Sunrise Medical 931157 Mobility Aid User Manual
Contents
1. Front Battery U U R t pie Basic Tool List Rear Battery sae For correct maintenence adjustment and for disassembly reassembly of the power chair you WIRE_DGM1 will need the following tools 1 3mm Allen wrench 2 5mm Allen wrench 3 13mm Open end wrench A 13mm Socket wrench 5 16mm Open end wrench 6 17mm Deep Socket wrench 7 19mm Open end wrench 8 Phillips screwdriver 2 9 Flat blade screwdriver 10 Cutter for the zip tie SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 0 4 Troubleshooting No Power 1 0 Circuit Breaker Reset If On off button is pressed and no light or bar is shown check for tripped circuit breaker see figure A1 0 1 and make sure all connections are clean and tight including the batteries If the problem persists then perform the following diagnostics 1 1 Test Joystick Check that the voltage is going to the controller set the meter to de volts and take a voltage reading from pin 1 using the red lead and pin 2 using the black lead to the charger port of the VSI controller see figure A1 1 1 If the voltage meter reads approximately 24 volts replace the con troller if the meter reads less than 12 volts proceed to the next step DIGITAL MULTIMETER Va Note Make sure the polarity is correct If the reading is inter mittent there is a connection or Controller problem f polari ty is reversed proceed2. If either or both readings are incorrect then measure the resistance on the two small contacts on the 4 pin motor connector see figure A3 8 3 If both motor connectors read approximately 60 ohms then replace the main har ness Otherwise replace the motor that does not read approximately 60 ohms f both motor connectors read approximately 60 ohms then replace the main harness Otherwise replace the motor that does not read approximately 60 ohms 3 9 Ten Bars High Battery Voltage An excessive voltage has been applied to the control system This is usually caused by a poor battery connec tion Check the battery connections Battery Fault Check that the batteries are fully charged the correct volt age and in good condition Take a voltage reading from pin 1 and pin 2 of the charger port of the VSI controller see figure A3 9 1 If the meter reads more than 30 volts then check the charger Otherwise replace your controller f the meter reads more than 30 volts replace the charger f the Batteries connections and voltage level are correct replace the controller SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 10 Disassembly Reassembly and Adjustment Step 1 Controller and Seat Note When using the terms Right Hand Left Hand this is referenced as if seated in the chair Disa
3. f polarity is reversed correct battery wiring 1 7 Battery Fuse Check that the battery fuse is in good condition With the batteries disconnected remove the fuse cap inspect the fuse to see if the fuse is blown To make sure the fuse is not blown set the meter to ohms and measure the resist ance across the fuse see figure A1 7 1 If the meter reads more than one ohm change the fuse or else pro ceed to the next step DIGITAL MULTIMETER f the meter reads more than one ohm change the Battery fuse A 1 8 Circuit Breaker Test A To check the circuit breaker set the meter to ohms and measure the resistance across the circuit breaker as shown in figure A1 8 1 If the meter reads more than 1 ohm then change the circuit breaker otherwise proceed to next step DIGITAL MULTIMETER If the meter reads more than 1 ohm then change the circuit breaker 1 9 Main Harness If the above steps did not correct the problem change the main harness f the previous steps did not correct the problem change the main harness SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 3 Understanding Controller Display 2 1 The Maximum Speed Indicator Ripples The wheelchair is locked To unlock the wheelchair deflect the joystick forwards until the control system chirps Then deflect the joy
4. Disassembly a Straighten the locking washer tabs on the front figure 10 1 and or rear figure s10 2 caster assemblies b Use the 13mm wrench and 13mm socket wrench to remove the mounting bolts c Slide the caster assemblies out from the base frame tubes Reassembly a Reverse above instructions Note Torque specification on the mounting bolts is 13 ft lbs Note Bend locking tabs against bolt head flats Adjustment Note There is a suspension bumper on the rear caster assembly to limit rocking motion figure 10 3 a Use a 13mm open wrench to loosen or tighten the jam nut to make the proper adjustment operator preference SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 18 Disassembly Reassembly and Adjustment cont Step 11 Wire Harnesses Disassembly a Remove all the zip ties on the base frame b Unwrap all the wire loom ties securing the harness to the frame c For the main harness remove the two screws that hold ing the female beau plug figure 11 1 d Remove the circuit breaker locking nut and push it through the bracket figure 511 2 then remove the main wire harness e For the light and A C harness remove the front shroud and then remove the mounting screws on the A C plug bracket figure 11 3 f Push the light harness through the bracket g Pull the A C harness through the bracket Reassembly a Reverse above instructions Ad
