SmartDrive User Manual Rev_MX1.0 UM-C.indd
Contents
1. SmartDriv MX1 Wheelchair Power Assist User s Manual max mobility llc ings boulevard ww max mobility com Rev MX1 0 UM C A s SmartDrive Users Manual max mobility Manufacturer Max Mobility LLC e Address 5425 Crossings Blvd S m ar tD r VE MX 1 Specification Sheet Nashville TN 37013 Wheelchair Power Assist USA Range 10 miles Maximum speed level surface 4 5 mph Maximum speed 69 incline 4 0 mph Motor power 250 W Motor voltage 24 V Operating temperature 25 C to 50 C Continuous theoretical driving range 11 7 W h km Maneuvering theoretical range 18 6 W h km Maximum thermal drive test range 60 minutes 1522 ft no failure Total weight 19 6 lbs NOTE The stated values are from testing with a 250 lb occupant The range speed etc vary depending on driving conditions Drive Unit Model SD1 0 Battery Unit Model SB1 0 Overall length 14 3in Battery type Lithium Ion Lithium Iron Phosphate Overall width 5510 Nominal operating voltage 24 V Overall height 9 5 in Electric charge 10 A h Weight 11 lbs Overall length 14 9 in Omni wheel diameter 7 6 in Overall width 6 7 in Omni wheel width 2 8 in Overall height 2 4 in Weight 8 3 lbs Wheelchair Compatibility Requirements Drive wheel diameter 22 24 25 or 26 in Minimum seat width 10 in Minimum seat depth 12 in Maximum seat depth 20 in Minimum under seat clearance 2 in Axle receiving tub2. Manual 11 PowerPush As mentioned in a previous section the SmartDrive is eguipped with a PowerPush function When activated a PowerPush provides a power assistance that is approximately 1 5 times that achieved by the performed push This type of assistance is especially useful when encountering a steep hill incline ramp etc where it might be difficult to reach a sufficient speed for regular Push Activation PowerPush is designed to be used in one of two situations Ihe first is when stationary most likely at the bottom of an incline with the power assist N once the button is pressed the unit will begin to produce a beep If the button is released during the beep between one half 0 5 and two 2 seconds from initial pressing the next push recognized will activate the power assist to drive at a speed 1 5 times that reached from the push This is called a PowerPush and only the next push after activation will be this way The PowerPush power assist is able to be deactivated same as typical push deactivation either by braking on the handrims and slowing down or by turn the power assist OFF by pressing and guickly releasing the button If the button is pressed and held hrough the beep longer than two 2 seconds the SmartDrive will begin to slowly ramp up the power assist speed as described in the Button Activation section see page 10 The second situation to use PowerPush is when the user is already travelling up an incline
3. Manual 3 Electromagnetic Interference EMI Electromagnetic Interference comes from radio wave sources Examples of these sources are radio 1V station transmit ters receivers transceivers send and receive signals cell phones walkie talkies etc There are many sources of EMI in one s daily environment some that are avoidable and some that one might not even realize Powered electronic devices such as the SmartDrive are susceptible to EMI both strong and weak from these types of transmitters as well as from electrostatic discharges ESD and conducted sources These interferences can cause unintentional activation of the SmartDrive motor or damage to its control system potentially causing a safety hazard and leading to costly repairs Every power wheelchair or power assist device can resist EMI up to a certain level also known as its immunity level The higher the immunity level the less the device is at risk of interference An immunity level of 20 V m is understood to provide sufficient protection from the sources encountered on a daily basis Ihe SmartDrive has been tested and found to be immune to this minimum immunity level of 20 V m Though equipped to be sufficiently protected against EMI any chair modifications or accessory additions can effect its im munity Parts from other suppliers have unknown EMI properties and their interaction with the SmartDrive is untested Electromagnetic energy becomes increasing more int
4. or hill If when moving up the slope the device senses a brake and rollback resistance is activated the user can activate a PowerPush by pulling back on the handrims of the wheelchair against the rollback resistance for one 1 second If done correctly the unit will produce one 1 loud beep to notify the user that the next push performed will be the PowerPush Again only the next push after activation will be a PowerPush and the user has only five 5 seconds from the brake sense rollback resistance engagement to activate this function Again deactivation of the power assist is able to be done same as a typical push either by braking on the handrims and slow ing down or by turn the power assist OFF by pressing and quickly releasing the button within one half 0 5 seconds A PowerPush is designed to only be used in situations where higher power assistance is needed as on steep hills in clines ramps etc It should only be used in these situations The acceleration of the SmartDrive could cause the wheelchair to tip over backwards causing injury It is recommended that the user lean slightly forward to prevent this tipping Serious care should be taken on all hills inclines ramps etc as to prevent accidental activation of PowerPush Operating Conditions The SmartDrive is designed for typical operating conditions encountered by a manual wheelchair user on a daily basis Max Mobility recommends restricting the use of this devi
