Otto Bock Ventus Service Manual
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Otto Bock Ventus Service Manual

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  • Page 1 Ventus Service Manual...

  • Page 2: Table Of Contents

    Replacing the Back Release ......................... 3.7.7 Replacing the Back Upholstery ......................3.7.7.1 Replacing the "Standard" Back Upholstery .................... 3.7.7.2 Replacing the "Adaptable" Back Upholstery ................... 3.7.8 Adjusting the back upholstery ....................... 3.7.9 Retrofitting the Back Plate ........................2 | Ottobock Ventus...
  • Page 3 Replacing the Wheel Lock Arm (Scissor Wheel Lock) ................3.11.7 Adjusting the Wheel Lock ........................3.12 Other Accessories ..........................3.12.1 Retrofitting a Tray ..........................3.12.2 Retrofitting a Safety Belt ........................3.12.3 Retrofitting Headrests and Neckrests ....................Appendices ................................ Technical Data ............................ Ventus Ottobock | 3...
  • Page 4 Table of contents Maintenance Schedule ........................4 | Ottobock Ventus...

  • Page 5: Introduction

    Instructions for Use (Qualified Per­ Instructions for Use (User) sonnel) Ventus 647G827=* 647G828=* 1.2 Support Your national Ottobock team will be happy to answer any technical questions. The contact addresses and tele­...

  • Page 6: Product Overview

    Max. load capacity: 100 kg (effective seat width: 280 - 440 mm); 140 kg (effective seat width: 460 - 500 mm) The lightweight Ventus wheelchair is a modular rigid-frame wheelchair for active use in open frame design. The one-piece light metal frame, combined with a single-panel footrest or a footplate, offers high stability with a low net weight.

  • Page 7: Safety

    (such as Loctite 241 or Euro Lock A24.20) to the existing screws. 3.2 Maintenance Schedule Maintenance schedule as a template for copying: see Page 63. Ventus Ottobock | 7...

  • Page 8: Required Tools And Accessories

    ► In the following, the replacing/retrofitting of the accessory mount is described by way of an example, based on a slider. ► For special features regarding the assembly/disassembly of the accessory mount on a Shock Absorber Sys­ tem, see section "Retrofitting of Accessory Mount in Combination with a Retrofit Kit". 8 | Ottobock Ventus...
  • Page 9 13) Position the accessory mount at the desired angle. Tighten all Allen head screws between the accessory mount, clamping flange and slider to 10 Nm (see Fig. 3, item 1/2). 14) Tighten the Allen head screws on the clamping flanges to 10 Nm (see Fig. 7, item 1). Ventus Ottobock | 9...

  • Page 10: Retrofitting Of Accessory Mount In Combination With A Retrofit Kit

    Rear wheel size Axle with camber Rear seat height [mm] 22" 0°/3° </= 420 6° </= 410 9° </= 400 24" 0°/3° </= 460 6° </= 450 9° </= 440 10 | Ottobock Ventus...

  • Page 11: Retrofitting/Adjusting The Anti-Tipper And Tip-Assist

    ► For a small wheelbase and a backrest that is tilted far back, an anti-tipper may need to be installed on both sides, depending upon the user's experience. ► Verify that the anti-tipper is installed and adjusted properly. Find the appropriate position with the assistance of a helper! Ventus Ottobock | 11...

  • Page 12: Installing The Anti-Tipper

    2) Set the angle of the accessory mount (3 settings at intervals of 10°: see Fig. 2). 3) Tighten the accessory mount to 10 Nm. The max. distance between the anti-tipper rollers and floor is 5 cm (see Fig. 12). 12 | Ottobock Ventus...

  • Page 13: Installing / Adjusting The Tip-Assist

    → Position the new clamp sleeve. The flat side has to face in the direction of the clamping screws (see Fig. 20, item 1). 4) Evenly slide the footrest into the frame up to the recorded insertion depth. Use a soft-faced hammer if neces­ sary. 5) Tighten the Allen head screws to 7 Nm. Ventus Ottobock | 13...

  • Page 14: Replacing The Footplate

    1) Install the heel block using the socket head screws on the underside of the footplate (see Fig. 23, item 1). 2) Before tightening, slide the heel block in the slot to the desired foot width (see Fig. 24). 3) Tighten the socket head screws. 14 | Ottobock Ventus...