5. Guardian Aspire Service Manual SUNRISE MEDICAL www sunrisemedical com 2003 Sunrise Medical Inc 931157 RevA Guardian Aspire Troubleshooting Guide INTRODUCTION 2 354uure 04e tenets dbeledeesavasieee 0 1 Specifications VSI Controller 5 44 0 2 Plugs Connectors 28e 0 3 Main Wiring Diagram Tool List 0 4 Troubleshooting No Power Section 1 Step 1 0 Circuit Breaker Reset 1 Step 1 1 Test Joystick 1 Step 1 2 Battery Test 1 Step 1 3 Recharging the Batteries 2 Step 1 4 Not Charging cccccccceeeceeeeeeeseieeeeeeeees 2 Step 1 5 Battery Connection Check 0 eee 2 Step 1 6 Battery Wire Harness cceeeeeeeeeeeeee 3 Step 1 7 Battery FuS s citi snsindfieedlneeleeasesacdind 3 Step 1 8 Circuit Breaker Test 3 Step 1 9 Main Harness ccceeeeeeeeeeeecceeeeeeeeeeeeees 3 Understanding Controller Display Section 2 2 1 Maximum Speed Indicator Ripples 4 2 2 Maximum Speed Indicator Flashes 4 2 3 Battery Gauge is Steady 4 2 4 Battery Gauge Flashes Slowly 4 2 5 Battery Gauge Steps Up 4 2 6 Battery Gauge Blinks Every 2 5 Seconds 4 2 7 Battery Gauge Flashes Rapily eee 4 Understanding VSI Controller Diagnostics Codes siaaa NEE R E vad ins cats asaideda de cpne Cane aaa Section 3 3 1 1 Bar 1 Red
6. For better access pull the cog release handle to the free wheel position figure s2 1 Reassembly a Hold the cog release pivot joint and thread the cog release handle back to the pivot joint Adjustment Tighten the Jam nut to set the cog release handle to the correct orientation Note It is recommended that the handles end up facing outward Step 3 Seat Posts Disassembly a Remove the cap from the left side of the front shroud Figure s3 1 b Pull the spring loaded release pin to disengage the seat post While holding the Spring Loaded Release Pin slide the seat post to it s maximum height position to expose the small quick release pin at bottom of shaft Figure s3 2 c Remove the small quick release pin pull the Spring Loaded Release Pin and remove the seat post d Pull out the three remaining quick release pins and remove all other seat posts Reassembly a perform the reverse of instructions above SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 12 Disassembly Reassembly and Adjustment cont Step 4 Shroud Disassembly Note Make sure the cog release pivot joints are in a posi tion that matches the shroud cutout a Use a 2 Phillips screw driver to remove the four mount ing screws and slide out while lifting off the top shroud from the back of the chair figure 4 1 b Use a 2 phillips screw driver to remove the six mount ing screws on the ins
7. Low Battery Voltage ee 5 3 2 2 Bars 2 Red Left Motor Disconnected 5 3 3 3 Bars 3 Red Left Motor Wiring Trip 6 3 4 4 Bars 3 Red 1 Yellow Right Motor Disconnected 7 3 5 5 Bars 3 Red 2 Yellow Right Motor Wiring Trip 8 3 6 7 Bars 3 Red 4 Yellow Possible Joystick Trip 9 3 7 8 Bars 3 Red 4 Yellow 1 Green Possible Control System Trip 9 3 8 9 Bars 3 Red 4 Yellow 2 Green Solenoid Brake Trip 9 3 9 10 Bars 3 Red 4 Yellow 3 Green High Battery Voltage ecececceeeeeeeeeteeeeeeeeeteeeeeee 10 Disassembly Reassembly and Adjustment Section 4 Step 1 Controller and Seat 11 Step 2 Cog Release 12 Step 3 Seat Posts 12 Step 4 Shroud u2 une dise ouh taie ni 13 Step 5 Front Caster Cover 14 Step 6 Charger unten 15 Step Battery neenon 15 Step 8 Motor Wheel 16 Step 9 Motor Mounts 00 eee ceeceeeeeteeeeeeeeneeeeeeeeneaees 17 Step 10 Front and Rear Caster Assembly 18 Step 11 Wire Harnesses 19 INTRODUCTION Please read and follow instructions in this service manual before attempting to troubleshoot or repair this product for the first time lf there is anything in this Service Manual that is not clear or if you require additional Technical assistance
8. contact Sunrise Medical at 800 333 4000 option 2 then option 1 Safely troubleshooting and or repair of this product depends on your diligence in following the instructions within this manual Sunrise Medical is not responsible for injuries or dam age resulting from a person s failure to exercise good judgement and or common sense hazard that could effect the safety of the individual troubleshooting the There are warning symbols used in this document to focus attention on any chairs covered in this Service Manual This Service Manual has been compiled as a troubleshooting guide for the Guardian Aspire Photographs and content may differ from the actual products in some cases due to changes in specifications and other factors This Service Manual is intended for use by persons with a basic working knowledge and the skills required in servicing and maintaining Power Wheelchairs Persons without a General Working knowledge and expertise in the servicing of this product should not carry out trou bleshooting procedures This can result in problems with future servicing and or damage to the unit Parts and configuration or specifications of Products included in this Service Manual are subject to change without prior notice SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 0 1 VSI Controller VSI Controller SMASP0P01 SMASPOX01 st VSI Controller Buttons Battery Condition Meter A e series of ten
