Manual - SR Instruments, Inc.
Contents
1. Figure 2 Display Cable Connector and Battery Compartment Cover Continued next page SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 5 of 18 ASSEMBLY Cont d STEP 5 Attach the Display Cable Connector 7 to its mate in the Base Assembly Slide the extra cable back up into the mast pipe STEP 7 Install the six 6 D cell batteries as indicated on the Battery Compartment Cover label Tightly close the cover STEP 8 Return the scale to the upright position INSTALLING OPTIONAL PRINTER STEP 1 Mount the Printer Mast Bracket 9 to the rear of the Mast Assembly 1 using the two 2 mounting screws provided NOTE The three holes on the Printer Mast Bracket should be towards the top of the Mast figure 3 STEP 2 Apply a small amount of Loctite to the three 3 small screws provided and attach the Printer Mounting Bracket to the Printer Mast Bracket figure 4 STEP 3 Attach the Printer to the Printer Mounting Bracket by inserting the tabs on the Printer Mounting Bracket figure 4 into the slots on the back of the Printer and carefully snap in place STEP 4 Plug the Printer Cable into the Printer and into the Display Unit Tighten the connector screws into the Display Unit connector Fig2. SR Instruments patient weighing systems are digital scales Strain gauge force cells convert the force of an applied weight into an analog signal This signal is amplified by an operational amplifier and converted to a digital signal by an on chip analog to digital converter The digital signal is filtered converted to appropriate units and displayed on the liquid crystal display Strain gauge force cells each contain four strain gauges mounted in a full Wheatstone bridge configuration These bridges convert the physical movement of the force cell due to the applied mass on the system into minute changes in electrical resistance These changes in resistance produce a voltage difference across the Wheatstone bridge which is amplified by the operational amplifier The amplifier is configured to current sum the output of each cell with potentiometers serving to normalize the sensitivity voltage out per unit of weight applied of each bridge The offset potentiometer produces a small current which nulls the output of the amplifier for an unloaded system The output of the operational amplifier is digitized by the analog to digital converter The sigma delta converter sums a rapid sequence of O s O volts and 1 s reference voltage to achieve balance with the input signal from the amplifier The micro controller filters the digital output of the analog to digital converter subtracts the value saved during the system zero operation and scales th
3. Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 7 of 18 SYSTEM DESCRIPTION and INTENDED USE SYSTEM DESCRIPTION The SR7551 Wheelchair Scale employs the latest in microprocessor and load cell technology to provide accurate and repeatable weight data Four 4 identically matched transducers are strategically placed to ensure an accurate representation of the patient s weight The low power microprocessor circuitry allows the SR755i to derive its power from six 6 common D cell batteries which will provide up to 166 hours of weight readings before needing replacement This eliminates the need for an external battery charger or the danger of an AC power supply cord on a portable scale The patient s weight is displayed on a 16 character dot matrix LCD The weight data may be viewed in either pounds or kilograms with a displayed resolution of 0 1 for each INTENDED USE The SR7551 Wheelchair Scale is specifically designed for use as a portable patient weighing system for WARNING ambulatory and non ambulatory wheelchair bound DO NOT EXCEED patients or those that need to be supported by a chair or MAXIMUM WEIGHT LIMIT OF walker Maximum weight capacity must not exceed 1000 LB 454 KG 1000 pounds or 454 kilograms gross weight MAINTENANCE and CLEANING The displ