  • Page 15: Adjusting The Footrests/Tube Footrest/Footplates

    NOTE: After every adjustment to the horizontal position, the angle of the plate must be adapted. 3.5.4.2 Adjusting the plate angle The footrest setting should be chosen so that the ankle is in a relaxed, comfortable position. Ventus Ottobock | 15...

  • Page 16: Assembly C: Seat/Seating System

    2) Remove the Allen head screws between the seat upholstery and frame (see Fig. 31, item 1). 3) Remove the seat upholstery (see Fig. 32, Pos. 1). 4) Remove the spacers from the frame at the front and rear (see Fig. 32, Pos. 2). 16 | Ottobock Ventus...

  • Page 17: Adjusting The Seat Upholstery

    INFORMATION: The part of the flap that can be fastened prevents sliding or falling through the gaps between the straps and protects against draughts. 6) Fasten the seat pad (see Fig. 76, item 1) and the seat cushion. Ventus Ottobock | 17...

  • Page 18: Cleaning The Seat Upholstery

    The replacement of the push handles (old for new) is described below. Some particularities have to be observed when replacing push handles with another version/variant. These are summarised at the beginning of the respective section. The push handles should always be replaced in pairs. 18 | Ottobock Ventus...

  • Page 19: Replacing The "Standard" Push Handles

    4) Screw on the push handle. Guide the clamping lever through the upper eyelet on the back upholstery and screw it into the slide block on the push handle. → Both push handles must be adjusted to the same height. Ventus Ottobock | 19...

  • Page 20: Replacing The "Folding" Push Handles

    4) Screw the push handle to the back tube (see Fig. 43). → Both push handles must be adjusted to the same height. 5) Thread the top strap of the adaptable back upholstery through both push handles and fasten the hook-and-loop closure (see Fig. 45). 20 | Ottobock Ventus...

  • Page 21: Replacing The "Height-Adjustable/Removable" Push Handles

    → "Standard" back upholstery – version for "height-adjustable/removable" push handle installation: see Fig. 46 → "Adaptable" back upholstery – version for "height-adjustable/removable" push handle installation with open hook-and-loop strap: see Fig. 50 8) Adjust both push handles to the same height (see Page 22). Ventus Ottobock | 21...

  • Page 22: Retrofitting The Cover Plugs

    The "standard" push handle (see Fig. 53) and the "folding" push handle (not illustrated) cannot be adjusted in height. The height of the "height-adjustable" (see Fig. 54) and "height-adjustable/removable" push handles (not illus­ trated) can be adjusted for easier pushing by an attendant. 22 | Ottobock Ventus...

  • Page 23: Replacing The Back

    If the tension is too great, the Allen head screws on the attachment angle can be loosened (see Fig. 57, Pos. 2). 3) Remove the Allen head screws on the attachment angle (see Fig. 58). → Now the seat back is exposed (see Fig. 59). Ventus Ottobock | 23...
  • Page 24 In order to do so, spread open the spacers so they can slide over the rivet nuts (see Fig. 62). 5) Only for "adaptable" back upholstery installation: Slide the hook-and-loop straps over the back tubes (see Fig. 63). 6) Slide the spacers onto the rivet nuts (see Fig. 64). 24 | Ottobock Ventus...

  • Page 25: Replacing The Attachment Angles (Back Plates)

    If the tension is too great, the Allen head screws on the attachment angle can be loosened (see Fig. 57, Pos. 3) Now the guide bushings are exposed (see Fig. 66): → Guide bushings for the back release (see Fig. 66, Pos. 1) Ventus Ottobock | 25...

  • Page 26: Replacing The Back Release

    3) Remove/replace the back upholstery (see Fig. 71). 4) Slide the back upholstery onto the seat back. 5) Attach the hook-and-loop strap to the back tubes (see Fig. 70). 6) Install the push handles (see Fig. 39, see Fig. 41). 26 | Ottobock Ventus...

  • Page 27: Replacing The "Adaptable" Back Upholstery

    6) Thread the strap loops of the back straps onto the back tubes from the top and bottom. 7) Route the back straps around the loop pads and fasten them (see Fig. 74). 8) Reinstall the back (see Page 23; see Fig. 75). 9) If applicable: Adjust the back upholstery (see Page 28). Ventus Ottobock | 27...