9. good condition examine the joystick for damage This fault can be caused by a joystick that fails to center itself due to being dirty bent or broken If this is the case replace the controller f the joystick fails to center because it is bent or broken replace the controller 3 7 Eight Bars Possible Control System Trip A control system trip is indicated Make sure that all connections are secure Controller Fault Check that the batteries are fully charged and in good condition and check all joystick connections and cables If this does not correct the problem then replace the controller 3 8 Nine Bars Solenoid Brake Trip Brake Fault The parking brakes have a bad connection Check the parking brake and motor connections Make sure the con trol system connections are secure Brake Fault Check battery connections and cables Set the meter to ohms and measure the resistances from pin 9 to pin 7 of the 9 pin beau plug see figure A3 8 1 Measure the resist ance from pin 9 to pin 8 of the 9 pin Beau connector see figure A3 8 2 If both readings are approximately 30 ohms replace the controller If both readings are approximately 30 ohms then replace the controller SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 9 Understanding VSI Controller Diagnostics Codes cont 3 8 Nine Bars Solenoid Brake Trip cont Test Motor Connections
10. to step 1 6 f the total Battery Voltage reads approx 24 V and the Polarity is correct replace the controller 1 2 Battery Test Check that the batteries are fully charged and in good con dition Remove the seat and the battery cover with con troller connected and turned on use the meter to check the voltage across the battery terminals see figure A1 2 1 If the voltage meter reads between 12 13 5 volts then pro ceed to next step If the voltage meter reads below 12volts charge the batteries Note To find a bad battery use a battery load tester f the voltage meter reads below 12 volts charge the batteries SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 1 1 3 Re Charging the Batteries If the total Battery voltage is less than 8 Volts charge each Battery separately with a 12 Volt Trickle Charger for a few hours This should bring the voltage back up to the level that the On Board Charger will activate 1 4 Not Charging Check the charger indicator light in the front shroud If it is not lighted check the connection from the light to the charger Check the Circuit Breaker Box and make sure it is not tripped Make sure the 3 pin Charger plug is connected properly and is in good condition Check all batteries and harness connections following steps 1 2 and 1 5 1 9 Check the connection from the A C charging outlet to the charger If none of these actions have c
11. LED s which indi cate charge level Speed Profile indicator A Re Tje series of five LED s whichdisplay speed and profile settings On Off Key Press to power on or off the power chair or Controller Horn Key Activates a warning horn to decrease the Speed Profile setting Speed Profile Increase Used to Increase the Speed Profile setting Speed Profile Decrease Used CNTRLLR BTNS SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 0 2 Plugs Connectors r 1 24 Vdc 1 0 Vdc 2 0 Vdc 2 Inhibit 3 i 3 Inhibit 1 Programmer 3 24 Vdc E 3 pin connect Charger port Outside View Outside View 3pin E N 9pin Controller and Harness 24 Vdc Solenoid Brake Input Motor Plug 0 Vde 7 8 0 Vdc ped 24Vde Y 24Vdc 1c m 2 9 3 LH Motor 3 4 LH Motor 4 pin connect E 1 Brake Solenoid RH Motor 1 2 RH Motor 2 Brake Solenoid 3 Motor 4 Motor 9 pin Connect Harness Socket Face SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 0 3 Main Wiring Diagram Tool List Wiring Diagram Indicator Light AC INPUT F IT CHARGER 12v BRAKE 12v BRAKE SOLENOID SOLENOID LEFT RIGHT MOTOR MOTOR
