Ki Mobility Ethos Technical Manual
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Ki Mobility Ethos Technical Manual

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  • Page 2 This technical manual is designed to aid in the different procedures that may be needed for the Ethos wheelchair. This technical manual does not replace, but aids the owner manual, adjustment guides and instructions. The procedures shown in this technical manual should only be performed by an Assistive Technology Practitioner (ATP) or clinical professional trained to do wheelchair repairs, adjustments and retrofits.

  • Page 3: Table Of Contents

    Table of Contents Tools ....................... 3 Calf Strap Mount Installation and Adjustment ..........4 T-Arm Installation and Adjustment ..............5 Swing Away Arm Installation and Adjustment ..........7 Seat Frame Replacement ................9 Base Frame Replacement................12 ISO Tech Polymer Replacement..............14 Highlight Kit.....................

  • Page 4: Tools

    Tools See the list below to identify the tools needed throughout this tech manual. Always check tools to ensure the ends are not stripped and that the tool can perform it’s function properly without damaging any parts or hardware on the chair. Tools Needed •...

  • Page 5: Calf Strap Mount Installation And Adjustment

    Calf Strap Mount Installation and Adjustment 1. Install the calf strap mount clamps (A) onto the seat frame. With the screws removed, the clamps will open far enough to slide over the frame tube. 2. Secure the calf strap mount clamps in place by retightening the screws with a #2 Phillips screwdriver. Set to the height configuration needed for the chair user.

  • Page 6: T-Arm Installation And Adjustment

    T-Arm Installation and Adjustment NOTE: Remove any seat upholstery and/or cushions before beginning. 1. Install the T-Arm receiver (A) and clamp (B) onto the seat frame with two washers (C) and two bolts (D) using a 5mm Allen wrench. Ensure the detents on the clamp (B) align with the indents on the frame as you tighten.
  • Page 7 T-Arm Installation and Adjustment 4. To rotate the arm pad (A), release the T-Arm post latch (B) and lift the post out. Rotate the post and reinstall. Secure in place by reengaging the latch. 5. To remove the T-Arm assembly, pull the lever (A) up and lift the T-Arm assembly up and out of bracket. NOTE: When your seat upholstery is reinstalled, spacers are used with each screw to allow clearance for the T-Arm Bracket.

  • Page 8: Swing Away Arm Installation And Adjustment

    Swing Away Arm Installation and Adjustment 1. Remove the backrest plate (D) from the frame by removing two bolts (B), two washers (C), saddle back (F), two saddles (G), two washers (H) and two nuts (I) using a 4mm Allen wrench and a 10mm wrench. Remove backrest plate from back cane by removing shoulder bolt (A), two saddles (E), washer (J) and nut (K) using a 5mm Allen wrench and a 10mm wrench.
  • Page 9 Swing Away Arm Installation and Adjustment 3. Install each swing away armrest into the mount plate opening. 4. To adjust the height of the swing away arm, remove two screws (A) and insert (B) using two 4mm Allen wrenches. There are two available swing away arm heights available - short (can be adjusted 8.5" to 10.5") and tall (can be adjusted 10.5"...

  • Page 10: Seat Frame Replacement

    Seat Frame Replacement NOTE: This section will go from complete chair to replacing the whole seat frame. Some sections can be skipped depending on how many assemblies you are replacing during the process. 1. Remove hardware that attaches backrest to seat frame. Repeat on opposite side and remove backrest assembly.
  • Page 11 Seat Frame Replacement 3. Remove any remaining parts or accessories (such as underseat pouch, wheel locks, armrest clamps, etc.) from the seat frame that you will be transferring to the new seat frame. 4. Transfer parts and/or accessories that were removed in step 3 to the new seat frame. 5.
  • Page 12 Seat Frame Replacement 6. Reinstall the backrest assembly in the same position as before or a new position if desired. Reinstall with two bolts, two small washers, two saddles, two large washers and two nuts per bracket using a 5mm Allen wrench and a 10mm wrench. Repeat on opposite side.

