Posture Back Manual - HME Mobility & Accessibility
Contents
1. 1 0 Hardware Kit Contents Back Mounting Plates Cane Clamps Cane Inserts 7 8 22mm Depth Recline Adjustment Screws Cane Clamp Screws Cane Clamp Nut Plates Long Mounting Pins optional BRNAANNN Note 3 4 19mm cane inserts are available from Motion Concepts upon request Cane Insert Back Mounting Cane Clamp Plate Set Screw Cane Clamp Nut Plate it Q Cane Clamp At b Screws Depth Recline Adjustment Screws EJ PLEASE NOTE If any of the above hardware is missing or misplaced please contact our Customer Service Department and arrangements will be made to send you the necessary replacements Canada 866 748 7943 USA 888 433 6818 2 0 Tools Required Wrenches 7 8 22mm Phillips Screwdriver Allen Keys provided Tape Measure Ruler Utility Knife Scissors Iz Q 3 0 Before Installation Important MaTRx PB Back Width Weight Capacity 15 20 300 Ibs 38cm 51cm 136 kg Weight Capacities 20 24 500 lbs The Mounting Plates are shipped pre assembled on the Cane Clamps in the rearmost mounting configuration This maximizes the seat depth on the wheelchair seat up to a maximum 2 5 64mm rearward offset see Figure 1 below By changing the orientation of the Mounting Plates on the Cane Clamps the assembly can be reconfigured to provide a more forward mounting position for the back if desired up to a maximum2. 2 5 64mm forward offset see Figure 2 Note Each mounting plates is also designed to provide 1 5 38mm of fore and aft adjustment relative to the cane clamp To reconfigure a mounting plate cane clamp to the forwardmost orientation detach the Mounting Plate from the Cane Clamp 3 screws Rotate the Cane Clamp 180 and re fasten it to Mounting Plate Install Cane Clamp as illustrated in Figure 2 When establishing the mounting position for the MaTRx PB ensure the stability of the wheelchair is not compromised Adjusting the forward and aft position of the backrest will alter the user s center of gravity within the wheelchair A recessed back position can significantly reduce the rearward stability of the wheelchair Similarly a more forward back position will reduce the wheelchair s forward stability Figure 1 Figure 2 Front of wheelchair Front of wheelchair Mounting Plate in the rearmost back Mounting Plate in the forward most N position maximized seat depth back position Y 3 Concepts Moti n 3 0 Before Installation Important Acommodating Different Sized Back Post 1 25mm back post Cane clamps are installed without plastic inserts 7 8 22mm back post Requires 7 8 22mm plastic inserts provided 3 4 22mm back post Requires 3 4 19mm plastic inserts Note 3 4 19mm inserts are available from Motion Concepts upon request On some wheelcha
3. POSTURE BACK Mmatr pu r N N i IMPORTANT The installation instructions contained in this manual should only be carried out by a qualified technician Z 4 gt gt m O Z N C N rmi AJ gt Z C gt gt IMPORTANT TRANSPORTING THE CLIENT WITHIN A WHEELCHAIR FITTED WITH A MaATRX BACK IN A MOTOR VEHICLE The following guidelines should be made available to all parties who are responsible for the transportation of the client such as schools and transport providers Wherever practicable the client should be transferred out of the wheelchair into a vehicle seat and use a lap and diagonal seat belt or an appropriate child safety seat The MaTRx back has been dynamically tested and meets the requirements of ISO 16840 4 and Section 20 ANSI RESNA WC Volume 4 Wheelchair Seating Systems for Use in Motor Vehicles A Surrogate Wheelchair Base SWCB and a Hybrid Ill Midsize Adult Male Anthropomorphic Test Device were used in a forward facing frontal impact test The SWCB was secured by a four point strap type wheelchair tie down and the occupant restraint was a vehicle anchored lap and diagonal occupant restraint system MaTRx backs should only be used in conjunction with wheelchairs that comply with the performance requirements of ANSI WC19 or ISO 7176 19 Before Entering the Vehicle Check the Following MaTRx Back must be securely fastened into the wheelchair as described in the user ma
4. harge This warranty does not apply to punctures tears or burns nor to the removable cushion cover The original back must be returned to the dealer and will become the property of Motion Concepts as a condition of processing the warranty claim All warranty claims must be made through the dealer where the cushion was purchased Except for express warranties made herein all other warranties of fitness or use for a particular purpose are excluded There are no warranties that extend beyond the warranties provided above Remedies for breach of this warranty are limited to repair or replacement of goods In no event shall damages for breach of any warranty include any consequential damages or exceed the original cost of the back Concepts Motiors USA 700 Ensminger Rd Suite 112 Tonawanda NY 14150 Toll Free Tel 1 888 433 6818 Toll Free Fax 1 888 433 6834 Canada 84 Citation Dr Concord Ontario L4K 3C1 Tel 905 695 0134 Fax 905 695 0138 www motionconcepts com info motionconcepts com
