Everest™ Lite
Contents
1. Everest Lite Owner s Manual GF0600055RevA06 October 2006 3 Please note the following special statements used throughout this manual and their significance Note Special information set off from the text 4 Caution Damage to equipment is possible Z WARNING Personal injury could occur 4 GF0600055RevA06 October 2006 Everest Lite Owner s Manual Il IMPORTANT SAFETY PRECAUTIONS Important safety precautions Always follow these safety precautions when using your wheelchair Failure to do so could result in personal injury to you or others or damage to your wheelchair Safety requires the constant attention of the wheelchair user and the attendant It is ex tremely important to learn and always use safe methods of performing basic daily activi ties Always consult healthcare professionals to determine those methods most suitable for your individual abilities Protect yourself and your wheelchair by having your Everest Lite serviced regularly Whenever any part of your Everest Lite is not functioning properly contact your Gra ham Field Health Products dealer immediately as a hazardous situation could result causing personal injury or damage to your wheelchair ONLY EXCELLENT CONDITION IS ACCEPTABLE WHERE SAFETY IS CONCERNED Periodic inspection adjustment and replacement of worn parts will provide many years of superb performance EVEREST LITE LABELS Read all labels on your Everest Li2. E i Everest Lite Owner s Manual GF0600055RevA06 October 2006 19 SEAT Remove seat 1 Engage the drive wheels with the drive engagement levers and turn wheelchair power off 2 Disconnect the hand control connector from the cowl connector as shown at right 3 Pull the seat rotate lever while lifting the seat up and off the base to remove it as shown at right Install seat 1 Pull the seat rotate lever while placing the seat on the base frame Ensure that seat is securely installed before continuing 2 Connect the hand control connector to the connector Z WARNING Ensure that seat is securely installed before occupying or operating wheelchair Adjust seat height Tools needed M5 hex key M13 wrench 1 Remove seat follow steps 1 3 in preceding Re move seat section 2 Loosen knob to free seat post 3 Use M5 hex key and M13 wrench to remove nut and bolt that secure seat post 4 Move seat post to desired position Reinstall hardware Use M5 hex key and M13 adjust seat height wrench to tighten 6 Tighten knob to secure seat post Z WARNING Ensure that seat is securely installed before occupying or operating wheelchair SSS 20 GF0600055RevA06 October 2006 Everest Lite Owner s Manual Rotate seat for accessibility The Everest Lite seat can be rotated to access otherwise inaccessible places counters tables To rotate seat 1 Engage the drive wheels with
3. INTRODUCTION Important safety operating and maintenance instructions that warrant your attention are included in this owner s manual Read the entire manual carefully before operating your new wheelchair and refer to it as often as necessary to help maintain good per formance standards If you do not understand the warnings and instructions provided herein contact your healthcare professional Graham Field Health Products dealer or technical representative before proceeding with the use of this product otherwise per sonal injury or damage to your wheelchair could result Consult your healthcare professional and Graham Field Health Products dealer for assis tance in developing and learning safe and effective techniques for performing your daily activities according to your individual physical abilities and needs and to make certain that your wheelchair is properly prescribed and adjusted for your use All procedures involved should be practiced with an attendant until you are thoroughly familiar with them The safety precautions in this manual are general warnings intended to be used only as basic guidelines You may find it necessary to develop your own methods for safely solving frequently encountered challenges Again consult your professional healthcare advisors for their recommendations about safety methods and never hesitate to ask for their assistance Your new wheelchair should receive frequent regularly scheduled maintenan
4. Use only Everest amp Jennings replacement parts Contact your dealer to order re placement parts An Everest Lite parts catalog is available at www grahamfield com to assist in the ordering of parts 4 Caution A complete inspection of your wheelchair including maintenance ser vicing and safety checks should be handled by a Graham Field Health Products dealer at least once a year Z WARNING Unauthorized modification or the use of non Everest amp Jennings re placement parts could change the structure of the wheelchair void the warranty and create a hazardous condition which could result in serious personal injury ET eee es Everest Lite Owner s Manual GF0600055RevA06 October 2006 35 TROUBLESHOOTING CONTROLLER A general diagnostic guide is first followed by the battery indicator diagnostic guide Use the general diagnostic guide first if you are unable to solve your problem use the battery indicator diagnostic guide Z WARNING If problems or fault indicators persist do not attempt to operate the wheelchair Operation of the wheelchair could be unsafe Contact the dealer from whom you purchased the wheelchair If the dealer is unable to help you contact Everest amp Jennings Customer Service Department at the number on the back of this manual for a list of qualified Graham Field Health Products dealers in your area SYMPTOM BATTERY INDICATOR LIGHTS Wheel
5. down between your knees Do not shift your weight in the direc tion that you are reaching and or bending this could cause the wheel chair to tip Unauthorized modification or the use of non Everest amp Jennings re placement parts could change the structure of the wheelchair void the warranty and create a hazardous condition resulting in serious personal injury Do not lean on this wheelchair use it to support yourself except while sitting in it or use it as a walker these are practices which could re sult in loss of balance and personal injury Do not tow any loads or piggyback passengers or heavy packages Keep all cables away from the moving parts of the wheelchair Do not use your wheelchair on escalators As a safety feature this wheelchair is equipped with fail safe electro mechanical park brakes Any interruption in the power supply will cause these brakes to immediately engage and stop the wheelchair If the user is not properly positioned an unanticipated stop could pitch the user forward and out of the wheelchair Use the positioning strap at all times to prevent injury Z GF Health Products Inc specifically disclaims responsibility for any personal injury or property damage which may occur during any use which does not comply with federal state or local laws or ordinances ae ee es ee Everest Lite Owner s Manual GF0600055RevA06 October 2006 7 ELECTROMAGNET
6. motor cable right motor cable left motor right motor power circuit Boda ral cable 20A battery battery 7 7 cable cable battery charger connector must remove battery pack to access fuse 10A thermal overload N contact contact in base base battery battery pack control system cable connections Everest Lite Owner s Manual GF0600055RevA06 October 2006 31 Check controller amp park brakes Perform the following at least once a week It should be carried out on a level floor in a quiet area with at least one meter 40 inches of clear space around the wheelchair Turn wheelchair power on Check that after one second the power indicator lights re main on Push the joystick slowly forward until you hear the brakes release The wheel chair may start to move Immediately release the joystick you must be able to hear the park brakes operate within a few seconds Repeat the test three times pushing the joystick in reverse left and right respectively If there is a problem do not operate the wheelchair Contact your dealer There are no serviceable parts in the controller If you have problems with this component see Section IX TROUBLESHOOTING if you are un able to resolve them contact your Graham Field Health Products dealer Repairs of the electromechanical park brakes which keep your Everest Lite from rolling when stopped should only be performed by an Graham
7. tighten 9 Slide extension into bracket tighten knob when hand control is in desired position 10 If desired install cable tie to secure hand control cable to extension 11 Install plugs in other arm 12 Connect the hand control connector to the cowl connector Z WARNING Ensure that hand control ex tension is locked in place and that all cables are away from adjustment knob arm extension mount bracket screw the moving parts of the wheel adjust hand control extension chair before occupying or change sides turn bracket around operating wheelchair 18 GF0600055RevA06 October 2006 Everest Lite Owner s Manual Adjust arm space from seat frame width between ane Arm space from wheelchair is adjustable by changing the position of the lower arm tube in the seat tube Both arms are independently adjustable 1 4 5 Turn adjustment knob to free lower arm tube to move inside seat tube see picture at right Slide lower arm tube to desired position inside seat tube Turn knob to secure lower arm tube inside seat tube Ensure that knob is tightened enough to hold lower arm tube firmly in place adjustment knob adjust width between arms rear view of wheelchair Perform steps 1 3 for other arm Ensure that both arms are mounted at the same distance from seat frame Z WARNING Ensure that lower arm tubes are locked in place before occupying or operating wheelchair