  • Page 13: Base Frame Replacement

    Base Frame Replacement NOTE: This section will go from complete chair to replacing the base frame. Some sections can be skipped depending on how many assemblies you are replacing during the process. 1. Remove wheels. 2. Loosen the four seat frame clamp bolts (A) with a 4mm Allen wrench until the seat frame can be removed from the base frame.
  • Page 14 Base Frame Replacement 4. Remove front lower base frame assembly by removing two screws and a barrel nut per side using two 3mm Allen wrenches. 5. If needed, remove the camber tube (C) by removing two camber clips (B) first. Next, loosen the camber tube clamp screws (A) using a 5mm Allen wrench and slide the camber tube out one side.

  • Page 15: Iso Tech Polymer Replacement

    ISO Tech Polymer Replacement 1. Remove bolt (A), washer (B) and nut (C) from the front ISO Tech Tower using a 4mm Allen wrench and a 10mm wrench. Repeat on opposite front ISO Tech Tower. Once the bolt is removed from both front ISO Tech Towers the seat can hinge backwards on the rear ISO Tech Towers.
  • Page 16 ISO Tech Polymer Replacement 2. Push the elastomers (A) that you are replacing, out of the tower and push in new elastomers. Ensure edges of elastomer line up with the groove inside the tower. See the chart below to help determine which elastomers suit the type of ride you desire, soft or firm, based on the user weight and the chair center of gravity.
  • Page 17 ISO Tech Polymer Replacement 3. Reinstall the two washers (A) and insert (B) and slide the ISO Tech Tower back over to keep hardware in place. Reinstall bolt (C), washer (D) and nut (E) using a 4mm Allen wrench and a 10mm wrench to secure ISO Tech Tower in place.

  • Page 18: Highlight Kit

    Highlight Kit This section will show to replace/switch the bushings that are a part of the highlight kits. Vertical Bushings 1. The four vertical bushings (A) are accessed by removing two screws and a barrel nut on the ISO tech towers using two 3mm Allen wrenches.

  • Page 19: Center Of Gravity (Cog) And Caster Position

    Center of Gravity (COG) and Caster Position The Center of Gravity (COG) and Caster Position are related to each other. The process of making both adjustments is demonstrated below. See the diagrams and charts below to determine the holes used to reach desired configuration.
  • Page 20 Center of Gravity (COG) and Caster Position Dimension A - Distance from front of back post to center of rear axle. 1A 1B Standard Rear Base Frame 1A 1B Standard Rear Base Frame - Up Standard Rear Base 1A 1B Frame - Down Amputee Rear Base...
  • Page 21 Center of Gravity (COG) and Caster Position 1. To change Dimension A for a Center of Gravity adjustment, loosen the four ISO clamp screws (A) using a 5mm Allen wrench. Slide the seat frame to desired position and retighten the four ISO clamp screws. Ensure detents on clamps align with the indents on the frame as you move the seat frame and tighten.

  • Page 22: Changing Seat Pan

    Changing Seat Pan 1. Remove seat pan by removing screws using a #2 Phillips screwdriver. 2. Install new seat pan with screws removed in step using a #2 Phillips screwdriver. Changing Seat Sling 1. Remove seat sling by removing screws using a #2 Phillips screwdriver. 2.

