Powered Scooter Owner
’
s Manual
KS-7 Series
□
KS-731
KS-741
KS-737.2L
KS-737.2
KS-747.2
Page 1: ...Powered Scooter Owner s Manual KS 7 Series KS 731 KS 741 KS 737 2L KS 737 2 KS 747 2 ...
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Page 3: ...riety of powered scooters to meet the many needs of the user However the responsibility of final selection of the type of powered scooter to be used by an individual rests solely with the user and his her healthcare professional capable of making such a selection KARMA recommends that powered scooter users NOT be transported in vehicles of any kind while in a powered scooter It is the position of ...
Page 4: ...r DO NOT shift your weight or sitting position toward the direction you are reaching as the powered scooter may tip over DO NOT use an escalator to move a powered scooter between floors Serious bodily injury may occur DO NOT operate in car lanes on roads streets highways etc DO NOT attempt to move up or down an incline with a water ice or oil film DO NOT attempt to ride over curbs or obstacles Doi...
Page 5: ...could cause the backrest to fold suddenly and may cause injury DO NOT tow the scooter by other vehicles cars motorcycles or bicycles etc Only use freewheel mode on flat surfaces since your electromagnetic brakes are not engaged in this mode without these brakes it will roll down a hill causing injury or damage Never drive under the influence of alcohol or medication DO NOT sit in the powered scoot...
Page 6: ... receptacle is encountered it is the personal responsibility and obligation of the customer to contact a qualified electrician and have the two prong receptacle replaced with a properly grounded three prong wall receptacle outlet in accordance with the National Electrical Code and local laws Do not use a n extension cord when charging your batteries A risk of fire and or electric shock could be en...
Page 7: ...ch component for hand hold supports DO NOT attempt to lift a powered scooter by any removable detachable parts Lifting by means of removable detachable parts may result in injury to the user or assistants or damage to the scooter ESCALATORS DO NOT use an escalator to move a powered scooter between floors Serious bodily injury and damage to the scooter may occur YOU AND YOUR KARMA SERVICE PROVIDER ...
Page 8: ...ed as a Class B mobility product for indoor and outdoor use This scooter is suitable for one single user up to 135 kg in weight 160 kg for KS 737 2L It also has an extremely durable aluminum alloy frame with tough accessory and does not suffer in dramatic extremes of temperature neither user nor attendant need touch metal parts in normal use Check with your local government as to legislation perta...
Page 9: ...ered Vehicle Electromagnetic Interference EMI 8 3 4 Warnings 8 3 5 Important Information 9 4 PARTS 10 5 OPERATION 14 5 1 Control Panel 14 5 2 How to Operate Your Scooter 14 5 3 Speed Dial 14 5 4 Forward Reverse and Braking 15 5 5 Turn Signal Buttons 15 5 6 Horn Button 15 5 7 Headlight Taillight Button 15 5 8 Electromagnetic Brake 15 5 9 Driver s Seat See Figure 5 5 16 5 10 Headrest Adjustment 16 5...
Page 10: ...Adjusting the Seat Height 39 7 15 Adjusting the Seat Height KS 737 2L 40 8 OPTIONAL ACCESSORIES 41 9 TROUBLE SHOOTING 42 9 1 Status Indicator LED and Battery Diagnostics Indicator 42 10 SPECIFICATIONS 45 10 1 KS 737 2 Static Stability Test Result 51 10 2 KS 747 2 Static Stability Test Result 51 10 3 KS 737 2L Static Stability Test Result 51 10 4 KS 731 Static Stability Test Result 51 10 5 KS 741 S...
Page 11: ...ial attention to the parts marked with these symbols WARNING Improper use could lead the user to severe injury or death CAUTION Improper use could lead the user to severe injury and or damage to your scooter SUGGESTION Follow these instructions to keep the scooter in good condition 1 3 This manual includes the repair and maintenance chart as well as the Warranty Please keep it in a safe place or w...
Page 12: ...er at night 2 2 7 Please follow pedestrian traffic lights 2 3 Practice Driving 2 3 1 Before you are familiar with the operation of your scooter please practice in a wide and open area like a park 2 3 2 To avoid falling off your scooter please practice all kinds of driving motions such as accelerating stopping turning reversing and going up and down ramps 2 3 3 Please set the speed to medium when y...
