McLane Research Laboratories Mark 78H-21 User manual

Sediment Trap
User Manual

2018 McLane Research Laboratories, Inc., Rev.18.L.20
Tel: [phone] Skype: mclane_research
[email protected] www.mclanelabs.com

TOC-1
Sediment Trap User Manual Table of Contents
Chapter 1 Introduction and System Description ........................................................ 1-1!
McLane Sediment Trap ............................................................................................... 1-1!
Sediment Trap Models ............................................................................................. 1-1!
Sediment Trap Options ............................................................................................ 1-2!
Using this Manual ........................................................................................................ 1-2!
User Key .................................................................................................................. 1-3!
Customer Resources ................................................................................................. 1-3!
Technical Support .................................................................................................... 1-3!
Instrument Training ................................................................................................. 1-4!
Mechanical Components .............................................................................................. 1-5!
Frame ....................................................................................................................... 1-5!
Funnel ...................................................................................................................... 1-6!
Honeycomb Baffle ................................................................................................... 1-7!
Controller Housing ................................................................................................... 1-8!
Top and Bottom End Caps ....................................................................................... 1-8!
O-Rings .................................................................................................................... 1-9!
End Cap Bulkhead Connectors .............................................................................. 1-10!
Optional High Pressure Penetrators ....................................................................... 1-11!
Gear Plate Assembly .............................................................................................. 1-11!
Plastic Ball Bearings .............................................................................................. 1-12!
Variseals® ............................................................................................................... 1-12!
Drive Motor ........................................................................................................... 1-13!
Sediment Trap Toolkit ........................................................................................... 1-14!
Serial Number ........................................................................................................ 1-14!
Electronics Components ............................................................................................ 1-15!
Main Battery .......................................................................................................... 1-16!
Backup Battery ....................................................................................................... 1-17!
Chapter 2 Getting Started ............................................................................................. 2-1!
Connecting the Sampler to a Computer ....................................................................... 2-1!
Connecting a Computer ........................................................................................... 2-1!
Troubleshooting the USB Adaptor .......................................................................... 2-2!
Installing McLaneTerm ............................................................................................... 2-3!
Powering up the Sampler ............................................................................................. 2-3!
Opening the Controller Housing .............................................................................. 2-4!
Connecting the Batteries .......................................................................................... 2-6!
Establishing Communication ................................................................................... 2-7!
Waking the Sampler from Low Power Sleep Mode .................................................... 2-8!
Chapter 3 User Interface ............................................................................................... 3-1!
Section 3.1 Main and Configuration Menus ................................................................ 3-1!
Main Menu ............................................................................................................... 3-1!
Configuration Menu ................................................................................................. 3-2!
Optional Compass/Tilt, Pressure and Temperature Sensors .................................... 3-3

TOC-2
!
Section 3.2 Instrument Settings .................................................................................... 3-3!
<1> Set Time ............................................................................................................... 3-3!
<2> Diagnostics ........................................................................................................... 3-4!
Battery Warnings ..................................................................................................... 3-4!
<3> Fill Containers ...................................................................................................... 3-5!
<4> Sleep ..................................................................................................................... 3-5!
Section 3.3 Deployment Settings ................................................................................... 3-6
<8> Contacting McLane .............................................................................................. 3-7!
Chapter 4 Operations .................................................................................................... 4-1!
Section 4.1 Deployment Preparation ............................................................................ 4-1
Section 4.2 Preparing and Attaching the Sample Bottles ........................................... 4-2
Section 4.3 Aligning the Rotator to the Open Position ............................................... 4-4!
Section 4.4 Filling the Sample Bottles .......................................................................... 4-5!
Section 4.5 Orienting End Cap for Optional Tilt ........................................................ 4-6
Section 4.6 Programming Deployment Parameters .................................................. 4-10!
Instrument Current Consumption .............................................................................. 4-10!
Example of Estimating Battery Life for One Year Deployment ........................... 4-11!
Create a Deployment Schedule .................................................................................. 4-12!
Option <1> Enter each event time ......................................................................... 4-15!
Option <2> Enter start date & interval .................................................................. 4-16!
Option <3> Enter start date & end date ................................................................. 4-16!
Enter a Deployment ................................................................................................... 4-18!
Checking for Event Overlap and Schedule Verification ........................................ 4-20!
Proceeding with the Deployment ........................................................................... 4-20!
Chapter 5 Deployment and Recovery .......................................................................... 5-1!
Attaching to a Mooring ................................................................................................ 5-1!
Deployment Preparation .......................................................................................... 5-1!
Attaching to the Bridles and Mooring Wire ................................................................ 5-2!
Recovery Procedure ..................................................................................................... 5-2!
Removing the Sample Bottles .................................................................................. 5-2!
Offloading Data ........................................................................................................... 5-3!
Option <4> EEPROM Data Backup Cache ............................................................. 5-7!
Chapter 6 Maintenance and Storage ............................................................................ 6-1!
Section 6.1 Immediately Following Recovery .............................................................. 6-1!
Rinsing the Sediment Trap .......................................................................................... 6-2!
Section 6.2 Upon Returning to your Lab ..................................................................... 6-3!
Check the Oil Bladder in the Drive Motor Assembly ................................................. 6-4!
Adding Oil to the Drive Motor (only if Necessary) ................................................. 6-5!
Remove and Inspect Controller Housing Internals ...................................................... 6-8!
O-Rings .................................................................................................................... 6-9!
Battery Maintenance .............................................................................................. 6-10!
Battery Installation ................................................................................................. 6-10!
Backup Battery ....................................................................................................... 6-13!
Closing the Controller Housing ............................................................................. 6-14!