5. s wheelchair caused by the attachment or operation of the SmartDrive Manufacturer s Contact Information Manufacturer Max Mobility LLC Address 5425 Crossings Blvd Antioch TN 37013 USA Phone 615 731 1860 Fax 888 411 9027 Website www max mobility com Email support max mobility com 5425 crossings boulevard nashville tn 37013 usa p 615 731 1860 f 888 411 9027 www max mobility com
6. Drive attached wheelchair are different for each user depending on function and ability N The specifications provided by one s wheelchair manu facturer may be slightly affected by the addition of the SmartDrive Do not use an escalator to move one s wheelchair between floors Serious bodily injury may occur Do not lean over the top of the back upholstery to reach objects from behind as this may cause the wheelchair to tip over The center of balance of a wheelchair may be affected by the attachment of a SmartDrive Continued on next page 2 max mobility 9 Do not shift your weight or sitting position toward the direction you are reaching as one s wheelchair may tip over backwards or sideways Do not tip or wheel your wheelchair without assistance unless you are highly skilled Using Anti Tippers substantially reduces your risk of falling over backwards which can cause serious injury If you are afraid of tipping over use Anti Tipppers Anti Tippers will keep you from falling over but they will limit your ability to be pulled up curbs and some other maneu vers Just as children learn to ride bikes without training wheels you may be able to learn to use your wheelchair with Anti tippers It is STRONGLY recommended that Anti Tippers be employed to the wheelchair until the user has become accustom to operating the SmartDrive in all possible environments situations and conditions Do not attempt to stop
7. a moving wheelchair with wheel locks Wheel locks are not brakes Do not stand on the frame of your wheelchair Your wheelchair is not designed for weight training and is unsafe from use as a seat while weight training Weight training from your wheelchair substantially changes the stability of your chair and may cause tipping Make sure the battery unit is charged before use Always turn the unit off when parked to prevent accidental activation The SmartDrive is not designed to be driven in heavy rain snow or on wet icy surfaces which may cause malfunc tion or damage Do not use in these conditions or on these surfaces Do not operate over rough terrain slick surfaces extreme slopes or loose ground This may cause injury or damage to your SmartDrive and void the warranty Use extreme caution when operating a SmartDrive at tached wheelchair in confined areas Consider powering off the unit to reduce the chance of damage or injury Use extreme caution when operating a SmartDrive attached wheelchair when near streets Consider powering off the unit to reduce the chance of ac cident or injury A As for driving up and down slopes please adhere to the instructions given by the diverse wheelchair manufacturers accordingly Riding over curbs or obstacles can cause tipping and seri ous bodily harm If you have any doubt that you can safely cross any curb or obstacle ALWAYS ask for help Be aware of your ri
8. ard lithium ion cells The red LED on the front of the battery unit is designed to light up when the charge level of the battery is below 30 When this light comes on look to recharge the battery unit as soon as possible Refer to the Instructions Manual provided with the charger for directions on re charging Avoid getting the battery unit wet for this can cause a short It is also recommended to always place the connector in the connector holder on the back of the battery unit whenever it is not plugged into the drive unit Long term storage of the battery more than 3 months reduces its capacity through spontaneous discharge Charge the bat tery to 5090 before you store it long term and avoid storing the unit where the temperature is too high or with high humidity N Always store and charge the battery in a cool dry area Hot and damp environments can damage or short the unit requiring a costly replacement Avoid dropping of the battery unit Never get the battery unit wet This can cause a short or permanently damage the battery unit Only use the provided charger to recharge the battery of the SmartDrive Other chargers may damage your unit or cause a fire WS Vi Do not throw away the battery unit Please properly dispose of the battery unit by recycling at the end of its life or send it back to Max Mobility Li ion EL SmartDrive User s Manual 13 5 Maintenance Cleaning Cleaning of the SmartDr
