Ki Mobility Little Wave Arc Technical Manual
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Ki Mobility Little Wave Arc Technical Manual

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THIS TECHNICAL MANUAL HAS BEEN DEVELOPED FOR AND
INTENDED TO BE USED BY A QUALIFIED TECHNICIAN
WORKING FOR AN AUTHORIZED KI MOBILITY DEALER.

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Summary of Contents for Ki Mobility Little Wave Arc

  • Page 1 THIS TECHNICAL MANUAL HAS BEEN DEVELOPED FOR AND INTENDED TO BE USED BY A QUALIFIED TECHNICIAN WORKING FOR AN AUTHORIZED KI MOBILITY DEALER.
  • Page 2 WARNING: Repairs and adjustments not made by a qualified technician working for an authorized Ki Mobility Dealer can result in poor performance or failure of the device which may cause serious injury or death. This technical manual is designed to aid in the different procedures that may be needed for the Arc wheelchair.

  • Page 3: Table Of Contents

    Table of Contents Tools........................ 3 Setting Up Seat Depth ..................4 Seat Height - Configuration Charts..............5 Seat Height - Axle Diagram References ............6 Seat Height - Fork Diagram Reference ............7 Caster Construction ..................8 Caster Adjustment ..................8 Chair Width .....................

  • Page 4: Tools

    Tools Please 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: Setting Up Seat Depth

    Setting Up Seat Depth A common mistake accomodating growth on chairs such as the Arc that grow forward - When the ATP specifies the depth configuration of a chair, they sometimes build in growth by unnecessarily placing the client significantly forward of the back canes by extending back mounting brackets or hardware.

  • Page 6: Seat Height - Configuration Charts

    Seat Height - Configuration Charts Front Seat Height Fork Hole Caster Fork Stem 14.5 15.5 5" Tall 16.5 15.5 16.5 5" 6" Tall 17.5 18.5 16.5 17.5 7" Tall 18.5 15.5 16.5 6" Tall 17.5 18.5 6" 16.5 17.5 18.5 7"...

  • Page 7: Seat Height - Axle Diagram References

    Seat Height - Axle Diagram References With the correct configuration determined from the charts above, use the diagrams below to identify axle bar angles, axle positions and the two type of axles. QR Axle Configuration Threaded Axle Configuration *Bolt and lock washer replace QR Axle when securing wheel. Up Orientation Down Orientation Level A...

  • Page 8: Seat Height - Fork Diagram Reference

    Seat Height - Fork Diagram Reference With the correct configuration determined from the charts above, use the diagrams below to identify the different fork sizes and the fork holes. 5” Standard 6” Standard 6” Wide 7” Standard 7” Wide Fork Width Fork Height...

  • Page 9: Caster Construction

    Caster Construction The caster assembly is shown below. Securing the caster wheel to the fork requires two 13mm wrenches. Securing the stem to the fork requires an 19mm wrench. Tall Stem Standard Assembly Stem Assembly Use 101829 (M8X1.25X65) with standard forks. Use 101831 (M8X1.25X80) with wide forks.
  • Page 10 Caster Adjustment 3. Adjusting Caster Height a. Remove hex bolt (A) and nut (C) using 13mm wrenches. b. Remove caster wheel (E) and spacers (D). c. Feed hex bolt (A) through desired hole in one side of the caster fork (B). d.

  • Page 11: Chair Width

    Chair Width Non-Folding Frame NOTE: Adjusting the width also affects any seating, seat pan, rigidizer handle and rigidizer bar that may be present. See those corresponding sections, if applicable, for instructions on how to disassemble. 1. The crosstubes (B) are detached from the crosstube extensions (D) by removing the two bolts (A), four washers (C) and two nuts (E) using two 10mm wrenches.
  • Page 12 Chair Width Folding Frame NOTE: Adjusting the width also affects any seating, seat pan, rigidizer handle and rigidizer bar that may be present. See those corresponding sections, if applicable, for instructions on how to disassemble. 1. The crosstubes (M) are detached from the crosstube extensions (C), lift strap (G) and crosstube hinges (E) by removing the bolt (A), four washers (B, D,H), hinge spacer (F) and nut (I) using two 10mm wrenches.

