Invacare A-4 Series Owner'S Operator And Maintenance Manual Download

Page: 43 / 68

Part No. 1110545

A-4

ADJUSTING QUICK-RELEASE AXLE (FIGURE 2)

1. Remove rear wheel and quick-release axle from the wheelchair.
2. Depress detent pin in the quick-release axle and slide axle through the wheel hub.
3. Release detent pin ensuring that the

locking pins are fully released.

4. Increase or decrease end play by

adjusting the locknut on the end of the

quick-release axle.

WARNING

Make sure the detent pin and

locking pins of the quick-release

axle are fully released BEFORE

operating the wheelchair.
Keep locking pins clean.

5. Reinstall rear wheel onto the

wheelchair.

INSTALLING QUAD-RELEASE AXLE (FIGURE 3)

1. Remove rear wheel and existing

quick-release axle from wheelchair.

2. Remove EXISTING quick-release axle

from rear wheel hub.

3. Insert NEW quad-release axle through

rear wheel hub.

4. Slide locking collar onto quad-release

axle until it is snug against rear wheel and

tighten securely with allen screw.

5. Reinstall rear wheel and the quad-

release axle onto the wheelchair.

WARNING

Make sure the detent pin and locking pins of the quad-release axle are

fully released BEFORE operating the wheelchair.
Keep locking pins clean.

6. Flip handle of quad-release axle down to release detent pin ensuring that locking

pins are fully released.

7. If detent pin does not fully release, proceed to ADJUSTING THE QUAD-RELEASE

HANDLE IN AND/OR OUT in this section of the manual.

8. Repeat STEPS 1-7 for the opposite rear wheel.

Detent Pin

Locknut

Locking

Pins

Camber Bushing

Wheel Hub

Quick- Release Axle

NOTE: End of Quick-Release axle is shown for

reference only. It is not visible when inserted

into camber bar.

FIGURE 2 - ADJUSTING

QUICK-RELEASE AXLE

Allen Screw

Quad-Release Axle

Rear Wheel Hub

Locking Collar

Camber Bushing

FIGURE 3 - INSTALLING

QUAD-RELEASE AXLE

NOTE: End of Quad-Release axle is shown for

reference only. It is not visible when inserted

into camber bar.

SECTION 5

WHEELS

Summary of Contents for A-4 Series

Page 1: ...tenance Manual Owner s Operator And Maintenance Manual A 4 Adjustable Seat Angle DEALER THIS MANUAL MUST BE GIVEN TO THE USER OF THE WHEELCHAIR USER BEFORE USING THIS WHEELCHAIR READ THIS MANUAL AND S...

Page 2: ...THOUT FIRST READING AND UNDERSTANDING THIS MANUAL IF YOU ARE UNABLE TO UNDERSTAND THE WARNINGS CAUTIONS AND INSTRUCTIONS CONTACT A QUALIFIED TECHNICIAN BEFORE ATTEMPTING TO USE THIS EQUIPMENT OTHERWIS...

Page 3: ...STERY 20 UNFOLDING FOLDING THE BACK 20 REMOVING INSTALLING STANDARD BACK UPHOLSTERY 21 ADJUSTABLE TENSION BACK UPHOLSTERY 22 SEAT UPHOLSTERY REPLACEMENT 23 SECTION 4 FRAME 24 BACK ANGLE ADJUSTMENT 24...

Page 4: ...MENT REPLACEMENT 46 REPLACING ADJUSTING CASTERS 46 REPLACING FORKS 47 ADJUSTING CASTER HEIGHT 48 ADJUSTING FRONT SEAT TO FLOOR HEIGHT 49 SECTION 6 FOOTREST 56 FOOTREST REPLACEMENT ADJUSTMENT 56 SECTIO...

Page 5: ...transportedinvehiclesofany kindwhileinwheelchairs Asofthisdate theDepartmentofTransportationhasnot approvedanytie downsystemsfortransportationofauserwhileinawheelchair in amovingvehicleofanytype ItisI...

Page 6: ...anual for proper anti tipper setting 1085379 WARNING WARNING DO NOT OPERATE WITHOUT THE ANTI TIP TUBES INSTALLED REV 5 98 P N 60106X144 WARNING REV 10 98 1026960 Detent balls should extend beyond the...

Page 7: ...1 2 to 20 inches 24 inch 16 1 2 to 20 inches 26 inch Back Style Fold Down Back Height 8 to 20 inches Adjustable 8 11 10 14 12 16 14 18 or 16 20 inch ranges Footrest 5 inch Adjustable Height Adjustabl...

Page 8: ...uses the wheelchair to decrease in stability ALWAYS ensure stability BEFORE moving the rear wheels forward TEST wheelchair BEFORE it is occupied by the end user to ensure safety Footrest Position Seat...

