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7550 Fold-up Stationary
Wheelchair Scale
Installation and Operation Manual
0065-0647-0M Rev A Printed in USA
11/13
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0065-0647-0M Rev A 7550 FOLD-UP STATIONARY SCALE
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INTRODUCTION
Thank you for purchasing our DETECTO™ 7550 Fold-up Stationary Wheelchair Scale. It has
been manufactured with quality and reliability at our factory in Webb City, MO USA. This scale
has been assembled and tested before leaving our factory to insure accuracy and
dependability for years to come.
This manual is provided to guide you through the assembly of your scale. Please read it
thoroughly before attempting to assemble your scale and keep it handy for future reference.
COPYRIGHT
All rights reserved. Reproduction or use, without expressed written permission, of editorial or
pictorial content, in any manner, is prohibited. No patent liability is assumed with respect to
the use of the information contained herein.
DISCLAIMER
While every precaution has been taken in the preparation of this manual, the Seller assumes
no responsibility for errors or omissions. Neither is any liability assumed for damages resulting
from use of the information contained herein. All instructions and diagrams have been
checked for accuracy and ease of application; however, success and safety in working with
tools depend to a great extent upon the individual accuracy, skill and caution. For this reason
the Seller is not able to guarantee the result of any procedure contained herein. Nor can they
assume responsibility for any damage to property or injury to persons occasioned from the
procedures. Persons engaging the procedures do so entirely at their own risk.
PRECAUTIONS
Before beginning assembly of this scale, read this manual and
pay special attention to all "NOTIFICATION" symbols:
IMPORTANT:
0065-0647-0M Rev A 7550 FOLD-UP STATIONARY SCALE
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SPECIFICATIONS
Capacity: 1,000 lb x 0.2 lb / 450 kg x 0.1 kg
Platform Size (Flat Portion): 32.3 in W x 33 in D / 81.9 cm W x 83.9 cm D
Overall Dimensions
Width:
Depth:
Height:
50.3 in / 127.6 cm
39.3 in / 99.7 cm (with platform extended)
7.3 in / 18.4 cm (without platform extended)
44.5 in / 113 cm (with indicator)
41.1 in / 104.4 cm (without indicator)
Power: 6 “C” cell Alkaline, Ni-Cad or NiMH batteries (not included) OR
an optional 12 VDC 1.25A wall plug-in AC power adapter
(Detecto part number MV1PWR)
Display: 5-digit, 7-segment, 7/8 inch (22.23 mm) high LCD weight digits
Keypad: 19 key, color-coded, sealed membrane
Connectivity: RS232 serial, USB and optional wired and Wi-Fi Ethernet
Weight: 180 lb
FEATURES
Slim, 7.3-inch Profile
2-Way Easy Access Ramps
Compact Vertical Fold-Up Platform Conserves Space
Gas Spring Lifting Mechanism
Platform Lip to Hold Wheelchairs in Place on Scale
Optional Wi-Fi Connectivity for EMR/HER
USA-Made Quality - ISO 9001:2008
Sturdy Steel Construction for Durability
RS232 Serial and USB Ports Standard
350-Degree Tilt-and-Swivel Rotating Indicator
Body Mass Index Calculation
Optional Printer Available to Record Patient Weights
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INSTALLATION
Location
The scale should be installed in a location with a flat, level floor. Note that the weighing
platform will not sit completely against the floor. This will not affect the accuracy of the scale
as the weighing platform will settle to the floor when the patient is placed on the scale.
Back Load Cell
Front Load Cell
1/8” – 1/4” Clearance
The front load cells of the weighing platform will be off the floor. The back
load cells must
There should be 1/8” to 1/4” clearance between
the sides of the scale frame and the floor. This
clearance is required for the lift mechanism to
close completely. The included shims can be
used to raise the scale if there are slight
imperfections with the floor or wall mount
installation that sits the wall mount too low and
prevents the scale from closing completely. If
the wall mount is too high the back load cells
will not touch the floor when the weighing
platform is lowered. If the wall mount is too
high, the wall mount must be moved lower on
the wall or the scale will not function correctly.
NOTE: It may be necessary to remove any base molding/chair rail/wall guard or to remove a
section of the base molding/chair rail/wall guard to provide space to mount the scale in a true
vertical position. An alternative method would be to shim the wall mount away from the wall to
accommodate any base molding/chair rail/wall guard.
be sitting completely on the floor.