TOC-3
Remove Rotator and Rinse Ball Bearings ................................................................. 6-15!
Aligning the Fixed and Gear Plates and Reattaching the Drive Motor ................. 6-15!
Rotator Assembly Variseals® and Bearings ........................................................... 6-15!
Step 1 - Remove Components from the Frame ..................................................... 6-16!
Step 2 - Clean and Replace Variseals® ................................................................ 6-20!
Complete the steps in this section to clean and replace ball bearings. .................. 6-21!
Step 4 - Reassemble Rotator Assembly ................................................................ 6-23!
Step 5 - Perform a Leak Test ................................................................................ 6-23!
Reinstall Components onto the Frame ....................................................................... 6-24!
Storage ....................................................................................................................... 6-26!
Cover Top/Honeycomb Baffle with Clean Plastic for Storage .............................. 6-26!
Appendix A Wet Sample Particle Divider .................................................................. A-1!
Setting Up the Wet Sample Divider ........................................................................... A-2!
Using the Wet Sample Divider ................................................................................... A-3!
Appendix B Optional RBR Pressure and Temperature Sensors ............................. B-1!
Connecting Directly with RBR Sensors ..................................................................B-3!
Configuration Menu –Atmospheric Pressure Offset ................................................B-5!
Deployment Menu – Sampling Interval ...................................................................B-7!
Diagnostics ...............................................................................................................B-7!
Offload/Display Data with Pressure and/or Temperature ........................................B-8!
Offload/Display Data – EEPROM Pressure and/or Temperature Sensor ..............B-10!
Appendix C Adaptive Sampling Firmware ................................................................ C-1!
Using Interactive Sampling Commands ..................................................................C-1!
ST - Current Status ...................................................................................................C-2!
RB - Rotate Bottle ....................................................................................................C-2!
VE - View Event .....................................................................................................C-3!
VE n - View Event Number .....................................................................................C-3!
VE All - View Event All ..........................................................................................C-3!
CE n Date Time - Change Event Number Scheduled Start .....................................C-4!
DM - Display Main Menu ........................................................................................C-4!
<3> - Fill Containers ................................................................................................C-5!
<5> - Change Schedule ............................................................................................C-6!
Appendix D Optional Ethernet Communication ....................................................... D-1!
Ethernet Hardware ...................................................................................................... D-1!
End Cap Connectors, Test Cable and Current Draw .............................................. D-2!
Test Cable Wiring Diagram .................................................................................... D-3!
Ethernet Configuration ............................................................................................ D-4!
Ethernet Communication ............................................................................................ D-4!
Appendix E Deep Sediment Trap Connectors ........................................................... E-1!
Removing Penetrator Locking Collar and Locking Ring ............................................ E-2!
Re-attaching Penetrator Locking Collar and Locking Ring ........................................ E-5!
COM Cable Wiring ....................................................................................................... E7

