Eddyfi Technologies Inuktun Versatrax 150 Analog User manual

Eddyfi Robotics Inc.
2569 Kenworth Road, Suite C
Nanaimo, BC, V9T 3M4
CANADA
+1.250.729.8080
[e-mail]
www.eddyfitechnologies.com
INUKTUN VERSATRAX 150™

Versatrax 150™
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User Manual
Table of Contents
About This Manual........................................................................................................................................5
System Description.......................................................................................................................................5
Specifications............................................................................................................................................6
Certification...............................................................................................................................................7
Safety........................................................................................................................................................7
System Setup................................................................................................................................................9
Working Environment ...............................................................................................................................9
System Power...........................................................................................................................................9
Power Requirements .............................................................................................................................9
Set the Line Voltage.............................................................................................................................10
Generators / Inverters..........................................................................................................................10
Connections............................................................................................................................................11
Pre-Configured Control Rack...............................................................................................................11
Control System Connections –SD Video............................................................................................12
Control System Connections –HD Video............................................................................................12
Fiber Optic Tether................................................................................................................................13
Client Configured Rack........................................................................................................................14
Vehicle and Tether...............................................................................................................................15
Winch Installation....................................................................................................................................16
Portable Reel Setup................................................................................................................................16
Tether Handling ......................................................................................................................................17
Connector Handling................................................................................................................................17
SubConn Connector: Lubrication and Cleaning ..................................................................................18
Impulse Connector: Lubrication and Cleaning.....................................................................................18
System Installation..................................................................................................................................18
Vehicle Layout .....................................................................................................................................18
Vehicle Handling..................................................................................................................................19
Communication....................................................................................................................................19
Personnel Requirement.......................................................................................................................19

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User Manual
Vehicle Configuration..................................................................................................................................20
Parallel Vehicle.......................................................................................................................................20
Chassis Pipe Sizing.............................................................................................................................20
Powered Camera Raise.......................................................................................................................21
Minimum Bend Sizes...........................................................................................................................22
Spectrum 90™ Installation...................................................................................................................23
Spectrum 120HD™ Installation ...........................................................................................................25
Spectrum 120™ Bumper Bars.............................................................................................................25
Light Installation...................................................................................................................................26
Minitrac™ Installation...........................................................................................................................28
Track Height Extensions......................................................................................................................31
Spectrum™ Camera Extension ...........................................................................................................32
Rear Camera Installation.....................................................................................................................33
Advanced Accessories.........................................................................................................................34
Minitrac™ Length Extensions ..............................................................................................................34
Active Track Chassis Articulation ........................................................................................................34
Sonde...................................................................................................................................................35
Fiber Optic Tether................................................................................................................................36
Laser Scanner Mount...........................................................................................................................37
Odometry Module ................................................................................................................................38
Inline Vehicle...........................................................................................................................................40
Minitrac™ Installation...........................................................................................................................40
Spectrum 90™ Installation...................................................................................................................41
Guide Wheel Adjustment.....................................................................................................................41
Camera Height / Skid Adjustment........................................................................................................43
Rear Camera Installation.....................................................................................................................44
Operation.....................................................................................................................................................45
Pre-Operations Check ............................................................................................................................45
Post-Operations Check...........................................................................................................................46
ICON™ & ICON™ RPT ..........................................................................................................................46
Power-Up Sequence...............................................................................................................................46
Ground Fault Detection & Alarms...........................................................................................................47

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User Manual
Dealing With Obstacles ..........................................................................................................................48
Inspection Guidelines .............................................................................................................................48
Powered Winch Operation......................................................................................................................48
Vehicle Recovery....................................................................................................................................49
Emergency Recovery...........................................................................................................................50
Troubleshooting ..........................................................................................................................................50
Camera Control Problems......................................................................................................................50
Video Problems.......................................................................................................................................51
Vehicle Problems....................................................................................................................................51
Winch Problems......................................................................................................................................52
Maintenance................................................................................................................................................53
Rinsing and Cleaning..............................................................................................................................53
Fuse Replacement..................................................................................................................................53
Minitrac™ Maintenance ..........................................................................................................................53
Camera Maintenance .............................................................................................................................53
Tether Re-termination.............................................................................................................................54
Parts and Repairs .......................................................................................................................................54
Ordering Parts/Customer Service...........................................................................................................54
Warranty Repairs....................................................................................................................................55
Factory Returns to Canada.....................................................................................................................55
Product/System Drawing Package Availability.......................................................................................55
Limited Warranty Policy ..............................................................................................................................56