9. ce to indoor and light outdoor use All operating conditions set forth by one s wheelchair manufacturer should always be heeded in addition to the avoidance of the following Long carpet cy surfaces Slick or wet tile e Rough terrain Loose dirt or gravel Extreme slopes Standing water Heavy rain or snow The total weight of the SmartDrive assembly is 19 6 lbs This weight should be included in calculating the on board weight of the wheelchair The maximum allowable on board weight outlined by one s wheelchair manufacturer should never be exceed ed with the addition of the SmartDrive If any part of the SmartDrive is accidentally gotten wet the user should cease usage and allow 12 hours for it to air dry before attempting to use again The operating temperatures of the SmartDrive are 25 C and 50 C If any malfunctions or issues are experienced with the SmartDrive cease use of the device and contact Max Mobility for as sistance 12 max mobility O 4 Battery Although the battery on the SmartDrive is very small and compact it can store a large amount of power Faulty handling or storage can damage the eguipment and in some cases result in shocking burns or fire The battery unit houses the rechargeable Lithium Iron Phosphate batteries used to power the SmartDrive Ihe newest in Lithium Ion technology these batteries offer a significantly longer cycle life and faster charging rate than stand
10. ding skills and personal limitations Develop new skills only with the help of a companion When crossing major roads intersection railway crossings or highways as well as when you drive steep long slopes you should always have somebody accompany you in the interest of your safety Always use caution when transferring in or out of the wheelchair Every precaution should be taken to reduce the transfer distance and be certain the wheel locks are engaged to prevent the wheels from moving Also always power off and disattach the SmartDrive drive unit when transferring to and from your chair Always power off the drive unit and consider removing when transferring from the wheelchair The SmartDrive is not designed to drive up or down large curbs steps Only perform this maneuver when absolutely necessary and always ask for help Do not take a SmartDrive attached wheelchair on an escalator or motorized walkway Serious bodily injury may occur The SmartDrive is designed to be used with a seat cushion It is strongly recommended that a seat cushion be used on your wheelchair when using the SmartDrive Do not attempt to attach the SmartDrive to a wheelchair that does not meet the specifications outlined in Wheel chair Compatibility Reguirements in the Specification Sheet on Page I of this manual Any modifications to the SmartDrive will void the warranty and may create a safety hazard N O ll p XV SmartDrive User s
11. e diameter 1 1 4 1 3 8 1 1 2 or 2 in User weight 80 250 lbs The SmartDrive has been tested and conforms to all applicable requirements of ANSI RESNA Standards for Wheelchairs Volume 1 and Volume 2 A wheelchair s specifications provided by its manufacturer may be slightly affected by the addition of the SmartDrive ie Kai gt a r K q rA A L i E Rev MX1 0 SS A II max mobility Table of Contents Specification Sheet Table of Contents Introduction Intended Use of the SmartDrive Must Read Prior to Use Information Warnings and Safety Precautions Electromagnetic Interference EMI ListofComponents SmartDrive Set Up Adaptive Clamp Mounting Drive Unit Attachment and Removal Battery UnitClipping Operating the SmartDrive Power AssistON OFF Switching Between States Power Assist Mode Push Activation Button Activation Braking et PowerPush OperatingConditions Battery Maintenance Cleaning RollerReplacement Other Maintenance Warranty Manufacturer s Contact Information 12 13 13 13 13 13 1 Introduction Intended Use of the SmartDrive SmartDrive User s Manual 1 The Max Mobility SmartDrive Wheelchair Power Assist device is exclusively intended to provide pow
12. ense the closer to the source you become Therefore it is recommended that the SmartDrive not be operated in close vicinity to sources of radio waves There are three categories that EMI sources fall under 1 Long Range Transceivers These are sources of strong radio waves including commercial radio and TV broadcast antenna towers and amateur ham radios 2 Medium Range Mobile Transceivers Ihese are sources of potentially strong radio waves including two way radios used by emergency vehicles tractor trailers and taxis 3 Handheld Transceivers These are sources of relatively low strength waves but have the possibility of getting very close to your wheelchair including walkie talkies citizen band CB radios cell phones and other personal com munication devices The following are not likely to cause EMI problems Cordless phones MP3 CD players TV sets and AM FM radios If any unintentional activation of the SmartDrive occurs turn off the unit as soon as it is safe to do so and report the incident to Max Mobility please indicate any source of EMI that was in close proximity when the incident occurred USA Canada This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference including interference that may cause unde sired operation Any changes or modifications not expressl
13. er assist to manual wheelchairs empowering disabled persons including pediatrics capable of operating a powered and manual wheelchair by providing a means of enhanced mobility It is also exclusively intended to be used on manual wheelchairs that meet the Wheelchair Compatibility Reguirements outlined in the Specification Sheet on Page I of this manual Must Read Prior to Use Information Improper use of the SmartDrive or the wheelchair it is attached depending on surface weather and traffic conditions can present a potential of injury and cause damage to the wheelchair or SmartDrive Iherefore the SmartDrive must only be handled and used under the following prereguisites The user is both physically and mentally capable of operating the wheelchair and device in all possible conditions and situations e Proper instruction on its handling and operation has been received by reading and understanding this users manual in its entirety e No technical modifications have been made to the device Ihe user must take time to become accustom to the SmartDrive s response and performance by first practicing its operation in a safe area that is free from hazards One should become familiar with the push recogni tion braking response acceleration top speed etc of the device before venturing out with the device where poten tially hazardous situations may exist It is strongly recommended that the user not attempt to use the Smar
