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B-TEK Scales 4 Square, Installation Manual

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B-TEK Scales 4 Square Installation Manual Download Page 23

2020 

 www.B-TEK.com 

Floor Scale Installation Manual

23

With all of the potentiometers at “maximum signal” set the 

test weight over one corner of the scale platform and record 

the weight shown on the indicator. Repeat this process for the 

remaining three corners. Whichever corner load cell has the 

lowest reading will be used as the reference and will not be 

adjusted.

Place the test weight on one of the other three corners and ad-

just the potentiometer down for that corner’s load cell to match 

the weight shown for the reference cell. Repeat this for the 

remaining two corners.

Adjusting the three corners may slightly change the output of 

the reference cell.

Re-zero the indicator and repeat this process until all the cells / corners are /- 1% of the weight of the test weight.

Refer to your particular indicator’s manual for specific calibration procedure. In general you should place the indicator into 

“calibration” mode and perform a zero calibration with no weight on the scale. Then place test weights on the scale equal 

to 70%-80% of the scale’s total capacity. If several test weights are being used they should be spaced evenly around the 

platform. Perform a “span” calibration on the indicator.

Remove all test weights and check the zero reading on the indicator. If necessary, repeat the above procedure for calibra

-

tion and then remove the indicator from its calibration model.

Troubleshooting

The indicator does not operate (no display): 

 

• Check power source / plug

 

• Fuse in indicator has blown

 

• Connection cable is cut

 

• Incorrect connection to scale

The indicator display stays at zero:

 

• Faulty indicator

 

• Incorrect connection for load cell wires

 

• Load cell feet were not installed

Varying weight indication:

 

• Scale platform is not level

 

• Check for items under platform (binding)

 

• Load cell or cable water damage

 

• Vibration near scale (remove source)

 

• Faulty indicator

 

• Load foot contacting scale frame

 

Consistently weighing incorrectly

: 

• Scale platform is binding

 

• Indicator not adjusted to zero properly

 

• Indicator not adjusted to span properly

 

• Load cell is damaged

 

• Load foot contacting scale frame 

 

• If in a pit, debris between scale and edge

Summary of Contents for 4 Square

Page 1: ...4 Square Clydesdale Clydesdale Lift Deck Workhorse Drum Scale RPS Rocker Pin Models Include ...

Page 2: ...www B TEK com 2020 Floor Scale Installation Manual 2 ...

Page 3: ...ion RPS Carbon and Stainless General Specs Page 11 Installation Overview Site Preperation Page 12 Pit Frame Installation Page 13 Unpacking Page 14 Assembling the Scale Page 15 Assembling the Scale Workhorse Page 16 Assembling the Scale Drum Page 16 Assembling the Scale RPS Page 17 Anchoring the Scale RPS Page 18 Opening and Cleaning Lift Deck Page 19 Summing Board Connections Page 20 Floor Scale W...

Page 4: ...500 lbs to 10 000 lbs Custom sizes and capacities are available contact factory for more information The Workhorse series of carbon steel scales is a heavy duty version platform scale with standard size of 4 X 4 to 12 X 10 Capacities range from 20 000 lbs up to 40 000 lbs The scale is NTEP approved Custom sizes and other capacities are available contact the factory for more information The Drum sc...

Page 5: ...l tread plate decking with structural channel sub structure Deck Top access junction box threaded lifting eye bolt hole in platform center Paint System Alkyd Enamel Load Cell 4 4 000 lb plated alloy steel 350 Ohms 3 0mV V cells Leveling Foot B TEK Level Flex rubber feet 2 5 diameter base Junction Box NEMA 4 fiberglass reinforced plastic FRP box with signal trim summing board Accessories Ramps bump...

Page 6: ...structure 10K LE 20K Deck Top access junction box leveling foot adjustment holes Threaded lifting eye bolt holes 5 8 11 eyebolt Paint System Alkyd Enamel Load Cell Plated alloy steel 350 Ohms 3 0mV V FM Approved 500lb capacity 4 250lb cells 1K capacity 4 500 lb cells 2 5K capacity 4 1 000 lb cells 5K capacity 4 2 500 lb cells by request in Clydesdale 5K capacity 4 4 000 lb cells standard in Clydes...