TOC-4

LOF-1
Sediment Trap User Manual List of Figures
Figure 1-1: Standard and Mark 8 Size Sediment Traps ................................................... 1-1!
Figure 1-2: McLane Contact Information ........................................................................ 1-4!
Figure 1-3: Mark 78H-21 Sediment Trap – Full View .................................................... 1-5!
Figure 1-4: Funnel and Sample Bottle Side View ........................................................... 1-6!
Figure 1-5: Honeycomb Baffle ........................................................................................ 1-7!
Figure 1-6: Controller Housing ........................................................................................ 1-8!
Figure 1-7: Sediment Trap O-Ring Installation - Correct Placement is Critical ............. 1-9!
Figure 1-8: Std Titanium Controller Housing End Cap and Bulkhead Connectors ...... 1-10!
Figure 1-9: Deep Controller Housing End Cap Bulkhead Connectors .......................... 1-11!
Figure 1-10: Gear Ring Alignment Hole and Sample Bottle Hole #1 .......................... 1-11!
Figure 1-11: Bottom Fixed Plate and Gear RingFigure ................................................ 1-12
Figure 1-12: Plastic Ball Bearings ................................................................................. 1-12!
Figure 1-13: Gear Ring with Variseals®!........................................................................................!1-12
Figure 1-14: Variseal® Installation!...................................................................................................!1-12
Figure 1-15: Drive Motor Housing ............................................................................... 1-13!
Figure 1-16: Sediment Trap Toolkit .............................................................................. 1-14!
Figure 1-17: Serial Number Label ................................................................................. 1-14!
Figure 1-18: Drop-in Battery Holder for ‘C’ Cell Alkaline Batteries ........................... 1-16!
Figure 1-19: Backup Battery 9V and AAA Styles (Older Model systems) ................... 1-17!
Figure 2-1: Communications Cable ................................................................................. 2-1!
Figure 2-2: Cable Connector Styles ................................................................................. 2-2!
Figure 2-3: Computer COM Setup Styles ........................................................................ 2-2!
Figure 2-4: Releasing Pressure Relief Valve (Flat Style) ............................................... 2-4
Figure 2-5: Releasing Pressure Relief Valve (Style with Release Tool) ......................... 2-5!
Figure 2-6: Separating the Housing and End Cap ........................................................... 2-6!
Figure 2-7 Connecting the Battery ................................................................................... 2-6!
Figure 2-8: Connecting the COM Cable .......................................................................... 2-7!
Figure 2-9: Main Menu .................................................................................................... 2-8!
Figure 3.1-1: Sediment Trap Main Menu ........................................................................ 3-1!
Figure 3.1-2: Configuration Menu ................................................................................... 3-2!
Figure 3.2-1: Set Time ..................................................................................................... 3-3!
Figure 3.2-2: Diagnostics ................................................................................................. 3-4!
Figure 3.2-3: Fill Containers ............................................................................................ 3-5!
Figure 3.2-4: Low Power Sleep Mode ............................................................................. 3-5!
Figure 3.3-1: McLane Contact Information ..................................................................... 3-7

LOF-2
!
Figure 4.1-1: Correct Controller Housing Orientation .................................................... 4-1!
Figure 4.2-1: Installing the Sample Bottles ..................................................................... 4-3!
Figure 4.3-1: Moving Rotator to Open Position .............................................................. 4-4!
Figure 4.4-1:Removing the Plug from the Fill Hole ....................................................... 4-5!
Figure 4.4-2: Fill Containers ............................................................................................ 4-5!
Figure 4.5-1: Tilt Sensor Board ....................................................................................... 4-7!
Figure 4.5-2: Correct Controller Housing Orientation with Tilt Sensor .......................... 4-8!
Figure 4.5-3: Incorrect Controller Housing Orientation with Tilt Sensor ....................... 4-8!
Figure 4.5-4: Confirm that the Sediment Trap is Level ................................................... 4-8!
Figure 4.5-5: Secure U-Bolts Around the Controller Housing ....................................... 4-9!
Figure 4.6-1: Create Schedule Menu ............................................................................ 4-13!
Figure 4.6-2: System Reboot Required .......................................................................... 4-14!
Figure 4.6-3: Schedule Menu ......................................................................................... 4-14!
Figure 4.6-4: Schedule – Option 1 ................................................................................. 4-15!
Figure 4.6-5: Schedule – Option 2 ................................................................................. 4-16!
Figure 4.6-6: Schedule – Option 3 ................................................................................. 4-16!
Figure 4.6-7: Schedule Verification ............................................................................... 4-17!
Figure 4.6-8: Post Deployment Reboot Required if Data Exists ................................... 4-18!
Figure 4.6-9: Confirming Rotator Position, System Clock and Number of Events ...... 4-19!
Figure 4.6-10: Overlap Check and Schedule Verification ............................................. 4-20!
Figure 4.6-11: Header and Optional Tilt Settings .......................................................... 4-21!
Figure 4.6-12: Status Line .............................................................................................. 4-21!
Figure 4.6-13: Deploy System ....................................................................................... 4-22!
Figure 5-1: Sediment Trap Mooring Array ...................................................................... 5-1!
Figure 5-2: Offload/Display Data File Menu ................................................................... 5-4!
Figure 5-3: Offload/Display Data File Menu Example (screen 1 of 2) ........................... 5-5!
Figure 5-4: Offload/Display Data File Menu Example (screen 2 of 2) ........................... 5-6!
Figure 5-5: EEPROM Data Backup Cache (Compass/Tilt Data Included) ..................... 5-7!
Figure 6.1-1: Results of Poor Rinsing After Deployment ............................................... 6-2!
Figure 6.2-1: More Silicone Oil Needed .......................................................................... 6-4
Figure 6.2-2: Correct Silicone Oil Level ......................................................................... 6-4!
Figure 6.2-3: Adding Silicone Oil ................................................................................... 6-5!
Figure 6.2-4: Back Off Fill Hole Screw and Press Up on Bladder .................................. 6-6!
Figure 6.2-5: Oil Around Fill Hole Screw ....................................................................... 6-6!
Figure 6.2-6: Cleaning Excess Oil from Fill Plug ........................................................... 6-7!
Figure 6.2-7: Controller and Drive Motor Housings ....................................................... 6-8!
Figure 6.2-8: Sediment Trap Controller Housing Top End Cap with O-Ring Seals ....... 6-9!
Figure 6.2-9: Controller End Cap Attached to Battery Holder ...................................... 6-10!
Figure 6.2-10: Battery End Cap ..................................................................................... 6-11!
Figure 6.2-11: Battery Holder Correct Battery Direction .............................................. 6-12!