14. hat button hold activation will allow the motor to reach is 4 5 mph on a smooth level surface at a comfortably slow safe acceleration When the coast is deactivated by braking it will still be in a state of power assist ON so you will be able to perform a push or press and hold the button in order to re activate the motor for power assist As always guickly pressing and releasing the button will switch the state of the device in this case turning the device OFF described in the next section If any malfunctions or push detection braking push button issues are experienced with the SmartDrive cease use of the device and contact Max Mobility for assistance The acceleration of the SmartDrive could cause the wheelchair to tip over backwards causing injury It is recom mended that the user lean slightly forward to prevent this tipping Braking In addition to recognizing pushes the SmartDrive is also able to sense when one is braking When the user slows the wheel chair down with pinching of the handrims the drive unit senses the braking and deactivates the power assist If a push is performed after then the power assist will turn back on and drive the user Anytime that a brake is sensed by the device automatic rollback resistance lasting between one 1 and five 5 seconds will be provided to prevent the wheelchair and the user from rolling backwards especially helpful on hills and inclines The duration of the rollback resistance
15. ion is made 5 Lock the connector into the plug by rotating the connec tor outer sleeve clockwise Use extreme caution when attempting to plug or unplug the connector while seated in the wheelchair This presents a serious risk of tipping over and injury Never use the wheelchair as support when clipping removing the battery unit Always hold onto a solid structure i e railing car seat etc when placing the battery unit O ll p SmartDrive Users Manual 9 3 Operating the SmartDrive Power Assist ON OFF The user of a SmartDrive eguipped wheelchair is able to use the power assist whenever desired or turn the device off and operate their wheelchair as if the SmartDrive was not on their chair When a charged battery unit is plugged into the drive unit the SmartDrive is initially OFF This state is indicated to the user by the green LED on the front of the battery unit not being illuminated and two 2 loud beeps In this state no power assist will be able to be used by the wheelchair user Ihe user may push turn and brake as they desire with negligible friction or drag from the omni drive wheel The wheelchair is a fully functional manual wheelchair with no power assist Switching Between States When power assist is desired the user is able to switch the SmartDrive ON by pressing and quickly releasing the push button presented on the front of the battery unit Ihe SmartDrive defaults to OFF whenever the battery unit is in
16. is dependent on the severity of the incline that the SmartDrive attached wheelchair is encountering The steeper the incline the longer the rolling resistance will be activated Ihe longest that this resistance will be provided is five 5 seconds Whenever the rollback resistance is not activated the SmartDrive will roll backwards freely In addition to braking a user who chooses to stop the power assist at any time is able to do so by pressing and quickly releas ing the push button on the front of the battery unit switching the device OFF If the button is not released within one half 0 5 second of pressing the device will stay ON and Button Activation described on page 10 will occur If any malfunctions or push detection braking push button issues are experienced with the SmartDrive cease use of the device and contact Max Mobility for assistance Regular braking technigue should be practiced when using the SmartDrive In certain situations slightly harder braking may be reguired to turn off the power assist In addition to braking the push activated power assist can always be stopped by guickly pressing and releasing the push button The rollback resistance may not be able to prevent the slow rolling back on especially steep slopes and or very heavy wheelchair users Rollback resistance is not a parking brake Be sure the secure your wheelchair with brakes if stopping on a slope is desired EL eA SmartDrive User s
