is equipped with a PFA rinse station and a gas
displacement pump for ultra-clean applications.
All three models have the option to be selected in either a tall or short
configuration. The height configuration restricts the choice of racks to be
either tall—BelArt half racks (with 7 mL or 14 mL vials) or short—CETAC
racks for small samples (with 0.5 mL, 1.0 mL, 1.5 mL or 2 mL vials). The rinse
station is also configured in either a tall or short version.
Three probe sizes are offered: 0.010” (0.25 mm), 0.010” (0.25 mm) ID, and
0.035” (0.89 mm) ID. The 0.035” ID is expected to be the standard with the
0.010” ID designed for a low-flow (<0.5 mL/min) nebulizer. If the ASX-112FR
is used with the CETAC Aridus II™ or Aridus3 system, then the uptake line of
the C-Flow PFA nebulizer is typically used as the sample probe in a self-
aspiration mode.
Spares kits are available to convert a tall model into a short model, and vice
versa. Optional rack kits are also available as spares.
The front of the ASX-112FR is shown in Figure 1-1.
WARNING

ASX-112FR Autosamplers Operator’s Manual
Chapter 1: Introduction
9
Autosampler Standard Components
Figure 1-1. ASX-112FR Autosampler—Front View
Figure 1-2. ASX-112FR Autosampler—Side View.
KCover
FZ-Drive Assembly
GY-Arm Assembly
HSample Probe
ERinse Alignment
DDual Flowing Rinse
Station
CStandards Vials
BSample Rack
JStatus LED
IPower Switch
ARotary Tray

ASX-112FR Autosampler Operator’s Manual
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The following components are located on the front of the autosampler and are
shipped with the autosampler. Each lettered item corresponds with a callout in
Figure 1-2.
ARotary Tray. The rotary tray has 14 standard positions and a rectangular
center cavity, which holds one sample rack in place.
BSample Rack Location. The ASX-112FR includes one sample rack. Rack
choices include short or tall rack configurations. A keyed interface plate is
required to use the short racks. The tall racks are placed directly in the rotary
tray with no interface plate required. The appropriate sample vials must be
used for each rack, and the host computer’s software must be configured for
that particular rack layout and number of positions. The identification
designations are shown in the host computer's software – if the software does
not include a specific reference for the ASX-112FR, a reference for the older
model ASX-100 may be applicable with the ASX-112FR tray files.
Short – CETAC Racks:
•24 position, 1.5 mL or 2.0 mL vials
•48 position, 0.5 mL vials
•96 position, 1.0 mL vials
Tall – Bel-Art Half Racks:
•30 position, 14 mL vials
•42 position, 7 mL vials
CStandards Vials. Up to 14 standards positions are available with the
autosampler:
Short Tall
9 – 4 mL vials 9 – 10 mL vials
5 – 20 mL vials 5 – 30 mL vials
D Dual Flowing Rinse Station. The dual rinse station is located next to the
sample tray. It comes with tubing used to connect the rinse station to two
separate rinse sources (deionized water pre-rinse and acid full rinse) and the
waste container. The rinse station is provided in either a short or tall version
to match the rack choice.
E Rinse Alignment Block.
F Z-Drive Assembly.
G Y-Arm Assembly. The Y-arm is attached to the Z-drive assembly in one of
three mounting locations depending upon the choice for short or tall function.
H Sample Probe. Sample probes are constructed of fluoropolymer tubing
reinforced with a carbon fiber or polyimide tube to provide strength and
maintain straightness. Available probe sizes include 0.010” (0.25 mm) ID,
0.010” (0.25 mm) ID, and 0.035” (0.89 mm) ID. If the ASX-112FR is used with
the Aridus II or Aridus3, then the uptake line of the C-Flow PFA nebulizer
(equipped with a polyimide support tube) is used as the sample probe.
I Power Switch. Rocker switch, single pole-single throw, 16 amp.

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J Power/Status LED. Green light should be lit when the power is on and the
autosampler is ready to operate.
K Cover. The cover door may be opened (using a bar latch) to add or remove
sample vials or the sample rack. Do not open the cover during autosampler
operation (see page 32).
The following standard components are located on the back of the ASX-112FR
and are shipped with the autosampler. Each lettered item corresponds with a
callout in either Figure 1-3 or Figure 1-4.
Figure 1-3. ASX-112FR Autosampler-Back View Gas Displacement Pump
Model.
Figure 1-4. ASX-112FR Autosampler-Back View Peristaltic Pump Model.