4. the weigh screen WT 0 0 Lb Press ENTER to save height data and display BMI calculation The BMI will be displayed example BMI 20 5 RECALLING LAST STABLE WEIGHT gt RECALL Press to recall last stable weight The display will scroll thru WT HT and BMI stored values in approximately two second intervals example RCL WT 123 5 Lb RCL HT 65 in and RCL BMI 20 5 BATTERY REPLACEMENT WARNING DO NOT remove batteries while scale is on Allow scale to shut down naturally thru timing out This prevents possible voltage drain on the printed circuit board coin battery STEP 1 The display will read CHANGE BATTERIES STEP 2 Figure 6 Tip the scale on its side and unscrew the two 2 screws in the Battery Compartment Cover located on the base of the unit between the wheels STEP 3 Remove and replace ALL six 6 D cell batteries Refer to Battery Compartment Cover label for placement STEP 4 Press the WEIGH button to confirm display is working STEP 5 Tightly close the cover STEP 6 Zero the system Figure 6 Battery Compartment SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 12 of 18 THEORY OF OPERATION
5. AUGE optional Telescoping gauge 43 in to 79 in DISPLAY TYPE 16 Character Dot Matrix LCD DISPLAY RESOLUTION 0 1 b 0 1 kg ACCURACY 0 1 1 digit of displayed resolution for calibrated range AUTO ZERO One button operation AUTO POWER DOWN Approximately 30 seconds adjustable to 300 seconds RECALL Recalls last stored weight height and BMI AVERAGING Automatic digital filter POWER SUPPLY Six 6 D cell batteries CALIBRATION Calibration is traceable to NIST standards Normal operating conditions for this product Ambient OPERATING CONDITIONS Temperature Range 68 F to 85 F 20 C to 30 C Relative Humidity Range 0 to 85 Avoid exposure to high pressure water or steam Storage and transport conditions should not vary outside the following conditions Relative Humidity 0 to TRANSPORT and STORAGE 85 Ambient Temperature 14 F to 122 F 10 C to 50 C Remove batteries if storing longer than three 3 months SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 9 of 18 BUTTON FUNCTIONS Figure 5 Button Display ZERO WEIGH Press and hold to zero The display will read WT 0 0 Lb This is used to zero the system before placing the patient on the scal
6. BATTERY REPLACEMENT Check display cable to make sure it is connected securely For additional information or assistance telephone our Service Hotline 1 800 654 6360 or e mail sri srinstruments com SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 17 of 18 WARRANTY FOUR YEAR LIMITED WARRANTY Each SR Instruments Inc is manufactured with high quality components SR Instruments Inc warrants that all new equipment will be free from defects in material or workmanship under normal use and service for a period of four 4 years from the date of purchase by the original purchaser Normal wear and tear injury by natural forces user neglect and purposeful destruction are not covered by this warranty Warranty service must be performed by the factory or an authorized repair station Service provided on equipment returned to the factory or authorized repair station includes labor to replace defective parts Goods returned must be shipped with transportation and or broker charges prepaid SR Instruments Inc s obligation is limited to replacement of parts that have been so returned and are disclosed to SR Instruments Inc s satisfaction to be defective The provisions of this warranty clause are in lieu of al
7. E Ensure that nothing is in contact with the scale system during this procedure Remove hands from the system when noting the displayed calibration results STEP 1 Remove the four 4 screws on the bottom of the display housing Lift the display panel Put the scale system into the Calibration Mode by switching the calibration switch on the display board Figure 8 CALIBRATION will flash on the display STEP 2 Select known calibrated weights traceable to NIST NOTE The first weight should be at least 500 pounds half of the maximum scale capacity The second weight should be less than half of the first weight DO NOT USE barbells or uncalibrated weights STEP 3 Press the MENU button until FULL 1000 00 Lb is displayed Set the FULL value of the first selected calibrated weight Use the UP arrow button to select the digit and the DOWN arrow button to change digit Press ENTER to save changes STEP 4 Press the MENU button until HALF 500 00 Lb is displayed Set the HALF value of the second selected calibrated weight Use the UP arrow button to select the digit and the DOWN arrow button to change the digit Press ENTER to save changes STEP 5 Press MENU button until 3 Pt Calibration is displayed Press the UP arrow button STEP 6 Zero the scale by removing all weight from the platform Press the UP arrow button STEP 7 Place the HALF weight from Step 4 on platform Allow weight to stabilize Press UP arrow to