8. tromechanical park brakes will engage to prevent the wheelchair from rolling drive engagement lever shown engaged gt 7 Attempting to overcome a stall condition engage the drive wheels could trip the circuit breaker located in the left rear cowl In the event of an over load the circuit breaker button will pop out To reset the circuit breaker push the button in Locking the control system to prevent unauthorized use of wheelchair The control system can be locked to prevent unauthorized users from operating the wheelchair Instructions follow to lock and unlock the control system Lock the control system 1 While wheelchair power is on depress and hold the ON OFF button 2 After one second the control system will beep Release the ON OFF button 3 Deflect the joystick forward until the control system beeps 4 Release the joystick there will be a long beep 5 The control system is now locked the wheelchair cannot be driven eee es ee eee ae ee a Everest Lite Owner s Manual GF0600055RevA06 October 2006 15 Unlock the control system 1 Depress the ON OFF button to switch wheelchair power on The maximum speed profile indicator will ripple up and down Deflect the joystick forward until the control system beeps Deflect the joystick in reverse until the control system beeps Release the joystick there will be a long beep oe The control system is
9. 1 IV GETTING STARTED The Everest Lite is designed to provide the highest degree of independence and mobility It offers superior maneuverability and exceptionally tight turning capability The theoret ical range of the Everest Lite is approximately 8 10 miles 12 16 km with a 165 pound 75 kg user at an ambient temperature of 48 F on a hard level surface with fully charged 12V 12AH sealed batteries at 3 5 mph Actual range will vary according to your weight the amount of start stop driving ambient temperature and the terrain on which you travel with your wheelchair As you become acquainted with your power wheelchair its range and performance capabilities will become apparent The Everest Lite is illustrated below Main features are identified Joystick Back Positioning Strap Adjustment Knob for Width Between Arms Front Rear Disconnect Lever Circuit Breaker Rear Cowl Anti Tipper Drive Wheel Motor Drive Engagement Lever Beneath Cowl Base Frame Controller POWER DRIVE SYSTEM The Everest Lite power drive system consists of two independent drive wheels a hand control controller independent direct drive right and left motors and two twelve volt batteries that provide power The motors operate in both the forward and reverse direction Motor speed and direc tion are controlled by the joystick The joystick commands are interpreted and applied to the motors by the controller
10. 12 GF0600055RevA06 October 2006 Everest Lite Owner s Manual CONTROLLER See the picture at right The controller is mounted below the seat The controller contains the con nectors to the rest of the wheelchair control sys tem The connectors used by the Everest Lite motor 1 labelled in the picture at right connectors not connector ia labelled in this picture are not used by this wheel motor 2 connector chair s control system nee Sleep mode When wheelchair power is on but the wheelchair remains undisturbed for 30 minutes VR2 controller VR2 is a trademark of the controller automatically shuts off When this PG Drives Technology Inc occurs switch power off then on HAND CONTROL See the picture at right The hand con trol is mounted at the front of either arm The hand control contains the joystick battery charger receptacle also used for the optional program mer mounting holes for the extension bracket and those features found on the control panel shown on the next page the ON OFF button battery indi cator maximum speed profile indicator horn button speed profile decrease VR2 hand control button and speed profile increase but ton Their descriptions follow control panel joystick Dies battery charger and programmer receptacle Joystick The joystick controls the speed and direction of wheelchair travel The further you move the joystick from the rest position t
11. Breet Eyerest Lite POWER WHEELCHAIR OWNER S MANUAL GF0600055RevA06 GF Health Products Inc October 2006 IMPORTANT READ THIS MANUAL BEFORE OPERATING YOUR WHEELCHAIR CONTENTS INTRODUCTION 3 IMPORTANT SAFETY PRECAUTIONS 5 HANDLING TIPS 10 IV GETTING STARTED 12 OPERATING INSTRUCTIONS 15 VI ADJUSTMENTS 17 BATTERIES 23 MAINTENANCE EASPA A 29 34 X TRANSPORTING THE EVEREST 39 Al LIMITED WARRANTY 41 INDEX i sstsscesicssesssensiensntsnndnnnnsteanscnanasseundeiannsnnnessvnsnastauaiensinsntanandeseusainananansussisenecdenanenstinn 43 2 GF0600055RevA06 October 2006 Everest Lite Owner s Manual READ THIS MANUAL BEFORE OPERATING YOUR WHEELCHAIR
12. Field Health Products dealer Clean frame Needed soft cloth mild soap and water solution Wipe off base and seat frame frequently at least once a week using a soft cloth Dry the wheelchair immediately if exposed to moisture Clean frame every three months with a mild soap and water solution The frame does not need to be waxed Do not use sol vents abrasive waxes caustic chemicals or spray silicone Never use abrasive cleansers they could scratch the finish Never use steam or high pressure cleaners Check amp clean upholstery Needed soft cloth mild soap and water solution Check back and seat upholstery material at least once a month Inspect for rips tears sagging and worn spots Clean back and seat upholstery material at least once a month with a soft cloth anda mild soap and water solution Check arms Check arms at least once a month Inspect for sharp edges or cracks which could weak en the armrest Ensure that all attaching hardware is present and tight Check footboard Check footboard at least once a month Inspect the mounting hardware to confirm that all fasteners are secure so that footboard will not accidentally slip Check for cracks burrs or sharp edges Check caster forks Check the caster stems forks for proper rotation at least every three months The caster forks must swivel freely to facilitate steering and handling Adjusting the stem nut varies the amount of force required to turn the caster If t
13. IC INTERFERENCE EMI FROM RADIO WAVE SOURCES It is very important that you read this information regarding the possible effects of elec tromagnetic interference on your Everest amp Jennings Everest Lite power wheelchair Powered wheelchairs may be susceptible to electromagnetic interference EMI which is interfering electromagnetic EM energy emitted from sources such as radio stations TV stations amateur radio HAM transmitters two way radios and cellular telephones The interference from radio wave sources can cause the powered wheelchair to release its brakes move by itself or move in unintended directions It can also permanently damage the powered wheelchair s control system The intensity of the interfering EM energy can be measured in volts per meter V m Each powered wheelchair can resist EMI up to a certain intensity This is called its immunity level The higher the immunity level the greater the protection At this time current technology is capable of achieving at least a 20 V m immunity level which would provide useful protection from the more common sources of radiated EMI This powered wheelchair model has an immunity level of 20 V m Be aware that using different components adding accessories or modifying the powered wheelchair may change the immunity level There are a number of sources of relatively intense electromagnetic fields in the every day environment Some of these sources are obvious and ea
14. age or damages beyond GF Health Products Inc s control are not cov Everest Lite Owner s Manual GF0600055RevA06 October 2006 41 ered by this warranty and that evaluation shall be solely determined by GF Health Prod ucts Inc This warranty shall not apply to problems arising from normal wear and tear or failure to follow instructions The warranty shall also not apply to products modified without GF Health Products Inc s express written consent nor shall it apply if parts not manufactured by GF Health Products Inc or if parts not complying with original equip ment specifications are added to GF Health Products Inc products or if the product or part is serviced by an entity not authorized by GF Health Products Inc THE FOREGOING WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS WARRANTIES AND IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND SHALL NOT EXTEND BEYOND THE DURATION OF THE EXPRESS WARRANTY PROVIDED HEREIN AND THE REMEDY FOR VIOLATIONS OF ANY IMPLIED WARRANTY SHALL BE LIMITED TO THE REPAIR REPLACEMENT CREDIT AND OR REFUND OF THE DEFECTIVE PRODUCT OR PART PURSUANT TO THE TERMS CONTAINED HEREIN GF HEALTH PRODUCTS INC SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL OR INCIDENTAL DAMAGES WHATSOEVER This warranty gives you specific legal rights and you may also