ASX-112FR Autosampler Operator’s Manual
Chapter 1: Introduction
12
AOn-Board Rinse Pump. The on-board rinse pump may be either a peristaltic
pump or a gas displacement pump. In either configuration, the pump is
located in the upper right-hand corner on the back of the autosampler. The
pump moves the rinse solutions from two rinse sources through the flowing
rinse station.
B24VDC Input. The six-pin jack for 24VDC input from the power module.
C Auxiliary I/O Port. The auxiliary I/O port detects switch closures or can
trigger devices that can be operated from switch closure (TTL) event triggers.
It can also be used to control external devices that require +24VDC. An
example of such a device is the QuickWash Accessory that can be used with the
Aridus II™ or Aridus3 Desolvating Nebulizer System.
D One RS-232 Serial I/O Port-COM1. The serial port is located in the center of
the lower back of the autosampler. The COM1 port is the communications
interface between the ASX-112FR and the analytical instrument’s host
computer.
E USB Option. The ASX-112FR comes standard with a USB port. This port can
be used to interface the ASX-112FR with the host computer.
F Auxiliary Module Port. The auxiliary module port is included for possible
addition of an external device that requires +24VDC.
There are two sets of dipswitches located on the bottom of the autosampler.
The five-position dipswitch defines normal operating mode or rabbit
programming mode. The first three switches of the eight-position dipswitch
define the ICP-MS interface and switch #6 controls whether the autosampler
functions in the Tall or Short mode: 1 = Tall (Bel-Art racks), 0 = Short (CETAC
racks).
The following standard components are also shipped with the ASX-112FR:
External Desktop Power Supply. The input rating is AC 100V-240V, 1.9 A,
with an output of DC 24V, maximum 3.3 A.
Serial Interface Kit. The kit includes DB9F port adapters for host computers
with normal AT-style DTE serial ports, and a 1.828-meter modular cable.
Additional Equipment Required
In addition to the provided equipment, you will need:
A host computer which has been configured with the ICP-MS software. This
computer must have an additional free USB or serial ports beyond the ports
required to control the autosampler, spectrometer, and other system
components.
Optional Accessories
If you are doing a specialized type of analysis or are connecting the ASX-112FR
to a host computer that uses a non-RS-232 communications protocol, you may
need optional accessories in addition to the standard components included
with the autosampler. The following accessories are available for the ASX-
112FR:

ASX-112FR Autosamplers Operator’s Manual
Chapter 1: Introduction
13
IEEE-488 Interface Kit. The kit includes an RS-232/IEEE-488 converter
box, an IEEE-488 cable, a power cord, and instructions. It is used to convert
an IEEE communications protocol to a serial protocol.
C-Flow PFA Nebulizer. The C-Flow Nebulizer is a molded, fixed-capillary
style PFA concentric nebulizer for the introduction of low-volume (< 1mL)
samples to an ICP-MS. The inert PFA construction allows the introduction
of all acids (including hydrofluoric acid), alkalis and organic solvents. It
features a standard 6mm diameter tip for easy installation to most spray
chambers.
QuickWash Fast Washout Accessory. The QuickWash Fast Washout
Accessory can be used with the Aridus II™ or Aridus3 Desolvating
Nebulizer System and the ASX-112FR Autosampler. The ASX-112FR can
trigger the QuickWash to begin a rinse cycle for the nebulizer’s PFA spray
chamber.
Alternate Rinse Height Kit. Alternate rinse kits are available as spares to
convert a short configuration into a tall and vice versa.
Alternate Sample Rack Kits. Additional rack kits are available as spares to
run samples of varying volumes.
Sample Probes. A variety of sample probes are available as spares. Probes
are available with internal diameters of 0.25 mm, 0.50 mm, and 0.89 mm.
NOTE:
Contact Teledyne CETAC Technologies if you need additional accessories not
listed, need added features to integrate the autosampler into your analytical
system, or have unique requirements. Research and development of new
features and accessories for the autosampler, often inspired by customer
requests, is a continuing activity at Teledyne CETAC Technologies.