12. above Note The charger bar code sticker side must face outward Step 7 Battery Disassembly a Depress the locking tabs and unplug the battery con nectors b Grip the battery handle and pull the battery out of the base Note Pull out the front battery first slide the second bat tery out of the base figure s7 1 Reassembly a Perform the reverse of instructions above SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 15 Disassembly Reassembly and Adjustment cont Step 8 Motor Wheel Disassembly Note For ease of disassembly set the base frame on a block where all six wheels are at least 1 inch above the ground a Unwrap the wire looms from the motor and pull the motor connector out figure s8 1 i H 197 a d b Depress the motor connector locking tab and unplug it LL Kiii Tree figure 8 1 c Use a 5mm hex key to remove the six mounting screws figure s8 2 d Hold the motor wheel assembly and tilt the cog release rod toward the center of the base to get around the motor mount then pull the motor wheel assembly out through the bottom of the frame e Straighten the lock washer tab of the drive wheel f Use a 17mm deep socket wrench to remove the drive wheel retention nut then pull the drive wheel out from the motor shaft Note If the drive wheel is difficult to remove then remove the wheel plate screws Phillips Head Reassembl
13. etween 0 to 1 5 ohms then replace the controller DIGITAL MULTIMETER f the meter reads between 0 and 1 5 ohms then replace the controller Otherwise check the brushes on the right motor Ensure that they are not excessively worn replace as required as shown in Figure A3 4 2 Use the meter to check the resistance across the two bot tom contacts of the thicker wires on the 4 pin motor con nector as shown in figure A3 4 3 If the meter reads between 0 to 1 5 ohms then replace the main harness If none of the above corrects the problem replace the right motor DIGITAL MULTIMETER lem then replace the right motor If the meter reads between 0 and 1 5 ohms then replace the main harness If this does not correct the prob SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 7 Understanding VSI Controller Diagnostics Codes cont 3 5 Five Bars Right Motor Wiring Trip The right hand motor has a short circuit to a battery connection Test Right Motor Short Check that the batteries are fully charged and in good con dition and check all cables and connections Check the connections to the right motor look for a loose or damaged connector Take a resistance reading from pin 2 to pin 9 see figure A3 5 1 Take a resistance reading from pin 2 to pin 7 or pin 8 see figure A3 5 2 if the all t
14. he brushes on the left motor Ensure that they are not excessively worn replace as required as shown in figure A3 2 2 Use the meter to check the resistance across the two bot tom contacts thicker wires on the 4 pin motor connector as shown in figure A3 2 3 If the meter reads between 0 to 1 5 ohms then replace the main harness If none of the above corrects the problem replace the left motor DIGITAL MULTIMETER f the meter reads between 0 to 1 5 ohms then replace the main harness f none of the above corrects the problem replace the left motor SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 5 Understanding VSI Controller Diagnostics Codes cont 3 3 Three Bars Left Motor Wiring Trip The left hand motor has a short circuit to a battery connection Test Left Motor Short Check that the batteries are fully charged and in good con dition and check all cables and connections Check the connections to the left motor look for a loose or damaged connector Take a resistance reading from pin 3 to pin 9 and pin 3 to pin 7 or pin 8 see figure A3 3 1 and A3 3 2 if the all the circuits are open resistance is greater than 10 K ohm then replace the controller If the reading is short resistance is less than 10 K ohm proceed to check the 4 pin motor connector DIGITAL MULTIMETER f the all the c
15. he circuits are open resistance is greater than 10K ohms then replace the controller If the all the circuits are open resistance is greater than 10K ohms then replace the controller If the reading is short resistance is less than 10 K ohms on any of the readings proceed to check the 4 pin motor connector Measure the resistance from the bottom contact of the red thick wire on the 4 pin right motor connector to each of the top contacts of the connectors see figure A3 5 3 Measure the resistance from the bottom contact of the black thick wire on the 4 pin right motor connector to each the top contacts of the connector below right If all of the readings are open then replace the main harness If any of the readings are short then replace the right motor DIGITAL MULTIMETER Test 1 C Test 2 un 5 Test 3 a Test 4 a f all of the readings are open then replace the main harness If any of the readings are short then replace the right motor SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 8 Understanding VSI Controller Diagnostics Codes cont 3 6 Seven Bars Possible Joystick Trip joystick trip is indicated Make sure that the joystick is in the center position before switching on the control system Check that the batteries are fully charged and in