15. bleshooting general 35 U Upholstery check amp clean 32 Warning significance 4 Warnings 5 Warranty limited 41 Everest Lite Owner s Manual GF0600055RevA06 October 2006 43 Everest amp Jennings A Graham Field Brand U S A Corporate Headquarters Graham Field Health Products 2935 Northeast Parkway Atlanta Georgia 30360 telephone 800 347 5678 770 447 1609 fax 800 726 0601 678 291 3232 www grahamfield com Everest amp Jennings and Graham Field are registered trademarks and Everest is a trademark of GF Health Products Inc
16. ce includ ing an inspection of the mechanical parts to ensure proper operation Some suggested inspection procedures troubleshooting procedures and adjustment procedures are included in this manual When it comes to service and repair remember that your Gra ham Field Health Products dealer knows your wheelchair best All information and specifications in this manual are current at the time of printing How ever because it is Graham Field Health Products policy to continually improve the qual ity and reliability of all our products we must reserve the right to make changes at any time without notice Thank you for choosing an Everest amp Jennings product We at Graham Field Health Products wish to assure you of our continuing commitment to provide innovation and quality in our products The Everest Lite can be dismantled easily for transport Its maximum speed is 3 5 mph The Everest Lite is intended for indoor and or outdoor use and is ideal for tight spaces and over firm surfaces Its maximum weight capacity is 250 pounds 114 kg The person performing adjustments on the Everest Lite has the responsibility of making certain that the user can safely operate the wheelchair with the adjustments selected This person must evaluate the user s ability weight physical condition the environment in which the wheelchair will be used and the terrain over which the wheelchair will travel
17. chair Off won t drive Rapid flash even with joystick released Wheelchair On steady drives Slow flash Wheelchair On drives but movement is sluggish GENERAL DIAGNOSTIC GUIDE POSSIBLE CAUSE System off Batteries not connected Batteries not connected properly or polarity reversed Circuit breaker open Batteries severely discharged Control system fault All is well Low batteries Speed control or nonhazardous fault Speed and response have been programmed slow CORRECTIVE ACTION Turn ON OFF button switch ON Connect batteries Correct Connections Reset circuit breaker Recharge replace batteries The Controller safety circuits have operated and the Controller has been prevented from moving the wheelchair This indicates that there is a fault Please follow this procedure 1 Switch off the control system Ensure that all Controller and wheelchair connectors are securely mated 3 Check battery condition 4 If you can t find the problem try using the following Battery indicator diagnostic guide 5 Turn the Controller on again and try to drive the wheelchair If the fault lights flash again do not try to use the wheelchair see your dealer None Controller is functioning correctly but you should charge the batteries as soon as possible If the wheelchair does not travel at full speed or does not respond quickly enough and battery condition is good check speed control
18. cts from the floor if you must reach down between your knees Do not shift your weight in the direc tion that you are reaching and or bending this could cause the wheel chair to tip 1 Maneuver the wheelchair as close as possible to the object you wish to reach 2 Reach only as far as your arm will extend without changing your sitting position If in doubt reposition the wheelchair or ask for assistance SS ee 10 GF0600055RevA06 October 2006 Everest Lite Owner s Manual Backward 1 Maneuver the wheelchair as close as possible to the object the casters will limit how close you can get 2 Reach only as far as your arm will extend without changing your sitting position If in doubt reposition the wheelchair or ask for assistance RAMPS AND INCLINES Z WARNING During descent ensure that the lowest point on the footboard clears the ground safely Z WARNING Do not attempt any incline or decline of more than 6 degrees 10 grade or one foot of rise or fall per ten feet of ramp length Z WARNING Avoid changing direction while descending a ramp or incline as this could cause instability Most people are capable of negotiating short inclines without assistance depending upon upper body strength endurance and the degree of incline Know your own capa bilities and limitations in terms of strength and endurance before attempting to nego tiate an incline or decline Practice with an attendant or h
19. d and backward along arm see picture at right 1 Loosen hand control extension adjustment knob 2 Slide extension to preferred position 3 Tighten knob when hand control is in de sired position A WARNING Ensure that hand control exten sion is locked in place before adjustment knob extension occupying or operating wheel adjust hand control extension chair backward and forward SE ee ee ae eT Everest Lite Owner s Manual GF0600055RevA06 October 2006 17 Adjust hand control extension change sides Tools needed M5 hex key cable ties The hand control can be placed on either the right or left arm 1 Remove cable ties that secure hand control cable to extension if any arm 2 Disconnect the hand control connector from the cowl connector 3 Loosen hand control extension adjustment knob 4 Slide extension out from extension mount bracket and remove it from arm 5 Use 5 hex key to remove screws that se cure extension mount bracket to underside of arm 6 Remove plugs on underside of other arm extension hand control extension mount bracket adjustment knob 7 Install extension mount bracket on under cable tie side of other arm turn bracket around adjust hand control extension so that knob faces outward see picture at change sides lower right extension 8 Install screws that secure extension mount bracket to underside of arm Use M5 hex key to
20. e Owner s Manual Vill MAINTENANCE Protect your Everest Lite by having it serviced regularly Proper care and maintenance are essential to keep your wheelchair in safe working condition Periodic inspection adjustment and replacement of worn parts will provide many years of superb perfor mance When you believe that a component or part of your Everest Lite is not function ing properly contact your Graham Field Health Products dealer immediately as a po tentially hazardous condition could result Only excellent condition is acceptable where safety is concerned Service manual There is no service manual for the Everest Lite Please contact your Graham Field Health Products dealer with service questions not answered by this manual Note Graham Field Health Products recommends that you have a qualified dealer perform a six month maintenance check as the dealer may find and correct a problem which might otherwise go undetected and eventually cause more serious problems and or personal injury Do it yourself maintenance You can do many of the scheduled maintenance tasks yourself if you have mechanical ability and a few basic tools Refer to the maintenance schedule below for the recom mended regularity of each procedure If any maintenance procedure is not clear to you ask your Graham Field Health Products dealer for assistance MAINTENANCE SCHEDULE Procedure Perform at least every 2 weeks 3 months 6 months Charge batter
21. ealthcare professional first before attempting any inclines declines curbs or ramps Always inspect the ramp for hazards such as holes slippery or uneven surfaces etc before starting up or down If you can not see the entire ramp ask someone to inspect it for you Ascent Lean the upper part of your body slightly forward as you ascend the incline If it be comes necessary to stop on the incline avoid any abrupt or sudden forward movement as you resume climbing this could cause tipping Descent Always face forward when going down but do not lean forward this could cause tipping Lean slightly backward to increase stability It is critical to keep the wheelchair under control at all times Descent should be made slowly and steadily allowing the wheelchair s control system to maintain a safe speed Upon stopping electromechanical park brakes will engage to prevent the wheelchair from rolling CURBS AND STEPS Curbs steps and stairways are dangerous obstacles that confront the wheelchair user When you encounter curbs find a way around or use the ramps now available in most locations If you encounter steps and there is no ramp available avoid the steps by uti lizing the disabled designated elevators now required in most locations Z WARNING Never attempt to negotiate steps stairs or escalators in your Everest Lite ee Se ae ee Everest Lite Owner s Manual GF0600055RevA06 October 2006 1