ASX-112FR Autosampler Operator’s Manual
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14
Chemical Compatibility
Autosampler components are made of Ultra-High Molecular Weight
Polyethylene (UHMW-PE) and Polyethylene Terephthalate. The base is made
from a high-strength aluminum alloy with an epoxy powder coating finish. The
sample racks are made from UHMW-PE or polypropylene and are protected
from airborne contaminants and operator interference by a polycarbonate
cover. Sample vial choices include PFA and polypropylene.
The ASX-112FR operates reliably under a wide variety of conditions.
Components in the sample flow path are made of FEP or PFA. When these
inert, non-metallic materials are used at temperatures less than 135°C, they
can withstand repeated exposure to the following substances:
Predominantly aqueous solutions of strong acids (less than 40%)
Common organic solvents such as acetone, alcohols, ethyl acetate,
Methylethylketone (MEK), petroleum oils and derived fuels,
tetrachloroethylene, toluene, kerosene and xylene.
DAMAGE FROM CHEMICAL EXPOSURE
Prolonged or repeated exposure to temperatures greater than 135°C and to the
following substances can cause failure of the flow path components:
• Solutions of concentrated acids (greater than 40%).
• Solutions of concentrated bases (greater than 10% potassium, ammonium, or
sodium hydroxides).
• Partially halogenated hydrocarbons or extremely aggressive organic solvents
(chloroform, methylene dichloride, 1,1,2-trichloroethane).
CHEMICAL HAZARD
Do not use the autosampler with substances which could pose a hazard of
serious injury to the operator if spilled or injected, such as biological
substances or formic acid.
Where to Go for More Information
In addition to this manual, you can refer to the following resources:
New versions of this manual may be available under “Service and Support”
on CETAC’s Web site: www.cetac.com
ASX-112FR Autosampler Spare Parts Catalog, available on the CD-ROM or
under "Parts" on CETAC’s Web site.
Teledyne CETAC Technologies Customer Service and Support:
Phone: [phone] (USA only)
1 [phone]
E-mail: [e-mail]
The software manual for the ICP-MS instrument you are using.
CAUTION
WARNING

15
2Preparing for
Installation
Installing the autosampler requires preparation. Before you install the
autosampler, you should evaluate the physical arrangement of the laboratory
to choose a suitable location. Once you choose a location, you must carefully
unpack the autosampler prior to beginning the installation.
This chapter discusses what requirements must be met when you choose a
location. It also describes how to unpack the equipment before installation.
Choosing a Location
Choosing a location for the autosampler involves evaluating the lab
environment for the availability of space, liquid waste routing and power. For
the system to function optimally, the location you select must meet specific
requirements associated with each of these items. The following sections
discuss space, water, and power requirements.
Space Requirements
Most analytical applications benefit from utilizing the shortest sample flow
path. Therefore, you should place the autosampler in close proximity to the
analytical instrument. The recommended footprint for the autosampler is
shown in the following table.
Dimensions Recommended Footprint
Height 44 cm (17.3") 55 cm (22")
Width 34 cm (13.4") 44 cm (17")
Depth 52 cm (20.5") 59 cm (23")
Weight 14.1 kg (31 lbs)
Table 1: Physical Characteristics – ASX-112FR
The weight shown is that of the autosampler itself, without the desktop power
supply or other accessories.

ASX-112FR Autosampler Operator’s Manual
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16
Allow at least 5 cm behind the autosampler for power cord and
communication cable egress. Always position the equipment so that it is easy
to disconnect the power cord.
Work Surface Requirements
The ASX-112FR can be conveniently placed on top of the CETAC Aridus II or
Aridus3 Desolvating Nebulizer System. Otherwise, the autosampler must be
placed on a sturdy countertop or table. Do not place the autosampler on a
wheeled cart or folding table.
During operation, the autosampler produces both vertical and horizontal
forces. If the work surface is allowed to shake or wobble, the autosampler may
“walk” across the surface, liquids may spill, or data quality may be affected.
Rinse Solution Requirements
For most applications, 2% nitric acid (HNO3) (v/v) is used as the primary rinse
agent and deionized water is used as the pre-rinse agent in the ASX-112FR.
Place the rinse agent source(s) within two meters of the ASX-112FR.
CHEMICAL INHALATION AND BURN HAZARD
Observe all necessary safety precautions when handling nitric acid (HNO3)
solutions. Wear appropriate personal protective equipment, including face
shield or goggles, gloves, and a laboratory coat, and ensure that
engineering controls (such as ventilation systems) are operating properly.
Liquid Waste Routing Requirements
Ensure that there is a liquid waste receptacle within two meters of the
autosampler. The waste receptacle inlet should be 30 to 60 centimeters lower
than the autosampler rinse station outlet and set up so that the rinse drain
tubing drops directly into the waste receptacle with no coiling and without
being submerged below the liquid level of the waste receptacle.
SUBMERGED DRAIN TUBING MAY CAUSE EQUIPMENT DAMAGE
Ensure that the rinse drain tubing is not submerged in the waste liquid. If the
tubing is submerged, waste liquid can back up in the rinse station, flooding the
sample tray and potentially damaging the electronics.
Power Requirements
The autosampler is powered by the supplied external desktop "brick" power
supply. Place the autosampler within 1.2 meters of a power outlet.
SHOCK AND FIRE HAZARD
Use only the provided power supply. The power supply must be plugged
into an outlet which has a protective ground connection.
The autosampler is intended to operate from DC power supplied through the
provided power supply. The power supply is provided power through an AC
power source that will not apply more than 240VAC between the supply
WARNING
CAUTION
WARNING