  • Page 28: Adjusting The Back Upholstery

    1) If applicable: Remove the backrest pads and back upholstery (not illustrated). 2) Slide 2 clamp fittings respectively onto the back tubes (see Fig. 80, Pos. 1). In order to do so, spread the clamp fittings so they can slide over the rivet nuts (see Fig. 61). 28 | Ottobock Ventus...

  • Page 29: Retrofitting The "Backster" And "The Back" Back Systems

    ► For a small wheelbase and a backrest that is tilted far back, an anti-tipper may need to be installed on both sides, depending upon the user's experience. The backrest angle can be adapted to the user's requirements e.g. after the wheelbase has been adjusted. The angle can be adjusted between 65° 105°. Ventus Ottobock | 29...

  • Page 30: Assembly E: Side Panels

    Select the bore hole so that the lip of the clothing protector is close enough to or far enough away from the tyre that the risk of crushing is excluded. INFORMATION: Note that the side panel mounting may also have to be repositioned after adjusting the "clothing protector" side panel (see Page 31). 30 | Ottobock Ventus...

  • Page 31: Replacing The Side Panel Mounting

    4) Install the side panel mounting and all parts on the frame (see Fig. 92). In doing so, position the plate (see Fig. 92, Pos. 2) at a height so that the lip of the clothing protector is close enough to or far enough away from the tyre so that the risk of crushing is excluded. Ventus Ottobock | 31...

  • Page 32: Retrofitting The "Padded" Armrest

    1) Insert the armrest holders into the back tube with proper alignment. The respective adjustment screw has to face out (see Fig. 97, Pos. 1). 2) Insert the guide bushings into the frame tube (see Fig. 98). 3) Reinstall the backrest (see Fig. 93). 32 | Ottobock Ventus...

  • Page 33: Adjustment Of The Side Panels

    INFORMATION: Choose the bore hole so that the lip of the clothing protector is close enough to or far enough away from the tyre to exclude the risk of crushing. INFORMATION: Note that the side panel mounting may also have to be repositioned after adjusting the "clothing protector" side panel (see Page 31). Ventus Ottobock | 33...

  • Page 34: Adjusting The "Height-Adjustable" Armrest

    3) Screw in the armrests again. 3.8.4.3 Adjusting the "Padded" armrest 1) Loosen the mounting screw on the locking point (see Fig. 100, item 1). 2) Slide the armrest to the desired position (see Fig. 100. item 2). 3) Tighten the mounting screw. 34 | Ottobock Ventus...

  • Page 35: Assembly F: Caster Wheels

    → Once changed, the left and right caster wheel must have the same vertical position in the caster fork. → Once the anterior seat height has been adjusted, the rear wheel tracking (see Page 48) and the caster wheel journal angle (see Page 36) must be checked and adjusted if required. Ventus Ottobock | 35...

  • Page 36: Replacing The Caster Fork, Complete

    (see Fig. 115). 7) Tighten the socket head screw on the eccentric to 10 Nm (see Fig. 114, item 2). 8) Tighten the socket head screws on the inner side of the frame to 23 Nm (see Fig. 113, item 1/2). 36 | Ottobock Ventus...

  • Page 37: Adjusting The Castor Journal Angle "Design"/"Froglegs" Castor Fork

    9) Tighten the hexagon head screws on the inner side of the frame to 23 Nm (not illustrated). 10) Replace all covers (not illustrated). → The caster wheel axle on each of the two caster wheel adapters must be positioned vertically. Ventus Ottobock | 37...

  • Page 38: Assembly G: Rear Wheels

    12) Install the axle assembly at the recorded mounting position and tighten the Allen head screws to 10 Nm (see Fig. 118). INFORMATION Following adjustment the track of the rear wheel, the castor journal angle and the knee lever wheel lock must be checked and, if necessary, readjusted (refer to the corresponding section). 38 | Ottobock Ventus...

  • Page 39: Retrofitting The Wheelbase Extension

    → Adjusting the track width → Adjusting the rear wheel camber → Adjusting the knee lever wheel lock 6) If applicable: Adjusting the track (see Page 48). 7) Tighten the clamping screws on both wheelbase extensions to 10 Nm. Ventus Ottobock | 39...

  • Page 40: Retrofitting The Shock Absorber System

    10) Put the wheels back on. INFORMATION Following adjustment the track of the rear wheel, the caster journal angle and the knee lever wheel lock must be checked and, if necessary, readjusted (refer to the corresponding section). 40 | Ottobock Ventus...