8. FLAT HEAD SCREWS 4 ea CALIBRATION CERTIFICATE WARRANTY CARD MANUAL Box 2 SR8220 Optional Printer Kit PRINTER PRINTER BATTERY CHARGER PRINTER CABLE PRINTER MAST BRACKET amp HARDWARE PRINTER MOUNTING BRACKET amp HARDWARE PRINTER PAPER LOCTITE SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 4 of 18 ASSEMBLY PARTNAME O OO O a386 Screws O O O 6 Battery Compartment Cover 8 Printer optional 9 Printer Mast Bracket optional STEP1 Unpack the scale system and check parts against the PACKING CHECKLIST If there are any missing or damaged parts please call the Service Hotline 1 800 654 6360 STEP 2 Figure 1 Position the Mast Assembly 1 into the Base Assembly 2 as shown while feeding the display cable through the cable hole on the right STEP 3 Figure 1 Insert the four 4 3 8 16 screws 4 into the holes in Mast Assembly and Base Assembly as indicated Secure the Mast Assembly by tightening screws into Base Assembly Figure 1 Scale Assembly Diagram STEP 4 Gently rest the scale on its side Verify that the serial number on the bottom of the Display Unit 5 matches that on the Battery Compartment Cover 6 located in the Base Assembly between the wheels
9. H button LIMIT LOAD LIMIT eea 100 0 100 1 STEP 3 Place the calibrated weight on the scale and press the ZERO WEIGH button Wait for scale to stabilize note scale reading Repeat step as necessary to verify calibration within desired range 399 6 400 0 400 4 NOTE The scale readings for both weights should be within the Calibration Tolerance Figure 7 Figure 7 Calibration Tolerance Table IMPORTANT CALIBRATION Qualified service personnel only should perform this procedure The SR755i load cells have no user serviceable components and should not be tampered with for any reason Re calibration is generally not required but should be verified periodically to ensure accuracy The recommendation for calibration check is at least once every 12 months or as individual maintenance policy requires CALIBRATION SWITCH aan Figure 8 Calibration Switch Diagram Continued next page SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 14 of 18 CALIBRATION cont d CAUTION The integrated circuits and semiconductors on the printed circuit boards may be damaged by electrostatic discharge ESD Be sure to use proper handling precautions at all times SETTING CALIBRATION NOT
10. Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 1 of 18 SRScales by SR Instruments Inc Model SR755i Wheelchair Scale Operating and Service Manual SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_ 151029 Page 2 of 18 TABLE OF CONTENTS TABLEOFTIGURES srera EE EE EE EE E 2 PACKING CHECKLIST MODEL SR 755 I csvecsssesssserevssesesessversavescncacosvasteneseicstacstnetescenundesseviesass 3 PROV Es Ysa si hase cust E ie eassesaessnevsaceieseeseesnerice 4 REPLACEMENT PARTS AND ACCESSORIES se sssscssscasssves scseasactentvescaastussctenncestussectusteavsnsexentes 6 SYSTEM DESCRIPTION AND INTENDED USE eeeeeeeseccceccsecccesecceesesseseesesesessssessessesessssssse 7 MAINTENANCE AND CLEA NENG sig csccsiecaticeieiateseiensistetessecdsieestscssacdessdesssetetescecdsaessteacseacteasiectss 7 STORAGE AND TRANSPORTATION sscssssssscesererscstetivecssestussessaenacessssussstetevecvenstunsisedieeceissvsssseves 7 SPEC MICA TIONS E E 8 BUTTON FUNC TIONS oisinn a ara r a r 9 BASIC SISTE OFERA TION ecse E 10 BALTLERY BRIEEEAC EMEN Dorse 11 TIBOR Y OF OPERA TION ceini E E E 12 CALIBRA TION snein ENE aaa ENE NES 13 CONFIGURING SEND BU T TON ccccsssscsccesercesaseaccsccerenceussnaccaiescanseda