ASX-112FR Autosamplers Operator’s Manual
Chapter 2: Preparing for Installation
17
conductors and ground. A protective ground connection by way of the
grounding connector in the power cord is required for safe operation.
Ensure that you position the autosampler so that the location where the power
supply cord plugs into it is easily accessible (is not blocked) and it can be
quickly disconnected if needed. In case of hazard, the autosampler should be
disconnected from the power source.
The power supply socket is on the back of the autosampler (see Figure 1-4 on
page 11). Connect the power supply to the autosampler first and then connect
a line cord to the power supply. Do not apply power to the power supply until
ready to operate the autosampler.
Unpacking the Autosampler
LIFTING HAZARD
The autosampler may be awkward to lift. Incorrect lifting technique may
cause personal injury. Use caution when lifting the autosampler.
Inspect external packaging upon receipt for signs of shipping damage. Inspect
all items during unpacking and notify the carrier immediately of any concealed
damage. Check for any kinked or bent tubing.
If the system is shipped or removed from storage during cold weather, allow
the packaged equipment to equilibrate to room temperature before opening
and exposing to warm, humid air. It is usually sufficient to provide four to eight
hours for this purpose.
EQUIPMENT DAMAGE FROM CONDENSATION
If condensation forms on or inside the autosampler, allow it to dry thoroughly
before connecting it to a power source and operating it. Failure to do so may cause
equipment damage.
Remove the packing checklist from the shipping container, and check off items
against it. Leave accessories in the packing until you are ready to install them.
NOTE
Keep the factory packaging for use in case the product ever needs to be
returned or shipped to another location.
WARNING
CAUTION

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19
3Installing the
Autosampler
The autosampler is designed for easy installation. Installation consists of two
parts: assembling the autosampler and connecting it to the host analytical
instrument.
The autosampler can be installed with minimal effort; no tools are required.
You can remove thumbscrews with tools if necessary, but do not tighten them
with anything other than your fingers.
Overview
To install the autosampler, you must complete the following tasks. Each of
these tasks will be discussed in detail later in this chapter.
Mount the sample probe assembly.
Connect the rinse station.
Assemble and place the sample racks and standards vials.
Establish external connections.
Connect the ASX-112FR autosampler to the host computer.
Ensure the power switch is off and the power cord is unplugged before
proceeding with installation. If the power is left on, motors may move
unexpectedly and cause injury.
WARNING

ASX-112FR Autosampler Operator’s Manual
Chapter 3: Installing the Autosampler
20
Mounting the Sample Probe Assembly
Mounting the sample probe assembly on the autosampler is the first task in
assembling the ASX-112FR. However, prior to mounting the probe, the
installation of the Y-arm should be confirmed to be compatible with the height
of the racks intended for use.
Figure 3-1 shows three sets of mounting holes provided for height options for
the Y-arm. If the autosampler is intended to run with half Bel-Art racks and
tall standards in the tall configuration, make sure the Y-arm is mounted in the
top most mounting location. If the autosampler is intended to run with the
CETAC short racks and short standards in the short configuration, make sure
the Y-arm is mounted in the center or short mounting position (see Figure
3-1).
Figure 3-1. Y-Arm Mounting Positions.
Tall Mounting Position
Center Mounting Position
Short Mounting Position