  • Page 41: Adjusting The Rear Wheels

    However, this must be approx. 90°. The knee lever wheel lock also has to be readjusted. 3.10.4.1 Adjusting Horizontal Position of the Rear Wheels The horizontal rear wheel position is changed by moving of the slider on the frame horizontally. This has the follow­ ing effects: Ventus Ottobock | 41...

  • Page 42: Moving The Sliders On The Frame

    Adjustment is done in the same way as for sliders without a Shock Absorber System. 3.10.4.4 Adjusting the seat height and seat angle The seat height and seat angle are changed through moving of the real wheel vertically in the slider (axle retainer). This has the following effects: 42 | Ottobock Ventus...

  • Page 43: Adjusting The Height Of The Rear Wheels

    5) Hold the axle assembly with clamping flange to the perforated plates at the same height (see Fig. 137, item 2). 6) Tighten the Allen head screws on each perforated plate from the inside to 10 Nm (see Fig. 137, item 1). Ventus Ottobock | 43...

  • Page 44: Turning The Perforated Plate In The "Long" Shock Absorber System

    8) Remove and turn the perforated plate in each case (see Fig. 141, item 4; see Fig. 139). 9) Reassemble the shock absorbers. Secure the Allen head screws on both shock absorbers with Loctite (see Fig. 141, item 1). Tighten the Allen head screws to 7 Nm. 44 | Ottobock Ventus...

  • Page 45: Adjusting The Track Width (Additional Adjustment)

    6) Clamp the camber module lightly using the clamping screw on the clamping flange. 7) Adjust the track width in the same fashion on the other clamping flange. Make sure that both camber modules have been adjusted symmetrically. 8) Attach the wheels. Ventus Ottobock | 45...

  • Page 46: Adjusting The Rear Wheel Camber

    3.10.4.10 Adjusting the 0°/3°/6°/9° rear wheel camber The modular system of the product offers camber options for different sloped settings of the rear wheels (0° and 3°: see Fig. 146, item 1; 6° and 9°: see Fig. 146, item 2). 46 | Ottobock Ventus...
  • Page 47 7) Replace the camber module on the other side in the same fashion. Make sure that both camber modules have been adjusted symmetrically. 8) Attach the wheels. 9) Make the track adjustments (see Page 48). 10) Tighten the clamping screws to 10 Nm (see Fig. 142, item 1; see Fig. 148, item 1). Ventus Ottobock | 47...

  • Page 48: Adjusting The Track

    Special requirement: During adjustment of the track width with camber module 0°/3°, the clamps for the wheelbase extension must be loosened (see Fig. 152, item 2). Adjusting the track width with camber module 6°/9° is done by adjusting the fitting (see Fig. 145). 48 | Ottobock Ventus...

  • Page 49: Maintenance Work On The Rear Wheel

    1) Completely remove the tyre. 2) Unscrew/remove the push ring screws from the rim (see Fig. 156). 3) Tightly bolt the push rings onto the rim in narrow or wide installation position. 4) Completely reinstall the tyre. Ventus Ottobock | 49...

  • Page 50: Replacing/Retrofitting A Spoke Protector

    In some cases, assembly with screws is required (see Fig. 159). Please refer to the information given in the spare parts catalogue. 3.10.5.3 Retrofitting the Tetra Axle 1) Remove the quick-release axle with rear wheel. 2) Exchange quick-release axle for tetra axle. 3) Insert rear wheel with tetra axle into the fitting. 50 | Ottobock Ventus...

  • Page 51: Tensioning The Spokes/Adjusting The Out-Of-Round

    Suitable tyre pumps are listed on the order form and are supplied with the product. An alternative is tyre foam, which fills your tyre and then hardens (available from bicycle shops etc.). Repairing flat tyres requires only the necessary tools and minimal technical skills. Users may change tyres them­ selves if they wish: Ventus Ottobock | 51...
  • Page 52 3) Inflate the tube so that the tyre can still be pressed in easily with your thumb. INFORMATION: If the circumferential lines on the two sides of the tyre are both at an even distance from the rim, the tyre is centred. If not, let some air out and realign the tyre. 52 | Ottobock Ventus...