Page 13: ...ad Crossing See Figure 2 3 Before crossing the tracks please stop completely and look both ways Cross the tracks perpendicular to avoid your wheels getting stuck Do not drive at full speed over railroad tracks Figure 2 1 Figure 2 2 Figure 2 3 2 10 Circumstances to Avoid 2 10 1 Avoid roads with heavy traffic mud excessive gravel or bumps snow and ice These conditions may damage your scooter 2 10 2 ...
Page 14: ...tion 10 SPECIFICATIONS 2 12 5 Do not cross a ditch wider than 5 inches as the wheels might get stuck See Figure 2 7 2 12 6 Please lower your speed when driving down a hill 2 12 7 Do not make sudden turns when driving on gravel roads or ramps 2 12 8 Please refer to Maximum Obstacle Climbing Ability in Section 10 SPECIFICATIONS for your scooter s maximum obstacle curb climbing height Exceeding this ...
Page 15: ...ming get out of its way immediately If no train is coming set the scooter in freewheel mode and push the scooter off the tracks 2 13 Maximum User Weight Limit 2 13 1 Refer to Max User Weight in Section 10 SPECIFICATIONS 2 13 2 Loading exceeding max user weight can damage your scooter and cause malfunctions yielding a safety hazard The warranty does not cover damage caused by improper operation of ...
Page 16: ...pecification of the exact Maximum User Weight applicable for each model in KS 7 series scooters 2 Label position below the Model No label of the scooter Circuit Breaker Press To Reset Circuit Breaker 1 In the cases when the circuit breaker has tripped please press it to reset 2 Label position next to the circuit breaker Freewheel Lever 1 Follow the instruction to engage or release the freewheel le...
Page 17: ...nently damage the powered vehicle s control system The intensity of the interfering EM energy can be measured in volts per meter V m Each powered vehicle can resist EMI up to certain intensity This amount of resistance 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 ...
Page 18: ...red Vehicle Electromagnetic Interference EMI Because EM energy rapidly becomes more intense as one moves closer to the transmitting 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 too close to the powered vehicle s control system while using these devices This can affect your powered...
Page 19: ...red scooter 3 4 4 Be aware that adding accessories components or modifying the powered vehicle may make it more susceptible to EMI There is no easy way to evaluate their effect on the overall immunity of the powered vehicle 3 4 5 Report all incidents of unintended movement or brake release to your powered vehicle dealer or KARMA and note whether there was a source of EMI nearby 3 5 Important Infor...
Page 20: ...cline Lever 5 Driver s Seat 6 Knob Bolt 7 Rear Casing 8 Rear Wheel s 9 Floorboard 10 Swivel Lever 11 Slide Lever 12 Rear View Mirrors 13 Nameplate Casing 14 Turn Signals 15 Steering Column Adjustment Lever 16 Basket 17 Headlight 18 Front Casing 19 Front Bumper 20 Front Wheel s ...
Page 21: ...11 21 Ignition Socket 22 Circuit Breaker 23 Charging Socket 24 Turn Signals 25 Freewheel Lever 26 Anti tippers ...
Page 22: ...rest 3 Armrests 4 Recline Lever 5 Driver s Seat 6 Rear Casing 7 Rear Wheel s 8 Floorboard 9 Swivel Lever 10 Rear View Mirrors 11 Nameplate Casing 12 Handle Bar 13 Turn Signals 14 Basket 15 Headlight 16 Front Casing 17 Front Wheel s 18 Front Bumper ...
Page 23: ...13 19 Freewheel Lever 20 Anti tippers 21 Taillight 22 Turn Signals 23 Circuit Breaker ...
Page 24: ...d yourself counter clockwise to turn the scooter OFF Make sure you come to a complete stop before you turn the scooter OFF See Figures 5 1 and 5 2 Figure 5 1 Figure 5 2 KS 737 2 KS 737 2L KS 747 2 KS 731 KS 741 5 3 Speed Dial 5 3 1 Allow you to set various forward and reverse speeds See Figures 5 3 and 5 4 5 3 2 The settings are not traditional gears but are a percentage of maximum power 5 3 3 Thi...