11. ay case for the SR7551 Wheelchair Scale is WARNING made of a powder coated aluminum casting Exercise caution when cleaning the display window as it is made DO NOT use pressurized water OF of clear polyester and can be scratched by abrasive Steam The scale system contains cleaners Mild soap and water is recommended for general cleaning and disinfecting microprocessor circuitry and strain gauge sensors that may be adversely affected by exposure to such an environment STORAGE and TRANSPORTATION STORAGE If storing this equipment for periods longer than three 3 months remove the batteries To maintain proper operation of this instrumentation storage and transport conditions should not vary outside the following conditions Relative Humidity 0 to 85 Ambient Temperature 14 F to 122 F 10 C to 50 C TRANSPORTATION To transport the SR7551 Wheelchair Scale lower the Height Bar if installed tip the scale back and wheel it to a new location Lower the platform back down to the floor being careful not to shock the scale SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 8 of 18 SPECIFICATIONS MAXIMUM WEIGHT CAPACITY 1000 lb or 454 kg PLATFORM SIZE 28 in x 28 in 71 cm x 71 cm HEIGHT G
12. e filtered output and then displays the result on the liquid crystal display The micro controller performs a moving median filter of data for continuous weigh and for AutoHold the micro controller performs checks for signal stability before locking in on the reading If the data variance is greater than 0 1 in the AutoHold mode the micro controller will reset the filter and start a new filtering period The micro controller can be placed in a calibration mode where the system can be re calibrated In the calibration mode the system slope is calculated from two points zero and full scale in the 2 point calibration mode or the slope and change in slope is calculated from three points zero half and full scale in the 3 point calibration mode SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 13 of 18 CALIBRATION NOTE Ensure that nothing is in contact with the scale system during this procedure Remove hands from the system when noting the displayed calibration results CHECKING CALIBRATION STEP 1 Select known calibrated weights traceable to NIST CALIBRATION NOTE DO NOT USE barbells or un calibrated weights TOLERANCE TABLE STEP 2 Zero the scale by pressing and holding ZERO WEIGH LOW APPLIED HIG
13. e system This action also resets previously g stored weight height and BMI values to zero Ensure that nothing is in contact with the weighing surface during this procedure Press to weigh Weight stable indicator flashes then remains solid when stable Auto stores stable weight in memory SEND PRINTER EHR e Press to send stored values to EHR or to printer Output values include time date weight Tsino height and BMI Also indicated on display when paper is out PAPER OUT and when door is open PAPER DOOR OPEN Press to recall the last stable weight Display will scroll thru WT HT and BMP stored values in approximately two second intervals Press to save height data and display BMI calculation Stable weight height and BMI values are stored in memory until next stable weight is stored or until system is zeroed 65 in or HT 165 cm is displayed If there is no stored stable weight the display will Press to calculate the BMI When the BMI is pressed the default starting value HT indicate NO WEIGHT DATA and then go back to the weigh screen WT 0 0 Lb Continued next page SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 10 o
14. ee if an error in ordering has been made and a different model exchanged e No fees will be charged if the scale is returned because of an error on the part of SR Instruments Inc e No returns accepted after 60 days SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 18 of 18 SR Scales By SRInstruments Inc Precision amp Technology in Perfect Balance SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc
15. f 18 BUTTON FUNCTIONS cont d MENU Press Menu to edit setup Setting the UNITS Use UP or DOWN arrow buttons to select Lb or Kg Press ENTER to save changes Setting ON TIME Use UP or DOWN arrow buttons to adjust the ON TIME The ON TIME may be set from 30 to 300 seconds in 30 second increments Press ENTER to save changes Setting TIME and DATE Use the UP arrow button to select digit To change digit use the DOWN arrow button Press ENTER to save changes NOTE When selected the year position defaults to 00 UP UP Press UP to adjust height up from the default to increase the scale s on time or to A selecta digit when setting time and date SELECT DOWN pown Press DOWN to adjust the height down from the default to decrease the scale s on W time or to change the value of a selected digit when setting time and date CHANGE BASIC SYSTEM OPERATION SETTING SYSTEM ZERO Make sure the scale 1s free and clear of any obstructions and press and hold the ZERO WEIGH button The displayed message will indicate HOLD TO ZERO and count 4J down to zero Make sure that nothing is in contact with the scale while zeroing the system In a few seconds the display will read WT 0 0 Lb or Kg This action also resets previously stored weight height and BMI values to zero CAUTION Do not leave patient unattended on the scale platform WEIGHING Position the patient o
16. fferent EMR EHR software available and the connectivity of the scale to the software requires the services of a professional A null modem cable is required to communicate with the scale Scale output when send button is configured to Electronic Health Records is as follows lt esc gt R lt esc gt Wnnn n lt esc gt Hmmm m lt esc gt Bkk k lt esc gt Uuu lt esc gt E Where R is read W is weight nnn n is the weight in Lb or kg H is height mmm m is the height in inches or cm B is BMI kk k is the BMI U is units lb or kg in or cm uu is LB or KG E is end of packet SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 16 of 18 TROUBLESHOOTING SYMPTOM REASON CORRECTIVE ACTION Press the WEIGH button or remove one battery The characters only appear on half of the Wajit five seconds then re install the battery and try display the WEIGH button again The display lights appear to work but do Check to ensure the membrane switch label is correctly not respond to button activation plugged into display board Check to ensure the calibration switch is not in the Calibration Mode Figure 8 The display shows no reading at all Check to ensure batteries are installed correctly see directions for
17. l other warranties expressed or implied and of all other obligations or liabilities on SR Instruments Inc s part and it neither assumes nor authorizes any other person to assume for SR Instruments Inc any other liabilities in connection with the sale of said articles In no event shall SR Instruments Inc be liable for any subsequent or special damages Any misuse improper installation or tampering shall void this warranty DAMAGED SHIPMENTS Title passes to purchaser upon delivery to Transportation Company Any claims for shortage or damage should be filed with the delivery carrier by purchaser RETURN POLICY All products being returned to SR Instruments Inc require a Return Goods Authorization number RGA To receive an RGA call our Technical Service Team at 716 693 5977 or toll free in the USA and Canada at 800 654 6360 When inquiry is made please supply model and serial numbers purchase order if the scale was bought on contract and reason for return Generally deleted damaged and outdated merchandise will not be accepted for credit A minimum restocking charge of 15 will be assessed on return of current merchandise All returns are to be shipped FREIGHT PREPAID to SR Instruments Inc 600 Young Street Tonawanda NY 14150 RESTOCKING FEE e 15 fee for any scale that has been opened and used e 10 fee for any scale returned that has been ordered incorrectly or refused delivery with no model change e 5 f
18. n the scale Lock the patient s wheelchair to prevent movement Press the ZERO WEIGH button The weight stable indicator flashes on the U display When the weight is stable the weight stable indicator remains solid The display will indicate the patient s weight in either pounds or kilograms example WT 123 5 Lb The stable weight is auto stored in memory NOTE If patient will be using a cane for support on the scale place the cane on the scale while zeroing the system This will ensure that the patient s NET weight will be displayed It is recommended that the system be zeroed prior to each new patient Continued next page SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 11 of 18 BASIC SYSTEM OPERATION cont d CALCULATING BMI Press to calculate BMI When the BMI button is pressed the default starting value is set either to 65 in or to 165 cm example HT 65 in Use the UP or DOWN arrows to adjust the default height to the value of the patient s height NOTE To calculate the BMI a patient s stable weight needs be stored as indicated in WEIGHING above if no stable weight has not been stored NO WEIGHT DATA will be displayed and the display will then go back to
