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SECTION 5—REAR WHEELS/FRONT CASTORS

Adjusting Fork Rotation

W A R N I N G

After ANY adjustments, before use, make sure all attaching hardware
is tightened securely - otherwise injury or damage may occur.

NOTE: For this procedure, refer to FIGURE 5.6.

1. Remove the dust cover from the caster head tube.

2. To properly tighten castor journal system and guard

against flutter, perform the following check:

A. Tip back the wheelchair to floor.

B. Pivot caster fork assemblies in rear position

C. Push caster to initiate clockwise movement

D. Let caster fork assembly rotate freely,

if not change the upper specific bearing.

3. Adjust locknuts to appropriate torque (15/20 Nm)

with a 19 mm socket wrench.

4. Test wheelchair for manoeuvrability.

5. Snap dust cover into the caster head tube.

6. Perform STEPS 1 to 5 on the other side.

Fork

FIGURE 5.6

Adjusting Fork Rotation

Vertical Axle

Caster
Head tube

Bearings

Dust
cover

Locknut

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19
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Содержание Action 1 R

Страница 1: ...1638725 A May 2017 Invacare Action 1 R S E R V I C E M A N U A L M A I N T E N A N C E A N D A D J U S T M E N T The procedures in this manual MUST be performed by a qualified technician ...

Страница 2: ...SECTION 3 ARMRESTS 10 Removing Installing Swing Away Armrest 10 Replacing Armrest Arm Pad 11 SECTION 4 SEAT BACK 12 Removing Installing Seat Upholstery 12 Removing Installing Standard Back Upholstery 13 Installing Removing Seat Posture Belt 14 Installing Removing the Back brace 15 SECTION 5 REAR WHEELS FRONT CASTERS 16 Removing Installing Rear Wheels 16 Fixed Axles Transit version 16 Quick Release...

Страница 3: ...to Floor Height 23 SECTION 7 WHEEL BRAKES 25 Adjusting Wheel Brakes 26 Installing Adjusting Hub Brakes 27 SECTION 8 ANTI TIPPERS 29 Installing Adjusting Anti Tippers 29 Adjusting Anti Tippers 30 SECTION 9 PERIODIC MAINTENANCE GUIDELINES 31 Initially 31 Weekly Monthly Annually 32 ...

Страница 4: ...neral Information User manual and pre sales information For pre sales information and user manual related to this wheelchair please consult the www invacare eu com website NOTE Please recommend the user to follow the rules mentioned in the User Manual about Maintenance Schedule Cleaning and Troubleshooting sections Troubleshooting ...

Страница 5: ...tightened FINGERTIGHT Suggested Maintenance Procedures 1 Before using your wheelchair make sure all nuts and bolts are tight Check all parts for damage or wear and replace Check all parts for proper adjustment 2 Keep quick release axles free of dirt and lint to ensure positive locking and proper operation Refer to Adjusting Quick Release Axles in section 5 W A R N I N G DO NOT use WD 40 3 in 1 oil...

Страница 6: ... Use a Teflon lubricant if necessary 9 Check upholstery for sagging rips or tears 10 Clean upholstery with mild soap and water Stability Warning The seat height seat depth back angle seating system upholstery size position of the rear wheels size position of the front castors seating options e g headrest back bag as well as the user condition directly relate to the stability of the wheelchair Any ...

Страница 7: ...o equipped 2 Unscrew locking bolt 10 mm Spanner 3 Position the footrest assembly to the desired height NOTE A 50 mm clearance between the bottom of the footplate and the ground floor MUST be maintained at all times 4 If the distance between the bottom of footplate and the ground floor is not 50 mm minimum adjust footrest tube accordingly 5 Using the locking bolt with 10 mm Spanner secure the footr...

Страница 8: ... the footrest tube to the footrest support 7 Securely tighten 5Nm Adjusting Elevating Legrest Angle Height and Calf pad Height Depth NOTE For this procedure refer to FIGURE 2 3 Adjusting the Legrest Angle There are nine pre set positions available for angle adjustment 1 Loosening the knob and pull it up with one hand while supporting the leg rest with your other hand 2 Adjust into one of nine pre ...

Страница 9: ...e footrest support Securely tighten 5 Nm 5 If necessary repeat STEPS 2 4 to adjust remaining footrest Adjusting Calf pad Depth 1 Remove the Locking Screw B that secure the calf pad to the calf pad bracket 2 Insert Locking Screw B through one of three calf pad bracket mounting holes 3 Using the Locking Screw B secure the calf pad to the calf pad bracket 4 If necessary repeat STEPS 1 3 to adjust rem...

Страница 10: ... arm socket 3 Push on the rear locking pin to remove it from the rear pivot socket 4 Repeat STEPS 1 3 for opposite side of wheelchair if necessary Installing Swing Away Armrest 1 If necessary remove existing armrest assembly as describe above 2 Install new existing armrest assembly first into the rear pivot socket and into the front arm socket 3 Lock new existing armrest assembly by operate the pu...