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User Manual
About This Manual
This manual has been prepared to assist you in the operation and maintenance of your Eddyfi
Technologies’ Inuktun equipment. Correct and prudent operation rests with the operator who must
thoroughly understand the operation, maintenance, service and job requirements. The specifications and
information in this manual are current at the time of printing.
This product is continually being updated and improved. Therefore, this manual endeavors to explain and
define the functionality of the product. Furthermore, schematics or pictorials and detailed functionality
may differ slightly from what is described in this manual.
Eddyfi Technologies reserves the right to change and/or amend these specifications at any time without
notice.
Information in this manual does not necessarily replace specific regulations, codes, standards, or
requirements of others such as government regulations.
This manual is copyright © 2019 by Eddyfi Robotics Inc. All rights reserved.
System Description
The Inuktun Versatrax 150™ is a system of pipeline video inspection vehicles based on the Minitrac™ 8000
crawler. Using In-Line and Parallel chassis’, the system navigates pipelines from 150 –900 mm (6 –36 in)
internal diameter with the camera centered, with an infinite size range with the camera non-centered. As
such, the parallel chassis is often used for inspections over industrial floor space, pools and other harsh
environments as well.
The inspection system has been manufactured with the hazards and demands of pipe inspection in mind.
The rugged dual tracks permit pipe penetration up to 1,000 m (3,300 ft), with extended range possible using
an optional fiber optic tether.
All Versatrax hardware can be used dry, underwater, or in dirty, muddy conditions. The rugged design
ensures a long service life and helps protect the vehicle from damage during normal use.
Typical applications include inspection of:
•Sewer and storm drains
•Hydroelectric pipe and infrastructure
•Steam headers
•Tanks and pressure vessels
•Oil and gas refineries and pipelines
•Pulp and paper mills

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User Manual
Specifications
Min Vehicle
Dimensions
Parallel
Ø300 x 1050 mm (Ø12 x 41.5 in)
Inline
Ø150 x 2000 mm (Ø6 x 79 in)
Vehicle
Weight1
Parallel
45 kg (100 lb)
Inline
45 kg (100 lb)
Depth Rating
60 m (200 ft)
Pipe Size
Range2
Parallel
Camera Centered
305 –610 mm (12 –24 in)
Camera Centered with Track Extension
460 –700 mm (18 –28 in)
Camera not Centered
610 mm (24 in) –Flat
Inline
Camera Centered with Skids
150 –305 mm (6 –12 in)
Maximum Tether Length3
1,000 m (3,300 ft)
Tracks
2x Minitracs™8000
Camera
Front
Standard
Spectrum 90™
Option
Spectrum 120HD™
Rear
Standard
Sapphire™
Lights
(Parallel Only)
2x 901 Lights
Reel
Standard
Portable tether reel with payout encoder
Option
High capacity powered winch
Parallel Chassis Optional Components
Manual Camera Raise
Weight Kit –25.5 kg (56 lb)
Track Extension Kit
Camera Extension Kit
Powered Active Track Angle Adjustment
Power Requirements
100 –240 VAC 50/60Hz, 1.9 –3.1 kW
Operating Temperature
0 –50 ºC (32 –122 ºF)
Storage Temperature
-20° –60 ºC (-4 –140 ºF)
1
Weights may vary depending on optional components
2Specified pipe sizes are internal diameters
3Actual travel distance may be decreased depending on inspection geometry (traction and number of bends)