Page 25: ...lectromagnetic brake will be activated to stop the vehicle 5 5 Turn Signal Buttons 5 5 1 The signal light will flash and a small speaker will make a beep beep sound if you press either the right or left button 5 5 2 Press the button again to turn off the turn signal 5 6 Horn Button 5 6 1 The horn will sound for the duration of time the button is pressed 5 7 Headlight Taillight Button 5 7 1 The hea...
Page 26: ...ou to fold the seat down Figure 5 5 See Section 7 14 and 7 15 for the instructions on how to adjust the seat height WARNING While driving the recline angle could not exceed 105 degrees CAUTION Be sure to rotate the seat to the forward position and the seat locks into place before driving 5 10 Headrest Adjustment 5 10 1 To raise the headrest lift the headrest up to the desired position 5 10 2 To lo...
Page 27: ...topping and climbing will consume more power and drain your batteries faster than steady conservative driving Figure 5 7 Figure 5 8 KS 737 2 KS 737 2L KS 747 2 KS 731 and KS 741 SUGGESTION It is recommended that you charge the batteries immediately when the battery indicator shows only three or less red lines After charging or replacing new batteries drive the vehicle for 2 3 minutes to make sure ...
Page 28: ... 12 How to Set the Freewheel Mode 5 12 1 Drive Mode pull the lever completely up then the scooter can be driven by motor power See Figure 5 9 and Figure 5 11 5 12 2 Freewheel Mode pull the lever completely down then the scooter can be pushed manually Again the electromagnetic brake does not work in freewheel mode See Figure 5 10 and Figure 5 12 Figure 5 9 Drive Mode Figure 5 10 Freewheel Mode Figu...
Page 29: ...nd See Figure 5 14 5 13 1 5 Be sure the steering column is securely locked into position otherwise you may fall from the scooter and get injured Figure 5 13 Figure 5 14 5 13 2 Type 2 Rotating Steering Column Adjustment 5 13 2 1 Pull the steering column adjustment lever until its locking mechanism releases See Figure 5 15 513 2 2 While holding the adjustment lever in and holding on to the handlebar...
Page 30: ...elease the adjustment lever the steering column will lock in place You may have to move the steering column slightly up or down to hear it click into the locked position See Figure 5 18 Figure 5 17 Figure 5 18 5 13 4 Type 4 Push down Level Steering Column Adjustment 5 13 4 1 Pull down the level until its locking mechanism releases 5 13 4 2 While holding the adjustment lever you can raise or lower ...
Page 31: ...ion 5 14 8 Make sure the electromagnetic brake is in good working order 5 14 9 Always make sure that your surroundings are safe to operate the scooter CAUTION Do not pull both variable speed levers simultaneously since you might not be able to control your scooter and may cause permanent damage Do not turn the ignition OFF while driving as this will lead to an abrupt stop and possible injury Do no...
Page 32: ...otential for sudden acceleration that may lead to injuries or accidents Please accelerate slowly while driving carefully Due to the higher speeds of KS 7 series scooter be careful not to make too tight of a turn Hard turns at high speeds may cause your scooter to roll or tip Karma is not responsible or liable for reckless driving by users 5 16 To Stop 5 16 1 Release the variable speed lever comple...
Page 33: ... to reach your final destination 6 3 Be sure to precisely follow the procedures listed below 6 3 1 Turn the scooter OFF and remove the key 6 3 2 Connect the charger s cord to a power outlet 6 3 3 Open the charging socket cap on the steering column Then connect the charger s round plug to the charging socket See Figure 6 1 6 3 4 Turn on the charger with the power switch 6 3 5 Both the charger s red...
Page 34: ... a general rule recharge batteries as frequently as possible to assure the longest possible life and to minimize required charging time Plan to recharge them when use of the powered scooter is not anticipated Please follow the guidelines below to avoid accidents while charging 1 Be sure to only use a KARMA Scooter charger and charge the battery completely every time The battery can be damaged if a...
Page 35: ...al operation Extensive use on inclines may substantially reduce per charge mileage 6 4 Charger The battery charger supplied by Karma is for indoor use only it must be protected from moisture and external heat source CAUTION Before charging make sure to set the 115V 230V switch to match the local AC voltage If the switch is improperly set to a lower or higher voltage position it will cause damage t...