5. i n 8 0 One Hand Cord Release Mechanism Optional Installation Instructions 1 Thread the Nylon Cord through the holes in the latch mechanism at the top of the left and right mounting plates see image A below thread Cord through the latch mechanism 2 Install the Cord Lock mechanism onto the cord see image B below Press the button to open the lock mechanism and slide the two open ends of the nylon cord through the opening melt cord ends to prevent fraying 3 With the back properly installed on the wheelchair adjust the cord length so that it hangs at approximately a 35 45 angle along the back pan this allows the release mechanism to operate more effectively If necessary cut remove excess cord to eliminate any risk of entanglement Once adjusted combine the loose cord ends into a single knot to prevent the cord lock from slipping Note if the cord length was modified carefully melt the ends of the cord to prevent fraying LIFT cord to s release back cushion Concepts Motion WARRANTY Every MaTRx PB back is carefully inspected and tested to provide optimum performance Each back is guaranteed to be free from defects for a period of 24 months from the date of purchase provided normal use Should a defect in materials or workmanship occur within 24 months of the original date of purchase Motion Concepts will at its option repair or replace it free of c
6. in set up may cause damage to the back pan and or the mounting plates Ensure sufficient spacing is provided b w the mounting plates amp the mounting pins a min gap of 1 8 3mm is recommended 8 O Concepts Moti n 4 0 MaTRx PB Installation Instructions 9 Verify that the overall fit and alignment of the back is correct make adjustments as needed 10 Fully secure the Cane Clamp Screws onto both back posts and tighten the set screws to ensure the mounting plates do not slip or rotate 11 To best determine the optimal depth amp recline settings for the back the user should be seated in the wheelchair While seated loosen the depth recline screws on the mounting plates and adjust the back to the desired depth and recline angle Re tighten all screws to lock the back in position Ensure that the depth recline adjustment for the back is made symmetrically on the left amp right mounting plates The vertical score lines on the mounting plates are designed as a point of reference to assist with symmetrical mounting see image below Since the back can be mounted in a rotated reclined position if desired it will not always be mounted parallel with these vertical lines a a A amp Depth Recline Screws x Ty Use score lines to make symmetrical adjustments on the left and right mounting plates E Cy Motion 5 0 Disengaging the MaTRx PB To Disengage the Back fro
7. irs there may be an uneven seam along the back posts where a smaller diameter tube is inserted into a larger diameter tube If the Cane Clamps must be mounted over this seam the plastic inserts may be cut in half to allow the clamp to fasten securely onto the back posts see Figure 4 Figure 3 Figure 4 Plastic Insert The Plastic Insert may be Ke cut if the Cane Clamp is amp HELPFUL HINT secured at the junction of 2 different diameter back posts NOTE For wheelchairs with short back canes it may be necessary to install Posture Back Cane Replacements PBCR s The PBCR s are designed to replace existing push handles or cane extensions on standard 1 25mm back posts The Cane Clamps can be mounted directly onto the replacement back canes in order to allow proper installation of the MaTRx PB Cane Replacements are available from Motion Concepts part TRX2810 PBCR A Concepts Moti n eee 4 0 MaTRx PB Installation Instructions A WARNING The installation hardware provided is high strength and tested for durability DO NOT substitute hardware Use only the hardware supplied 1 Remove existing wheelchair back upholstery if applicable 2 Establish the desired Mounting Plate set up configuration for the user per Section 3 0 3 Loosen Cane Clamp screws x3 and loosely install the cane clamp with mounting bracket onto each back post Install plas