16. ide of the shroud to remove the side shroud fairing figure 4 2 c Lift the color side shrouds from the side shroud fairing Note Color side shrouds are attached using a hook and loop fastener system Reassembly a Perform the reverse of instructions above Note Remember short screws to rear and middle holes and long screws to front SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 13 Disassembly Reassembly and Adjustment cont Step 5 Front Caster Cover Disassembly a Use a 2 Phillips screw driver to remove the two mount ing screws on the side of the front caster cover figure 55 1 b Use a 2 phillips screw driver to remove the two mount ing screws and the caster cover mounting bracket figure 55 2 c Repeat steps a and b on the other side Reassembly a Perform the reverse of instructions above SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 14 Disassembly Reassembly and Adjustment cont Step 6 Charger Disassembly a Peel the velcro strip apart and remove the on board charger figure s6 1 b Slide the female charger plug out of the beau plug bracket figure s6 2 c Depress the locking tabs and unplug the A C plug and charger light indicator plug figure s6 1 Reassembly a First insert the velcro strip through the support ring before starting reassembly b Perform the reverse of instructions
17. ircuits are open resistance is greater than 10 K ohm then replace the controller Measure the resistance from the bottom contact of the red thick wire on the 4 pin left motor connector to each of the top contacts of the connector see figure A3 3 3 Measure the resistance from the bottom contact of the black thick wire on the 4 pin left motor connector to each of the top contacts of the connector see below right If all of the readings are open then replace the main harness If any of the readings are short then replace the left motor ion OS DIGITAL MULTIMETER an Q f c a m A Test 1 Test 2 oo Test 3 a Test 4 f all of the readings are open then replace the main harness If any of the readings are short then replace the left motor SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 6 Understanding VSI Controller Diagnostics Codes cont 3 4 Four Bars Right Motor Disconnected The right hand motor has a bad connection Check the connections to the right hand module Test Right Motor Open Check that the batteries are fully charged and in good con dition and check all cables and connections Check the connections to the right motor look for a loose or damaged connector Remove the 9 pin Beau plug and check the resistance across pin 1 and pin 2 as shown on figure A3 4 1 If the meter reads b
18. justment Note The circuit breaker can be removed without removing the main harness a Pull the quick disconnect terminal out from the bottom of the circuit breaker then remove the circuit breaker locking nut SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 19
19. ng off the power and then powering up again 2 7 Battery Gauge Flashes Rapidly even with the joystick released The control system safety circuits have been activated and the control system hasbeen prevented from moving the wheelchair This indicates a system trip i e the VSI has detected a problem somewhere in the wheelchair s electrical system Please refer to Section 3 VSI Controller Diagnostics SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 4 Understanding VSI Controller Diagnostics Codes 3 1 One Bar Low Battery Voltage This code could indicate discharged batteries failed batteries or poor battery connections Begin by recharging the bat teries and then refer to Section 1 to check batteries and connections 3 2 Two Bars Left Motor Disconnected The left hand motor has a bad connection Check the connections to the left hand motor Test Left Motor Open Check that the batteries are fully charged and in good con dition and check all cables and connections Check the connections to the left motor look for a loose or damaged connector Remove the 9 pin Beau plug and check the resistance across pin 3 and pin 4 as shown in figure A3 2 1 If the meter reads between 0 to 1 5 ohms then replace the controller DIGITAL MULTIMETER f the meter reads between 0 to 1 5 ohms then replace the controller Otherwise check t
