B-TEK Scales Centurion-AT Installation Manual Download | Manualshive

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36

Connect the Grounding Cables

Connect the grounding cables from each load cell to the threaded cable stand-off on
the weighbridge. Additionally, connect a grounding cable from the M8 bolt/nut on the
locating plate to the same stand-off on the weighbridge.

Adjacent weighbridges require an additional grounding wire from the threaded stand-
off on the weighbridge which is run to a stand-off on the next weighbridge in line.

STAND-OFF

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Summary of Contents for Centurion-AT

Page 1: ...PRESENTED BY JPBOWLIN COM 817 332 8116 J P Bowlin is a quality driven Calibration Company that has provided calibration repair and sales of all types of weighing and measurement products since 1931 ...

Page 2: ...2014 Centurion Installation Manual 06 2014 Centurion Truck Scale Includes Models Centurion DT Centurion DT CD Centurion AT Centurion AT CD Hybrid DT Hybrid AT Installation Manual ...

Page 3: ...5 Conduit Installation Page 18 Center Deck Panel and Clip Installation Page 19 Lifting Modules into Place Page 20 Connecting Modules Page 23 Concrete Deck Scales Preparation Page 28 Adjusting the Checking Page 31 Replacing the Dummy Load Cell Stands Page 32 Aligning the Load Cells Page 34 Connecting the Grounding Cables Page 36 Load Cell Cable Wiring Page 38 Maintenance Page 42 Spare Parts Page 43...

Page 4: ... program related items Check with the local Weights and Measurements authority prior to installation to verify that the foundation meets all requirements including those of the National Institute of Standards and Technology NIST and specifically Handbook 44 Prior to installation it is the customer s responsibility to verify that the equipment meets the requirements of the application Do not begin ...

Page 5: ...irect sunlight or in areas subject to extreme temperature changes as this may affect the accuracy of the weighing You have a copy of the scale and foundation drawings specific to this installation on site at the time of installation You have a copy of this manual on site at the time of installation The foundation concrete has had a full twenty eight day period for proper curing All installation an...

Page 6: ...ructed of concrete or similar durable material to insure that this portion remains smooth and level and in the same plane as the platform However rating of sufficient strength to withstand all loads equal to the sectional capacity of the scale may be installed in this portion Any slope in the remaining portion of the approach shall insure 1 ease of vehicle access 2 ease for testing purposes and 3 ...

Page 7: ... underground lines pipes or hoses Have assurance that the soil at the site is capable of withstanding a minimum pressure of 3 000 psf or as specified on the B TEK Inc drawing print Make sure the site does not intersect existing drains or utilities All surrounding areas must drain away from the scale site Ensure that all overhead objects i e power lines lights do not interfere with unloading and se...

Page 8: ...ngth rebar into the foundation forms as per illustrations noted on the B TEK Scales drawings Rebar conforming to ASTM 615 Grade 60 is recommended Concrete of 4 000 psi compressive strength is required for the foundation and piers if used The base plates which support the load cells are designed to be anchored to the foundation or pier by using expansion bolts placed in concrete after curing B TEK ...

Page 9: ...rion or Hybrid truck scale package will include weighbridge modules weighbridge connection fasteners load cells and load cell base plates locating plates shims load cell cables bumper checking assemblies conduit and junction boxes with terminal boards An indicator printer surge protection equipment and 50 of home run cable is included with digital Centurion models Foundation drawings and an instal...

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Page 12: ...e foundation base plates will be a combination of basic plates and combination plates that have the checking assemblies included as shown below BASIC BASE PLATE COMBINATION BASE PLATE with SIDE CHECKING four per scale ...

Page 13: ...tation pin 1 bag of plate hardware Note that scale height dimension shown on the supplied drawings include the 1 8 ring plate and both 1 16 shim plates in the overall stack height Should additional height need to be made up an additional 1 8 shim part 100 61071 is included for each load cell location Load Cell Mount Kit DEBRIS FOAM RING LOWER RECEIVER ISOLATION RING RING PLATE UPPER RECEIVER GROUN...