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User Manual
Certification
The Inuktun Versatrax 150™ system is built in accordance with the Low Voltage Directive 2006/95/EC,
Machinery Directive 2006/42/EC, and Electromagnetic Compatibility Directive 2004/108/EC.
Safety
In order to be able to use this product properly and safely, every user must first read these operating
instructions and observe the safety instructions contained therein. Take care of these operating
instructions and keep them in a place where they can be accessed by everyone. Untrained personnel
should not handle or operate this equipment.
CAUTION: Failure to follow these safety instructions may result in injury or
equipment damage.
This system includes some specific devices that have their own User Manuals. Instructions on those
manuals must be also read before using the system.
WARNING: High Voltage
The tether carries 400 VDC to the rear harness block, and the Minitrac™ whips
carry 400 VDC from the harness block to the tracks. Always Keep the tether
capped when not installed on the vehicle. Follow the guidelines for preventing
tether damage.
400 VDC can cause serious injury or death. Do not operate with a damaged
tether or Minitrac™ whip. Do not operate the system with damaged wires.
Damaged cabling poses a shock hazard. Repair damaged cabling before
operating the vehicle. A short circuit may also damage the controller, cameras, or
any attached equipment.
Disconnect the power source before servicing the product; otherwise, damage or
fatal injury may result.
The power supply is equipped with a ground fault interrupt circuit. Do not cheat or
bypass the ground fault interrupt circuit. Do not power the equipment from a
source other than the Eddyfi Technologies provided power supply.

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User Manual
WARNING: Intense Optical Radiation - The Versatrax 150™ camera lights and
901 auxiliary lights are extremely bright and can cause temporary flash blindness.
Never look directly at the lights, or even from a shallow angle. Use a welding filter
(shade #8 or higher) if inspecting the LEDs.
CAUTION: Class II Laser: The Spectrum 90/120™camera may
be equipped with laser lines. Do not intentionally stare into the
beam. Typically, Class II relies on the blink reflex to limit exposure
to no more than ¼-second. Intentionally staring into the beam can
cause eye injury.
•When performing maintenance or functional checks of the
lasers and camera lights, take precautions to protect
nearby personnel from unintended exposure which could
be temporarily blinding.
•Observe safe lifting and handling practices. Component parts of the Inuktun Versatrax 150™
system are heavier than the recommended lifting load for a single person. Two people are
recommended for lifting the vehicle.
•Never drop the vehicle. Although built tough, the vehicle is heavy and can suffer structural
damage when dropped.
•Prevent impact to the front of the 901 lights, Spectrum 90/120™ camera and Inuktun Sapphire™
cameras as they can suffer damage.
•Eddyfi equipment is used in many varied environments from hot/dry to confined spaces to deep
underwater. Such diverse environmental risks must be addressed by the operators who are
trained to work in such surroundings. As such, the operators are responsible to determine safe
site setup, work procedures and appropriate personal protective equipment (PPE) for setup and
operation of the equipment.
WARNING: Trip Hazard - Never stand on the tether. The vehicle and winch are
strong enough to pull it out from underneath you and cause you to fall. Standing
on the tether may also cause damage to the internal conductors and decrease the
life of the protective jacket.
WARNING: High Temperature - The camera head, 901 lights and harness block
may become extremely hot during operation. Always wear protective gloves when
handling these parts of the vehicle after they have been in use. Allow a cool-down
period before handling without gloves.
WARNING: Spark Hazard - Under no circumstances should this equipment be
used in a potentially explosive atmosphere

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User Manual
WARNING: Mechanical Pinch Hazard –Rotating or moving components can
draw fingers into a pinch position. Do not handle the vehicle while mobile parts are
running, turn off power or disconnect the tether while reconfiguring or maintaining
the vehicle.
System Setup
Working Environment
The control system (interface box, power supply, and Control computer) is to be used in a dry, covered
environment only. These components are not waterproof. Keep all cords and cables away from water.
The tether and vehicle are depth rated to 60 m (200 ft) of water. The tether connector is a wet-mate type
which may be wet when plugged in but cannot be plugged in underwater. Keep the tether connector
capped with a dummy plug when not connected to the vehicle to help keep out dirt. The tracks are
tolerant to sandy and muddy conditions, although this decreases seal life. The vehicle may also be
operated in dry or dusty environments.
The portable reel and winch are splash resistant only. Refer to the reel manual.
To maximize component life and minimize deployment time it is recommended that the vehicle and tether
be cleaned after use and the entire system stored in a dry, dust free, location.
System storage temperatures are between -20 ˚C –60 ˚C (-4 ˚F – 140 ˚F)
System Power
Power Requirements
The power requirements given below are maximums for a fully configured system with cable reel. For
use with 110 VAC source, a fully configured Versatrax150™ system requires three independent standard
15 A circuits for power, or one 20 A and one 15 A circuits as follows.
Power
Circuit
Control Computer
500W
110 VAC @ 15 A
110 VAC @ 20 A
Monitor
80W
Power Supply / Interface Box
1300W
110 VAC @ 15 A
Powered Winch
1200W
110 VAC @ 15 A
110 VAC @ 15 A
System Total
3080 W

