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Battery Replacement 

1.  Turn off the power to the controller. 
2.  Make sure that the power chair is in drive mode. 
3.  Unscrew the two screws of the rear cover and the front cover. See figure 5( battery 

installation)

4.  Disconnect the rear couple batteries harness from the power base. See figure 5.
5.  Unfasten the battery strap from the around the rear couple batteries, then slide the rear 

couple batteries out.

6.  Unscrew the two screws of the front cover. See figure 5.
7.  Disconnect the front couple batteries harness from the power base. See figure 5.
8.  Unfasten the battery strap from the around the front couple batteries, then push the front 

couple batteries from the front of the base out to the half rear part of the base, the slide 
them out. See figure 5

9.  Remove the battery harness from each battery

.

10. In stall a battery harness onto each new battery according to the battery wiring diagram

.

Make sure that you connect the red wire to the po) battery terminal and the black 
wire to the negative(-) battery terminal for each battery. 

WARNING! Make sure you tighten the fasteners so that the connections are secure. 

11. Place the batteries back into the power base one by one from the rear base. 
12. Fasten the battery strap around the rear battery. 
13. Connect each battery harness to his mating plug on the power base. 
14. Reinstall the rear cover and the front cover. 
15. Charge the batteries. 

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Summary of Contents for OB-EW-001

Page 1: ...USER MANUAL Unlimited Electric Wheelchair OB EW 001 www observer mobilityproduct com 1 ...

Page 2: ...INTRODUCTION 3 2 OPERATION 4 6 3 PG Controller Operation 7 19 4 ASSEMBLY 20 23 5 BATTERIES AND CHARGING 24 27 6 CARE AND MAINTENANCE 28 33 7 WARRANTY 34 36 8 APPENDIXI SPECIFICATIONS 37 www observer mobilityproduct com 2 ...

Page 3: ...ons in this manual and those located on your power wheelchair can lead to personal injury or damage to the power chair including voiding the warranty Purchaser s Agreement By accepting delivery of this product you promise that you will not change alter or modify this product or remove of render inoperable or unsafe any guards or other safety features of this product fail refuse or neglect to insta...

Page 4: ...n Remark 1 To read and follow all instructions and notes in this manual before attempting to opearte your power wheelchair for the first time 2 This power wheelchair is the monopoly product please do not rebuild for other usages 3 Before formal using please practice at open space to be familiar with all of functions 4 In case of danger while driving the power wheelchair do not use mobile phone lap...

Page 5: ...ding and extremely wet should be forbidden absolutely 9 Do not try to open repair or change the motor which can damage it and make the maintain ineffective Water inflow should be forbidden absolutely while the power wheelchair crossing 100 mm the motor can be soaked it will cause the permanent damage of motor How to operate the gradienter switch Just following the instruction as belows based on th...

Page 6: ...How to adjust the width and height of the armrest that you need Just following the easy instruction as belows www observer mobilityproduct com 6 ...

Page 7: ...set the system WARNING Always turn the power off when you are stationary to prevent unexpected movement 2 Rain and Water The joystick hand control unit IS NOT WATERPROOF The joystick module is splash proof but may be permanently damaged if water transgresses the rubber seals thhis damage is not covered under warranty We recommend carrying a plastic bag large enough to cover the joystick module and...

Page 8: ...ntaminated with food or drink clean it off as soon as possible 5 Cleaning Clean the control system and the joystick with a cloth dampened with diluted detergent Be careful when cleaning the joystick and screen Never use abrasive or spirit based cleaners 6 Controls The R net control system has two versions of Joystick Module with and without lighting control Most of the controls are common to both ...

Page 9: ...h the joystick from the center position the faster the wheelchair wil move When you release the joystick the brakes are automatical y applied If the wheelchair is fitted with actuators the joystick can also be used to move and select actuators refer to section 5 5 for moredetails 6 2Buttons www observer mobilityproduct com 9 ...

Page 10: ...HornButton The Horn will sound while this button is depressed 6 2 3 Speed Decrease Button This button decreases the maximum speed setting Depending on the way the control system has been programmed a momentary screen may be displayed when the button is pressed Refer to section 5 for details of the momentary screen 6 2 4 Speed Increase Button This button increases the maximum speed setting Dependin...

