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ASSEMBLY INSTRUCTIONS

Before Assembly

NOTE:

Carefully inspect all cartons for shipping damage

before unpacking. If damage is found, contact your
shipper or Tanita Corporation immediately. Claims must
be filed with the shipper as soon as possible after receipt
of the damaged package.

One carton containing:

Folding platform

One parts box containing:

AC adaptor, four (4) 

threaded feet, two (2) sheets of adhesive labels, 
and two (2) elastic cords.

Another small box containing:

The electronic 

control panel box.

Tools Needed:

None

Assembling the Portable Wheelchair Scale

1. Place the platform on the floor, in the open position.

2. Slide the locking screw over the black tabs on the

handle. Tighten securely by hand. (Fig. 1)

3. Turn scale over and thread the four leveling feet into

the threaded holes on the underside of the platform.
Tighten by hand only. DO NOT use tools to tighten the
feet or damage to the scale will result. (Fig. 2)

4. Plug the transducer cable (63826) into the matching

jack on the control box. Hand tighten the threaded 
lock ring.

5. Plug the AC adapter into any grounded 110-120V AC

outlet. Plug the other end of the 3-pin adapter cable
into the matching jack on the control box. Hand tighten
the threaded lock ring.

NOTE:

DO NOT over-tighten the lock rings on the

connectors.

Leveling the Platform

To level or adjust the height of the scale platform,
carefully tilt the scale and turn the leveling feet either into
or out of the platform underside.

NOTE:

Adjust platform height so it does not touch floor 

or carpet. An incorrect weight reading will result if the
ramp touches the floor or carpet.

ZERO

POUND

S

KILOS

ON

OFF

Pound

s

Kilos

www

.tanit

a.co

m

Push

 “ON

” bu

tton

and w

ait u

ntil z

ero

appe

ars b

efore

step

ping

 on s

cale

WEIGH

T

ZERO

POUNDS

KILOS

ON

OFF

Pounds

Kilos

www.tan

ita.com

Push “

ON” bu

tton

and wa

it until 

zero

appears

 before

steppin

g on sca

le

WEIGHT

2

Fig. 1

Fig. 2

Locking Screw &

Carriage Bolt 

64012

Handle

Attach Leveling Feet 

63879

Rubber Mat

64013

Fig. 3

Summary of Contents for 4521

Page 1: ...gs 1 Assembly Instructions 2 Before Assembly Assembling the Portable Wheelchair Scale Leveling Platform Battery Charging 3 Charging the Battery Product Description 3 Control Panel Box Special Features Specifications Operating Instructions 4 As a Wheelchair Scale As a Chair Scale Care and Maintenance 5 Cleaning Calibration Troubleshooting Guide 6 Parts Lists 7 Warranty 9 OPERATOR S MANUAL ...

Page 2: ...rientation of new personnel Use only the appropriate connecting cable designed specifically for use with this monitor If the cabling provided with this unit becomes cracked or damaged it should be repaired or replaced immediately If the scale becomes damaged it should not be operated until properly serviced All repairs should only be performed by authorized Tanita Corporation service personnel Sca...

Page 3: ...ge to the scale will result Fig 2 4 Plug the transducer cable 63826 into the matching jack on the control box Hand tighten the threaded lock ring 5 Plug the AC adapter into any grounded 110 120V AC outlet Plug the other end of the 3 pin adapter cable into the matching jack on the control box Hand tighten the threaded lock ring NOTE DO NOT over tighten the lock rings on the connectors Leveling the ...

Page 4: ...eign object is placed on the platform before turning the scale on it will automatically zero out that object s weight 2 English Metric Readout You may switch between metric kilos and English pounds readouts before or after a reading and the scale will convert one reading to the other 3 Recalculate Weight If the first reading of a patient s weight is suspect a second reading can be taken without re...

Page 5: ... the patient onto the scale platform Then lock the wheels to prevent rolling during weighing 3 The moving dashes will lock in and display the weight measurement Measurement automatically defaults to pounds If kilograms are required depress the Kilos switch If a reweigh is required depress the Zero switch 4 Deduct the wheelchair weight from the displayed weight to obtain the patient s weight 5 Exce...

Page 6: ...SE if too heavy and COUNTERCLOCKWISE if too light Taking a Weight Measurement 1 Once the chair weight has been zeroed out and the display reads 0 have the patient sit on the chair 2 The moving dashes will lock in and display the patient s actual weight 3 Weight measurement should automatically be displayed on the control panel box console Measurement automatically defaults to pounds If kilograms a...

Page 7: ...ation or storage 8 Remember to keep the adapter with the scale 9 For additional convenience and protection of your portable wheelchair scale a scale storage bag is available from your Tanita representative KILO S ON OFF Pound s Kilos www tanita com Pus h ON butt on and wait unti l zero app ears befo re step ping on scal e WEIGH T POUN DS ZERO Fig 5 PROBLEM Incorrect patient weight readings Patient...

Page 8: ... LT4223 D5 OPTICAL DISCRETE RED LT4223 D6 RES NETWORK 47 RN1 TRANS PNP PWR 2N6728 Q1 TRANS PNP PWR 2N6728 Q2 TRANS PNP PWR 2N6728 Q3 TRANS PNP PWR 2N6728 Q4 TRANS PNP PWR TIP32 Q5 TRANS NPN GEN MPS3704 Q6 TRANS PNP PWR TIP32 Q7 TRANS PNP GEN MPS3702 Q8 TRANS NPN GEN MPS3704 Q9 TRANS NPN GEN MPS3704 Q10 TRANS NPN GEN MPS3704 Q11 TRANS NPN GEN MPS3704 Q12 TRANS NPN GEN MPS3704 Q13 TRANS NPN GEN MPS3...

Page 9: ... by the breach of an express or implied warranty or condition Except to the extent prohibited by applicable law any implied warranty of merchantability or fitness for a particular purpose is limited in duration to the duration of the above warranty Tanita disclaims all other warranties or conditions express or implied statutory or otherwise Some provinces or jurisdictions do not allow the exclusio...

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