  • Page 13: Seat Depth

    Seat Depth Use the chart and diagram below to set chair in desired seat depth. A 4mm Allen wrench and a 10mm wrench are needed for the hardware during this procedure. Extra Short Configurations Short, Medium & Long Configurations Hole A (Rearmost hole in front seat tube) Hole A Alignment...

  • Page 14: Hand Tilt

    Hand Tilt 1. Install hand trigger onto back post using a Phillips screwdriver and the diagram below. Angle Adjustable Push Handle Stroller 2. Route cable as shown below. Install cable clips (A) along back post to keep cable in place. NOTE: In the X-S Configuration, the mechlocks are behind the...

  • Page 15: Foot Tilt

    Foot Tilt 1. Install the two cable ends into the cable nut plate (B). 2. Insert the barrel ends of the cables into the pockets of the pedal (C). 3. Close the housing (A) around the foot pedal/cable assembly. 4. Install the foot pedal/cable assembly to the inside frame of the chair with two bolts (A), two lock washers (B), foot tilt mount (C) and saddle (D) using two 5mm Allen wrenches.
  • Page 16 Foot Tilt 5. Route the cables as shown below. NOTE: The cables are routed below the folding cross braces, as shown below, with short, medium and long configurations. 6. Attach end of cable to mechlock as shown below. The cable adjuster (B) on the end of the cable is loosened to attach cable in the brackets.

  • Page 17: Transit

    Transit See the diagrams below for transit system installation. A 4mm Allen wrench and a 10mm wrench are needed for the folding back hardware. A 4mm Allen wrench, 5mm Allen wrench, 10mm wrench and 13mm wrench are needed for the standard back hardware. To install the front brackets, use a 5mm Allen wrench and a 10mm wrench.

  • Page 18: Anti-Tip

    Anti-Tip 1. Install the anti-tip receiver (C) to the axle plate with two bolts (A) and two lock washers (B) using a 5mm Allen wrench. NOTE: The receiver is installed in the up position, as shown below, on 12" and 16" configurations. The receiver is installed in the down position, as shown below, on the 20"...

  • Page 19: Back Height

    Back Height Stroller Handle Backrest - Available with Short (20”) Fixed Height Adjustable Handle Backrest - and Tall (24”) back canes. Available with Short (22”) and Tall (26”) back canes. Height Adjustable Backrest - Available in Short Reclining Backrest - Available with Short (22”) and (18”-25”) and Tall (20”-27”).
  • Page 20 Back Height Back Post Height Range Back Height Short 20" Stroller Handle Back Post Tall 24" Short 22" Fixed Height Adjustable Handle Backrest Tall 26" Short 18" 19" 20" 21" 22" 23" 24" 25" Height Adjustable Backrest Tall 20" 21" 22"...

  • Page 21: Backrest Angle Adjustment

    Backrest Angle Adjustment 1. Use a 4mm Allen wrench and a 10mm wrench to remove the button head screw (B) and nut (A) on the backrest. 2. Rotate backrest to desired angle. Each hole represents 5° of rotation. See diagram below for the angle for each hole.
  • Page 22 Folding Reclining Backrest NOTE: Remove existing backrest canes and backplates from chair before beginning. NOTE: Installing a reclining backrest changes the center of gravity with your chair and requires different adjustments to account for the changes. Always check the center of gravity and make adjustments as needed.