LOF-3
Figure 6.2-12: Battery End Cap ..................................................................................... 6-12!
Figure 6.2-13: Sediment Trap O-Ring Installation - Correct Placement is Critical ...... 6-14!
Figure 6.2-14: Remove Drive Motor from Top Fixed Plate .......................................... 6-17!
Figure 6.2-15: Remove Controller Housing from the Cross Channel ........................... 6-17!
Figure 6.2-16: Remove Cross Channel From Frame ..................................................... 6-18!
Figure 6.2-17: Gear Plate Assembly Under the Top Fixed Plate .................................. 6-18!
Figure 6.2-18: Variseals® in Gear Ring Grooves .......................................................... 6-20!
Figure 6.2-19: Installing Variseal® Thin Side Down .................................................... 6-21!
Figure 6.2-20: Removing Bottom Fixed Plate .............................................................. 6-22!
Figure 6.2-21: Fill Plug on Rotator Assembly .............................................................. 6-23!
Figure 6.2-22: Performing Leak Test ............................................................................ 6-24
Figure A-1: WSD-10 Wet Sample Divider .................................................................... A-1!
Figure A-2: WSD-10 Controls ....................................................................................... A-1!
Figure A-3: Installing Sample Tray into Groove ........................................................... A-2!
Figure A-4: Installing Sample Tray Front ..................................................................... A-3!
Figure B-1: Trap with RBR Pressure and Temperature Sensor ..................................... B-1!
Figure B-2: Trap Main Menu Configuration String with Pressure and Temperature ..... B-2!
Figure B-3: Diagnostics with RBR Sensor Installed ..................................................... B-3!
Figure B-4: Direct Communications with the RBR Sensor ............................................ B-4!
Figure B-5: Option <P> Atmospheric Pressure Calculation ......................................... B-5!
Figure B-6: Automatic Atmospheric Pressure Offset ..................................................... B-5!
Figure B-7: Manual Atmospheric Pressure Calculation ................................................. B-6!
Figure B-8: Change Sample Interval ............................................................................. B-7!
Figure B-9: Diagnostics with RBR Sensor Installed ..................................................... B-7!
Figure B-10: Offload/Display Data with Pressure and Temperature Readings .............. B-8!
Figure B-11: Deployment Data Including Pressure and Temperature Sensor Data ....... B-9!
Figure B-12: EEPROM Data Including Pressure and Temperature ............................. B-10!
Figure C-1: Prompt for Interactive Commands ............................................................. C-1!
Figure C-2: ‘ST’ Current Status ..................................................................................... C-2!
Figure C-3: ‘RB’ Rotate Bottle ....................................................................................... C-2!
Figure C-4: ‘VE’ View Event ........................................................................................ C-3!
Figure C-5: ‘VE n’ View Specific Event ....................................................................... C-3!
Figure C-6: ‘VE ALL’ View All Events ........................................................................ C-3!
Figure C-7: ‘CE # Date/Time’ Change Event Number Scheduled Start ....................... C-4!
Figure C-8: ‘DM’ Display Menu ................................................................................... C-4!
Figure C-9: <3> Fill Containers ..................................................................................... C-5!
Figure C-10: <5> Change Schedule (screen 1 of 2) ...................................................... C-6!
Figure C-11: <5> Change Schedule (screen 2 of 2) ...................................................... C-7!
Figure C-12: <5> Cannot Change Completed Event ..................................................... C-7!
Figure C-13: <6> Resume Deployment ......................................................................... C-8!
Figure C-14: <7> Offload Deployment Data (screen 1 of 2) ........................................ C-9!