8. m the Wheelchair Step 1 Simultaneously lift the release levers left amp right to unlock the latch mechanism and release the upper pins from the mounting plates Refer to Figure 7 below note for backs equipped with the one hand cord release mechanism lift cord upward to unlock open the release levers see Section 8 0 One Hand Cord Release Mechanism p 13 Step 2 Lift entire backrest up and forward to disengage the lower pins from the lower slots in the mounting plates Figure 7 Se Lower Mounting Pin Q Concepts Moti n 6 0 Removing the Cover Care Instructions The MaTRx PB cover can be removed for laundering or providing access to the inside of the back for modification Open the zipper at the top and carefully remove the cover by releasing the velcro hook amp loop fasteners along the sides of the back shell General Care and Cleaning The cover may be easily wiped down with a damp cloth when necessary For specitic laundering directions please follow the washing instructions provided with the cover 7 0 Head Neck Support Attachments Optional All MaTRx PB backs contain a built in Headrest Plate which can be used for attaching optional Head and Neck Supports Two sets of headrest clamp mounting holes are provided in order to install most standard types of headrests see Figure 8 below If required additional holes may be drilled into the back pan and headrest plate to mount the neces
9. nual Posture Belts amp Harnesses should remain fitted during transportation although they are designed to provide postural support only they are not intended for safety dur ing transportation Head Support must be securely fitted and correctly adjusted close to the rear of the client s head during transportation in order to reduce the risk of whiplash injuries The Wheelchair Tie down and Occupant Restraint System WTORS e Wheelchair Tie down The wheelchair must be securely tied down within the vehicle in a forward facing position in accordance with the wheelchair and tie down manufacturers instructions e Occupant Restraint A suitable occupant restraint system must also be fitted in accordance with the manufacturer s instructions A minimum is a lap and diagonal belt lap belts on their own are not suitable Restraints that loop over the shoulder and anchor to the vehicle floor should be avoided where possible as they can cause a heavy downward load through the client during an impact the preferred type anchor above and behind the shoulder as with a car seat belt The lap section of the belt should fit snugly over the pelvis of the client and should not be able to ride up to the abdominal area The upper torso section of belt should be in contact with the client s chest and fit over the shoulder s while not cutting into the neck or slipping off the shoulder s Note If the wheelchair and MaTRx back are to be trans
10. o the latch mechanism at the top of the mounting plates Figure 6 Lower Mounting Pin Q Concepts Moti n 4 0 MaTRx PB Installation Instructions 7 Mounting Pin Configurations Set Up Our standard MaTRx PB backs are available in 3 different widths 16 41cm 18 46cm and 20 51cm Two sets of Mounting Pins are supplied with every MaTRx PB standard pins and long pins Each backrest is factory assembled with standard mounting pins Standard pins provide sufficient adjustability to install the Matrx PB onto most typical wheelchair back canes and are able to compensate for back cane widths up to 1 25mm narrower than the actual back width However long pins may be required in situations where the wheelchair seat frame including back canes is wider than the actual MaTRx PB back width The long pins will accommodate a wider base seat size up to 1 25mm wider than the actual back width Example for a 16 41cm MaTRx PB 15 38cm wheelchair seat frame back cane width standard pins 16 41cm wheelchair seat frame back cane width standard pins 17 43cm wheelchair seat frame back cane width long pins Note when the narrowest setting is used for the back the depth recline range will be less than in wider positions MaTRx PB Rear View elt lt Adjustable Pin Depth Mounting Pins x4 PLEASE NOTE e Extended Mounting Pins EMP are available sold separately
11. ported unoccupied the wheelchair should be tied down with suitable equipment according to the manutacturer s instructions If the equipment is to be dismantled for transportation ensure that all parts are secured safely within the vehicle Table of Contents 1 0 Hardware Kit Contents 2 0 Tools Required 3 0 Before Installation Important 4 0 MaTRx PB Installation Instructions 5 0 Disengaging the MaTRx PB 6 0 Removing the Cover Care Instructions 7 0 Head Neck Support Installation Optional 8 0 One Hand Cord Release Mechanism Optional SAFETY SYMBOLS Proper set up and safe use of your Matrx PB Back depends on your own good judgement and common sense as well as that of your provider caregiver and or health professional The following symbols are used throughout this manual to identity warnings cautions and important notes It is very important that you read and understand them completely CAUTION Failure to heed the cautions in this manual may result in damage to your MaTRx Seating product A WARNING Failure to heed the warnings in this manual may result in personal injury IMPORTANT Important information to remember during installation and set up of you MaTRx Seating product IMPORTANT Please refer to the Wheelchair Owners Operators Manual for additional safety information warnings and cautions related to the operation of your wheelchair J 1 l Concepts Moti n TRDO160 06