22. ery char ger receptacle Z WARNING To avoid damage to any of the battery charger connectors and their cords disconnect by grasping the plug body and pulling it straight out of the outlet or receptacle DO NOT pull on the cord DO NOT twist rock or pull the connector sideways Charging the batteries Note Before charging the batteries read the rest of this manual especially the Battery Charger section Note As a safety feature the wheelchair is inoperable during charging 1 6 Ensure that wheelchair power is OFF and battery charger AC connector is not plugged into power outlet Connect battery charger output connector to receptacle on bottom of hand control North America Plug the battery charger AC connector into a properly grounded 115 volt 60 cycle single phase power outlet The charge indicator LED illuminates orange while batteries are charging then illumi nates green when they are fully charged Allow adequate time to bring the batteries up to a full charge the actual time required to recharge the batteries will depend on discharge condition The charger supplied with the wheelchair is automatic and will not damage the batteries if left connected after batteries are fully charged When charge indicator LED illuminates green indicating that batteries are fully charged disconnect the battery charger AC connector from the power outlet Remove battery charger output connector from hand control receptac
23. forming such activities do so as instructed in the following paragraphs to avoid tipping the wheelchair TRANSFER ACTIVITIES Z WARNING Always ensure that wheelchair is on a stable level surface engage the drive engagement levers and turn wheelchair power off before transfer Z WARNING Do not step on the footboard during transfer this could cause the wheelchair to tip Fold the footboard up during transfer There is a criti cal moment when there is little or no seat platform beneath you Take every precaution to reduce this unsupported distance before you at tempt transfer Transferring to or from a wheelchair is a very difficult maneuver Exercise extreme care when transferring without the aid of either an attendant or a patient lift Consult health care professionals for assistance in developing your individual technique Make sure that the wheelchair is stabilized and will not move or slide during the transfer Take extra precaution to prevent tipping Use good body mechanics to prevent personal injury REACHING BENDING Although it is not recommended you may find it occasionally necessary to lean or reach from your wheelchair Consult with healthcare professionals for assistance in developing your personal safe reaching or moving techniques suited to your ability and restrictions Forward or sideward Z WARNING Do not attempt to reach objects if you are required to move forward in the seat Do not attempt to retrieve obje
24. hair Charge batteries Charge the batteries daily See Section VII BATTERIES Charging the batteries Check joystick Check the hand control joystick daily Turn wheelchair power off Check that the joystick is not bent or damaged and that it returns to center when you release it If there is a problem do not operate the wheelchair Contact your dealer Check the rubber boot around the base of the joystick for damage or splitting A visual check is sufficient do not handle the boot If there is a problem contact your dealer There are no serviceable parts in the hand control If you have problems with this com ponent see Section IX TROUBLESHOOTING if you are unable to resolve them contact your Graham Field Health Products dealer Check tires Examine tires at least once a week for surface wear and cracks and replace them as needed Tires should be replaced when they become loose on the rims or cracks appear Check anti tippers Check the anti tippers at least once a week Ensure that all parts of the anti tippers are securely fastened 30 GF0600055RevA06 October 2006 Everest Lite Owner s Manual Check cables and connections Inspect all control system plug connectors visually at least once a week to be sure that they are securely fastened See the illustration below for orientation front of wheelchair hand control battery charger programmer connector underside cowl connector controller left
25. have other legal rights which vary from state to state province to province Some states provinces do not allow the exclusion or limitation of incidental or consequential damage or limitation on how long an implied warranty lasts so the above exclusion and limitations may not apply to you For warranty service please contact the authorized dealer from whom you acquired your GF Health Products Inc product In the event you do not receive satisfactory warranty service please contact GF Health Products Inc at the address on the back cover Do not return products to our factory without prior authorization This warranty contains the entire agreement between the parties and supersedes any prior contrary or additional representations or understandings whether oral or written concerning our warranty policy SEY Se 42 GF0600055RevA06 October 2006 Everest Lite Owner s Manual A Adjustments 17 Anti tippers check 30 Arm adjustments 17 Arms check 32 Arm space from seat frame width between arms adjust 19 B Balance 10 Batteries 23 Batteries charging 25 Batteries clean 28 Batteries install 27 Batteries remove 26 Battery charger 24 Battery charger status display 37 Battery life extending guidelines 23 Battery maintenance regular 28 Battery range 12 Battery terminals clean 28 Bearings check 33 Cable connections control system orientation 31 Cables and connections check 31 Caster for
26. he faster your wheelchair will move When the joystick is returned to the neutral center position or released the control system will bring the wheelchair to a smooth stop Upon stopping electromechanical park brakes will engage to prevent the wheelchair from rolling Moving the joystick forward away from the user causes the wheelchair to move for ward Moving the joystick back toward the user causes the wheelchair to travel in re verse When the joystick is moved right to 3 o clock position the wheelchair will turn to the right when the joystick is moved left to 9 o clock position the wheelchair will turn to the left Battery charger receptacle and receptacle for optional programmer The receptacle for the battery charger and optional programmer is located on the un derside of the hand control as shown above Use only the battery charger supplied with the wheelchair Controller cable The hand control s controller cable plugs into the controller connector on the rear cowl aaa a a a Everest Lite Owner s Manual GF0600055RevA06 October 2006 13 Hand control panel features see picture below right ON OFF button The ON OFF button switches wheelchair ON OFF button __ battery indicator power on and off When wheelchair power madm m spee OD horn button is on the battery indicator illuminates profile indicator pond AA Battery indicator 0 7 speed profile dicato decrease button Ld i
27. he nut is too loose the caster will flut ter or shimmy if the nut is too tight the wheelchair will be difficult to steer If the caster requires adjustment or the caster stem bearing requires replacement visit a qualified Graham Field Health Products dealer Ensure that stems are firmly attached to forks and that forks and stems are not bent Evaluate all threads locking nuts and bearings a 32 GF0600055RevA06 October 2006 Everest Lite Owner s Manual Clean Batteries Perform this at least every three months See Section VII BATTERIES REGULAR BAT TERY MAINTENANCE Clean batteries for this procedure Clean battery terminals Clean battery terminals at least every six months See Section VII BATTERIES REGULAR BATTERY MAINTENANCE Clean battery terminals for this procedure Inspect motor brushes The motor brushes should be inspected for wear every six months and replaced as needed This should be performed by a Graham Field Health Products dealer 4 Caution Badly worn brushes can result in damage to the motors or controller 4 Caution After replacing the brushes run the wheelchair gently for the first few miles to allow the brushes to seat properly Check bearings The Everest Lite has bearings only in the caster wheels not in the drive wheels Always be alert for unusual noises in the bearings or excessive caster wobble These signs indicate that the bearings are becoming worn and may require replacement The caster bear
28. ibes the battery charger included with your Everest Lite Charge the batteries fully before operating your wheelchair For installation and charging information refer to Section VII BATTERIES CIRCUIT BREAKER Your Everest Lite is equipped with a circuit breaker to pro tect the electrical circuits from overload It is located in the left rear cowl as shown at right In the event of an overload the circuit breaker button will pop out To reset the circuit breaker push the button in 14 GF0600055RevA06 October 2006 Everest Lite Owner s Manual V OPERATING INSTRUCTIONS Read and understand all safety precautions before operating your wheelchair 1 Charge the batteries fully before use For battery installation and charging informa tion refer to Section VII BATTERIES 2 Engage the drive wheels by pulling the drive engagement levers up on both right and left motors see picture at right 3 With the joystick in neutral turn the hand control ON OFF button ON 4 Adjust to a low speed or drive profile if drive profiles have been programmed drive engagement lever 5 Move the joystick gently in the direction ____ _ shown disengaged in which you wish to travel If you desire a higher speed adjust the speed profile increase button 6 To stop the wheelchair release the joy stick to the neutral center position The control system will bring the wheelchair to a smooth stop Upon stopping elec