Страница 11: ... 2 1 Remove the mounting screws that secure the arm pad to the armrest assembly 2 Replace arm pad and securely tighten with the existing mounting screws M5 3 Repeat STEPS 1 2 for the opposite side if necessary FIGURE 3 2 Replacing Armrest Arm Pad Armrest assembly Arm pad Mounting screws M5 ...

Страница 12: ... For this procedure refer to FIGURE 4 1 Removing Seat Upholstery NOTE To install the seat upholstery reverse this procedure 1 Fold the wheelchair 2 Remove the mounting screws and washers that secure the existing seat upholstery to the cross braces 3 Remove the existing seat upholstery from the cross braces 4 Install new seat upholstery by reversing STEPS 1 3 FIGURE 4 1 Removing Installing Seat Uph...

Страница 13: ...anes Cut the handle lengthwise thanks to a sharp tool 3 Remove the mounting screw that secures the back upholstery to the back canes 4 Remove the back upholstery from the back canes 5 Set the new back upholstery with 2 new mounting screws 6 Install the new handles on the back canes Previously dip the handle into a solution of neutral alcohol and settle it immediately on the back cane Back Cane FIG...

Страница 14: ... posture belt 5 Align the mounting holes on the rear pivot socket hole on the wheelchair frame and one end of the new seat posture belt 6 Secure the new seat posture belt with one mounting screw and washer Tighten securely 7 Repeat STEPS 5 and 6 for the opposite side of the seat posture belt 8 Reinstall seat cushion onto wheelchair if necessary NOTE Seat upholstery removed for clarity on figure 4 ...

Страница 15: ...ocedure 1 Remove the end caps from the back canes 2 Remove the handles from the back canes Cut the handle lengthwise thanks to a sharp tool 3 Install the inserts into the canes fixed backrest canes only 4 Secure the inserts with mounting screws fixed backrest canes only 5 Install the handles on the back canes Previously dip the handle into a solution of neutral alcohol and settle it immediately on...

Страница 16: ...heels 1 12 remove the fixed axle washers and locknut that secure rear wheel to the axle bracket Remove existing rear wheel from the wheelchair 2 Install new existing rear wheel onto wheelchair Refer to Installing Transit Kit paragraph see STEPS 3 6 only 3 24 rear wheel remove the complete wheel from the side frame Refer to Removing Installing 24 Rear Wheels paragraph Installing Transit Kit 1 Alway...

Страница 17: ...oth of the following Changing the mounting position on the fork Refer to Removing Installing Repositioning the Castor Assemblies paragraph Changing the rear height positioning Refer to Changing Seat to Floor Height paragraph see table and figure 6 1 Fixed Axle FIGURE 5 1 Removing Installing Rear Wheels Axle Bracket Washers Locknut Transit Brake Brake Hardware Axle Brackets Hardware ...

Страница 18: ...ar wheel hub for a positive lock Keep locking pins clean Always make sure that the spacer is in place Invacare recommends inserting quick release axles with the head end to the inside of the wheelchair to prevent accidental release during contact leisure activities Installing 1 Install the existing quick release axle through the new existing rear wheel and the spacer 2 Install the new existing rea...

Страница 19: ...nstalling Rear Wheels paragraph 6 Repeat STEPS 4 5 until the quick release axle detent pins are fully released past the wheelchair frame Replacing Handrims NOTE for this procedure refer to FIGURE 5 4 NOTE To replace the handrims use 8 new mounting pre glued screws M5 1 Remove the rear wheel from the wheelchair Refer to Removing Installing Rear Wheels paragraph 2 Remove the mounting screws that sec...

Страница 20: ...ion Refer to Removing Installing Rear Wheels paragraph 3 Repeat STEPS 1 to 2 for the other rear wheel NOTE Both rear wheels should be set at the same position Replacing Repairing Rear Wheel Front Caster Tire Tube C A U T I O N As with any vehicle the wheels and tires should be checked periodically for cracks and wear and should be replaced when necessary FIGURE 5 5 Adjusting Rear Wheel Height Rear...

Страница 21: ...against flutter perform the following check A Tip back the wheelchair to floor B Pivot caster fork assemblies in rear position C Push caster to initiate clockwise movement D Let caster fork assembly rotate freely if not change the upper specific bearing 3 Adjust locknuts to appropriate torque 15 20 Nm with a 19 mm socket wrench 4 Test wheelchair for manoeuvrability 5 Snap dust cover into the caste...