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Step 1 – Unpack the Scale
IMPORTANT:
SHOULD BE PERFORMED BY TWO PEOPLE. PLEASE READ THROUGH THE
INSTRUCTIONS CAREFULLY BEFORE STARTING TO INSTALL THE SCALE.
NOTE: Make certain the scale has been received in good condition. Check for any damage
incurred in shipping. If scale has been damaged, place a claim with the carrier. It is the
responsibility of the purchaser to file all claims for any damages or loss incurred during transit.
Keep the carton and packing material for return shipment if it should become necessary.
1. Cut the shipping straps and remove the shipping carton top to unpack the scale.
UNPACKING AND INSTALLATION OF THIS PRODUCT
Wall
Mount
Weight
Indicator
2. Remove the boxes containing the Wall Mount and Weight Indicator from the shipping carton.
NOTE: Leave the strap securing
the Weighing Platform to the
Scale Frame until instructed to
remove it in “Step 4 – Install the
Scale on the Wall Mount”.
Cut
Tape
Leave this strap until
instructed to remove!
3. Remove all packing material.
4. Cut the tape securing the flaps on one end
of the carton and with an assistant, slide
the scale out of the carton.
NOTE: When the scale is out of the
carton, DO NOT lift the scale by the
strap securing the weighing platform
to the scale frame to raise the scale
to the upright position.
DO NOT lift scale by this strap!
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Step 2 – Install the Wall Mount
NOTE: Due to the various types of wall construction, no mounting hardware is
furnished with the scale. Appropriate mounting hardware suitable to the wall’s
construction will need to be obtained to secure the wall mount to the wall.
The wall mount allows the scale to be adjusted up or
down and left or right to accommodate floors that
may not be perfectly flat. This insures the accuracy
of the weighing platform and prevents undue stress
to the scale.
The wall mount should be secured to the wall using
mounting hardware suitable to the wall’s construction.
The six (6) holes (in groups of two, sixteen (16) inchs
apart) in the wall mount allow for 1/4" hardware to be
used to secure the wall mount to the wall.
1. Determine the desired location where the scale is
to be mounted.
2. With an assistant, place the wall mount against
the wall. Insure it’s level and 35 1/2” from the top
edge of the wall mount to the floor.
3. Mark the holes to mount the wall mount.
4. Remove the wall mount and drill the required
diameter holes for the mounting hardware used.
35 1/2”
Top Edge
to Floor
5. Fasten the wall mount to the wall.
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Step 3 – Routing the Load Cell Cable
1. With the help of an assistant, raise the scale to the upright position.
NOTE: DO NOT lift the scale by the shipping strap to raise to the updright
position. Refer to the note and picture in “Step 1 – Unpack the Scale”.
2. On the back of the scale, locate the load
cell cable and the large cut-out in the scale
frame.
3. Feed the load cell cable through the large
cut-out in the back of the scale frame.
4. Continue feeding the load cell cable
through the scale frame and up through the
notch in the top of the scale frame.
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Step 4 – Install the Scale on the Wall Mount
1. Once the Load Cell cable has been routed through the scale frame, remove the strap
securing the weighing platform to the scale frame. Refer to the note and picture in Step 1.
2. With an assistant, lift the scale above the wall mount and then lower it into position in the
channel of the wall mount.
3. Center the scale side to side in the channel of the wall mount.
Rubber
Bumper
Wall
Mount
Rubber
Bumper
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Step 5 – Install the Weight Indicator
1. Remove the weight indicator from its box and unpack it. Obtain and install 1 six “C”
batteries in the indicator.
2. Assemble the indicator swivel ball socket mount and then place it over the bolt and
washer on the top right of the scale frame.
Adjustment
Knob
Swivel Ball
Socket
Mounting Bolt
and Washer
3. To install the indicator, slightly loosen the adjustment knob to allow the two parts of the
socket to open enough to insert the rubber ball and place the rubber ball on the back of the
indicator into the swivel ball socket mount. Tighten the adjustment knob slightly to secure
the indicator for the next step.
4. Turn the indicator around (display away from you). Locate the 9-pin load cell connector on
the back panel of the indicator. Align the long edge of the load cell cable connector with
the long edge of the indicator connector. Place the load cell cable connector on the
indicator connector and secure using the load cell cable retaining screws.