  • Page 53: Assembly H: Wheel Lock/Brake

    5) Adjust the wheel lock (Adjusting the knee lever wheel lock). INFORMATION: Use new Allen head screws or secure the existing Allen head screws with liquid thread locking compound. 6) Tighten the Allen head screws on the clamp fitting to 10 Nm. Ventus Ottobock | 53...

  • Page 54: Replacing The Brake Block

    Fig. 175, item 1/2, Adjusting the knee lever wheel lock). INFORMATION: Use new Allen head screws or secure the existing Allen head screws with liquid thread locking compound. 5) Tighten the Allen head screws on the clamp fitting to 10 Nm. 54 | Ottobock Ventus...

  • Page 55: Replacing The Wheel Lock Arm (Scissor Wheel Lock)

    This adjustment must be made after the rear wheel has been repositioned or during fine adjustment. The following brake types are adjusted in the same way: "Standard" knee lever wheel lock, "Upgrade" knee lever wheel lock, scissor wheel lock. Ventus Ottobock | 55...
  • Page 56 (see Fig. 182 item 1; see Fig. 183, item 1). • The scissor wheel lock should not hit the frame when it is open. • For information on using the scissor wheel lock, see the instructions for use (user), reference number 647G828. 56 | Ottobock Ventus...

  • Page 57: Other Accessories

    – cannot be adjusted in the mm range but only in increments of approx. 0.5 cm or 1 cm. ► Note that the values achieved during adjustment may deviate from the values specified below. The dimension­ al tolerance is ±10 mm and ±2°. Ventus Ottobock | 57...
  • Page 58 Appendices General information Ventus Maximum load capacity [kg] 100 (for seat width 280 - 440) 140 (for seat width 460 - 500) Weight [kg] approx. 12.5 (for seat width 440 mm; 4" full rubber caster wheels, 24" hollow rim) Transport weights [kg] Frame: 7.5 –...
  • Page 59 Increase of the overall width because of the wheel camber setting of the rear wheels [mm] Wheel camber 22" rear wheel 24" rear wheel 25" rear wheel 3° < 60 > 60 6° < 120 > 120 9° < 180 > 180 Ventus Ottobock | 59...
  • Page 60 Rear wheel size Axle with camber Shock absorber (short: see Fig. 190, long: see Fig. 191) short long long 22" 0°/3° 410 – 430 410 – 450 450 – 490 6° 400 – 420 400 – 440 440 – 480 60 | Ottobock Ventus...
  • Page 61 Specified at 0° seat angle, without seat cushion The values indicated are theoretically determined values (max. deviation: 10 mm) Perforated plate installed at the top in the shock absorber (see Fig. 191) Perforated plate installed at the bottom in the shock absorber (not pictured) Ventus Ottobock | 61...
  • Page 62 Appendices 62 | Ottobock Ventus...
  • Page 63 Tetra axle Wheelbase extension Spoke protectors Wheel Locks/Brakes Braking function Swing-away mechanism Wheel lock accessor­ Wheel lock lever extension Accessories Tray Lap belt Do the wheelchair settings match the user's requirements? The maintenance service was performed by: Ventus Ottobock | 63...
  • Page 64 64 | Ottobock Ventus...

  • Page 65: Ventus Ottobock

    Ventus Ottobock | 65...
  • Page 66 66 | Ottobock Ventus...
  • Page 67 · www.ottobock.com.au Otto Bock Bulgaria Ltd. info@ottobock.sk · www.ottobock.sk 41 Tzar Boris III‘ Blvd. · 1612 Sofia · Bulgaria Beijing Otto Bock Orthopaedic Industries Co., Ltd. T +359 (0) 2 80 57 980 · F +359 (0) 2 80 57 982 Otto Bock Sava d.o.o. B12E, Universal Business Park info@ottobock.bg · www.ottobock.bg Industrijska bb ·...
  • Page 68 Ihr Fachhändler | Your specialist dealer Versandanschrift für Rücksendungen/Adress for Returns: Otto Bock Manufacturing Königsee GmbH Lindenstraße 13 · 07426 Königsee-Rottenbach/Germany Printed by: Otto Bock Mobility Solutions GmbH Lindenstraße 13 · 07426 Königsee-Rottenbach/Germany T +49 (0) 69 9999 9393 · F +49 (0) 69 9999 9392 ccc@ottobock.com ·...

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