Page 9: ...lchair between floors Serious bodily injury may occur NEVER position the camber inserts in the axle tube with more than 3 inches 3 inches is 12 indexing marks showing of the camber insert outside of t...

Page 10: ...guard for the wheelchair user ALWAYS use the handrims for self propulsion Inasmuch as the HANDRIMS are an option on this wheelchair you may order with or without the handrims Invacare strongly recomme...

Page 11: ...wear your seat positioning strap Inasmuch as the SEAT POSITIONING STRAP is an option on this wheelchair You may order with or without the seat positioning strap Invacare strongly recommends ordering t...

Page 12: ...re the wheelchair user to reach bend and transfer in and out of the wheelchair These movements will cause a change to the normal balance the center of gravity and the weight distribution of the wheelc...

Page 13: ...ks WARNING DO NOT attempt to reach objects if you have to move forward in the seat or pick them up from the floor by reaching down between your knees Reaching Leaning Backwards WARNING DO NOT lean ove...

Page 14: ...ovable non detachable part of the wheelchair frame when lifting the wheelchair and stabilizing the wheelchair when the wheelchair is being lowered to the ground The first assistant should stand on the...

Page 15: ...s and making thorough preparations Make sure to use ONLY secure non detachable parts for hand held supports Follow this procedure for moving the wheelchair between floors when an elevator is NOT avail...

Page 16: ...yourself as far back as possible in the seat This will prevent damaged upholstery and the possibility of the wheelchair tipping forward NOTE This activity may be performed independently provided you h...

Page 17: ...n hardware X X Inspect fastening flaps to ensure they securely latch X X REAR WHEELS Quick Quad release axles lock properly Lubricate if necessary with Teflon lubricant ONLY X X No excessive side move...

Page 18: ...t 2 Keep quick release axles free of dirt and lint to ensure positive locking and proper operation Refer to ADJUSTING THE QUICK RELEASE AXLE in SECTION 6 of this manual WARNING DO NOT use WD 40 3 in 1...

Page 19: ...ters and tires should be checked periodically for cracks and wear and should be replaced by a qualified technician if damaged 7 Regularly check for loose worn or cracked spokes in the rear wheels and...

Page 20: ...k canes forward towards the front of the wheelchair FIGURE 1 UNFOLDING FOLDING THE BACK FRONT OF WHEELCHAIR REAR OF WHEELCHAIR Back Cane NOTE Back upholstery removed for clarity Section 3 Upholstery i...

Page 21: ...bility EXTREME care MUST be taken when changing the stability of the wheelchair Refer to the chart in STABILITY in SECTION 1 of this manual REMOVING STANDARD BACK UPHOLSTERY 1 Unfasten the two 2 faste...

Page 22: ...second is to keep the cushion from sliding out of the back of the wheelchair 3 The third is a sacral support depending upon how far or tight the seat portion of the back upholstery cover is pulled und...

Page 23: ...existing seat upholstery 4 Install the NEW seat upholstery by reversing the above steps 5 Reinstall the seat cushion onto the wheelchair 4 Secure adjustable tension back upholstery to the back canes...

Page 24: ...esult BACK ANGLE ADJUSTMENT FIGURE 1 NOTE Perform this procedure on both sides of the wheelchair at the same time 1 Loosen but DO NOT remove the locknuts and hex screws that secure the back angle brac...

Page 25: ...ngle Bracket Seat Rail TOP Hex Screw and Locknut Back Cane Indexing Notch Cam Back Angle Bracket Seat Rail TOP Hex Screw and Locknut Back Cane Indexing Notch Cam Back Angle Bracket Seat Rail TOP Hex S...

Page 26: ...e height BEFORE reassembling the wheelchair 2 Press the push pin on the back cane insert bar IN and adjust the back height to one 1 of five 5 heights depending on original back height BACK HEIGHT IN I...

Page 27: ...vailable adjustment slots depends on the configuration of the wheelchair Refer to specifications in this manual for complete information 1 Remove the two 2 screws nylon washers and locknuts that secur...

Page 28: ...t securing the FRONT of the back angle bracket to the seat frame as shown in DETAIL C of FIGURE 4 9 Repeat STEPS 7 8 for the opposite side of the wheelchair 10 Remove the back canes with back angle br...

Page 29: ...Spacer Washers Washer Locknuts Back Angle Bracket Stop Hook Hook Stop Back Angle Bracket Seat Rail DETAIL A REAR SEAT FRAME DETAIL D INSTALLING THE BACK DETAIL C REMOVING INSTALLING THE BACK DETAIL B...