Page 11: ... section 5 for details of the momentary screen 6 2 7 Hazard Warning Button and LED This button activates and de activates the wheelchair s hazard lights Depress the button to turn the hazards on and depress the button again to turn them off When activated the hazard LED and the indicator LEDs will flash in sync with the wheelchair s indicators 6 2 8 Lights Button and LED This button activates and ...

Page 12: ...then the polarity of the jack input is reversed to effect a fail safe system meaning this input will provide an External Profile Switch function and an Emergency Stop Switch function The Joystick Module is supplied with rubber bungs that must be inserted into the Jack Socket when no external device is connected 6 3 LCD Screen The status of the control system can be understood by observing the LCD ...

Page 13: ...rive screen for the R net has common components which will always appear and components that will only appear under certain conditions Below is a view of a typical Drive screen in Profile 1 7 1 Top Bar 7 1 1 Battery Indicator This displays the charge available in the battery and can be used to alert the user to the status of the battery Steady This indicates that all is well Flashing Slowly The co...

Page 14: ...Screen Area 7 3 1 Profile Name This is a text string that displays the name of the currently selected Profile 7 3 2 Clock This displays the current time in a numeric format The clock is user adjustable Adjustable options are ҏ Visibility whether the clock is displayed on screen ҏ The display format 12 or 24 hour ҏ The time the user can adjust the time These adjustments are made within the Settings...

Page 15: ...em Keypad Locking To lock the wheelchair using the keypad ҏ While the control system is switched on depress and hold the On Off button ҏ After 1 second the control system will beep Now release the On Off button ҏ Deflect the joystick forwards until the control system beeps ҏ Deflect the joystick in reverse until the control system beeps ҏ Release the joystick there will be a long beep ҏ The wheelc...

Page 16: ...htness of the backlight the background color and the behavior of the odometer The menu is accessed by depressing the Speed Down and Speed Up buttons simultaneously A typical Settings Menu display would be as below Each of the menu items are described in the following sections 8 1 Set Time A right joystick deflection will enter a clock adjustment screen in which further joystick deflections are use...

Page 17: ...e intensity of the LCD backlight The adjustable range is 0 to 100 in steps of 10 Adjustments are made with left and right joystick deflections 8 5 Background This sets the color of the screen background Blue is the standard but in very bright sunlight then a white background will make the display more visible The options are Blue White and Auto Left and right joystick deflections are used to chang...

Page 18: ...s Menu back to normal operation 9 Battery Charging To charge the wheelchair batteries connect the charger plug into the battery charger socket on the R net JSM You will not be able to drive the wheelchair when the charger is connected To connect the charger plug ensure the single pin is at the bottom as shown in the following illustration then offer the charger plug to the R net in a horizontal or...

Page 19: ...e wheelchair If you push the joystick before or just after you switch the control system on the screen will flash the joystick displaced screen You must release and center the joystick to resume normal operation If you do not release the joystick within five seconds the wheelchair will not be able to move even if you release the joystick and push it again The screen will display the diagnostic scr...

Page 20: ...ASSEMBLY Components Illustration www observer mobilityproduct com 20 ...

Page 21: ...rtation It may also require disassembly to make some comfort adjustments Figure 2 details those Parts of the power chair that are designed to be disassembled and assembled by an end user Or by a qualified caregiver before using the product or making comfort adjustment www observer mobilityproduct com 21 ...

Page 22: ...r from the axle See figure3 4 Pull the wheel off the axle 5 Remove the screws from the rim assembly and separate the front and rear rim See firgure4 6 Reassembly the rims and reinstall the screws 7 Slide the wheel back onto the axle Make sure that the key is in the axle slot 8 Reinstall the drive wheel nut and washer onto the axle and tighten 9 Remove the power chair from the blocks www observer m...

Page 23: ...ries then push the front couple batteries from the front of the base out to the half rear part of the base the slide them out See figure 5 9 Remove the battery harness from each battery 10 In stall a battery harness onto each new battery according to the battery wiring diagram Make sure that you connect the red wire to the positive battery terminal and the black wire to the negative battery termin...

Page 24: ...ensaver batteries are greatly reduced Not only is charging no longer required within one year prior to use it has an extended shelf life 400 of typical average lead acid batteries y Maintains high capacity under low temperatures Greensaver batteries are able to hold 70 75 of their total charge under temperatures of 10 c y Extended operating temperature range Able to withstand and operate under the...