  • Page 23: Installing And Adjusting Anti-Tips

    Installing and Adjusting Anti-Tips Rear Anti-Tips 1. Remove wheels. 2. Remove camber clips off of both sides of camber tube. Loosen the hardware on the camber tube clamps using a 5mm Allen wrench. 3. Slide the camber tube out of one side of the camber tube clamp. Slide the two anti-tip receivers (A) onto the camber tube and slide the camber tube back through the camber tube clamp.
  • Page 24 Installing and Adjusting Anti-Tips 4. Mount the anti-tip receivers flush against the camber tube clamps so the holes align and loosely secure in place with two bolts (B) and two lock washers (A) using a 4mm Allen wrench. Do not tighten hardware fully yet.
  • Page 25 Installing and Adjusting Anti-Tips User Activated Anti-Tips 1. Remove wheels. 2. Remove camber clips off of both sides of camber tube. Loosen the hardware on the camber tube clamps using a 5mm Allen wrench. 3. Slide the camber tube out of one side of the camber tube clamp. Slide the two user activated anti-tips (A) onto the camber tube and slide the camber tube back through the camber tube clamp.
  • Page 26 Installing and Adjusting Anti-Tips 4. Mount the User Activated anti-tip receivers flush against the camber mounts so the holes align and loosely secure in place with two bolts (A) and two lock washers (B) using a 4mm Allen wrench. Do not tighten hardware fully yet.
  • Page 27 Installing and Adjusting Anti-Tips 6. User Activated anti-tip height can be adjusted by extending the tube by pushing the indent button (A) and sliding tube up or down until indent button clicks into one of the holes. Push indent button (A) in and slide tube up or down.

  • Page 28: Camber And Camber Tube

    Camber and Camber Tube Changing Wheel Camber 1. Remove wheels. 2. Remove camber tube clips (B) and loosen camber tube clamp screws (A) using a 5mm Allen wrench. 3. Remove camber plug assembly from camber tube. 4. Remove axle sleeve and washer from camber plug using an adjustable wrench. NOTE: Camber plug may be ordered in a complete assembly.
  • Page 29 Camber and Camber Tube 5. Install the axle sleeve and washer into the new camber plug using an adjustable wrench. Camber plugs come in five different degree variants from 0 to 8 degrees in two degree increments. 0 Degrees 2 Degrees 4 Degrees 30 in/lbs.
  • Page 30 Camber and Camber Tube Changing Camber Tube 1. Remove camber clips (A). 2. Loosen two bolts (A) on the camber clamps using a 5mm Allen wrench. If loosened too much, be sure to watch for the square nut in case it drops out.
  • Page 31 Camber and Camber Tube 3. Slide the camber tube assembly out of the camber clamps. 4. Slide the camber plug assembly out of the camber tube. 5. Reinstall camber plug assembly into the new camber tube. NOTE: Camber tubes are available in 12", 13", 14", 15", 16", 17", 18", 19" and 20" sizes which correspond with the chair width.
  • Page 32 Camber and Camber Tube 6. Slide the camber tube assembly into the camber clamps and center the camber tube. 7. Slide the camber plugs to the desired rear wheel spacing. Repeat on opposite side and ensure the spacing is the same on both sides. NOTE: The dimples on the camber plugs demonstrate the amount of spacing available on the camber plug in 1/4"...
  • Page 33 Camber and Camber Tube 8. Ensure the flat sides of the camber tube are perpendicular to the ground. See the Setting Toe to Zero section if needed. See image below. Flat part of Towards Front - tube is Wheels In perpendicular to ground.

  • Page 34: Setting Toe To Zero

    Setting Toe to Zero NOTE: A wheelchair equipped with 0° camber plugs cannot have a toe-in toe-out condition. This adjustment is only required when using 2°, 4°, 6° and 8° camber adapters. Toe refers to how well the rear wheels of the chair are aligned relative to the ground. It affects how well the chair will roll.

  • Page 35: Caster Adjustment

    See the two tables below for information on going from your existing option to the new option. NOTE: Ethos chairs ship with a zero degree insert. NOTE: Changes that are equal or less than a ½" of vertical change should not require an angle sleeve change.
  • Page 36 Caster Adjustment 1. Remove screw on caster mount with a 3mm Allen wrench. 2. Replace the caster sleeve with the new caster sleeve based on the angle adjustment desired. See image below for more details. NOTE: As a result of changes to chair setup and to resquare casters, a change to the caster sleeve may be required.
  • Page 37 Caster Adjustment 3. Reinstall caster sleeve onto caster wheel assembly and install into the caster mount and caster arm. Secure with screw using a 4mm Allen wrench. 4. Repeat steps on opposite side. 5. Verify correct angle has been achieved. NOTE: The caster housing is recommended to be at a 90°...