Page 30: ...o the axle tube will occur 1 Perform one 1 of the following to open a camber clamp A QUICK RELEASE LEVERS Pull the quick release lever to the open position B STANDARD CAMBER CLAMPS Loosen but do not r...

Page 31: ...erline measurement of the rear wheels is SMALLER than the front centerline measurement of the rear wheels a TOE OUT condition exists FIGURE 6 B If the back centerline measurement of the rear wheels is...

Page 32: ...ing the wheelchair otherwise personal injury or damage to the wheelchair may result STANDARD CAMBER CLAMPS Make sure the socket screws are securely tightened BEFORE using the wheelchair otherwise pers...

Page 33: ...3 9 3 12 6 9 or 6 12 CAMBER INSERTS 0 3 OR 6 CAMBER 9 OR 12 CAMBER Camber Clamp LEFT Toe Adjustment Ring Axle Tube Will Rotate DOWN Only Camber Clamp RIGHT Toe Adjustment Ring Axle Tube Will Rotate UP...

Page 34: ...sert is at a 90 angle with the ground floor as shown in FIGURE 8 4 Close the RIGHT camber clamp Refer to OPENING CLOSING CAMBER clamps in this section of the manual 5 Rotate the LEFT toe adjustment ri...

Page 35: ...If desired reposition camber inserts to the desired degree of camber Refer to REPOSITIONING CAMBER INSERTS ADJUSTING REAR WHEEL CAMBER in this section of the manual FIGURE 8 ADJUSTING THE AXLE TUBE L...

Page 36: ...3 inches 12 indexing marks of the camber inserts outside of axle tube 7 Slide the indexing ring on the camber insert until it is flush with the camber clamp WARNING QUICK RELEASE LEVERS Make sure the...

Page 37: ...bushing or there is too much movement of the rear wheel assembly in a back and forth position refer to ADJUSTING QUICK RELEASE AXLES or REMOVING THE PLAY FROM THE REAR WHEELS in SECTION 5 of this manu...

Page 38: ...se the maneuverability distribute additional weight onto the rear wheels and make the wheelchair less stable NOTE The performance of the wheelchair will be affected if the camber clamps do not sit flu...

Page 39: ...ng on the camber insert until it is flush with the camber clamp NOTE Before using the wheelchair make sure both camber inserts are set at the same indexing mark This will make sure the distance betwee...

Page 40: ...ube through the other camber clamp until the end of the axle tube is flush with the outside of the camber clamp NOTE DO NOT close the quick release levers or tighten the socket screws that secure the...

Page 41: ...amber Insert Slot in Axle Tube Camber Clamp Set Screw NOT SHOWN Toe Adjustment Ring Rear of Wheelchair Axle Tube Notch in Axle tube Camber Clamp Camber Insert Indexing Ring FIGURE 12 REPLACING AXLE TU...

Page 42: ...xle with rear wheel wheel out of the wheelchair frame 2 Push in the tip of the quick release axle again and pull the axle out of the existing rear wheel 3 Repeat STEPS 1 2 for the opposite rear wheel...

Page 43: ...it is snug against rear wheel and tighten securely with allen screw 5 Reinstall rear wheel and the quad release axle onto the wheelchair WARNING Make sure the detent pin and locking pins of the quad...

Page 44: ...locking pins of the quad release axle are fully released BEFORE operating the wheelchair Keep locking pins clean 6 Flip the handle of the quad release axle down to release the detent pin ensuring tha...

Page 45: ...l 4 Remove the existing handrim 5 Install the new handrim by reversing the above procedures WARNING DO NOT inflate tire until it is completely assembled 6 Inflate tire to correct psi rating on the sid...

Page 46: ...e tire is obtained NOTE Any wheel lock adjustment should embed the wheel lock shoe at least 3 16 inch into the pneumatic tire when engaged 4 Engage the wheel locks and push against the wheelchair and...

Page 47: ...reinstallation 4 Drop the fork out of the caster headtube 5 Slide the new fork into the caster headtube NOTE Check bearing assemblies and replace if necessary 6 Ensure that fork slides completely int...

Page 48: ...spacer from the fork stem 3 Install the fork stem through the headtube 4 Install the washer spacer onto the fork stem 5 Loosely secure the fork stem with the locknut C NO SPACER ADJUSTMENT NECESSARY P...

Page 49: ...the frame size LENGTH INCHES FRAME SIZE 11 17 12 18 13 19 14 20 15 21 SECTION 5 WHEELS WHEELS FRONT SEAT TO FLOOR HEIGHT ADJUSTMENT FIGURE 12 NOTE Refer to STABILITY in SECTION 1 for warnings concerni...

Page 50: ...r to the ground 6 Anti tipper height if applicable must be adjusted to maintain 1 1 2 to 2 inch clearance between the bottom of the anti tipper wheels and the floor Refer to ADJUSTING ANTI TIPPER HEIG...