Page 7: ...Side access junction box threaded lifting eye bolt holes Finish All exposed surface are media blasted to a clean consistent appearance Load Cell Stainless steel IP67 350 Ohms 3 0mV V FM Approved 2 5K capacity 4 1 000 lb cells 5K capacity 4 2 500 lb cells by request in Clydesdale SS 5K capacity 4 4 000 lb cells standard in Clydesdale SS 10K capacity 4 5 000 lb cells Optional hermetically sealed IP6...

Page 8: ...ting handles on top plate with dual gas shocks to aid in raising Finish All exposed surfaces are media blasted to a clean consistent appearance Load Cell Stainless steel IP67 350 Ohms 3 0mV V 2 5K capacity 4 1 000 lb 5K capacity 4 2 500 lb cells by request in Clydesdale 5K capacity 4 4 000 lb cells standard in Clydesdale Optional hermetically sealed IP68 cells are available for any capacity listed...

Page 9: ...late with WF Beam sub structure Deck Welded deck plate standard Bolted deck plate optional Paint System Alkyd Enamel Load Cell B TEK LCMT mount assembly bolted to WF Beam sub structure 20K capacity 4 10 000 lb plated alloy steel 350 Ohms 3 0mV V 30K capacity 4 10 000 lb plated alloy steel 350 Ohms 3 0mV V 40K capacity 4 20 000 lb plated alloy steel 350 Ohms 3 0mV V Junction Box Externally mounted ...

Page 10: ...l design Deck Side access FRP junction box leveling foot adjustment holes in side rails Paint System Finish Carbon Alkyd Enamel Stainless All exposed surfaces are media blasted to a clean consistent appearance Load Cell Plated alloy steel 350 Ohms 3 0mV V 1K capacity 4 1 000 lb 2 5K capacity 4 2 500 lb Stainless steel IP67 350 Ohms 3 0mV V 1K capacity 4 1 000 lb 2 5K capacity 4 2 500 lb Junction B...

Page 11: ... deck plate w formed channel sub structure Deck Top access junction box threaded lifting eye bolt holes 5 8 11 eyebolt Paint System Finish Carbon Alkyd Enamel Stainless All exposed surfaces are media blasted to a clean consistent appearance Load Cell Stainless steel IP67 350 Ohms 2 0 mV V FM Approved 1 000 lb capacity 4 500 lb cells 2 500 lb capacity 4 1 250 lb cells 5 000 lb capacity 4 2 500 lb c...

Page 12: ...e scale Installation Site Preparation In order to ensure that the scale platform will not be loaded over its intended capacity take care that the installation site will not allow unintended loads from being placed on the scale Make sure that the scale location is not in the path of forklift tow motor traffic or in the vicinity of falling objects If the scale has not been designed for a washdown ap...

Page 13: ... frame making sure concrete is supporting the four corner plates where the scales load feet rest All weight will be on these plates Let concrete cure for at least 24 hours Cut off home run conduit flush with floor so it does not contact the scale Run homerun cable through conduit leaving at least 5 feet of excess You will need this length to move the scale out of the pit when servicing Wire indica...

Page 14: ...ctural channel under the junction box cover Feet will not be packed internally in the following instances Scale 30 X 30 or smaller Uses Level Flex rubber base feet 3 4 or 1 threaded leveling feet All side access J box scales Special applications Clydesdale platforms will have threaded holes through the deck for using 5 8 11 UNC threaded lifting eyes not provided for lifting and moving the scale 30...

Page 15: ...e by the amount each leveling foot has been threaded into the cell IMPORTANT Check to make sure the top of the load foot stem does not touch the scale by inserting too far Visually inspect the four corners adjustment holes or make sure your finger fits between the load foot stem and scale frame This will cause the scale to not weigh correctly Using a level on top of the scale platform length and w...