  • Page 23: Reclining Backrest

    Reclining Backrest 3. Install adapter plates (C) and recline latch (D) with five bolts (A & B), three spacers (F & H), spring (G) and a nut (I) using two 3mm Allen wrenches and a 4mm Allen wrench with 10mm wrench. NOTE: The spring (G) saddles the recline latch (D).
  • Page 24 Reclining Backrest 6. Secure the gas spring assembly to the adapter plate with a bolt (A), two flange bearings (B), spacer (C) and nut (D) using a 5mm Allen wrench and a 10mm wrench. 7. Install trigger cable (A) into trigger. Install opposite end through gas spring bracket and secure in place with E-Clip (D).

  • Page 25: Removable Seat Pan

    Removable Seat Pan See the diagram below for a seat pan installation. A 5mm Allen wrench and a 10mm wrench are needed for this procedure. Hole Set F: Front screws always mount in these holes in the rear seat frame. Hole Set R: Rear screws always mount...

  • Page 26: Wheel Lock Configurations

    Wheel Lock Configurations Use the chart and diagrams below to determine the set up needed for a wheel lock on your chair. The assembly is also shown below and requires a 10mm wrench. The bolt attaching the wheel lock to the frame must be tightened to 144 in/lbs.

  • Page 27: Attendant Foot Lock

    Attendant Foot Lock A diagram of the attendant foot lock assembly is shown below. The tools needed are a 10mm wrench, 4mm Allen wrench and a 5mm Allen wrench. An image of the cable routing and adjusting procedure is also shown below.

  • Page 28: Drum Brake

    Drum Brake Drum Brake Installation 1. Remove both wheels. 2. Remove the axle plate by removing two screws (C), two washers (B) and two nuts (A) using a 4mm Allen wrench and a 10mm wrench. Repeat on opposite side. 3. Install the drum brake axle plate (D) onto the frame with two screws (E), two washers (B) and two nuts (A) using a 4mm Allen wrench and a 10mm wrench.
  • Page 29 Drum Brake 8. Install the cable into the lever as shown below. 9. Install the lever assembly onto the back post handle by installing the two screws (A) through the upper (B) and lower (C) lever pieces using a Phillips head screwdriver. NOTE: See the table below for cable lengths in different configurations.
  • Page 30 Drum Brake 12. Install the cable to the drum brake with the keyhole barrel connector (C). 13. Attach the cable core to the pinch bolt (D). Remove the slack in the cable and trim cable flush after final adjustment. 14. Adjust the cable by threading the cable adjuster (A) in the barrel connector. Test the drum brake function with no one in the chair.

  • Page 31: 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 32: 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 33: Footplate And Heel Loops

    Footplate and Heel Loops Strap Length Heel Loop (See Image Above) Standard Hanger Offset Hanger Part Strap Composite Composite Size Angle Angle Number Length Adjustable Composite Angle Adjustable Composite Angle Adjustable Adjustable Short 100591 14" - 15" 9.4" Medium 100592 14"...

  • Page 34: Rotating 4-Way Latch

    Rotating 4-Way Latch The 4-Way latch has eight possible configurations, four with the curve of the lever facing outward and four with the curve of the lever facing inward. See diagram below. Eight Possible Configurations Standard Position Lever Facing Outward Lever Facing Inward Rotating 1.

  • Page 35: Pro Elr Adjustment

    Pro ELR Adjustment NOTE: Instructions for adjusting the height of the calf pad, the depth of the calf pad and the length of the footrest can be found in the owner manual in the Pro Elevated Leg Rest section. Adjusting Knee Height 1.

  • Page 36: Aa. Pediatric Angle Adj. Locking Flip Up Extendable Armrest

    Pediatric Angle Adj. Locking Flip Up Extendable Armrest 1. Set the angle of the armrest. There are five holes that can be used to set the angle. Tighten the bolt once angle is set. 3 4 5 2. Set the length of the armrest. To adjust the length, remove the bolts and spacer on the tube and the screw closest to the back of the chair.