Page 51: ...SPACER HEIGHT SIZE SIZE POSITION NEEDED 16 INCHES 22 INCH 3 INCH SHORT N A NO 16 INCHES 22 INCH 4 INCH SHORT N A NO 17 INCHES 22 INCH 3 INCH SHORT N A YES 17 INCHES 24 INCH 3 INCH SHORT N A YES 17 INC...

Page 52: ...D 17 INCHES 22 INCH 3 INCH SHORT N A NO 17 INCHES 22 INCH 4 INCH SHORT N A NO 17 INCHES 24 INCH 3 INCH SHORT N A NO 17 INCHES 24 INCH 4 INCH SHORT N A NO 18 INCHES 22 INCH 3 INCH SHORT N A YES 18 INCH...

Page 53: ...D 18 INCHES 22 INCH 3 INCH SHORT N A NO 18 INCHES 22 INCH 4 INCH SHORT N A NO 18 INCHES 24 INCH 3 INCH SHORT N A NO 18 INCHES 24 INCH 4 INCH SHORT N A NO 19 INCHES 22 INCH 3 INCH SHORT N A YES 19 INCH...

Page 54: ...D 19 INCHES 22 INCH 3 INCH SHORT N A NO 19 INCHES 22 INCH 4 INCH SHORT N A NO 19 INCHES 24 INCH 3 INCH SHORT N A NO 19 INCHES 24 INCH 4 INCH SHORT N A NO 20 INCHES 22 INCH 3 INCH SHORT N A YES 20 INCH...

Page 55: ...D 20 INCHES 22 INCH 3 INCH SHORT N A NO 20 INCHES 22 INCH 4 INCH SHORT N A NO 20 INCHES 24 INCH 3 INCH SHORT N A NO 20 INCHES 24 INCH 4 INCH SHORT N A NO 21 INCHES 22 INCH 3 INCH SHORT N A YES 21 INCH...

Page 56: ...remove the two 2 allen screws that secure the footrest to the wheelchair frame 2 Slide the existing footrest tubes out of the wheelchair frame and install new footrest by reversing this step 3 Positio...

Page 57: ...move the two 2 footrest tubes from the wheelchair frame 4 Loosen but do not remove the four 4 locknuts that secure the footplate to the footrest tubes 5 Remove the footrest tubes from the footrest 6 I...

Page 58: ...A ANTI TIPPER ADJUSTMENT WARNING When anti tippers are used anti tippers MUST be adjusted to maintain a 1 1 2 to 2 inch clearance between the bottom of the anti tipper wheels and the ground floor Thi...

Page 59: ...ipper socket 2 Insert the new anti tipper into the anti tipper socket until release button engages 3 Press in the release button on the anti tipper bar and install the anti tipper wheels onto the new...

Page 60: ...hair Refer to REMOVING INSTALLING REAR WHEELS in SECTION 5 of this manual 2 Position the inner T arm bracket on the wheelchair frame as shown in FIGURE 1 NOTE The inner T arm bracket must be positione...

Page 61: ...If the T arm does not slide in the T arm socket as desired adjust the T arm socket Refer to ADJUSTING THE T ARMS in this section of the manual 4 Adjust the T arm for desired height width and depth if...

Page 62: ...arm post does not slide up and down in the outside T arm post as desired perform one 1 of the following A Tighten Tightening the set screws on the outside T arm post will make it more difficult to mov...

Page 63: ...GURE 5 ADJUSTING T ARM DEPTH ADJUSTING T ARM DEPTH FIGURE 5 1 Remove the two 2 phillips screws that secure the arm pad to the arm tube 2 Remove the two 2 socket screws that secure the arm tube to the...

Page 64: ...ocking lever is in the slot in the T arm socket and an audible click is heard 4 Squeeze the outer T arm bracket and the inner T arm bracket together until the socket is flush with the T arm 5 While ho...

Page 65: ...re the side guard to the bottom clamp NOTE Adjusting the side guards will directly affect the position of the transfer assist 3 Perform one 1 of the following Small Side Guards Move the bottom clamp u...

Page 66: ...lace if necessary 4 Position spring on bottom bracket as shown in FIGURE 5 5 Position NEW locking lever onto spring and bottom bracket DETAIL A NOTE Make sure the two 2 extended ends of the spring are...

Page 67: ...unting hole in the arm socket bottom coved washer wheelchair frame and washer and securely tighten with locknut 7 Securely tighten the top hex screw that secures the arm socket to the wheelchair frame...

Page 68: ...ed your Invacare product In the event you do not receive satisfactory warranty service please write directly to Invacare at the address below provide dealer s name address and the date of purchase ind...

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