LOF-4
Figure C-15: <7> Offload Deployment Data (screen 2 of 2) ...................................... C-10!
Figure D-1: Endcap with Ethernet Bulkhead Connector ................................................ D-2
Figure D-2: Test Cable Connectors ................................................................................ D-2!
Figure D-3: Test Cable Wiring Diagram ........................................................................ D-3!
Figure D-4: Web Interface to Ethernet Board ................................................................ D-4!
Figure E-1: High Pressure Penetrators with Locking Collar and Inner Locking Ring .... E-1!
Figure E-2: Unscrew Locking Collar and Unplug Bulkhead Connector ......................... E-2!
Figure E-3: Lift to Release Tab of Silver Locking Ring ................................................. E-3!
Figure E-4: Slide Locking Collar Off Motor Cable and Twist Off Locking Ring .......... E-3!
Figure E-5: Fit Motor Cable Down Through Hole in Rotator Plate ................................ E-4!
Figure E-6: Twist Locking Ring onto Motor Cable, Slide Red Collar onto Cable ......... E-5!
Figure E-7: Fit Silver Locking Ring Inside Locking Collar Groove ............................... E-5!
Figure E-8: Push Red Collar Towards Bulkhead ............................................................. E-6!
Figure E-9: COM Connector Diagram ............................................................................ E-7!

1-1
Chapter 1
Introduction and System Description
McLane Sediment Trap
The McLane Sediment Trap is a time-series sampler that uses 21 or 13 individual sample bottles
of 250mL or 500mL to collect the flux of settling particles in-situ. Several Sediment Trap models
are available to fit different sampling needs.
Figure 1-1: Standard and Mark 8 Size Sediment Traps
Sediment Trap Models
Available Sediment Trap models are listed below.
Model
Description
Mark 78H-21
Collects 21 individual samples in 250mL or 500mL bottles.
Mark 78HW-13
Collects 13 individual samples in 250mL 0r 500mL wider bottles.
Mark 8
Collects 13 individual samples in 250mL or 500mL bottles. This
Sediment Trap has a smaller cone and lighter weight than the Mark
78H Sediment Trap series.

1-2
Sediment Trap Options
Optional Sediment Trap features include:
• Optional Compass/Tilt, Pressure and Temperature: Optional sensors can be
installed to record compass/tilt, pressure and temperature data. The compass collects a
time history of tilt magnitude and direction.
• Optional High Pressure Penetrators: Sediment Traps deployed at depths from 7,000
to 10,000m, require high pressure penetrators on the controller COM port and motor
connector. These high pressure penetrators have a locking collar with an inner locking
ring.
Examples in this User Manual use the Standard MarkH-21 Sediment Trap
model unless otherwise specified.
Using this Manual
This User Manual provides:
• Descriptions and specifications of mechanical and electrical parts of the system.
• Operating instructions.
• Suggested maintenance procedures to extend sampler performance.
This user manual is designed to provide support from the first steps of powering on and
communicating with the instrument, to the final steps of recovering data from a recently
deployed system, and storing the instrument. Sampler operators and technicians should
read this manual and keep a copy as a reference.

1-3
User Key
This User Manual contains the following symbols that call attention to information:
Note
This symbol indicates information and tips
that are helpful for operating the instrument.
Important
This symbol indicates information that could
affect key product operations.
Caution
This symbol indicates information that must
be followed to prevent instrument damage or
user injury.
Customer Resources
McLane Research Laboratories is on the Web at http://www.mclanelabs.com or via email at
[email protected]. The Sediment Trap pages on the McLane website contain links to
documentation including Technical Bulletins, and papers that describe the development and use of
the Sediment Trap.
Technical Support
When contacting McLane for technical support, please provide the following:
• Firmware version and instrument serial number. Serial number is printed on a
label attached to the controller housing or on the Contact screen
(Figure 1-2).
• A description of the problem.
• A text file of data created using the McLaneTerm file capture utility.