29. ies Check joystick Check cables amp connections Check tire wear Check controller amp park brakes Check anti tippers Wipe off base and seat frame Check arms Check footboard Check amp clean upholstery Clean base and seat frame Clean batteries Check caster forks Clean battery terminals Inspect motor brushes Check bearings Everest Lite Owner s Manual GF0600055RevA06 October 2006 29 4 Caution Improper maintenance can cause operating problems and may affect your warranty Z WARNING Unauthorized modification or the use of non Everest amp Jennings re placement parts could change the structure of the wheelchair void the warranty and create a hazardous condition resulting in serious personal injury List of tools and supplies The tools and cleaning supplies listed will assist in the procedures outlined in Section Soft cloth Mild soap and water solution General care Always evaluate the overall operation of your wheelchair It should function with ease and should travel straight without excessive drag or pull to one side Remember your qualified Graham Field Health Products dealer knows your wheelchair best when it comes to service and repairs Contact your dealer with any questions or concerns regarding the safe operation and maintenance of your wheelchair Regular maintenance is important for your safety and continued operation of your wheelc
30. ing to the wheels This could cause tip ping and could result in personal injury or damage to the wheelchair Ensure that the lowest point on the footboard clears the ground safely during ascent or descent Do not enter or exit the wheelchair without first turning wheelchair power off and ensuring that the drive engagement levers are engaged to prevent wheelchair movement Disengaging the drive engagement levers will also disengage the elec tromechanical park brakes and allow the wheelchair to roll Ensure that no water moisture or other liquid enters the controller or hand control The controller should be adjusted only by a qualified therapist or tech nician This person must evaluate the user s ability weight physical condition the environment in which the wheelchair will be used and the terrain over which the wheelchair will travel The controller s range of adjustment and versatility is provided so that the requirements of many different abilities may be met and the person setting the driving char acteristics has the responsibility of making certain that the user can safely operate the wheelchair at the speed and rates selected When adjusting with the programmer start with a slow low number drive profile Increase only if the user has the ability to control the wheelchair safely When adjusting with the programmer use caution when changing the pa rameters to a setting different than that provided by the standard dri
31. ings should be inspected every six months and replaced as needed This should be performed by a Graham Field Health Products dealer a eee ee Everest Lite Owner s Manual GF0600055RevA06 October 2006 33 IX TROUBLESHOOTING SERIAL NUMBER LOCATIONS Several components of your power wheelchair have been assigned serial numbers at the factory There may be times when you will need to provide a serial number for example if you order replacement parts The following pictures are provided to help you find the serial number labels Base frame The base frame serial number label is located on the right frame at the front top of the drive wheel as shown serial number plate serial number base Hand control The hand control serial number label is lo cated on the underside of the hand control as shown at right You must remove the hand control from its mounting bracket to see this serial number label Please note that the hand control has an additional serial number label on the side which is not intended to be per manent you may remove it label serial number hand control SSE 34 GF0600055RevA06 October 2006 Everest Lite Owner s Manual GENERAL TROUBLESHOOTING Continual use of your Everest Lite necessitates maintenance especially if the factory set adjustments have been altered If you are unsure of the solution or unable to diagnose the problem do not hesitate to ask y
32. ion including SAFETY CHARGING THE BATTERIES before charging your batteries Z WARNING Do not use battery chargers not supplied by Graham Field Health Prod ucts Battery chargers not supplied by Graham Field could damage the controller and the battery charger Electrical arcing could result which could cause severe personal injury explosion and fire BATTERY CHARGER FEATURES Output cable and connector The output connector plugs into the battery charger receptacle on the underside of the hand control or the rear of the battery pack if battery pack is removed from wheel chair to charge the batteries AC connector The AC connector plugs into the power outlet to charge the batteries Charge indicator LED orange or green The charge indicator LED illuminates orange while batteries are charging then illumi nates green when they are fully charged SAFETY CHARGING THE BATTERIES Z WARNING Do not use a household extension cord if the charger plug does not reach the 115 volt outlet Use of an improper extension cord could result in fire and electric shock If an extension cord must be used use a three conductor No 16 AWG or heavier cord with ground properly wired in good electrical condition and keep it as short as possible Z WARNING Do not use cords that are damaged or defective Use of a damaged or defective cord could result in fire or electric shock Z WARNING Locate all battery charger cords so that they
33. it active The battery charger is preventing the controller from driving the wheelchair Disconnect charger from wheelchair 6 lights flashing rapidly Possible A joystick fault is indicated Ensure that joystick is in neutral before joystick fault turning ON OFF switch on 7 lights flashing rapidly 029900 eke 9 ee Possible A controller fault is indicated Ensure that all Controller connections controller are secure If problem persists see dealer 8 lights flashing rapidly fault e000 Possible The park brakes have a bad connection Check the park brake amp park brake motor connections Ensure that controller connections are secure 9 lights flashing rapidly fault If problem persists call dealer Excessive This is usually caused by a poor battery connection Check the voltage controller and battery connections 10 lights flashing rapidly eer Communication A communication fault is indicated Ensure that hand control cable is fault securely connected and not damaged 7 lights S flashing rapidly SSS_ Se 38 GF0600055RevA06 October 2006 Everest Lite Owner s Manual X TRANSPORTING THE EVEREST LITE Z WARNING This wheelchair does not offer seating or occupant restraint equivalent to the seat provided in a motor vehicle To increase your safety while traveling in a motor vehicle always transfer to the vehicle seat and use the rest
34. ks check 32 Caution significance 4 Circuit breaker location 14 Controller 13 Controller check 32 Controller diagnostic guide general 36 Control system lock and unlock to prevent wheel chair from being driven 15 Curbs and steps 11 E Electromagnetic interference 8 EMI warnings 9 F Footboard adjust angle 22 Footboard adjust height 22 Footboard adjustments 22 Footboard check 32 Footboard flip up 22 Frame clean 32 G General care maintenance 30 Getting started 12 H Hand control 13 Hand control extension adjust change sides 18 Hand control extension adjust backward and forward 17 Handling tips 10 Introduction 3 INDEX J Joystick check 30 L Limited warranty 41 M Maintenance 29 Maintenance schedule 29 Maximum weight capacity 3 Motor brushes inspect 33 N Note significance 4 Operating instructions 15 Park brakes check 32 Power drive system 12 R Ramps and Inclines 11 Reaching bending 10 Reassembly of Everest Lite after transport 40 Safety charging the batteries 24 Safety precautions 5 Seat adjustments 20 Seat install 20 Seat remove 20 Seat rotate for accessibility 21 Seat height adjust 20 Serial number location 34 Sleep mode controller 13 T Tires check 30 Tools adjustment list 17 Tools maintenance list 30 Transfer activities 10 Transporting the Everest Lite 39 Troubleshooting 34 Troubleshooting controller 36 Trou