Page 14: ... use on the top of the foundation base plates are included Shim plates are 1 8 in thickness and are meant to make up minor differences in height The acceptable height tolerance between all base plates is 1 8 Verify with a laser level or transit If the amount of the difference in height between the base plates cannot be made up with the use of the shim plates alone use non shrinking grout under the...

Page 15: ... hex head bolts 2 M12 X 40mm and 1 M8 X 40mm lock nuts and flat washers Starting with the first 4 cell module locating plates place a dummy load cell assembly into the base ring of each locating plate locating plate locating plate with dummy cell multi platform style base plate with dummy cell dummy cell ...

Page 16: ...o the foundation In addition if not pre assembled at the factory the conduit will have to be placed in the module prior to installation Concrete deck scales will have the outside module concrete sheeting and rebar installed at the factory Scales being bolted together on site will need the center module sheeting and rebar installed side module concrete sheeting and rebar center module concrete shee...

Page 17: ...X 2 1 2 long bolts into the smaller holes to help in aligning the connection plates The hex nuts can be added and can be hand tightened at this point Insert the 7 8 9 X 3 connection bolt lock washer and hex nut into each of the larger holes on the connection plates Concrete deck Centurions will use 8 large bolts per connection plate while the steel deck versions will use 10 Hand tighten all bolts ...

Page 18: ...17 steel deck connection plates top view of concrete deck connection plates ...

Page 19: ...ckage and can be inserted thru the lifting lugs located on the inside of either of the module halves The conduit can be run thru the inside lugs of either module but is not needed on both sides Module half with conduit run thru inside lifting lugs The bell portion of the poly conduit can be pushed snuggly into the thru hole of the module s end plate to secure it in place CONDUIT INTERIOR LIFTING L...

Page 20: ...84 and cap screw HW B 1 2 13X1 5SHCS which are tightened against a panel tube inside the scale module The clip must be oriented as shown below during install It will rotate 90º clockwise when tightened and rides up on the panel tube and will secure against beam inside of the scale module CLIP BOLT INSERT CLIP AND THREAD INTO BOLT COUNTERBORED HOLE IN PLATE CLIP WILL TURN CLOCKWISE PANEL TUBE CLIP ...

Page 21: ...lace The first module to be placed onto the foundation is a 4 cell module which should be placed directly after the end wall The four dummy mount assemblies should already be in place on the base plates located on the chalk line centers on the foundation Secure the 4 way chains from the crane to four lifting lugs that are welded to the sides of the weighbridge module lifting lug ...

Page 22: ... lower the module so that the button on top of each dummy stand is inserted into the thru hole located in the module s load cell nest Hydraulic jacks can be also be used to help position the modules onto the dummy stands Verify that all four dummy stands are inserted concentrically in the load cell nest thru holes with no binding and that the bridge rests flat on top of the dummy cell pin DUMMY CE...

Page 23: ...The end modules are shipped from the factory with the end bumpers and 3 8 thick backing plates installed If additional bumper thickness is needed additional 1 4 and 1 8 bumper shims are shipped loose and can be installed behind the poly block bumpers Final adjustments to the bumpers can be made once all of the modules have been installed and connected to one another TAKE MEASUREMENT ON BOTH SIDES ...

Page 24: ... cell connector brackets on the other The connection shelf end will mate with the existing 4 cell module previously installed The opposite end with load cell nests will rest on a pair of dummy load cell stand assemblies Prior to lifting into place ensure that you have inserted the 7 8 9 X 3 long adjustment bolts flat washers and jam nuts into the mating load cell nests Two bolts four SAE flat wash...