Страница 22: ...t seat to floor height NOTE Both front casters MUST be the same size and adjusted to the same height For this procedure refer to FIGURE 5 7 Removing Front Caster 1 Remove the mounting bolt and locknut that secure the front caster to the fork 2 Remove the caster from the fork Installing Front Caster 1 Using the mounting bolt and locknut 5 6 Nm secure the front caster to the desired caster mounting ...

Страница 23: ...e position of the front castors seating options e g headrest back bag as well as the user condition directly relate to the stability of the wheelchair Any change to one or any combination of the nine may cause the wheelchair to decrease in stability Refer table on page 6 Always check castor vertical axis is to 90 1 from the ground NOTE For this procedure refer to the table to determine adjustment ...

Страница 24: ...SEAT ANGLE 3 REAR WHEEL FRONT CASTOR SEAT HEIGHT 24 8 500 mm A A 450 mm B B SEAT ANGLE 3 REAR WHEEL FRONT CASTOR SEAT HEIGHT 12 8 500 mm A A 450 mm B B FIGURE 6 2 Seat To Floor Height Self Propulsion A B A 500 mm B A B 450 mm FIGURE 6 1 Seat To Floor Height Transit ...

Страница 25: ...re that the tires are inflated to the recommended BAR KPa P S I on the side wall of the tire Adjusting Wheel Brake Position NOTE For this procedure refer to FIGURE 7 1 1 Remove the two mounting screws that secures the wheel brake assembly to the wheelchair frame 2 Remove the wheel brake assembly from the clamp assembly 3 Move the clamp assembly if necessary to the other wheel brake position on the...

Страница 26: ...m for solid tire and for pneumatic 4 Securely tighten the set of bolts Detail A 5 Repeat STEPS 1 4 for the opposite wheel brake 6 Engage the wheel brakes and push against the wheelchair to determine if the wheel brakes engage the rear wheels enough to hold the occupied wheelchair 7 Repeat STEPS 1 6 until the wheel brakes engage the rear wheels enough to hold the occupied wheelchair FIGURE 7 2 Adju...

Страница 27: ... BAR KPa P S I on the side wall of the tire Installing Hub Brakes NOTE For this procedure refer to FIGURE 7 4 1 Remove the rear wheel Refer to Removing Installing Rear Wheels paragraph 2 Remove the locknut and washer that secures the QR axle bush to the axle plate 3 Thread a brake shoe support on a QR axle bush 30 35 Nm support then add spacer HB 4 Present the set in front of the axle plate outsid...

Страница 28: ...shoes support by tightening the cable bolt 3 Adjust the cable tension to desire brake effort by screw unscrew the tensional bolt situated on the brake shoes support 4 Repeat STEPS 1 to 3 for the other side NOTE the cable adjustment MUST have the same brake effect on both sides Tensional Bolt Cable Brake Shoes Support Backrest cane Brake Lever FIGURE 7 5 Installing Adjusting Hub Brake Lever Cable B...

Страница 29: ...ed to the same mounting hole Installing Adjusting Anti Tippers Installing Anti Tippers NOTE For this procedure refer to FIGURE 8 1 1 Press release buttons in and insert anti tippers with the anti tipper wheels pointing toward ground floor into the rear frame tubing until bottom release button locks in place 2 Measure the distance between the bottom of the anti tipper wheels and the ground floor 3 ...

Страница 30: ...located outside the rear wheel volume Failure to maintain proper spacing may result in the chair tipping over backward causing serious injury or property damage 1 Press the release buttons on the wheeled portion of the anti tipper and slide it up or down to achieve the 40 to 50 mm clearance 2 Check to make sure that the release buttons are fully engaged in adjustment holes NOTE Make sure that the ...

Страница 31: ...rest canes Sealed bearings and axle nut tension are correct No excessive side movement or binding when rear wheels are lifted and spun Quick release axles lock properly see page 17 Inspect handrims for signs of rough edges or peeling finish Inspect for broken spokes Wheel fork assembly has proper tension when caster is spun Caster should come to a gradual stop Wheel bearings are clean and free of ...

Страница 32: ...ling Wheel brake pivot point are free of wear and looseness Ensure all castor wheel fork head tube fasteners are secure see pages 6 20 Ensure all hardware is tight see page 6 Ensure hand grips are secure to backrest canes Ensure castors are free of debris Inspect Adjust every twelve months 1 2 Wheelchair rolls straight no excessive drag or pull to one side Arms are secure but easy to release and l...

Страница 33: ...r tension when caster is spun Caster should come to a gradual stop Loosen tighten locknut if wheel wobbles noticeably or binds to a stop Wheel bearings are clean and free of moisture Wheel brakes are easy to engage Clean quick release axles with a Teflon lubricant Ensure axles are free from dirt lint etc Ensure roller bearings are free from dirt lint etc Adjust wheel brakes as tires wear Clean and...

Страница 34: ...1638725 A 05 2017 Invacare France Operations SAS Route de St Roch 37230 Fondettes France ...

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