35. le Note If you experience a problem with your battery charger please see Troubleshooting battery charger in the TROUBLESHOOTING section Se ae ees i Everest Lite Owner s Manual GF0600055RevA06 October 2006 25 REMOVE AND INSTALL BATTERIES A WARNING Batteries supply a large amount of current Do not wear jewelry or watches when working on batteries Take care not to connect the termi nals accidentally with anything metal severe burns could result Remove batteries Tools needed Phillips screwdriver You will first remove the seat and then the battery pack Z WARNING Ensure that wheelchair power is off before removing batteries 1 Engage the drive wheels with the drive engagement levers and turn wheelchair power off 2 Disconnect the hand control connector from the cowl connector as shown at right 3 Pull the seat rotation lever while lifting the seat up and off the base to remove it as shown at right 4 Remove the battery pack as shown at right and turn it upside down with handle strap on bottom 5 Usea Phillips screwdriver to open the battery pack as shown at right 6 Disconnect the cables from the four battery terminals as shown at right 7 Remove the batteries from the battery pack 26 GF0600055RevA06 October 2006 Everest Lite Owner s Manual Install batteries Tools needed Phillips screwdriver 1 Place batteries i
36. ll cables are away from the moving parts of the wheelchair 40 GF0600055RevA06 October 2006 Everest Lite Owner s Manual LIMITED WARRANTY This warranty has been drafted to comply with the U S Federal Law applicable to prod ucts manufactured after July 4 1975 This warranty is extended only to the original pur chaser consumer or dealer non consumer and to no other purchaser or transferee GF Health Products Inc warrants the Everest Lite against manufacturing defects in materi als and workmanship as listed below WARRANTY PERIODS EVEREST LITE POWER WHEELCHAIR 1 Lifetime of Wheelchair a Base frame b Motors controller hand control cables c Upholstered components plastic parts painted surfaces rubber parts bearings front rigging forks and any other parts not specifically identified above all models BATTERY CHARGERS REPLACEMENT PARTS a Sideframe mainframe crossbraces cross struts b New motors actuators control module hand control c Remanufactured motors actuators control module hand control d All other components The average life expectancy of a wheelchair under normal everyday use is approximately five 5 years The warranty period is as designated above If a part is replaced under warranty the original warranty period will not be affected All other replacement parts will be subjected to the warranty period specified The Warranty period for the consu
37. lso provides a diagnostic display When a control system fault occurs a set of lights will flash Use the picture at left below to identify the fault code the number of lights flashing then see the system fault and appropriate action at the picture s right THE FOLLOWING SYSTEM FAULTS WILL PREVENT THE WHEELCHAIR FROM DRIVING battery level indicator control system fault SYSTEM diagnostic guide table FAULT CHECK ACTION Low battery The battery needs charging or there is a bad connection to the voltage batteries Check the connections to the batteries and the controller 1 light flashing rapidly power connector If the connections are good try charging the battery e Left motor The left motor has a bad connection Ensure that the motor is disconnected connected properly and the controller connectors are secure If 2 lights flashing rapidly problem persists see dealer Check motor brushes Left motor The left motor has a short circuit to a battery connection See dealer wiring fault Check motor brushes 3 lights flashing rapidly e Right motor The right motor has a bad connection Ensure that the motor is disconnected connected properly and the controller connectors are secure If 4 lights flashing rapidly problem persists see dealer Right motor The right motor has a short circuit to a battery connection See dealer wiring fault 5 lights flashing rapidly Inhib
38. luate their effect on the overall immunity of the pow ered wheelchair Z WARNING Report all incidence of unintended movement or brake release to Gra ham Field Health Products and note whether there is a source of EMI nearby IMPORTANT INFORMATION 1 20 volts per meter V m is a generally achievable and useful immunity level against EMI as of May 1994 the higher the level the greater the protection 2 This powered wheelchair model has an immunity level of 20 V m Be aware that using different components adding accessories or modifying the powered wheelchair may change the immunity level ee Everest Lite Owner s Manual GF0600055RevA06 October 2006 9 HANDLING TIPS The Everest amp Jennings Everest Lite has been designed and engineered to perform as a stable and well balanced unit when used as intended but it is possible to tip the Everest Lite over if used improperly We urge you to learn the characteristics of your wheelchair It is most important to learn safe methods to perform the daily activities basic to your lifestyle Consult healthcare professionals for assistance in developing the skills and proper techniques to perform all activities safely BALANCE Proper balance is the key to maintaining the stability of your wheelchair Reaching bend ing and transferring to or from a wheelchair will change the weight distribution and center of gravity of you and your wheelchair When per
39. mer commences on the first date a product is deliv ered to consumer by seller dealer If the product is rented or leased the warranty pe riod commences on the invoice date from GF Health Products Inc A copy of the invoice showing date of purchase must be provided when submitting warranty claims When proof of purchase date is not provided warranty coverage shall commence upon GF Health Products Inc s invoice date to the dealer purchaser If within the warranty period the product or component part is proven to GF Health Products Inc s satisfaction to be defective GF Health Products Inc shall provide at its option one of the following 1 repair or replacement of any defective or nonconform ing part or product or 2 a credit and or refund of the original selling price made to GF Health Products Inc s initial customer on a prorated or depreciated basis GF HEALTH PRODUCTS INC S SOLE OBLIGATION AND YOUR EXCLUSIVE REMEDY UNDER THIS WAR RANTY SHALL BE LIMITED TO SUCH REPAIR REPLACEMENT CREDIT AND OR REFUND This warranty does not include any labor charges incurred in replacement part s instal lation or any associated freight or shipping charges to the manufacturer LIMITATIONS AND EXCLUSIONS The foregoing warranty shall not apply to serial num bered products if the serial number has been removed or defaced Products subjected to negligence abuse misuse improper operation improper maintenance improper clean ing improper stor
40. mmediately with water and get medical attention GUIDELINES TO EXTENDING BATTERY LIFE e Give the batteries a full charge before using them for the first time e Limit use of new batteries for the first ten charge discharge cycles avoid deeply dis charging the batteries New batteries are not capable of their rated output until they have been discharged a number of times e Recharge batteries after every discharge Discharging batteries deeply before re charging them will shorten battery life Do not leave partially discharged batteries idle for several days charge them as soon as possible after discharging e Charge batteries fully each time before using Allow the charger to finish its charge cycle once started This will help prevent deeply discharging the batteries Unlike some rechargeable batteries the batteries used on wheelchairs do not exhibit a sig nificant memory effect they will recharge to their full capacity even if only par tially discharged before each charge e If you must store your wheelchair for a long period of time charge the batteries weekly e Perform regular maintenance on the batteries See maintenance schedule in Section MAINTENANCE for recommended regularity a rG Everest Lite Owner s Manual GF0600055RevA06 October 2006 23 BATTERY CHARGER Always use the battery charger included with your Everest Lite to charge your batteries Please read this entire sect
41. ncrease button The three color green yellow and red battery indicator illuminates when wheel chair power is on The battery indicator shows the charge level of the batteries As the batteries discharge the lights go off from green to red similarly to an automobile s gas gauge all lights on full When the batteries are nearly discharged only the red lights will illuminate When one red light flashes slowly charge batteries immediately When you switch wheelchair power on the battery indicator shows an estimate of the remaining battery charge the reading will be more accurate about a minute after you start driving the wheelchair The battery indicator also provides a diagnostics display when wheelchair control system problems occur See TROUBLESHOOTING for a description of the battery indicator diagnostics VR2 hand control control panel Maximum speed profile indicator This 5 segment display indicates the maximum speed setting or which drive profile is selected if drive profiles have been programmed Horn button This button operates the wheelchair s horn Speed profile decrease button This button decreases the maximum speed setting or selects a lower drive profile if drive profiles have been programmed Speed profile increase button This button increases the maximum speed setting or selects a higher drive profile if drive profiles have been programmed BATTERIES Please see Section VII BATTERIES which also descr