  • Page 37: Ab. Canopy

    Canopy Installation 1. Install tube mount (C), inner clamp (B), outer clamp (D), barrel nut (A), spherical washer (E) and bolt (F) onto backrest tube using a 5mm Allen wrench. Repeat on opposite side. NOTE: The clamps may need to be rotated to accomodate the chair width while remaining in the correct distance for the stems.
  • Page 38 Canopy 3. To remove just the canopy, push in the latch on both stems and lift up and out of tube mount. Push latch in to clear the tube mount.

  • Page 39: Ac. Contracture Footrest

    Contracture Footrest Installation 1. Install foot pivot (B) into footplate clamp (C). Install footplate (E) onto footplate clamp (C) with two screws (A) and two nuts (D) using a 5mm Allen wrench and a 10mm wrench. NOTE: There are three sets of holes that the footplate can be mounted with. The holes allow for the footplate to be mounted further forward or further backward, depending on the configuration desired by the user.
  • Page 40 Contracture Footrest 3. Install long pivot (A) into extension tube. Use the chart below to determine the holes you will be using for the desired footrest height and secure in position by installing screw (B) and nut (C) using a 5mm Allen wrench and a 10mm wrench.
  • Page 41 Contracture Footrest 5. Remove any seating system, cushion, seat pan and/or hangers from the chair. 6. Remove the front seat tube from the seat frame by removing two screws (A & B), mechlock mount (C), washer (D), E-Clip (F) and nut (E) with a 4mm Allen wrench and a 10mm wrench. Save all parts and repeat on opposite side.
  • Page 42 Contracture Footrest 8. Determine whether the contracture footrest is going to be set up in the outside mount or inside mount position. Install footrest assembly, outside or inside mounted, by sliding the contracture seat tube (C) onto the frame. Assemble footrest to contracture seat tube by installing T-Nut (D) along channel on the inside of the mount rail (E).

  • Page 43: Ad. Multi-Angle Footrest

    Multi-Angle Footrest Installation 1. Determine which configuration the ball shaft (D) will need to be in - down (eversion) or up (inversion). See figure below for example. Install footplate (B) onto upper footrest clamp (C) with two screws (A) using a 4mm Allen wrench. Install ball shaft (D) into lower footrest clamp (E) and secure to the upper footrest clamp using three screws (G) and three lock washers (F) using a 5mm Allen wrench.
  • Page 44 Multi-Angle Footrest 2. Install footrest mount (E) onto the end of the ball shaft and secure with screw (H) and lock washer (G) using a 4mm Allen wrench. Install the flip-up latch (D) onto the footrest mount and secure with latch spring (C), bushing (B) and screw (A) using a 4mm Allen wrench.

  • Page 45: Ae. Pediatric Pro Elr

    Pediatric Pro ELR Installing Pediatric Pro Elevated Leg Rest Assembly 1. Remove current hangers from chair if applicable. Install latch blocks (A) if not present. 2. Install the Pediatric Pro ELR the same way as a swing away hanger. Place the swing away pivot saddle into the receiver on the front frame tube with the leg rest facing either inward or outward from the frame (B).
  • Page 46 Pediatric Pro ELR Removal (Refer to first image in Pediatric Pro ELR Section) 1. To remove leg rest, push or pull release latch. 2. Lift the leg rest straight upward to remove. You may also swing the leg rest inward or outward before lifting it off.
  • Page 47 Pediatric Pro ELR Adjusting Length of Footrest 1. Remove bolt (A), washer (B), footplate assembly (C), washer (D), saddle (E), nut (G) and ensure footrest tube insert (F) stays in tube using a 5mm Allen wrench and a 10mm wrench. 2.
  • Page 48 Pediatric Pro ELR Extension Mount Configuration Some configurations may require an extension mount to avoid interference with the footplate. Use a 5mm Allen wrench, a 4mm Allen wrench and a 10mm wrench to attach your footplate to the extension mount and the extension mount to the hanger assembly.
  • Page 49 Pediatric Pro ELR Replacing Pediatric Pro Elevated Leg Rest Parts 1. See figure below for a parts diagram of the Pediatric Pro ELR (Not all parts are sold individually, refer to parts manual for additional information at www.kimobility.com). NOTE: Parts chart located on next page.
  • Page 50 Pediatric Pro ELR Item Number Part Number Description Quantity 003853 Hanger Assy, Pro ELR, FM, R 003854 Hanger Assy, Pro ELR, FM, L 003843 Insert, Footrest Tube 003344 Calf Pad Bracket Assembly 101585 Calf Pad - Large 101470 Calf Pad Pediatric - Medium 003844 Calf Pad, 84mm X 120mm - Small 003643...