Page 36: ...ies keep all foreign objects especially metal away from battery terminals 6 6 Removing Installing the Batteries Always have a KARMA provider install new batteries when moving a battery ALWAYS hold it by its handle It is the most convenient method and also helps to prolong the life of the battery DO NOT tip the batteries Keep the batteries in an upright position The use of rubber gloves and chemica...
Page 37: ...Remove the batteries and cable assemblies from the scooter 6 6 7 If necessary lift the battery terminal insulator boot off the battery terminal you will need a crescent wrench 6 6 8 Position and secure battery cables onto new battery terminals Connect the black cable to the negative terminal Connect the red cable to the positive terminal WARNING Always connect the black cable to the negative termi...
Page 38: ...the scooter 6 6 12 Charge the batteries 1 Battery Wiring Connector 2 Battery Cable 3 Battery Terminal Insulator 4 Battery Terminal 5 Lock Washer 6 Bolt 7 Battery Handle 8 Nut Figure 6 3 6 7 Cleaning the Batteries If a battery is contaminated by dirty water battery acid dust or other soil the battery will discharge quickly Therefore please follow the following steps to clean the battery 6 7 1 Turn ...
Page 39: ...come in contact with skin clothes or other items It is a form of acid and may cause harmful or damaging burns Should the liquid come into contact with skin rinse the area immediately and thoroughly with cool water If liquid comes into contact with eyes flush eyes immediately and seek medical attention as soon as possible The use of rubber gloves and chemical goggles are recommended when working wi...
Page 40: ...s lead and other chemicals may leach into streams and rivers destroying ecosystems and poisoning local water resources Improper disposal of batteries may also cause injury to unsuspecting others that come in contact with them If you come in contact with fluids or corroded powder from a battery rinse with water and contact a physician if necessary If contact with eyes occurs rinse for 15 minutes an...
Page 41: ... be adjusted freely and does it function well Variable Speed Levers Does the scooter move when a lever is pressed Does the scooter stop when the lever is released completely Motor Is there any abnormal motor noise Does the electromagnetic brake work properly Freewheel Mode Does the freewheel lever work properly Battery Indicator Does it light up when the power is ON Is there enough power for your ...
Page 42: ... Levers I I X I X I X Speed Dial and Other Buttons I I I Connection to the Electrical System I I I Variable Speed Levers I I X I X Motor Operation and Noise I I X I X Electromagnetic Brakes I I X I X Connection to the Electrical System I Δ Coupling between motor and differential I I Δ I Δ I Δ I Δ Transmission Freewheel Mode Lever I I Batteries Loose or Corroded Terminals I T T Connection to the El...
Page 43: ...es Fuses and Tires 7 3 1 Batteries Refer to Section 6 BATTERIES AND CHARGER 7 3 2 Fuses 7 3 2 1 There are three fuses on your scooter 7 3 2 2 Two are located inside of the control panel 0 5A 3A on PCBA the other is near the batteries 5A 7 3 2 3 If the ignition is turned ON and the battery indicator does not work the light bulbs do not light up or your scooter won t work have your KARMA dealer chec...
Page 44: ... and usage handling 7 4 General Maintenance 7 4 1 You must maintain the vehicle more frequently if you often drive on grass sand or gravel roads 7 4 2 Do not use water oil or other chemical solutions to clean your scooter Be sure NOT to spray the vehicle with water as not to damage the electronic components and PC circuit board Please clean the vehicle by wiping it with either a dry or moist cloth...
Page 45: ...hould be checked periodically for cracks and wear and should be replaced by a qualified technician 7 5 5 Regularly check for loose nuts and or bolts in the front and rear wheels If they are loose have them adjusted by a qualified technician 7 5 6 Clean the dirt dust and grease from exposed components 7 5 7 A qualified technician can be found with an authorized distributor dealer 7 6 Transporting a...
Page 46: ...atteries by disconnecting them from the central relay box See Figures 6 5 and 7 1 7 7 1 6 Remove the rear casing 7 7 1 7 Tilt down the steering column all the way See Figure 7 2 Figure 7 1 Figure 7 2 7 8 Removing Installing the Seat 7 8 1 Please refer the components of the seat see Figure 7 3 and follow the below instructions ...