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User Manual
Set the Line Voltage
Before powering on the Versatrax 150™ system, it is important to check that the input voltage settings
are correct - an incorrect voltage setting will damage the system power supply and the winch controller.
When installing the system in a new location always check the line voltage.
•Monitor: Universal - no action required.
•Computer: Universal - no action required.
•Interface Box: Universal - no action required.
•Power Supply: Set the line voltage switch to 115/230VAC and change fuse.
oFor 115 VAC use 15 A MDA type fuse.
oFor 230 VAC use 10 A MDA type fuse.
•Winch: Jumpers must be set inside the hand-held controller to switch between 115 VAC and
230 VAC. Refer to the winch manual for instructions.
WARNING: Line Voltage Select –Failing to select the proper line voltage on the
power supply and winch will result in equipment damage.
Generators / Inverters
If powering the system from a generator or inverter, refer to that unit’s operating manual for
recommendations on continuous and peak load ratings. These power sources may apply a reduced
output rating based on electrical load and environmental temperature. Remember to include the power
needs of all other connected devices (external monitors, recording devices, lighting, etc.) when selecting
a generator or inverter.

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User Manual
Connections
Pre-Configured Control Rack
The monitor, computer, interface box and power supply are typically installed and connected in a shock-
mount portable 19 in rack case. Systems pre-configured in a control rack will only need the tether, winch
and vehicle connections to be made before operations.

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User Manual
Control System Connections –SD Video
The ability to receive standard definition or high definition video depends on the interface box used with
the system. A standard definition interface box is depicted below which would be connected to the high
voltage power supply.
1. Connect the power supply to the interface box using the supplied interface cable. Ensure the
locking collars are screwed on all the way.
2. Connect the USB comms to the control computer.
3. Using equipment power cords connect the power supply and interface box to the 20-Amp power
bar supplied with the equipment rack. Note that the power bar will only accept equipment power
cords. The input cord on the power bar can be changed depending on the input voltage and
location.
4. Connect the tether (or deck cable from the winch or reel) to the interface box as illustrated below.
5. Connect the front monitor or video capture to channels A, B or C (three-way splitter) and the rear
monitor or video capture to channel D, E or F. These are the default output, but the connector
assignments are also software configurable.
Control System Connections –HD Video
A high definition interface box is depicted below which would be connected to the high voltage power
supply. For an HD system make the following connections:
1. Connect the power supply to the interface box using the supplied interface cable. Ensure the
locking collars are screwed on all the way.
2. Connect the USB2 comms to the control computer.
3. Using equipment power cords connect the power supply and interface box to the 20-Amp power
bar supplied with the equipment rack. Note that the power bar will only accept equipment power
cords. The input cord on the power bar can be changed depending on the input voltage and
location.
4. Connect the tether (or deck cable from the winch or reel) to the interface box as illustrated below.
5. Different options may be present for SD video, depending on interface box model. If the interface
box has an internal video capture card there will be two USB2 ports labelled Video A and Video
B. These will be the front and rear standard definition cameras on the vehicle. Analog SD video
is available as normal through the RCA connectors. Use A,B or C for front video (if this is an SD

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User Manual
video system) and D, E or F for rear video. There are spare front and rear video outputs which
can be connected to external monitors.
6. Options for HD video out include HD-SDI, USB3 (internal capture device) and component Pr-Y-
Pb. These connectors are for the front High Definition Camera. Spare connectors are active and
may be connected to external monitors, capture cards or recording devices.
Fiber Optic Tether
Systems equipped with a fiber optic tether employ a fiber bundle running down the middle of the tether to
transmit communications and video to and from the vehicle. The fiber bundle is terminated through a slip
ring into an interface box mounted to the side of the winch. All the necessary fiber receiver equipment is
in the interface box. From the interface box, video signals are routed through the deck cable as they
would through a copper tether, and control communications connect directly to the control computer
through an Ethernet cable.
See the winch manual for detailed operating instructions.

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User Manual
Client Configured Rack
If you are installing the power supply and interface box into your own 19 in rack installation, consideration
must be given to adequate air flow for cooling the power supply. In any installation, ensure that the air
inlet and outlet at the sides of the power supply are free of obstructions. The system could overheat if
airflow is restricted. The front or back of the 19 in rack must also be open for air flow.

