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BridgePort Installation Guide
Introduction
Please refer to the general
installation drawing for installa-
tion details.
Recommended equipment list:
• Wrench set
• Socket set
• Tape measure
• Chalkline
The Weigh-Tronix BridgePort vehicle scale is an electronic, low profile, self-
contained, portable scale suited for a wide variety of applications.
It is designed and manufactured for simplified, temporary installation and
relocation when necessary.
The basic units are available in lengths of 20, 25, 30 and 35 feet. Each
module has its own frame, four 50,000 lbs weigh bars, and a junction box.
For a longer scale, simply join 2 or more modules together. Refer to Figure
1. The BridgePort has a CLC capacity of 40 ton and a weighing capacity up
to 100 ton.
Figure 1
Scale modules
1
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Summary of Contents for Avery Weigh-Tronix BridgePort
- Page 1 • Tape measure For a longer scale, simply join 2 or more modules together. Refer to Figure • Chalkline 1. The BridgePort has a CLC capacity of 40 ton and a weighing capacity up to 100 ton. Figure 1 Scale modules...
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Page 2: Installation
Installation The BridgePort scale may be installed on a pier made of bridge planks, concrete footers, swamp pads, or other suitable surfaces. The pier should extend the width of the scale. The owner is responsible for soil stability conditions of at least 3,000 Ib/sq. ft. The pier shown on the drawing is nominal and based on a soil bearing capacity of 3,000 Ib/sq. - Page 3 Make sure all corner base plates are fully and rigidly supported. If neces- sary, use metal shims to ensure a good, level support. Loosen all check bolts - 4 per module Remove the nuts from the hold down bolts; lower the bolts; then, replace the nuts on the bolts, so they remain on the holding block on the frame.
- Page 4 Figure 4 Optional bulkhead attachment Once the bulkheads are properly installed, prepare the ramps at each end of the scale. The ramps must be straight and level, for a minimum of 10 feet at each end of the scale. The ground rods must be installed as close as possible to the scale module at each end and same side as the junction box.
- Page 5 Figure 5 Grounding details To connect the indicator to the scale using the home run cable, remove the protective cap from the bottom connector on the junction box. Apply noncon- ductive silicone grease inside the protective cap and if needed, also on the cable connector, before connecting.
- Page 6 Multi-Module Installation Lower the module as described in Single-Module Installation . Remove the tie down bolts on each unit. (4 at each end) Refer to Figure 7. Figure 7 Multi-module installation Position each module end to end. Make sure the junction boxes remain on the same side of the scale.
- Page 7 Make sure the corner of the frames are fully and rigidly supported. If neces- sary, use metal shims to ensure a good, level support. Once the modules are properly installed, use the connector bolts, bevel washers, and nuts to firmly attach each module together. Refer to Figure 8. Loosen all check bolts - 4 per module Remove the nuts from the hold down bolts;...
- Page 8 Figure 10 Triple module wiring Install T-gap covers over the gap left between each module. Install T-gap covers to cover the gap between the scale deck and the bulkhead. The scale is now ready for testing, calibration, and inspection (if applicable). Preparing The Scale Module For Relocation Remove all the T-gap covers.
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Page 9: Spare Parts List
Installation On Concrete Pads With Concrete Approaches If the scale has been installed between concrete approach slabs, the customer may anchor the module using the existing holes in the corner base Equipement List: plates for 1" anchor bolts. RED HEAD and WEJ-IT are two brand names of •... - Page 10 Corner Balancing For proper weight reading, the signals reaching the indicator must be identical no matter where a weight is placed on the scale. Getting these signals to match is called corner balancing the scale. Your goal is to get the readings from the weight sensors to match. You do not have to get the correct weight reading at this point.
- Page 11 Weigh-Tronix 1000 Armstrong Dr. Fairmont, MN 56031 USA Telephone: 507-238-4461 Facsimile: 507-238-4195 e-mail: industrial@weigh-tronix.com www.weigh-tronix.com Weigh-Tronix Canada, ULC 217 Brunswick Blvd. Pointe Claire, QC H9R 4R7 Canada Telephone: 514-695-0380 Facsimile: 514-695-6820 Weighing Products & Systems Weigh Bar ® is a registered trademark of Weigh-Tronix Inc. 02/23/00 BPORT.P65 PN 29744-0018e1 Printed in USA...
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