5. Adjust the indicator to the desired viewing angle and direction and then tighten the
adjustment knob.
1
NOTE: For more detailed information on installing the batteries, connecting the load
cell cable and mounting the weight indicator on the scale, refer to the MedVue Model
MV1 Medical Weight Analyzer Owner’s Manual, 8555-M512-O1.
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Step 6 – Scale Operation
1. With the weighing platform in the closed
(stored) position, grasp the top edge of the
platform and pull it down into the operating
position.
2. ON/OFF key to turn the
With the weighing platform in the operating position, press the
indicator on.
3. pty wheelchair on the weighing platform and
When the indicator reads Zero, place the em
TARE the wheelchair weight if desired.
4. pulling the wheelchair onto the platform.
Position the patient on the weighing platform by
Do Not push the wheelchair on or off the we
DANGER: Never PUSH the wheelchair ont
Always PULL the wheelchair onto and off th
ighing platform.
o or off the weighing platform!
e platform. Serious injury to the
patient could occur!
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Direction
of Travel
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Step 6 – Scale Operation, Cont.
5. Lock the wheelchair wheels.
6. When the weight reading is steady, record the patient’s weight.
7. Remove the patient by pulling the wheelchair off the weighing platform. Do Not push the
wheelchair off the weighing platform.
8. To return the weighing platform to the closed (stored) position, lift the platform up.
Lift weighing platform up to return to
the closed (stored) position.
Platform in closed (stored) position
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PARTS IDENTIFICATION
FRAME ASSEMBLY
ITEM QTY PART NUMBER DESCRIPTION
1 1 0065-C624-0A CYLINDER MOUNT WELDMENT LEFT
2 1 0065-C624-1A CYLINDER MOUNT WELDMENT RIGHT
3 1 0065-D620-08 TOP COVER
4 1 0065-D625-0A FRAME WELDMENT
5 20 6021-2033 SCW BUTTON-HD. CAP-SCREW.. 10-32X.25
8 1 8555-B519-0A MEDVUE MTG KIT ASSY
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PARTS IDENTIFICATION
FRAME ASSEMBLY, CONT.
ITEM QTY PART DESCRIPTION
1 1 EFT
5 20 6021-2033 ON-HD. CAP-SCREW.. 10-32X.25
6 2 6031-0220 NG, 10 MM DIA, 5/16” - 18
7 AR 6560-1125 42 THRDLCKR, REMOVABLE
0065-C624-0A CYLINDER MOUNT WELDMENT L
NUMBER
SCW BUTT
BALL STUD, GAS SPRI
ADHESIVE LOCTITE 2
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PARTS IDENTIFICATION
SUPPORT TRAY ASSEMBLY
ITEM QTY PART NUMBER DESCRIPTION
7 1 0065-D627-0A SUPPORT FRAME
8 1 3502-B629-0A PCB 7550 4 CELL TRIM BOARD
10 2 6021-0654 SCW PAN-HEAD. MACHINE-SCW 06-32X 0.25
13 4 6610-5007 CABLE CLIP, 1” X 1” GREY
14 4 FP-250 LOAD CELL, FLAT PLATE, 250 LBS
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PARTS IDENTIFICATION
SUPPORT TRAY ASSEMBLY, CONT.
ITEM QTY PART NUMBER
1 8 0031-B014-08
2 4 0065-B632-0A
3 8 0065-B635-08
4 4 0065-B636-08
5 8 0065-B637-08
6 4 0065-B642-08
9 16 6013-0295
11 4 6031-0220
12 AR 6560-1125
0065-0647-0M Rev A 7550 FOLD-UP STATIONARY SCALE
DESCRIPTION
SPACER
LOAD CELL FOOT WELDMENT
LOAD CELL MOUNT SPRING
LOAD CELL SPACER
LOAD CELL WASHER
WEIGHBRIDGE MOUNT, 7550
NUT #10-32 HEX Z/P
BALL STUD, GAS SPRING, 10 MM DIA, 5/16” - 18
ADHESIVE LOCTITE 242 THRDLCKR, REMOVABLE
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PARTS IDENTIFICATION
FINAL ASSEMBLY
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PARTS IDENTIFICATION
FINAL ASSEMBLY, CONT.
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PARTS IDENTIFICATION
FINAL ASSEMBLY, CONT.