17. itially connected to the drive unit By pressing and releasing the button on the battery unit within two 2 seconds the SmartDrive will switch ON and be ready to provide assistive power An audio indication of one 1 loud beep is produced by the drive unit as an indication to the user that the device is now ON Also the green LED on the front of the battery unit will be illuminated when the SmartDrive is ON One can switch it back OFF by pressing and quickly within one half 0 5 second releasing the push button in which the state change is indicated by two 2 loud audio beeps from the drive unit and the green LED on the front of the battery unit will turn off If the button is pressed but held and not released within two 2 seconds in attempting to switch the device ON it will stay OFF and provide the typical indication of this state two 2 beeps and the green battery LED off Ihe button must be released within two 2 seconds of pressing to switch the power assist from OFF to ON Power Assist Mode The SmartDrive is eguipped with two ways of activating the power assist driving force to aid the user is most situations en countered on a daily basis The first way is by push activation and the second by using the push button ideal for special times when active driving power is needed such as climbing a long slope or powering through thick carpet Push Activation When the power assist is N the SmartDrive is able to recognize when y
18. ive can be done by wiping all of the parts down with a damp wash rag This should be done at least once a month or as needed Roller Replacement The omni drive wheel contains 16 rubber rollers that may wear down depending on driving conditions after extensive use These rollers are able to be replaced Contact your mobility eguipment dealer for information on replacing the rollers on your SmartDrive unit Other Maintenance Contact Max Mobility or your mobility eguipment dealer for any other maintenance or replacement that the device might need 6 Warranty Max Mobility offers a 2 year warranty against manufacturing defects Max Mobility s obligation under this warranty shall be limited to repairing or providing replacement of part s which are found to be defective Any part s of the system replaced by us at our discretion shall be with a functionally operative part A 1 year warranty against manufacturing defects is offered for the battery unit This warranty may be voided if 1 the product is not used according to instructions given in this instruction manual 2 defects were caused by improper use as determined by the company personnel 3 modification or alteration of any nature is made in the electrical circuitry or physical construction or 4 defects are due to cause beyond control like lightning abnormal voltage or while in transit at the purchaser s place of business Max Mobility is not responsible for any damage to one
19. lding the push button on the front of the battery unit While stationary and with the power assist N when the user presses and holds the button the device will begin to produce a beep If the button is continued to be held through the beep for at least two 2 seconds from when the button is initially pressed the omni drive wheel is slowly activated driving the wheelchair forward until the button is released Once the button is released the unit will continue to drive or coast at the speed that is reached when the button is released Ihe device will continue to drive at this speed unit a brake is sensed or the power assist is turned OFF both described in the next section If the button is released within one half 0 5 second of the initial button press and beep the power assist mode will switch to OFF But if the button is released during the beep between one half 0 5 and two 2 seconds from the initial button press the next push performed by the user will be a PowerPush see next section PowerPush for details Additionally anytime while already moving and with power assist ON the user may press and hold the button for at least one half 0 5 second to increase the coasting speed Again the unit will accelerate and set the coast speed to that which is achieved when the button is released Steering is still done by pinching on the handrims of the wheelchair the SmartDrive does not provide any brake assistance Ihe maximum speed t
20. ou have performed a push on the wheelchair In turn the device activates the omni drive wheel and an assistive drive power is provided propelling you at a speed egual to that which was attained by the push Ihe SmartDrive is able to recognize each individual s push so no alterations to one s propulsion technique is needed This is ideal for everyday use as it reduces the number of pushes that you have to perform The SmartDrive is designed to continue to assist the user until braking is sensed the device is turned OFF both described in section Braking or until another faster push is performed In this case the SmartDrive will speed up and begin to drive the user at this faster speed attained when the user pushed harder If any malfunctions or push detection braking push button issues are experienced with the SmartDrive cease use of the device and contact Max Mobility for assistance The SmartDrive is able to recognize all types of pushes Do not alter the way that you push for this could lead to injuries in the future In addition to braking the push activated power assist can always be stopped by guickly pressing and releasing the push button thus switching the power assist OFF Care should be taken when taking the SmartDrive down an incline Consider switching the device OFF when descend ing down a hill 10 max mobility a GYO O EB Button Activation The second way of activating the omni drive wheel is by pressing and ho