42. now unlocked the wheelchair can now be driven SEES eS _ _ 16 GF0600055RevA06 October 2006 Everest Lite Owner s Manual VI ADJUSTMENTS The Everest Lite offers several adjustments to make it easier and more comfortable to drive Adjustments are listed by component Section VIII MAINTENANCE offers preventive maintenance suggestions for keeping your wheelchair in excellent condition ensure that all components are in excellent condition before adjusting The following are recommended methods after a few adjustments you may develop your own methods Always consult your Graham Field Health Products dealer for assistance The person performing adjustments on the Everest Lite has the responsibility of making certain that the user can safely operate the wheelchair with the adjustments selected This person must evaluate the user s ability weight physical condition the environment in which the wheelchair will be used and the terrain over which the wheelchair will travel Specific tools needed to perform each adjustment are identified in adjustment sections A complete list of tools needed to perform all adjustments in Section VI follows Cable ties M6 hex key hex key M13 wrench Z WARNING Ensure that wheelchair power is OFF and drive engagement levers are engaged before performing adjustments ARM Adjust hand control extension backward and forward The hand control can be moved forwar
43. nside battery pack 2 Connect red cable to positive battery terminal and black cable to negative battery terminal on the other battery as shown at right 3 Connect battery cable to both batteries at free positive and negative terminal as specified in step 2 4 Ensure that all wires are connected as specified in previ ous steps Ensure that all connections are secure 5 To retard corrosion coat battery posts and terminals with petroleum jelly after all connections are made 6 Usea Phillips screwdriver to close the battery pack as shown at right turn it right side up with handle strap on top 7 Replace the battery pack in the wheelchair as shown at right 4 Caution When installing the battery pack press the strap all the way down 8 Pull the seat rotate lever while placing the seat on the base frame as shown at right Ensure that seat is secure ly installed before continuing 9 Connect the hand control connector to the cowl connec tor as shown at right 10 Do not attempt to operate wheelchair until batteries are fully charged and installed as instructed here A WARNING Ensure that batteries and seat are installed as described before operating wheelchair Z WARNING Ensure that all cables are away from the moving parts of the wheelchair Everest Lite Owner s Manual GF0600055RevA06 October 2006 27 REGULAR BATTERY MAINTENANCE A WARNING Batteries supply a large amount
44. of current Do not wear jewelry or watches when working on batteries Take care not to connect the termi nals accidentally with anything metal severe burns could result Z WARNING Batteries contain sulfuric acid which can burn eyes skin clothes etc Use caution Always wear safety glasses when working with batteries If contact occurs flush immediately with water and get medical attention Clean batteries Needed baking soda You will first need to remove the batteries see Remove batteries in previous REMOVE AND INSTALL BATTERIES section follow steps 1 7 Clean outside of batteries and inside and outside of battery box with a solution of one tablespoon baking soda to ten ounces water 3 Rinse with clear water Allow to dry Ensure that batteries and connectors are clean and dry Reinstall batteries see Install batteries in previous REMOVE AND INSTALL BATTERIES section follow steps 1 10 Clean battery terminals Tools needed wire brush or battery terminal cleaning tool You will first need to remove the batteries see Remove batteries in previous REMOVE AND INSTALL BATTERIES section follow steps 1 7 Clean all battery terminals and clamps with a wire brush or battery terminal cleaning tool this can be purchased at most auto parts stores Reinstall batteries see Install batteries in previous REMOVE AND INSTALL BATTER IES section follow steps 1 10 28 GF0600055RevA06 October 2006 Everest Lit
45. one moves closer to the transmit ting antenna source the EM fields from hand held radio wave sources transceivers are of special concern It is possible to unintentionally bring high levels of EM energy very close to the powered wheelchair s control system while using these devices This can affect powered wheelchair movement and braking Therefore the warnings that fol low are recommended to prevent possible interference with the control system of the powered wheelchair EMI WARNINGS Electromagnetic interference EMI from sources such as radio and TV stations amateur radio HAM transmitters two way radios and cellular telephones can affect powered wheelchairs Following the warnings listed below should reduce the chance of unintend ed brake release or powered wheelchair movement which could result in serious injury Z WARNING Do not operate hand held transceivers transmitters receivers such as citizens band CB radios or turn on personal communication devices such as cellular telephones while the powered wheelchair is turned on Z WARNING Be aware of nearby transmitters such as radio or TV stations and try to avoid coming close to them Z WARNING If unintended movement or brake release occurs turn the powered wheelchair off as soon as it is safe Z WARNING Be aware that adding accessories or components or modifying the pow ered wheelchair may make it more susceptible to EMI Note There is no easy way to eva
46. our Graham Field Health Products dealer for as sistance Most power drive problems are battery related As batteries age their abil ity to hold a charge decreases Older batteries discharge much more quickly than new batteries under the same driving conditions This results in a decrease in the distance the wheelchair can travel before batteries need to be charged This decrease is often misinterpreted as a problem with the wheelchair system when in fact the batteries have simply reached the end of their useful lives and should be replaced Sometimes expen sive components are unnecessarily replaced when the batteries are the real problem If an electrical problem exists check the following BATTERIES Make sure the batteries are fully charged Have your Graham Field dealer test battery state of charge if necessary Keep the posts and terminals clean and tight CIRCUIT BREAKER Your Everest Lite is equipped with a circuit breaker to protect the electrical circuits from overload It is located in the left rear cowl In the event of an overload the circuit break er button will pop out To reset the circuit breaker push the button in Note If you experience a problem with your wheelchair and are unable to service it your self contact the dealer from whom you purchased the wheelchair If the dealer is unable to help you contact Graham Field Health Products Customer Service Depart ment at the phone number on the back of this manual Note
47. raint provided by the vehicle manufacturer The unoccupied Everest Lite can be disassembled into four pieces for transport eo battery pack rear base and front base 1 Engage the drive wheels with the drive engagement levers and turn wheelchair power off 2 Disconnect the hand control connector from the cowl connector as shown at right 3 Pull the seat rotation lever while lifting the seat up and off the base to remove it as shown at right 4 Remove the battery pack as shown at right 5 Set rear of wheelchair carefully on floor as shown at right Pull lever to separate front from rear being careful not to drop wheelchair 6 Fold the front base down as shown at right to separate the front base from from the rear base Everest Lite Owner s Manual GF0600055RevA06 October 2006 39 Reassembly 1 Set rear base of wheelchair carefully on floor as shown at right Assemble front base to rear base as shown 2 Fold the front base up as shown at right and pull lever to connect front base to rear base 3 Install the battery pack as shown at right 4 Pull the seat rotation lever while installing the seat on the base to lock it in place as shown at right Ensure that seat is securely installed before continuing 5 Connect the hand control connector to the cowl connec tor as shown at right Z WARNING Ensure that all components are installed as described before operating wheelchair and that a