Page 47: ...into the frame post with the seat in the forward position 7 10 2 Reinstall the stability knob and hand tightens until snug If the ride is shaky check to see if the stability knob is tight 7 11 Removing the Seat KS 737 2L 7 11 1 Lift the swivel lever all the way up 7 11 2 Pull up on the swivel lever and seat until it detaches from the frame post see Figure 7 5 Figure 7 5 Installing the Seat KS 737 ...
Page 48: ...vice manuals and technical know how to assure your safety through a proper installation Karma does NOT recommend installation of a pelvic belt by anyone other than an authorized Karma service provider Figure 7 6 7 13 Removing Installing The Rear Casing 7 13 1 Removing To install the rear casing reverse the following procedure 7 13 1 1 Remove the seat 7 13 1 2 Slowly remove the rear casing and plac...
Page 49: ... both bolts from the two frame posts You might want to disconnect the batteries to allow more room to work Place the pin in the desired hole and move the wiring back into its place Then install the seat following the previous instruction Mission accomplished 7 14 3 Slide the upper frame post up or down to the desired position Place the seat height adjustment bolt in the lowest hole of the upper fr...
Page 50: ...dded stability It only goes through the front side of both frame posts The lower bolt goes all the way through both frame posts and sets the seat height It is not threaded as it passes through the seat posts but has a hex nut on the backside The seat post rests in the frame post There are four holes in the frame post to allow you to adjust the seat height to 18 46 cm 19 48 5 cm or 20 51 cm 7 15 2 ...
Page 51: ...he seat following the previous instructions 8 OPTIONAL ACCESSORIES 8 1 Folding Drink Holder Figure 8 1 8 1 1 Attaches to all KARMA scooters 8 1 2 Collapses and adjusts to the size of the container 6 10 cm 8 2 Cane Holder Figure 8 2 8 2 1 Suitable for KARMA scooters 8 3 Sun Canopy Figure 8 3 8 3 1 Compatible with all KARMA scooters Except KS 333 KS 343 8 4 Storage Box Kit Figure 8 4 8 3 1 Suitable ...
Page 52: ...and Battery Diagnostics Indicator 9 1 1 During the first half second after the scooter is switched on the central relay box controller is performing important safety checks within itself and the rest of the scooter s electrical system Therefore if you push the variable speed lever during this time you will not be able to drive until you have returned the variable speed lever to the rest position T...
Page 53: ...s Indicator Battery Voltage The batteries need charging or there is a bad connection to the batteries Check the connections between the central relay box and the batteries If the connections are good try charging the batteries Motor Disconnected There is a bad connection to the motor Check all connections between the motor and the central relay box Motor Wiring Trip The motor has a short circuit t...
Page 54: ...eck the parking brake and motor connections Make sure the controller connections are secure Battery Connection An excessive voltage has been applied to the controller This is usually caused by a poor battery connection Check the battery connections ...
Page 55: ...verall Height 110 117 cm 43 46 inches Total Weight 100 kg 220 lb Weight W O Batteries 69 7 kg 153 lb Motor 550W x1 Batteries 12V 50Ah x2 sealed lead acid Charger DC24V 6A 8A optional off board Wheel Size Front 10 x 1pc Wheel Size Rear 12 x 2pcs Drive System Direct Rear Wheel Drive with differential gear Brake System Dual Regenerative and Electromagnetic Brakes Control Method Variable Speed Levers ...
Page 56: ...eight 110 117 cm 43 46 inches Total Weight 105 9 kg 233 lb Weight W O Batteries 74 3 kg 163 lb Motor 550W x1 Batteries 12V 50Ah x2 sealed lead acid Charger DC24V 6A 8A optional off board Wheel Size Front 12 x 2pcs Wheel Size Rear 12 x 2pcs Drive System Direct Rear Wheel Drive with differential gear Brake System Dual Regenerative and Electromagnetic Brakes Control Method Variable Speed Levers Max S...