19. save change Remove weight STEP 8 Place the FULL weight from Step 3 on platform Allow weight to stabilize Press UP arrow to save change Remove weight STEP 9 Press ENTER to save the calibration or WEIGH to exit without saving STEP 10 Switch the scale system out of the Calibration Mode on the display board Figure 8 STEP 11 Place the display panel into the display housing Align the display panel with the four holes in the display housing Secure display panel with the four 4 mounting screws SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 15 of 18 CONFIGURING SEND BUTTON STEP 1 Press the MENU button until DATA OUT PRINT is displayed STEP 2 Press UP or DOWN button to select between EHR and PRINT STEP 3 Press the ENTER button to save NOTE Orientation of printer output can be changed by pressing the MENU button until PRINT INVERTED or PRINT NORMAL is displayed Press UP or DOWN button to select between the two EHR OUTPUT Electronic Medical Records EMR Electronic Health Records EHR technology is supported by the i series scales from SR Instruments The EMR EHR software is not included with scale There are many di
20. snancicesvensedssneccacastarsesessencicanes 15 TROUBLESHOOTING oars sscsssce sects ees e EE A E i EERE EE 16 WARRANT oee a E a 17 TABLE OF FIGURES Ficure 1l Scale Assembly TAGE AIM sssssssirissseiseesersdssoisanineinn sneen anans ne ne n a aa 4 Figure 2 Display Cable Connector and Battery Compartment Cove ccccssscccccccseseeees 4 BIQUrE D gt Printer Mast Brackets sssrin eso na an EEEE NARE E S 5 PISUPE 4 Printer Mo n ne Bracket occcvsscsscctncssensscevaveubuscoeneevassucciniuncassccvaveuiosspenervassucensiusessnseeasens 5 BPISUEE S Boon DEMAY arrain E EE E E ET 9 Ficure 6 Battey Compartment vss cause issavccercactats siteaccacenstecs nen EEE viteccacerctess valavesereastinasstuaccoess 11 Fig re 7 Calibration Tolerance Fable sesccscrsesecaoscouace tessa seeesecssnnwensss os cauees tas arias eeeeesssneneuesacatauanaes 13 Figure S Calibration Switch Dig raM oscissssccesctscaccssscsaccscdeoacssnacsseesedsonecasasseacssddeacasascaseseedsosesaeaes 13 SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 3 of 18 PACKING CHECKLIST Model SR7551 DESCRIPTION QUANTITY Box 1 BASE ASSEMBLY lea MAST ASSEMBLY with DISPLAY lea DISPLAY UNIT WITH CABLE lea PACKAGE OF SIX 6 D CELL BATTERIES lea 3 8 16
21. ure 3 Printer Mast Bracket Figure 4 Printer Mounting Bracket SR Instruments Inc 600 Young Street Tonawanda NY 14150 Tel 716 693 5977 Fax 716 693 5854 URL www srscales com email sri srinstruments com Copyright 2015 SR Instruments Inc Model SR7551 Wheelchair Scale Operating and Service Manual Part No MAN7551_151029 Page 6 of 18 ASSEMBLY Cont d INSTALLING OPTIONAL HEIGHT BAR ASSEMBLY STEP 1 Remove the round plug from the top left of the Display Unit Insert the Height Bar Assembly into the hole in the Display Unit Ensure the Height Bar Assembly seats correctly in the Base Assembly Item 3 Figure 1 NOTE It may be necessary to loosen the four 4 3 8 16 flat head Mast Base Assembly mounting screws Item 4 Figure 1 to allow movement of the Mast for insertion of the Height Bar Assembly into the Base Assembly STEP 2 After Height Bar Assembly installation re tighten the four 4 3 8 16 flat head Mast Base Assembly mounting screws STEP 3 Tighten the two 2 Allen screws into the Display Unit to secure the Height Bar Assembly to the scale REPLACEMENT PARTS and ACCESSORIES Part SR8285 Height Bar Assembly optional SR8220 Printer Kit optional contains all printer parts listed below FRAPI300 FRAP13900BR 01 FRAPI300 D9 FRAP1300BP0I FRBC1300 FRTP130012C Paper Thermal Printer 58mm 10 Rolls MF8205 Printer Mast Bracket SR Instruments Inc 600 Young Street Tonawanda NY 14150
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