Page 25: ...LOAD CELL NEST UPPER CONNECTION SHELF LOAD CELL NEST LOWER CONNECTION BRACKET CONNECTION BOLT Once the 2 cell module is resting on the dummy load cell stands and the 4 cell module you can insert the 7 8 9 X 5 bolts and flat washer thru the connection shelf and into the top thru holes of the 4 cell module s load cell nest Once thru insert flat washer lock washer and hand tighten the hex nut leaving...

Page 26: ...in order for the cover plate to fit correctly Always verify the correct fitment of cover plates before permanently lagging the scale to foundation Side View of Steel Deck Module Connection Top View of Module Connection Concrete deck scales may have slightly larger cover plate gap than this Adjust the 7 8 X 3 bolts that run the width of the scale so that the edges of the connecting modules are alig...

Page 27: ... for however many modules are used in the complete scale Once all of the modules have been connected and bolted together verify all dimensions and clearances with the scale and foundation If needed make any adjustments while the cover plates are still removed Although cover plates will not be installed until later in the installation check the fitment of the cover plates throughout the installatio...

Page 28: ... of individual Centurion modules 1 4 cell module starting at end wall location 2 2 cell modules rest on load cell nest of first module and two cells opposite end 3 Additional 2 cell modules installed identical to the second module ...

Page 29: ...te deck scale has approximately 6 of clearance from the bottom of the main structural beams to the top of the foundation floor Shoring blocking under the module is required prior to pouring the concrete Check for exact clearance dimension on the job specific drawing supplied with the scale Clearance dimension will be different for scales built to fit existing foundations A minimum 12 long 6 x 6 wo...

Page 30: ... of the weighbridge The wood timber and shims should be set at the proper elevation prior to setting the scale module on dummy load cell pins Insure that the wood timbers are snug against the bottom of the scale weighbridge prior to pouring the concrete deck Ensure the weighbridge deck is properly cured prior to removing the wood timbers Timbers can be removed when load cells are installed in plac...

Page 31: ...e to prevent the module from falling The width of the scale module must have a positive crown in the center as well Stretch a string across the width of the module to the outside edge of the beams Again the center must be even or slightly higher than the outside edges If it is not additional shims must be added between the shoring timber and center of the module For 11 wide and larger modules thes...

Page 32: ...is not make the appropriate adjustments With the modules bolted together adjust the end bumper checking and the side checking stands The poly bumpers on the end wall and the bolt heads on the side checking stands should be approximately 1 16 1 8 away from the end wall and scale structure respectively ...

Page 33: ...tom of the beam This will stop the module from falling to the foundation in the case of a stand or load cell falling over Starting with a load cell dummy stand in the 4 cell module use a hydraulic jack to lift the weighbridge in a location close to the stand being removed Place the jack under the outermost beam for the lifting location Note that on concrete deck scales that have already been poure...

Page 34: ...bottom cup Slide the foam ring over the top of the load cell bottom cup aligning with the anti rotation pin that is protruding Place the load cell onto the assembly taking care that the notch in the bottom of the load cell aligns with the anti rotation pin The cable connector on the load cell should face the center of the scale towards the conduit Using the supplied tube of grease spread a moderat...

Page 35: ...an be adjusted in and out by turning the set screw With the level attached to the load cell verify that the load cell is aligned both horizontally and vertically by ensuring that the air bubble is visible between marked lines If the load cell is out of level adjustments can be made by realigning the foundation base plate Repeat the check with the level to verify that the load cell is aligned corre...

Page 36: ...correctly readjust all bumper checking assemblies to within 1 16 1 8 At this time drill and install all of the anchors for the base plates Anchors are sug gested to be 3 4 X 7 long wedge anchors A 3 4 X 36 long drill bit can be used for the holes Load cell assembly LOAD CELL LEVEL ...

Page 37: ...n the weighbridge Additionally connect a grounding cable from the M8 bolt nut on the locating plate to the same stand off on the weighbridge Adjacent weighbridges require an additional grounding wire from the threaded stand off on the weighbridge which is run to a stand off on the next weighbridge in line STAND OFF ...