ITEM QTY PART NUMBER DESCRIPTION
1 2 0065-B610-08 BUSHING
2 2 0065-B613-08 CYLINDER SLIDE
3 2 0065-B621-08 BUMPER MOUNT
4 1 0065-b638-0A INDICATOR CABLE 7550
5 2 0065-C609-08 PIVOT BLOCK
6 2 0065-C618-08 FRAME COVER
8 1 0065-D630-08 DECK, 7550
9 1 0065-D639-0A SUPPORT TRAY ASSEMBLY
10 1 0065-D640-0A FRAME ASSEMBLY
11 2 6021-1058 SCW TRUSS-HEAD MACHINE-SCW 10-32X.375
12 2 6021-1246 SCW SHOULDER.. SOCKET HEAD 5/16-18X1.0”
13 4 6021-1801 SCW FLAT-HEAD. SOCKET CAP
.25-20X.375 BLACK OXIDE
14 28 6021-2033 SCW BUTTON-HD. CAP-SCREW.. 10-32X.25
15 2 6031-0219 CYLINDER, GAS SPRING, 191 LBS,
TWO SOCKET 8 INCH STROKE
16 2 6031-0221 CYLINDER, GAS SPRING, 191 LBS,
ONE SOCKET 8 INCH STROKE
17 AR 6050-3049 GREASE, FOOD GRADE, MOLYKOTE G-4500 14OZ
18 AR 6560-1125 ADHESIVE LOCTITE 242 THRDLCKR, REMOVABLE
19 3 6610-5007 CABLE CLIP, 1” X 1” GREY
20 2 6680-0021 SPACER NYLON 1.000 OD X .450 ID X .219 LONG
21 2 8529-B215-08 SUPPORT, TRAY
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1 0065-C641-08 MAT-DECK, 7550
NOT SHOWN
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7550 WALL MOUNT (0065-C623-08) AND HOLE SPACING
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STATEMENT OF LIMITED WARRANTY
Detecto Scale warrants its equipment to be free from defects in material and workmanship as follows: Detecto warrants to the
original purchaser only that it will repair or replace any part of equipment which is defective in material or workmanship for a
period of one (1) year from date of shipment. Detecto shall be the sole judge of what constitutes a defect.
During the first ninety (90) days Detecto may choose to supply all necessary replacement parts and service during normal weekday working hours at no charge to the buyer.
After the first ninety (90) days Detecto will supply parts and service at the job site provided the owner agrees to pay the Dealer
for all travel time, including mileage and test equipment, as well as any expenses incurred over the direct labor of the technician at
the job site. This limited warranty honors only labor performed by Detecto authorized dealers.
This warranty does not apply to peripheral equipment not manufactured by Detecto; this equipment will be covered by certain
manufacturer’s warranty only.
This warranty does not include replacement of expendable or consumable parts. This does not apply to any item which has
deteriorated or damaged due to wear, accident, misuse, abuse, improper line voltage, overloading, theft, lightning, fire, water or
acts of God, or due to extended storage or exposure while in purchaser’s possession. This warranty does not apply to maintenance
service. Purchased parts will have a ninety (90) day repair or replacement warranty only.
Detecto may require components be returned to the factory; they must be properly packed and shipping charges prepaid. A return authorization number must be obtained for all returns and marked on the outside of all returned packages. Detecto accepts
no responsibility for loss or damage in transit.
Conditions Which Void Limited Warranty
This warranty shall not apply to equipment which:
A.) Has been tampered with, defaced, mishandled or have had repairs and modifications not authorized by Detecto.
B.) Has had serial number altered, defaced, or removed.
C.) Has not been grounded according to Detecto’s recommended procedure.
Freight Carrier Damage
Claims for equipment damaged in transit must be referred to the freight carrier in accordance with freight carrier regulations.
This warranty sets forth the extent of our liability for breach of any warranty or deficiency in connection with the sale or use of
the product. Detecto will not be liable for consequential damages of any nature, including but not limited to, loss of profit, delays
or expenses, whether based on tort or contract. Detecto reserves the right to incorporate improvements in material and design
without notice and is not obligated to incorporate improvements in equipment previously manufactured.
The foregoing is in lieu of all other warranties, express or implied including any warranty that extends beyond the description of
the product including any warranty of merchantability or fitness for a particular purpose. This warranty covers only those Detecto
products installed in the forty-eight (48) contiguous continental United States.
02/06
Printed in USA
D268-WARRANTY-DET
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