Page 25: ...ed in more than 10 countries worldwide As attested such state of the art technology has never been witnessed until today and has thus received the highest grading as in all qualifications At the same time the electrolyte allows for enhanced capacity extended lifespan high current discharge superiority rapid recharge time and superior low temperature performances Our deep sea models have been teste...

Page 26: ...mal operating temperature range Needs ambient temperature adjustments No control needed from 50 C Environmental friendliness Allows for minor acid vapor No acid vapor at all Charging the batteries The battery charger is essential in providing long life for your electric wheelchair s batteries The battery charger is designed to optimize your electric wheelchair s performance by charging the batteri...

Page 27: ...chair and battery charger away from sources of ignition such as flames or sparks and provide adequate ventilation when charging the batteries Inspect the battery charger wiring and connectors for damage before each use 11 Do not attempt to open the battery charger case If the battery charger does not appear to be working correctly contact your authorized provider 12 Do not allow unsupervised child...

Page 28: ... be examined periodically for signs of corrosion caused by water exposure bodily fluids exposure or incontinence Damaged components should be replaced or treated immediately Should your electric wheelchair come in contact with water 1 Dry your electric wheelchair as thoroughly as possible with a towel 2 Allow your electric wheelchair to sit in a warm dry place for 12 hours to allow unseen water to...

Page 29: ...NG Even though the electric wheelchair has passed the necessary testing requirements for ingress of liquids you should keep electrical connections away from sources of dampness including direct exposure to water or bodily fluids and incontinence Check electrical components frequently for signs of corrosion and replace as necessary Daily Checks With the controller turned off check the joystick Make...

Page 30: ...d your Z Chair To check the brakes 1 Turn on the controller and turn down the speed level of your electric wheelchair 2 After one second check the battery condition meter Make sure that it remains on 3 Slowly push the joystick forward until you hear the electric brakes click Immediately release the joystick You must be able to hear each electrical brake operating within a few seconds of joystick m...

Page 31: ...ral boards under the frame of your electric wheelchair to raise it off of the ground during periods of prolonged storage This takes the weight off of the tires and reduces the possibility of flat spots developing on the areas of the tires contacting the ground Cleaning and Disinfection Use a damp cloth and mild non abrasive cleanser to clean the plastic and metal parts of your electric wheelchair ...

Page 32: ...y is in the axle slot 6 Reinstall the drive wheel nut and washer onto the axle and tighten 7 Remove the electric wheelchair from the blocks Battery Replacement A battery wiring diagram is printed on a decal located on the front battery tray See the Specifications Table for correct battery specifications WARNING Battery posts terminals and related accessories contain lead and lead compounds Wear go...

Page 33: ... Test Item Content for checking Handle Are they loosened Can they convolute from left to right Motor Is the moving sound abnormal Do the electromagnetic brakes work Dump Power of lead battery Do the indicator lamps shine Is the surplus of lead battery enough Horn Do the horns sound Seat Does the operating lever of seat work normally Can it convolute from left to right smoothly Screws Are they loos...

Page 34: ... a Do not operate according to the users manual b Do not maintain at the assigned repairing place c Exceeding the deadline of guarantee d Do not use the individual parts produced by our company e To rebuild the product without the authorized permission of our company f The loading capacity exceeds the maximum g Caused by the force major factor such as typhoon flood fire earthquake and war etc ԿΕ G...

Page 35: ...products with quality problems the domestic users can contact our Company directly and the overseas users can contact our distributors The distributors will deal with it according to the regulations and it will be effective after confirmed by our company www observer mobilityproduct com 35 ...

Page 36: ... TEL FAX Address The service center Authorized Signature Date Service Confirmation The responsible person of service center signature Date User Date Note Please fill in the service card by standard script It will be effective after seal the common seal of sale shop Please show the service card and the purchasing invoice to the local service center for maintaining If there are no repairing departme...

Page 37: ...eight 115mm Operation time 3 5h Seat High back Low back seat 20 19 18 Charging time 4 6h Height of obstacl to Span 150mm Brake Electromagnetic braking Stair curb climbable angle Max 25 Step height 110mm width 150mm Driving Motor 2 x 1200W Slope climbable angle Max 45 Level rack Motor 1 x 200W Turning radius 580mm Silicone Battery 12V 27AH ˈ4pcs Silicone power battery Electronics Level equipment pa...

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