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User Manual
Vehicle and Tether
It is important that the tether be properly connected to the vehicle –otherwise damage to the system may
result.
1. Connect the vehicle end of tether to the back of the integrated harness block. Visually line up the
key in the connector before mating. Fully screw down and hand-tighten the locking collar.
2. Secure the tow cable to the cable grip on the tether using the quick-link. Adjust the cable grip
position to maintain a small amount of slack tether regardless the direction the tether is pulled, as
illustrated below.
3. Verify all device whips from the harness block to their respective components are securely
connected, and the whips are free from damage.
4. Ensure any unused connectors are capped with dummy plugs to insulate and protect their
electrical contacts.
5. Tether connection to the parallel and inline vehicles are identical.

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User Manual
Winch Installation
If your system includes an AC powered winch refer to the winch manual for setup and installation
instructions.
Portable Reel Setup
If your system includes a portable reel, follow these steps to operate:
1. Remove the shipping cap from the front of the case and insert the crank handle.
2. Connect the deck cable from the reel to the controller.
3. Disengage the packing brake (pull back and turn on the locking pin).
4. Make sure the friction brake is engaged; disengaging the friction brake can result in slack tether
potentially jamming the reel.
5. Unwind some tether and connect the tether to the vehicle.
6. Run the tether through the level wind as follows:
a. There is an access slot which must be opened by lifting up the two exposed screw heads
to raise the tether support shafts.
b. Pull up on both sides of the axle on the top wheel and slide the tether beneath it - failing
to lift up on the wheel can scuff and damage the tether.
c. Make sure that the two wheels that sandwich the tether top and bottom in the level wind
are tracking properly as the tether is paid out - this tells the controller how much tether
the reel has unwound and how far your vehicle has travelled.

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User Manual
Tether Handling
The tether is one of the most important parts of the system. It feeds power and control signals to the
system and returns data to the controller. If the tether is damaged from improper use, poor handling or an
accident, the system may become inoperable. This could lead to significant downtime, loss of production,
and avoidable costly repairs. It is encouraged to stress the importance of the tether and its use to anyone
operating or maintaining the system. For maximum tether life and reliability, we recommend the following
tether handling tips.
•Do not step on the tether
•Do not drive over the tether
•Do not bend the tether beyond its minimum bend radius
•Do not kink the tether
•Do not snap load the tether
•Avoid loading the tether whenever possible
•Always use the cable grip strain relief if applicable to your system
•Regularly inspect the tether for damage
•Regularly clean the tether
Note:
Protecting the conductors inside the tether is critical to the life and operation of the tether.
Proper tether handling and care will result in extended tether life and system reliability.
Connector Handling
Connectors are an essential part of system reliability. They should be properly maintained and cared for
to ensure long life and reliability. It is recommended to follow these steps to help prevent damage and
increase the life of connectors.
•Always put the cap back on the tether bulkhead when the tether is disconnected
•Always inspect the end of the connector prior to engaging
•Never plug in a dirty or damaged connector
•Visually align key-ways or locating pins prior to engaging the connector
•Always fully engage or tighten the connector
•Secure locking collars finger tight
•Install dummy plugs on unused connectors
•Disconnect by pulling straight, not on an angle
•Do not pull on the cable to disengage the connector
IMPORTANT: Never “Hot Plug” any connector, this will result in internal damage to the
electronics. Power down the system prior to connecting the inspection system tether.
Note:
Never use WD-40 or similar solvent-based fluids on connectors or crawlers. These will cause
the rubber parts of the connector or crawler to soften and swell rendering them inoperable.