21. t from the clamp while still seated in the wheelchair This presents a serious risk of tipping over and injury EL C SmartDrive User s Manual 7 Battery Unit Clipping The Battery Unit is equipped with an oversized clip for attachment to the seat of the wheelchair The unit is made to latch onto and hang below the upholstered seat There is a connector holder in the back of the battery unit to aid in cord manage ment when handling the unit in addition to the handle to assist in carrying lifting 1 Pick up the battery unit using the handle presented on the top of the clip 2 Lower the battery unit towards the seat of the wheel chair Position the upholstery of the seat between the bottom surface of the clip and the top surface of the bat tery housing Slide the unit back until the front surface of the upholstered seat is making contact with the handle 3 Slide the battery back as far back as possible by pushing on the front of the unit Under seat clearance must be at least 2 in for the battery unit to sufficiently fit Any bulging of the wheelchair upholstery caused by the battery unit has the potential of causing pressure sores Cease use of the SmartDrive if this condition exists 8 max mobility 9 4 Finally take the connector out of the connector storage holder and plug into the top of the drive unit Ihe green LED on top of the drive unit will light up and the unit will beep two 2 times when proper connect
22. tDrive outdoors until it can be safely operated indoors without difficulty If any issues or malfunctions exist cease the use of the SmartDrive and contact Max Mobility for service further instruction Any contrary use to the directions of this user s manual to the recommendations of one s mobility equipment dealer or to the technical limitations defined by either Max Mobility and one s wheelchair manufacturer is considered to be misuse of the SmartDrive Max Mobility is not responsible for any injuries or damage caused by this type of misuse Warnings and Safety Precautions X All warnings and safety precautions issued by one s wheelchair manufacturer must be heeded in addition to those stated in this manual Failure to do so could result in serious injury or death Handling or use of the SmartDrive by anyone who has not received proper instruction from this manual may result in serious injury or death The SmartDrive is for single person use only Do not use or operate on a wheelchair that is being pushed by an atten dant One MUST familiarize themselves with the response and performance of the SmartDrive prior to regular use Do not attempt to use outdoors until it can be safely operated indoors without colliding into walls or any other objects The addition of the SmartDrive to one s wheelchair may cause it to feel different Take the time to become accustom to this new feeling Methods for safe use of a Smart
23. tightened as much as possible fixing it in this position and orientation Failure to do this could cause the wheelchair to not drive ride straight and or the clamp to move during use causing the Smart Drive to not function properly x i _ Adjustments made to the wheelchair set up could affect the orientation of the SmartDrive clamp Adjust the clamp whenever changes are made to the chair 6 max mobility mmm Drive Unit Attachment and Removal The SmartDrive drive unit is designed to easily attach to the adaptive clamp so the user can guickly attach remove whenever desired or necessary Use of the handle and the drop and lock interaction make attaching the SmartDrive simple for all users 1 To attach the drive unit to the wheelchair align the flats in the adaptive clamp with the receiving slots on the front underside of the unit body the drive unit will be angled slightly higher than horizontal Lower the receiving end of the drive unit over the extrusions of the clamp 2 Rotate the unit downward to pivotally attach the drive unit to the clamp and consequently the wheelchair 3 Under its own weight the omni wheel end of the drive unit rests on the ground between the rear wheels of the wheelchair Remove the unit by firmly grasping the handle and perform ing the steps in reverse order first rotating upwards then lifting the receiving slots off the adaptive clamp A Never attempt to remove the drive uni
24. y approved by the party responsible for compliance could void the users authority to operate the equipment List of Components refer to the next page for diagrams 1 Battery Unit 6 Rollers 11 Battery Unit Clip 2 Push Button 7 Drive Unit Handle 12 Battery Unit Handle 3 Adaptive Clamp 8 Drive Unit LED 13 Battery Unit Red LED 4 Drive Unit 9 Battery Unit Connector 14 Battery Unit Green LED 5 Omni Drive Wheel 10 Cord 15 Connector Holder Wee SmartDrive User s Manual 5 2 SmartDrive Set Up Adaptive Clamp Mounting The SmartDrive adaptive clamp is designed to permanently mount to the axle tube of a wheelchair while presenting a simple means of attaching removing the drive unit Remove the backing of the adhesive on both parts of the clamp and use a 3 16 allen wrench to significantly tighten all the four 4 screws to mount the clamp to the axle receiving tube The following posi tion and orientation are critical to the proper function of SmartDrive and must be heeded 1 The protrusions coming from the side of the clamp are to be positioned rearward with the extrusion flats perpen dicular to the ground when the chair with the user in it is resting on a level plane Ihe screws should be tightened as much as possible so to prevent rotation or translation of the clamp 2 The clamp must be positioned midway between the two rear wheels of the wheelchair on the axle receiving tube All four 4 screws should be
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