1-4
Figure 1-2: McLane Contact Information
Instrument Training
McLane also offers a 1 day Sediment Trap training course at our facility free of charge with the
purchase of a new instrument. Participants conduct trial deployments and work directly with
members of the McLane engineering staff. Conducting trial deployments is a beneficial way to
learn system operations before actual field investigations. For more product training information
refer to www.mclanelabs.com.
McLane Research Laboratories, Inc.
Falmouth Technology Park
121 Bernard East Saint Jean Drive
East Falmouth, MA 02536-4444 USA
Email: [email protected]
Web: http://www.McLaneLabs.com
Tel: [phone] Fax: [phone]
Configuration: PST-21
Source file: CF2-3_12.c
Electronics S/N: ML12345-01
Compiled: Oct 27 2015 15:32

1-5
Mechanical Components
Mechanical components of the Sediment Trap include the frame, funnel, baffle, controller housing,
o-rings, and gear plate assembly. These are described in the section that follows.
Figure 1-3: Mark 78H-21 Sediment Trap – Full View
Frame
The Sediment Trap frame is an electro-polished 316 stainless steel welded frame designed to
protect the controller electronics and rotator. CTD’s, fluorometers and other sensors can also be
attached to the frame.
Mooring Eye
Rotator Assembly
Controller Housing
Drive Motor

1-6
Funnel
The funnel collects settling particles from the wide opening at the top of the Sediment Trap and
deposits them into individual sample bottles on a user-defined schedule.
Figure 1-4: Funnel and Sample Bottle Side View

1-7
Honeycomb Baffle
A honeycomb baffle tops a short polyethylene mounting cylinder at the top of the Sediment Trap
funnel. This baffle prevents large objects and marine life from clogging the sampler because each
baffle cell is more narrow than the small aperture at the bottom of the funnel.
Figure 1-5: Honeycomb Baffle

1-8
Controller Housing
The standard Titanium controller housing is pressure resistant to 7,000 meters. For more shallow
depths, a 5,500 meter rated aluminum housing is available. A deep controller housing option is
rated to 10,000 meters. The controller housing holds the battery pack for 14 ‘C’ cell alkaline
batteries, and the electronics assembly. Two latex rubber-insulated, 316 stainless steel U-bolts
fasten the housing to the frame. The controller can be opened while attached to the frame.
Figure 1-6: Controller Housing
Top and Bottom End Caps
Top and bottom end caps seal the controller housing from water intrusion with a face o-ring seal
and a radial o-ring seal (with a backup ring).
Controller
Housing

1-9
O-Rings
The Sediment Trap end cap o-rings are custom-made. O-rings must be installed properly and kept
in place at all times. Each set includes three custom o-rings (200-0071, 200-0072, 200-0073).
See Chapter 6, ‘Maintenance and Storage’ for detailed instructions on cleaning the o-rings and
positioning the o-rings when inserting the end cap into the controller housing.
Figure 1-7: Sediment Trap O-Ring Installation - Correct Placement is Critical
O-ring maintenance and correct placement is critical to keep the controller
housing end caps from water intrusion. Incorrect o-ring placement results in
cracks or splits that could affect the o-ring seal and cause water damage to the
controller. Water damage from incorrectly placed or maintained o-rings can
void the sampler warranty.
200-0071
200-0072
200-0073

1-10
End Cap Bulkhead Connectors
The standard controller housing end cap has bulkhead connectors for the Motor and COM Port,
labeled “M” (Motor) and “C” (COM Port). Three end cap assemblies secure the end cap. A white
insert fits into the screw hole with a flat washer, spring (lock) washer, and the bolt. Figure 1-9
shows the deep controller housing end cap and bulkhead connectors.
Do not overtighten the end cap bolts and do not replace the stainless steel hardware with any other
hardware. The Toolkit includes spare hardware, or contact [e-mail].
Figure 1-8: Standard Titanium Controller Housing End Cap and Bulkhead Connectors
Figure 1-9 shows the Deep Sediment Trap controller housing end cap and bulkhead connectors.
Bolt
Lock Washer
Flat Washer
Plastic Insulator
COM Connector
(labeled ‘C’)
Motor Connector
(labeled ‘M’)
Pressure Relief
Valve