Page 16: ...e floor may include foot locating plates or may rest on topside of a bottom mounting plate all depending on the application Assembling the Scale Drum Scale On drum scale the load cells are mounting inside the ends of the side tubes There are cut outs on the bottom side of the tube to allow the feet to be threaded into the load cells Again there are through holes on the top side of the side tubes t...

Page 17: ...head countersink bolts and anchors to install the scale Standard hex bolts will contact the scale platform and will cause inaccurate scale readings Assembling the Scale Rocker Pin Suspension Place base frame onto the floor making sure the frame is level Install pins into all four corners The rocker frame design does not allow for height adjustments Temporarily place the scale onto the load pins to...

Page 18: ...this step for all of the anchor locations Clean the hole using compressed air and a nylon brush Tap anchor into the drilled hole until flush with cement Insert the setting tool into the end of the anchor and expand the anchor by striking the end of the setting tool with a hammer The anchor is set fully expanded when the shoulder of the setting tool touches the anchor Full expansion is necessary fo...

Page 19: ...ing bolts are released lift deck Once deck is open locate built in locking support bars Locate built in upper clevis pin s Remove cotter pin and place support bar onto upper clevis pin Place cotter pin back into clevis pin to secure bar in place Repeat process for all remaining support bars The Lift Deck can now be safely cleaned washed down Reverse steps to lower deck and latch into place ...

Page 20: ...mming board Load cell wiring will be as follows for Sensortronic cells Note For alternate interchangeable load cell brands check calibration certificate for wiring specifics or refer to the drawing below Make certain that all of the cord grip fittings on the junction box are tightened with a wrench so that the internal rubber sleeve begins to protrude from the nut Pull slightly on the cables to en...

Page 21: ...ALE CONNECTOR B TEK ANALOG DD SERIES HOMERUN CABLE COLOR CODE OPTIONS B TEK T103 B TEK T40xS B TEK T503W WORLD WEIGH BWS NOTE Jumper W1 W2 for 4 wire install NOTE Sense wires or jumper wires required NOTE Jumper P1 P2 for 4 wire install NOTE Use of sense wires is selectable Use Menu Path Build Cable 4 or 6 WORLD WEIGH C100 6lb thru 60lb SOLDER SIDE OF MALE CONNECTOR SOLDER SIDE OF FEMALE CONNECTOR...

Page 22: ...d Cells Connecting the Indicator Depending on the type of scale package and or indicator purchased the connecting or homerun cable between the scale and indicator may or may not be provided A 4 wire cable is required to connect the two together or an optional 6 wire cable for longer runs over 50 ft It may be hard wired or can be equipped with a quick disconnect type fitting For a hard wired connec...

Page 23: ...o weight on the scale Then place test weights on the scale equal to 70 80 of the scale s total capacity If several test weights are being used they should be spaced evenly around the platform Perform a span calibration on the indicator Remove all test weights and check the zero reading on the indicator If necessary repeat the above procedure for calibra tion and then remove the indicator from its ...

Page 24: ...ing or something similar underneath when working on the cell replacement Disconnect the wire leads from the summing board of the load cell being replaced Pull the load cell cable from the summing board location and out of the understructure of the scale With the cable freed remove the leveling foot and the two mounting bolts from the load cell Prior to bolting the new load cell in place route the ...

Page 25: ...026 10 000 lb SS load cell Stainless steel Call B TEK 1 000 lb SS Hermetic cell Stainless steel hermetically sealed 813 500030 2 500 lb SS Hermetic cell Stainless steel hermetically sealed 813 500009 4 000 lb SS Hermetic cell Stainless steel hermetically sealed 813 500022 5 000 lb SS Hermetic SE SS hermetic small envelope 813 500004 5 000 lb SS Hermetic LE SS hermetic large envelope 911 000005 1 2...

Page 26: ... B TEK com Floor Scale Installation Manual 26 B TEK Scales LLC 1510 Metric Ave SW Canton Ohio 44706 800 266 8900 Direct 330 471 8900 Fax 330 471 8909 Monday Friday 7 00 AM 5 00 PM www B TEK com sales b tek com ...

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