12. sary hardware Figure 8 Headrest Clamp Mounting Holes O Moti n 7 0 Head Neck Support Attachments Instructions for installing a Headrest Clamp 1 Open pull down cover and determine the appropriate set of mounting holes for the Headrest Clamp drill new holes if necessary 2 Close the cover and carefully punch holes through the cover fabric that correspond with the determined mounting holes for the Headrest Clamp 3 Open and pull down the front half of the cover enough to access the appropriate mounting holes on the Headrest Plate 4 Place the Headrest Clamp on the outside of the back cover and push the mounting screws inward through the fabric and through the Headrest Plate 5 Secure bolt the Headrest Clamp into place see note below and close the cover Headrest Clamp Mounting Holes PLEASE NOTE The Headrest Plate is recessed into the Back Pan to prevent hardware from protuding into the back cushion Please ensure that the hardware from the headrest clamp does not extend beyond this recessed area Headrest Plate Back Pan WARNING Headrests that have been fitted onto the MaTRx PB back are not intended for use during transport and will not provide adequate support in the event of a crash Users of wheelchairs should be transferred into appropriate seating in vehicles for transportation and use be made of the restraints made available by the auto industry z Q Concepts Mot
13. tic inserts if required 4 Starting on one side position the Cane Clamp at the desired height on the back post and tighten the clamp screws enough to hold it in place Clamps and set screws will be fully tightened after the back is installed and all final adjustments have been made 5 From a fixed point on the wheelchair e g seat frame measure the exact height of the installed Cane Clamp assembly and install the second Cane Clamp at the same height on the opposite back post see Figure 5 below Ensure the Cane Clamps Mounting Plates are mounted parallel with each other Install Cane Clamps at equal heights and parallel to each other Front view of wheelchair with Back removed Concepts mn Motio 4 0 MaTRx PB Installation Instructions Upper Adjustment Slot ITT ae NOTE Additional upper and lower adjustment slots are provided on the Mounting Plate to allow alternate mounting heights if obstacles are encountered Using these Alternate Mounting Slots will increase or decrease the back height by 7 8 22mm note these alternate slots will limit the range of available depth and or recline angle adjustment Mounting Plate Lower Adjustment Slot 6 To install the MaTRx PB onto the mounting plates Step 1 Slide the lower mounting pins into the hooked slots at the bottom of each mounting plate see Figure 6 Step 2 With the lower pins in place lock snap the upper mounting pins int
14. to allow interfacing of our PB elite backs onto wheelchair seat frames up to 2 5 cm wider than the actual back width Note EMP s are only for use with our standard back sizes for up to 300Ib 136kg weight capacity EMP s are not recommended for use in Tilt applications I Concepts Moti n 4 0 MaTRx PB Installation Instructions 8 Mounting Pin Adjustment i With the back secured in place on the wheelchair determine the amount of adjustment required for each mounting pin see below ii Remove the backrest from the wheelchair and use a wrench to loosen the flange nut on each pin that requires adjustment If necessary replace the standard mounting pins with long mounting pins iii Adjust the mounting pin depth clockwise to shorten counter clock wise to lengthen so that a minimum gap of 1 8 3mm exists between the top of the pin and the mounting plate Re tighten each flange nut to secure the pins in place ensure pins do not rotate when tightening the flange nuts NEVER use loctite on mounting pin hardware T PLEASE NOTE Ensure flange nuts are fully tightened Failure to do so may cause damage cracking in the back pan optional Long Mounting Pin 2 1 2 64mm lt Standard Mounting Pin 1 7 8 48mm 5 8 16mm Flange Nut 1 8 3mm S Mounting Pin Molded Back Pan Molded Back Pan n Mountifig Plate si A CAUTION Improper p
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