Page 38: ...37 STAND OFF Weighbridge Stand Off to Stand Off Grounding Wires Load Cell and Locating Plate Grounding Wires to Weighbridge Stand Offs ...

Page 39: ...lar type of Centurion find the correct wiring diagram on the following pages Additionally a wiring diagram was included with your scale package along with the foundation drawing It is important that all cables be installed so that they do not touch the ground and are internal to the scale Round cable hangers are attached to each module to enable you to use zip ties to secure excess cable by being ...

Page 40: ...id Centurion scale package will include all load cell cables junction box es grounding cables ground rod and surge protection device It does not include homerun cable indicator or printer Be sure that the cables are not run or bundled so tight that they cause the scale mod ules to bind resulting in weight variations After being run connect all load cell cables to the load cells Note Do not cut the...

Page 41: ...N 485 A 485 A SHIELD PINK RED BLACK GRAY 485 R VDC SHLD GND 485 R WHITE 485 A PINK RED SHIELD BLACK GRAY WHITE 485 R SHLD VDC GND 485 A 485 R CELL 6 485 A WHITE CELL 8 WHITE 485 A SHIELD SHIELD WHITE WIRING DIAGRAM DIGITAL JUNCTION BOX 1 WHITE CONNECT CELL 3 CONNECT CELL 1 WIRE TO INDICATOR TO INDICATOR SHIELD BLACK GREEN GRAY SHLD 485 A VDC GND RED GND PINK VDC INPUT SHIELD GRAY GREEN BLACK PINK ...

Page 42: ...1 1 GROUND ROD 8 x 5 8 E 1 108 120 SCALE 12 CELLS 4 GROUND WIRE FROM BRIDGE TO BRIDGE 1 H 2 2 4 4 6 6 BRIDGE TO BRIDGE GROUNDING WIRE DETAIL NOTES 1 IF INDICATOR IS LONGER THAN 50 AWAY CUSTOMER TO SUPPLY ADDITIONAL 6 WIRE FOR ITEM J TO COMPLETE THE RUN 2 ALL SIGNAL WIRES SHOULD BE RUN IN CONDUIT 3 USE TY WRAPS WHERE NECESSARY TO BUNDLE EXCESS CABLE 4 J BOXES FOR PIT INSTALLS WILL BE LOCATED UNDER ...

Page 43: ...of accumulations underneath such as ice dirt mud and debris 2 Inspect the load cell cables for damage 3 The load cell bearing cups should be inspected cleaned and greased periodically 4 Inspect and adjust all bolted connections Use anti seize material on all threads ...

Page 44: ...lat washer Adjustment bolt in load cell nest HW W 7 8L 7 8 lock washer Adjustment bolt in load cell nest HW B 1 2 13X1 5 1 2 13 X 1 1 2 L hex bolt Cover plate bolt stainless steel HW W 1 2F 1 2 flat washer Cover plate washer stainless steel HW W 7 8F 7 8 flat washer Cover plate washer stainless steel 100 60083 1 1 4 dia weld nut Cover plate special weld nut 200 61687 Bumper checking assembly End m...

Page 45: ...cup Load cell mount assembly 899 100042 100K Upper receiver cup Load cell mount assembly 899 100021 75K 100K foam debris ring Load cell mount assembly 899 100025 M6 X 30 anti rotation pin Load cell mount assembly 899 100022 75K Lower receiver mount Load cell mount assembly 899 100043 100K Lower receiver mount Load cell mount assembly 899 100023 75K Isolation disc Load cell mount assembly 899 10003...

Page 46: ...45 ...

Page 47: ...46 Contact Information 1510 Metric Avenue SW Canton OH 44706 Tel 800 266 8900 or 330 471 8900 M F 7 00 AM 5 00 PM Fax 330 471 8909 E mail sales bscales com ...

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