Page 57: ...l Height 136 141 cm 54 56 inches Total Weight 121 4 kg 267 6 lb Weight W O Batteries 71 kg 156 5 lb Motor 700W x1 Batteries 12V 75Ah x2 sealed lead acid Charger DC24V 8A off board Wheel Size Front 10 x 1pc Wheel Size Rear 14 x 2pcs Drive System Direct Rear Wheel Drive with differential gear Brake System Dual Regenerative and Electromagnetic Brakes Control Method Variable Speed Levers Max Speed 15 ...
Page 58: ...verall Height 127 5 cm 50 inches Total Weight 95 kg 273 6 lb Weight W O Batteries 60 kg 132 lb Motor 550W Batteries 12V 50Ah x2 sealed lead acid Charger DC24V 6A off board Wheel Size Front 10 x 1pc Wheel Size Rear 12 x 2pcs Drive System Direct Rear Wheel Drive with differential gear Brake System Dual Regenerative and Electromagnetic Brakes Control Method Variable Speed Levers Max Speed 13 km hr 8 ...
Page 59: ...ll Height 129 5 cm 51 inches Total Weight 106 kg 233 6 lb Weight W O Batteries 71 kg 156 5 lb Motor 550W Batteries 12V 50Ah x2 sealed lead acid Charger DC24V 6A off board Wheel Size Front 12 x 2pcs Wheel Size Rear 12 x 2pcs Drive System Direct Rear Wheel Drive with differential gear Brake System Dual Regenerative and Electromagnetic Brakes Control Method Variable Speed Levers Max Speed 13 km hr 8 ...
Page 60: ...ontrol team sets the parameters of your central relay box controller for optimum performance within the regulations of EN 12184 These parameters were double checked by the QC team before your scooter left our factory These parameters may be changed to suit certain individuals specific needs and requirements If you need the parameters changed please contact your dealer who will put you in contact w...
Page 61: ...tic Stability Downhill N A 30 Static Stability Sideway 18 21 10 3 KS 737 2L Static Stability Test Result The degree tolerance is 0 1 degree The test condition size of test dummy used 160 kg 353 lb Test Requirement Min Max Static Stability Uphill 17 27 Static Stability Downhill N A 30 Static Stability Sideway 18 21 10 4 KS 731 Static Stability Test Result The degree tolerance is 0 1 degree The test...
Page 62: ...o not recommend you do this often as it may shorten the life of your scooter or cause damage 11 1 6 Driver s seat upholstery use soapy water Wring out the sponge cloth before scrubbing Do not use the scooter until it is dry 11 1 7 Frame wipe with a damp cloth but be sure not to splash spray the scooter with water as doing so may damage the motor electrical wiring and battery 11 1 8 If compressed a...
Page 63: ...do not have access to the world wide web please use your local phone directory ask for operator assistance or go to your local government center for more information 11 2 6 Various parts of this scooter should be recycled to the collection and recycling location nearest to you Earth Day is every day Check with your local recycling center on where and how to recycle used batteries as this informati...
Page 64: ...t your local dealer for detailed information 12 4 Items Not Covered The items listed below are not covered 12 4 1 Consumable parts such as brake shoes or pads clutch shoe and lining light bulbs fuses upholstery and seating brake cable oil seal packing and gasket screws bolts and washers lubricant oil and grease carbon brush inside the motor battery liquid footrest carpet et cetera 12 4 2 Those tha...
Page 65: ...r used 12 5 7 Damage or surface corrosion from environmental factors such as airborne fallout chemicals tree sap et cetera stones hail windstorms lighting floods and so on 12 5 8 Change of any material or component parts not authorized by KARMA Don t carry objects that may lead to the scooter being unbalanced 12 5 9 The scooter shall not be pulled or pushed by another vehicle when there is a perso...
Page 66: ...e to the dealership where the scooter was purchased for registration Warranty Form You may photocopy this from Full Name Gender Date of Birth Year Month Day Address Model No KS 731 KS 741 KS 747 2 KS 737 2L KS 737 2 Serial Number Date of Purchase Year Month Day Purchaser Signature Dealer s Data Name of the Store Phone No and Address If you have any suggestions on how to improve our products please...
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Page 68: ...Karma reserves the right to modify information herein without further notice 110404050037104 45502 Rev 21 2017 08 ...