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User Manual
SubConn Connector: Lubrication and Cleaning
•Periodically apply Molykote 111 silicone grease or equivalent before mating connectors
•For dry mate connections, a layer of grease corresponding to 1/10 the socket depth should
be applied to the female connector
•After greasing, fully mate the male and female connector and remove excess grease from the
connector joint
•General cleaning and removal of sand or mud on a connector should be performed using a
spray-based contact cleaner like isopropyl alcohol
Impulse Connector: Lubrication and Cleaning
•Lubricate mating surfaces regularly with 3M Silicone spray or equivalent, DO NOT GREASE
•Lubricate O-rings with Molykote 111 or equivalent
•Use dust caps to protect connectors wherever possible
•Clean connectors with soap and fresh water, rinse out with alcohol and allow connector to air
dry before using.
System Installation
The following describes a typical installation scenario recommended by Eddyfi Technologies.
Vehicle Layout
A typical set up for a pipe inspection system is based on a covered two ton or larger box truck. The truck
carries the power source (generator) and houses the power supply and control system in a dry, covered
environment. The computer / control console and recording equipment are placed in an office-like room
built into the truck. The rear wall of the truck should open completely. The winch, crane and other
equipment can be mounted at the back of the truck box near the door for easy deployment. The truck
should also contain the maintenance space with ample bench room for maintaining, configuring, and
washing down the vehicle and equipment.
The vehicle should be operated by a crew of at least two. Most importantly, a person should always be
available to tend to the tether. This person may also play a role in vehicle inspection and deployment. A
second person drives the vehicle, conducts the inspection and ensures a good recording.
The operations crew should be able to communicate quickly with each other to allow fast response in
case of an emergency like a tether hang up. It is recommended that a signal system be set up so that the
operators may work efficiently and safely as a team. It is always advantageous for both operators to be
aware of full system status.

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User Manual
Vehicle Handling
Because the vehicle is heavy, some handling equipment is recommended with the system installation:
The first of these is a swinging overhead boom for vehicle deployment which must hold the payout
sheave axle at least 2.75 m (9 ft) above ground level. The capacity of the arm needs to be at least 450
kg (½-tonne) at full extension - enough for full vehicle weight plus full winch power. The payout sheave
diameter should be at least 250 mm (10 in) to help prevent tether fatigue.
An electric cable hoisting winch with at least 450 kg (½-tonne) load capacity is necessary to raise and
lower the vehicle. The cable on this hoist needs to be long enough for the deepest expected deployment.
Eddyfi Technologies recommends a dedicated work bench for vehicle configuration and maintenance.
Ideally this is at least 0.75 x 1.5 m (30 x 60 in) and is accessible from both sides. The lower portions of
the bench may be equipped with racks or drawers where tools, spare parts, and fasteners are kept.
Communication
Establish a good channel of communication between the operator and deployment personnel: whether
this is a system of signals, PA system or audio headsets. Good communication can avoid accidents,
damage to the equipment, and promotes efficiency and productivity. The person deploying the vehicle
and watching the tether must be able to quickly tell the operator to stop the vehicle when something goes
wrong. Because he is situated in the office-like van, the operator is often provided with a CCTV system
or view port so he can see directly what is happening with tether payout. It is best practice for the
operator never to turn on power or initiate movement without first communicating with the vehicle handler.
Personnel Requirement
A typical pipe inspection van operation usually requires two people for operations:
•Console Operator: This person is responsible for driving the vehicle, watching the pipe and
making comments about the location and pipe condition. It is also the operator’s responsibility to
assess whether a pipe is in the appropriate condition for safe passage of the vehicle or if there is
a risk of getting stuck. The operator may also assist in general site setup (cones, warning signs,
etc.), vehicle maintenance and configuration.
•Deployment / Tether Handler / Field Maintenance: This person has several tasks including:
oConfiguring the vehicle for the current pipe
oLowering the vehicle in and out of the manhole
oWatching the tether as the vehicle enters and exits the pipe
oOperating the winch and winding the tether during recovery

Versatrax 150™
Document: UMDW014058.docm
Revision: A03
Created by: KW
Date: 10 Oct 2019
3075415-A03
Source Location: C:\ePDM\ISLEng\products\dw-versatrax150mkii\manuals\UMDW014058.docm
Page 20 of 57
User Manual
Vehicle Configuration
Parallel Vehicle
Chassis Pipe Sizing
To fit inside specific pipe sizes, the chassis hinges must also be adjusted. To adjust the hinges:
1. Loosen the clamping nut; make sure the camera bed is far enough forward to provide access.
2. Adjust the hinges using the indicator plaque at the back of the chassis; the sizes indicated are
internal diameters (there is a line scribed on the main hinge that is used indicate pipe sizes).
WARNING: Pinch Hazard –Exercise extreme caution while adjusting the track
hinges not to catch your fingers in the linkages.
3. Once the hinges are set, re-tighten the clamping nut.
Note that there are two columns of numbers on the indicator plate. STD is for the standard chassis setup,
while XT is for when the track extension plates are installed.