  • Page 51: Af. Iv Holder

    IV Holder 1. Place the two hole clamps (A) with the barrel nut (B) and screw (C) using a 5mm Allen wrench. Ensure the sides of the clamp with the flats are used on the backrest tube. Turn the screw (C) finger tight into the barrel nut (B).

  • Page 52: Ag. O2 Holder

    O2 Holder 1. Install the clamp mounts (C) and barrel nut (D) to the back post with two screws (E), four spherical washers (B) and two nuts (A) using a 4mm Allen wrench and a 10mm wrench. 2. Install the O2 holder assembly (G) to the barrel nuts (D) with two bolts (I), two lock washers (H) and two spacers (F) using a 10mm wrench.

  • Page 53: Ah. Vent And Battery Tray

    Vent and Battery Tray Vent and Battery Tray NOTE: Vent and battery tray always use the extended rear frame. NOTE: Set the anti-tip wheels to 1.5" to 2" off the ground. Install the vent and battery tray as shown below. A 5mm Allen wrench and a 10mm wrench are needed. Use holes “A”...
  • Page 54 Vent and Battery Tray Battery Tray Only For battery tray only, the battery tray is installed the same way onto strut tube with the battery tray hooks. The strut tubes are attached to the side frame differently as shown below. A 5mm Allen wrench and a 10mm wrench are needed.

  • Page 55: Ai. Rigidizer Handle

    Rigidizer Handle 1. Install the spring (J) into the latch (D). 2. Insert the barrel nut (I) into the latch (D) and align the threaded hole in the barrel nut with the hole in the latch. 3. Insert the latch pin (M) through the hole in the latch (N) which will compress the spring (J). 4.

  • Page 56: Aj. Rigidizer Bar

    Rigidizer Bar Install the rigidizer bar as shown below. A 4mm Allen wrench and a 10mm wrench are needed. NOTE: Thread knob (A) onto the stud of the pivot until it bottoms against the plate. Secure by threading the nut (B) onto the stud until it is flush with the end of the stud. NOTE: Do not overtighten (D).

  • Page 57: Ak. Hemi Wheel Lock

    Hemi Wheel Lock NOTE: These instructions show installation of the master/drive side being on the right side. The steps are the same, but flipped if the user wants the master/drive side being on the left side. 1. Install the master assembly (A) onto the right wheel lock mount (B) with two nuts (C) using a 10mm wrench.
  • Page 58 Hemi Wheel Lock 5. Route the cable as shown below and secure in the middle by removing nut and installing a P-Clip between the nylon washer and cross tube. Reinstall nut to secure P-Clip. 6. On the master/drive side, install the cable barrel to the wheel lock actuator and the cable conduit as shown below.

  • Page 59: Al. Adjusting Upper Roller

    Adjusting Upper Roller If excessive in/out play ("racking") occurs in the back canes, the upper rollers can be adjusted. If needed, tighten nut (B) slightly until racking is minimalized while still allowing the chair to tilt without binding. Repeat for opposite side. If binding is occurring, loosen nut (B).
  • Page 60 Ki Mobility 5201 Woodward Drive Stevens Point, Wisconsin 54481 715-254-0991 www.kimobility.com DCN0666.2...

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