  • Page 38: Caster Wheels And Forks

    Caster Wheels and Forks Streamline Forks 1. See the image below for an exploded diagram of an assembled caster wheel. Two 4mm Allen wrenches are needed to remove the two bolts that secure the caster wheel. Streamline Fork...

  • Page 39: Backrest

    Backrest Replacing Backrest Plate 1. Remove the two bolts, two small washers, two saddles, two large washers, two nuts and the saddle arm from the lower half of the backrest plate using a 5mm Allen wrench. Repeat on opposite side. 2.
  • Page 40 Backrest 3. Install new backrest plate (B) onto back post with bolt (A), two saddles (C), washer (D) and nut (E) using a 3mm Allen wrench and an 8mm wrench. Ensure backrest stop (F) catches backrest hook (G) as shown below. Repeat on opposite side. NOTE: A transit backrest plate is shown in the steps below.
  • Page 41 Backrest Adjusting Backrest Angle 1. To adjust the backrest angle, remove screw (D) and lock washer (C) shown below with a 3mm Allen wrench. Loosen the arc adjustment cam screw (B) just enough so that the arc adjustment cam can be rotated.

  • Page 42: Side Guard

    Side Guard Installing Side Guard 1. Install receiver side guard clamps on the seat frame with two bolts and two washers using a 5mm Allen wrench. Repeat on opposite side. Ensure detents on clamps align with the indents on the frame as you tighten.
  • Page 43 Adjustable Fender Size Guard Fender size guard panel size needed to fit an Ethos is driven by the height of the tire over the seat. To calculate this, use the formula listed below. Once you have the output of the formula, use the reference matrix to find the appropriate panel and post sizes.

  • Page 44: Handrim Configurations

    Handrim Configurations NOTE: Not all wheels listed below are available for specific models. See an order form or the online parts manual for more information on your specific chair model. Handrim Hardware Chart Wheel Handrim Connection Handrim Wheel Natural Connection Aluminum Plastic Natural...

  • Page 45: Handrim Construction

    Handrim Construction The sequencing of hardware for the three styles of handrims is shown below. The specific hardware used is determined in the chart on the previous page, based on the tire and handrim being used. Spacer Style Detached Tab Style Tab Style...

  • Page 46: Front And Rear Seat Height

    Front and Rear Seat Height 1. Slide the ISO Tube assemblies up or down to achieve desired front seat height by removing two screws and a barrel nut per assembly using two 3mm Allen wrenches. Reinstall the hardware in the correct corresponding holes for desired height to secure in place and ensure bushings (plastic inserts) are pushed all the way down.

  • Page 47: Installing Transit

    Installing Transit Remove Backrest 1. Remove the two bolts (A), two small washers (B), two saddles (D), two large washers (E), two nuts (F) and the saddle arm (C) from the lower half of the backrest plate using a 5mm Allen wrench. Repeat on opposite side.
  • Page 48 Installing Transit Remove Seat Frame 1. Loosen, but do not remove, the seat frame clamp bolts (A), four in total on the chair, using a 4mm Allen wrench. Lift seat frame up and off. Lift seat frame up and off 2.
  • Page 49 Installing Transit Installing Transit Seat Frame 1. Install any parts or accessories (such as underseat pouch, wheel locks, armrest clamps, etc.) that you removed from the previous seat frame onto the new seat frame. See image below for some examples. 2.
  • Page 50 Installing Transit Installing Transit Backrest Plate 1. Install new transit backrest plate onto back posts with two bolts (A), four saddles (B), two washers (C) and two nuts (D) using a 3mm Allen wrench and an 8mm wrench. Ensure backrest stop (E) catches backrest hook (F) as shown below.
  • Page 51 Ki Mobility 5201 Woodward Drive Stevens Point, Wisconsin 54481 715-254-0991 www.kimobility.com DCN0407.0...

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