48. setting If adjusting the speed control does not remedy the problem there may be a nonhazardous fault Call your dealer Reprogram to desired performance 36 GF0600055RevA06 October 2006 Everest Lite Owner s Manual BATTERY INDICATOR DIAGNOSTIC GUIDE Battery indicator control system status display The battery indicator also provides a control system status display Use the picture at left below to identify the display the number of lights illuminated then see the fault if and status appropriate action at the picture s right THE WHEELCHAIR WILL BE OPERABLE WHEN THE FOLLOWING FAULTS OCCUR battery level indicator SYSTEM status guide table FAULT CHECK ACTION ey red yellow amp None Batteries charged control system OK green lights illuminate Pd H 1 red amp yellow None Charge batteries if possible control system OK lights illuminate None Low batteries control system OK y ree lights only illuminate or h batteries flash slowly Charge batteries 099 900 Possible Joystick out of neutral leave joystick in neutral while turning red yellow amp joystick fault wheelchair power on Operate joystick to make sure it returns to green lights neutral Turn ON OFF button off and ON to reset step up amp down a a ee ee Everest Lite Owner s Manual GF0600055RevA06 October 2006 37 Battery indicator control system fault display The battery indicator a
49. sy to avoid Others are not apparent and exposure is unavoidable However we believe that by following the warn ings that follow your risk to EMI exposure will be minimized The sources of radiated EMI can be broadly classified into three types 1 Hand held portable transceivers transmitters receivers with the antenna mounted directly on the transmitting unit Examples include citizens band CB radios walkie talkies security fire and police transceivers cellular telephones and other person al communication devices Note Some cellular telephones and similar devices transmit signals while they are on even when not being used 2 Medium range mobile transceivers such as those used in police cars fire trucks am bulances and taxis These usually have the antenna mounted on the outside of the vehicle and 3 Long range transmitters and transceivers such as commercial broadcast transmit ters radio and TV broadcast antenna towers and amateur HAM radios Note Other types of hand held devices such as cordless telephones laptop computers AM FM radios TV sets CD players and cassette players and small appliances such as electric shavers and hair dryers so far as we know are not likely to cause EMI problems with your powered wheelchair 8 GF0600055RevA06 October 2006 Everest Lite Owner s Manual POWERED WHEELCHAIR ELECTROMAGNETIC INTERFERENCE EMI Because EM energy rapidly becomes more intense as
50. t footboard Use M5 hex key and M13 wrench to tighten Z WARNING Ensure that all parts of foot board are secure and that footboard is securely mounted adjust footboard height before occupying or operating wheelchair footboard mounting screw 22 GF0600055RevA06 October 2006 Everest Lite Owner s Manual Vil BATTERIES Batteries are of critical importance require attention and maintenance and will require periodic replacement As batteries age their ability to hold a charge decreases Old batteries discharge much more quickly than new batteries under the same driving con ditions This results in a decrease in the distance the wheelchair can travel before bat teries need to be charged This decrease is often misinterpreted as a problem with the wheelchair system when in fact the batteries have simply reached the end of their use ful lives and should be replaced Properly maintained batteries can be expected to last approximately 9 to 18 months The purpose of proper maintenance is to extend that life as much as possible and to minimize the incidence of unsatisfactory wheelchair perfor mance The Everest Lite uses two 12V 12AH deep cycle sealed case batteries 4 Caution Use only deep cycle sealed case construction batteries in this device Z WARNING Batteries contain sulfuric acid which can burn eyes skin clothes etc Use caution Always wear safety glasses when working with batteries If contact occurs flush i
51. te before driving it Do not remove any of the labels 4 Caution Never lift your Everest Lite by the front or rear cowl 4 Caution When installing the battery pack press the strap all the way down WARNINGS Z WARNING The Everest Lite maximum weight capacity is 250 pounds 114 kg Z WARNING The wheelchair user must be capable of driving a power wheelchair safely Z WARNING Do not operate this wheelchair on streets or roadways Z WARNING Use the positioning strap at all times to prevent injury Z WARNING Do not operate this wheelchair on hilly or rough terrain sand wet or icy surfaces or surfaces with impaired traction Z WARNING Do not attempt any incline or decline greater than six degrees 10 grade or one foot of rise or fall per ten feet of ramp length Z WARNING Exercise caution if turning wheelchair while going downhill Z WARNING This wheelchair does not offer seating or occupant restraint equivalent to the seat provided in a motor vehicle To increase your safety while traveling in a motor vehicle always transfer to the vehicle seat and use the restraint provided by the vehicle manufacturer ee a Everest Lite Owner s Manual GF0600055RevA06 October 2006 5 Z WARNING Z WARNING Z WARNING Z WARNING Z WARNING Z WARNING Z WARNING Z WARNING WARNING Z WARNING Z WARNING Z WARNING Do not tie down or attach anyth
52. the drive engagement levers and turn wheelchair power off 2 Pull the seat rotate lever located below seat front while rotating the seat to desired position 3 To rotate the seat back into driving position pull the seat rotate lever located below seat front while rotating the seat to desired position WARNING Ensure that seat is facing frontward and locked in place before operat ing wheelchair a ee ea Everest Lite Owner s Manual GF0600055RevA06 October 2006 21 FOOTBOARD A WARNING Ensure that the lowest point on the footboard clears the ground safely during ascent or descent Flip footboard up To flip up the footboard grasp front of footboard and rotate upward Adjust footboard angle see picture at right Tools needed M5 hex key Angle front of fooboard upward To angle the front of the footboard upward use the M5 hex key to turn the socket head cap screw clockwise Angle front of footboard downward To angle the front of the footboard downward use the M5 hex key to turn the socket head cap screw counter clockwise footboard adjustment screw adjust footboard angle Adjust footboard height Tools needed M6 hex key M13 wrench Footboard height is adjustable to three posi tions see picture at right 1 Use M5 hex key and M13 wrench to remove nut and bolt that mount footboard remove footboard 2 Install footboard at desired height 5 Install nut and bolt that moun
53. ve profiles When adjusting with the programmer do not set reverse speed faster than forward speed Ensure that wheelchair power is off before connecting or disconnecting the programmer Do not disconnect the wheelchair batteries while the programmer is con nected to the controller Do not connect accessories to the batteries it will decrease driving range and shorten battery life Do not connect ANYTHING to only one battery this will cause premature battery failure 6 GF0600055RevA06 October 2006 Everest Lite Owner s Manual Z WARNING Z WARNING Z WARNING Z WARNING Z WARNING Z WARNING WARNING Z WARNING Z WARNING Z WARNING Never connect a respirator or other life support device to the wheelchair batteries since it will shorten the battery operating time This could cause an unanticipated failure of both the wheelchair and the life sup port equipment Do not stand or step on the footboard while transferring to or from your wheelchair This could cause the wheelchair to tip or could cause per sonal injury or damage to your wheelchair Always ensure that the wheelchair is on a stable level surface engage the drive engagement levers and turn wheelchair power off before transferring using a wheelchair lift or using an elevator Do not attempt to reach objects if you are required to move forward in the seat Do not attempt to retrieve objects from the floor if you must reach
54. will not be stepped on tripped over or otherwise subjected to damage or stress Z WARNING To prevent electrical shock do not touch uninsulated parts of the bat tery charger output connector battery connectors or battery terminals Ensure that all electrical connectors are in good working condition Do not use connectors that are cracked corroded or do not make adequate electrical contact Use of a damaged or defective connector could result in fire or electric shock 24 GF0600055RevA06 October 2006 Everest Lite Owner s Manual A WARNING Ensure that the area around battery charger and batteries is well venti lated while batteries are being charged Do not allow clothing blankets or other material to cover battery charger Do not place battery charger under a bed Z WARNING Keep sparks flame and smoking materials away from batteries No smoking Z WARNING Battery chargers can ignite flammable materials and vapors Do not use near fuels grain dust solvents thinners or other flammables Z WARNING Batteries generate gases which can be explosive To prevent arcing or burning near batteries do not disconnect battery charger output connec tor from wheelchair battery charger receptacle when battery charger is operating If the charge cycle must be interrupted disconnect the bat tery charger AC connector from the power outlet and then disconnect the battery charger output connector from the wheelchair batt
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