20. orrected the problem then replace the charger Note On Board Charger Indicator Light shows Amber color when charging and Green when fully charged 1 5 Battery Connection Check Check that the female Beau plug on the chair has voltage Set the meter to dc volts and measure pins 5 using the red lead of the meter and 7 using the black lead of the meter as shown in figure A1 5 1 If the voltage meter reads full voltage then measure pins 6 using the red lead of the meter and 8 using the black lead of the meter as shown in figure A1 5 2 If both the measurements read full voltage then replace the controller or else proceed to the next step _ DIGITAL MULTIMETER _ if both of the measurements read full voltage then replace the controller SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 2 1 6 Battery Wire Harness Check that the battery wire harness has the polarity cor rect Set the meter to dc volts and measure the connector with the red lead on the red wire contact top of the con nector and the black lead on the black wire contact bot tom of the connector as shown in figure A1 6 1 If both battery wire harnesses have full voltage and correct polari ty then proceed to step 1 8 If voltage is absent proceed to step 1 7 If polarity is reversed correct battery wiring _ DIGITAL MULTIMETER _
21. ssembly a Squeeze down the locking legs of the 3 pin charger plug and unplug it from the rear of the chair figure s1 1 b Rock the controller plug back and forth until it is loose and then unplug it figure s1 1 Note Remember to lay cables on the seat otherwise they may become tangled when taking off the seat c Pull out the safety pin from the left front seat post figure 1 2 d Tilt the seat back slide it forward and lift it off of the base figure 1 2 Reassembly a Line up the rear seat frame with the rear seat posts slide the seat back to the stops and let the seat frame rotate down in to the front seat post latching brackets b Make sure the latching levers are locked flat against the seat post brackets and insert the locking pin c Plug the controller plugs into the plug receptacles at the rear of the chair Adjustment Note There is a setscrew in each saddle of the front seat post brackets that can adjust the free play of the seat frame in the bracket Adjustment of this part is accomplished by using a 3 mm Hex wrench After adjustment ensure that the latching levers are fully seated and the locking pin can be installed see figure 1 3 SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 11 Disassembly Reassembly and Adjustment cont Step 2 Cog Release Disassembly a Turn each of the two cog release handles counter clock wise to unscrew them Note
22. stick in reverse until the control system chirps Release the joystick there will be a long beep The wheelchair is now unlocked To lock the wheelchair while the control system is switched on depress and hold the on off button After 1 second the control system will chirp Now release the on off button deflect the joystick forwards until the control system chirps and deflect the joystick in reverse until the control system chirps Release the joystick there will be a long beep The wheelchair is now locked 2 2 The Maximum Speed Indicator Flashes This indicates that the chair is charging via on board charger The chair will be ready to drive as soon as the charger is unplugged 2 3 Battery Gauge is Steady This indicates that all is well 2 4 Battery Gauge Flashes Slowly The control system is functioning correctly but you should charge the battery as soon as possible 2 5 Battery Gauge Steps Up the wheelchair batteries are being charged with the offboard charger You will not be able to drive the wheelchair until the charger is disconnected and you have reset the control system by switching off the power and then powering up again 2 6 Battery Gauge Blinks Once Every 2 5 Seconds The control system has gone to sleep because the wheelchair has not been driven for a period of time The time period depends on the programming of the system To re start reset the system by switchi
23. y a Perform the reverse of instructions above Note Torque specifications Motor mounting screws 15 20 ft lbs Wheel retention nut 35 40 ft lbs Wheel plate screw 15 20 ft lbs Adjustment Note There is a suspension bumper on the frame to limit the motor s movement figure 8 3 It also changes the pre load on the front caster a Use a 13mm open wrench to loosen or tighten the jam nut and make the proper adjustment operator preference b Install wire tie on back inside corner of gear box SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 16 Disassembly Reassembly and Adjustment cont Step 9 Motor Mounts Disassembly a Use a 5mm allen wrench and 13mm wrench to remove the mounting bolt connecting the linkage to the caster arm figure s9 1 b Use a 16mm wrench and 19mm wrench to remove the motor mount pivot bolt figure s9 2 c Slide the motor mount out from the base frame pivot bracket Reassembly a Reverse above instructions Hint If the mounting bolt is difficult to remove or install then grasp the front trailing arm and the swing arm with one hand and squeeze together or remove the center bolt and the stopper tube Note Torque specifications on the pivot bolt and the mount ing bolt are 40 in lbs SUNRISE MEDICAL ASPIRE SERVICE MANUAL 2003 PAGE 17 Disassembly Reassembly and Adjustment cont Step 10 Front and Rear Caster Assembly
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