Dresser B3 Meter MTU Installation Instructions
Dresser B3 Meter
MTU Installation Instructions (Y20967-TUM Rev B)
FCC/ISED Compliance
This product/device has been tested and certified to be in compliance with all appropriate requirements
of both the FCC and ISED.
Any changes or modification to this product/device, or the use of any antenna other than the one
provided by or authorized with expressed written approval by Aclara Technologies LLC may void the
user’s authority to operate this product/device.
This product/device and/or its antenna must be fixed-mounted on indoor or outdoor permanent
structure(s) providing a separation distance of at least 20 cm from all persons during normal operation.
This device is not designed (and it has no external connection) to operate in conjunction with any other
antennas or transmitters. No other operating instructions for satisfying RF exposure compliance are
needed.
This product/device has been tested and calibrated at the factory. It has no user adjustable controls and
can only be adjusted by authorized, trained personnel.
French translation:
Conformité FCC/ISDE
Cet équipement a été testé et il est conforme à toutes les exigences appropriées de la FCC et de l’ISDE.
Tout changement ou toute modification à cet appareil, ou l’emploi de n’importe quelle antenne autre
que celle fournie par ou autorisée sous l'accord exprès donné par écrit d'Aclara Technologies LLC peut
annuler l'autorisation d'utiliser de cet appareil.
Cet appareil ainsi que son antenne doivent être montés de manière fixe sur des structures intérieures ou
extérieures permanentes en conférant une distance d’au moins 20 cm des personnes pendant le
fonctionnement normal. Cet appareil n'est pas conçu (et il n'a aucun branchement externe) pour être
utilisé en association avec toute autre antenne ou tout émetteur. Aucune autre instruction d'utilisation
n'est requise pour assurer la conformité aux règles d'exposition aux RF.
Cet appareil a été soumis à des tests et calibré en usine. Il n’a pas de contrôle d’ajustement et ne peut
être ajusté que par un personnel autorisé et qualifié.
The information contained in this document is private to Aclara Technologies LLC, an Ohio liability company (Aclara). This information
may not be published, reproduced, or otherwise disseminated without the express written authorization of Aclara. Any software or
firmware described in this document is furnished under a license and may be used or copied only in accordance with the terms of such
license. The information in this document is subject to change without notice and should not be construed as a commitment by Aclara.
Aclara assumes no responsibility for any errors that may appear in this document. No responsibility is assumed for the use or reliability of
software on equipment that is not supplied by Aclara. STAR is a registered trademark of Aclara Technologies LLC.
1
Dresser B3 Meter MTU Installation Instructionss
Purpose & Scope
This instruction provides a procedure for use in installing an Aclara STAR MTU on Dresser B3 gas
meter. This installation instruction covers the Aclara Catalog number 3581-055-RBS2W for this gas
meter. (The images in this document are for reference only.)
Parts Required
Item Description Part Number Qty
MTU Series 3500 Direct Mount MTU (Extended Range) 3581-055-RBS2W
Retaining ring Retaining ring for use with Aclara cover 061059-000
Cover Aclara cover Dresser P/N 060698-000
Screws Mounting screws 000141-269
Security seal kit Rock Seal security seal kit (with screw) 053060-208
Quad ring seal Quad ring seal 013456-244
Dessicant Adhesive dessicant pack 060337-003
Screws MTU/index mounting screws 000141-250
N
OTE
The mounting kit contains the exact quantity of hardware required for a single installation. Keep
extra hardware on hand.
N
OTE
No repair or maintenance of MTU is required. Defective MTU will be replaced.
N
OTE
MTU may be wiped with damp cloth to prevent electrostatic charge hazard.
2
1
1
1
3
1
1
1
2
Dresser B3 Meter MTU Installation Instructions
Tools Required
To mount the MTU to these meters, you will need the following tools and equipment:
• Phillips or slotted screwdriver
• Safety glasses
• 9/64" T-handle hex key, 9" long
• 5/32" T-handle hex key, 9" long
• 5 - 40 in-lb Torque wrench
Remove Index
Before installing the MTU, remove all anti-tamper, safety, and security hardware from the clear index
cover.
1. Remove the four index cover screws.
N
OTE
Do not install MTU if any of the screws are broken.
3
Dresser B3 Meter MTU Installation Instructionss
2. Remove and discard the slip flange.
3. Carefully remove the index unit by pulling it straight out from the meter body.
4. Remove and discard the screws that hold the index to the clear housing using a 9/64" hex key
wrench. The screw may be accessed through the tool access port.
5. Set the index aside.
4
Dresser B3 Meter MTU Installation Instructions
6. If present, remove the dessicant pack, and wipe the mating surface of the meter with a clean, non-
abrasive cloth.
Unpack New Cover
1. Unhook the beaded tie wrap, and remove the protective cardboard and any remaining packaging.
2. Remove the hardware packet from inside the housing. Verify that the hardware packet contains:
Item Qty.
Mounting screw
(GE P/N 000141-269)
3
5
Dresser B3 Meter MTU Installation Instructionss
Security seal assy. (with screw)
(GE P/N 053060-208)
Quad-ring seal GE
(GE P/N 013456-244)
MTU/index mounting screw
(GE P/N 000141-250)
Dessicant pack
(GE P/N 060337-003)
3. Verify the Quad-ring seal is installed securely into the circular groove in the new cover.
1
1
2
1
4. Remove and retain the #8-32 x 1/2” socket head cap screw.
N
OTE
The MTU will already be pre-installed in the index cover.
6
Dresser B3 Meter MTU Installation Instructions
5. Insert the #8-32 x 1/2" socket head cap screw (removed in Step 4) into the mounting hole as shown.
7
Dresser B3 Meter MTU Installation Instructionss
6. Orient the index so the #8-32 x 1/2" socket head cap screw lines up with the threaded insert in the
MTU assembly. The remaining mounting hole will correspond with the alignment pin on the MTU
assembly.
7. Hold the index by the magnetic pickup, and while maintaining alignment, partially lower the index
into the cover.
8
Dresser B3 Meter MTU Installation Instructions
8. Verify the index drive engages with the MTU gear before lowering the index completely. The
index drive and MTU gear should turn together smoothly.
9. Tighten the #8-32 x 1/2” socket head cap screw to 9-11 inch-lbs.
10. Verify that the index drive and the MTU gear still spin smoothly.
9
Dresser B3 Meter MTU Installation Instructionss
11. Install the new dessicant pack by removing the adhesive backing, and pressing firmly to the meter
as shown.
12. Install the index/MTU/cover assembly to the meter head as shown.
10
Dresser B3 Meter MTU Installation Instructions
13. Install the new retaining ring over the cover.
14. Install the three mounting screws and one security seal screw into the mounting holes, tightening just
enough to hold the assembly temporarily.
15. Tighten the screws in a cross pattern to 14-16 in-lbs.
Putting the Device into Service
Once installation is complete, program the MTU using the STAR Programmer Software and a field
programmer.
N
OTE
To take the device out of service, follow the procedure for placing it into service in reverse order.
11
Dresser B3 Meter MTU Installation Instructionss
NOTE
Specific Conditions of use in hazardous locations indicated on label.
MTU Label Example
List of Standards
1. ANSI/ISA 12.12.01
2. CSA 22.2
NOTE
Training can be provided by Aclara or Aclara can train and certify third party installers. Installers
may be anyone certified by Aclara.
Rated Output Power
Radiated Power with
Max Gain Antenna*
Extended Range
*Max antenna gain = 3 dB.
Conducted Power
28.5 dBm 31.5 dBm EIRP
.708 W 1.412 W
12
Loading...