Invacare 3G Storm Series Service Manual Download Page 43 | Manualshive

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SECTION 6—TROUBLESHOOTING

Part No. 1104849

43

3G Storm Series® Wheelchairs

SECTION 6—TROUBLESHOOTING

WARNING

After ANY adjustments, repair or service and BEFORE use, make sure that all

attaching hardware is tightened securely - otherwise injury or damage may result.

Troubleshooting

NOTE: For additional troubleshooting information and explanation of error codes, refer to the
individual electronics manual supplied with each wheelchair.

Wheels

Troubleshooting - Wiring Harness

WHEELCHAIR VEERS

LEFT/RIGHT

SLUG

GISH TUR

N

/

PERFORMANCE

CAST

ERS

FLUTTER

SQUEA

K

S AND

RA

TTLES

LOOSENESS

IN WHEELCHAIR

WHEELCHAIR 3

WHEELS

SOLUTIONS

X

X

X

If pneumatic, check tires for correct and equal pressure.

X

X

X

X

Check for loose stem nuts/bolts.

X

X

Check that casters contact ground at the same time.

SYMPTOM

PROBABLE CAUSE

SOLUTIONS

No power to
wheelchair motors.

Bad connection or blown fuse.
Check Joystick connection.

Check all connections and housings for damage.
Replace fuse if blown.

Loose battery connections

Check battery cable connections, may have
vibrated loose when driving on rough terrain.

E28 Error code.

Charger still plugged in when user
tries to drive the wheelchair.

Unplug charger to drive wheelchair.

Drive lockout condition in High
back Van seat, Recliners, and Power
Seating Systems.

Return to proper seat and back angle. Re-cali-
brate mercury switch or reconnect wiring (may
have come loose). Check POT Calibration or
Mercury switch on chairs equipped with power
seating.

Damaged controller connections.

Repair connection, or clean contacts.

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Summary of Contents for 3G Storm Series

Page 1: ...l The procedures in this manual MUST be performed by a qualified technician For more information regarding Invacare products parts and services please visit www invacare com 3G Storm Series Wheelchairs Arrow RWD Torque SP RWD Ranger X RWD ...

Page 2: ...IED TECHNICIANS DO NOT SERVICE OR OPERATE THIS EQUIPMENT WITHOUT FIRST READING AND UNDERSTANDING 1 THE OWNER S OPERATOR AND MAINTENANCE MANUAL 2 THE SERVICE MANUAL IF APPLICABLE AND 3 THE SEATING SYSTEM S MANUAL IF APPLICABLE IF YOU ARE UNABLE TO UNDERSTAND THE WARNINGS CAUTIONS AND INSTRUCTIONS CONTACT INVACARE TECHNICAL SUPPORT BEFORE ATTEMPTING TO SERVICE OR OPERATE THIS EQUIPMENT OTHERWISE INJ...

Page 3: ...lchairs with a 168 lb crash dummy which corresponds to a person with a weight of 114 to 209 lbs TRBKTS includes four factory installed wheelchair transport brackets TRBKTS has not been crash tested in accordance with WC 19 Use these transport brackets only to secure an unoccupied wheelchair during transport As of this date the Department of Transportation has not approved any tie down systems for ...

Page 4: ... strap helps reduce the possibility of a fall from the wheelchair The seat positioning strap is a positioning belt only It is not designed for use as a safety device withstanding high stress loads such as auto or aircraft safety belts If signs of wear appear seat positioning strap MUST be replaced IMMEDIATELY POWERED SEATING SYSTEM WARNING This seating system has been custom designed and will be a...

Page 5: ...NS 15 Arrow Before 10 6 06 15 Arrow After 10 5 06 16 Torque SP Before 10 6 06 17 Torque SP After 10 5 06 19 Torque SE 20 Ranger X Before 10 6 05 21 Ranger X After 10 5 06 23 2G Tarsys 24 Elevating Seat Power Tilt Only 25 For All Model Wheelchairs 26 SECTION 1 GENERAL GUIDELINES 27 Accessories 27 G Trac 27 Repair or Service Information 28 Operation Information 28 Tire Pressure 31 Electrical 31 Batt...

Page 6: ...3 Troubleshooting Electrical 47 Checking Battery Charge Level 53 Field Load Test 53 Motor Testing 54 Motor Brush Inspection 55 Electro Mechanical Parking Brake Testing 55 SECTION 7 ARMS 57 Replacing Van Seat Armrest Pads 57 Installing Removing Flip Back Armrests 57 Adjusting Flip Back Armrests 58 Adjusting Captain s Van Seat Armrests 59 SECTION 8 UPHOLSTERY POSITIONING STRAP 61 Replacing Van Seat ...

Page 7: ...ing the Seat Pan ADJASBA 80 Seat Angle Adjustment 81 Checking ASBA Seating System Mounting Position 82 Adjusting the Seating System Mounting Position 83 SECTION 10 BASE FRAME 85 Replacing Seat Mounting Plates 85 Replacing Seat Support Brackets 86 Replacing Seat Support Bracket T Nuts 86 Replacing Battery Charger Bracket and T Nut 87 Removing Installing Seat Stop Screws 88 Adjusting Weight Distribu...

Page 8: ...nstalling the Wiring Harness 131 SECTION 14 WHEELS MOTORS 138 Replacing Pneumatic Tires Tubes Drive Wheels Casters 138 Removing Installing Drive Wheels 138 Removing Installing Drive Wheel Hub 140 Removing Installing the SSD Motor Drive Wheel Wheel Hub 142 Removing Installing GB Motor Spacer 143 Removing Installing the Adapter Plate with Studs 144 Installing Wheel Lock Bracket onto Wheelchair 145 R...

Page 9: ... 173 Adjusting Limit Switch 174 Replacing Recliner Cable Assemblies 175 Replacing Adjusting Gas Cylinders 177 Adjusting Gas Cylinder 179 Changing Back Height 179 Changing Seat Depth 181 Changing Seat Width 182 SECTION 17 ANTI TIPPERS SHOCKS 185 Shock or Rubber Element Replacement 185 Shock Spring Replacement 189 Anti Tipper Wheel Replacement 190 Removing Installing the 3 inch Anti Tip Assembly 191...

Page 10: ...ery labels shown on this page are found on the inside of the battery box lids Rear Battery Box Lid Front Battery Box Lid Group 24 Batteries Only 4 Pole Motors with Group 24 Batteries Only Gearless Brushless GB Motors with Group 24 Batteries Only 22NF Batteries Only Elevate Systems with Group 24 Batteries Only ...

Page 11: ...x Assembly Suspension Arm Used with Standard Gearless Brushless Motor Suspension Arm Used with Gearless Brushless Motor Shown This stop MUST be in place BEFORE using DO NOT remove 1070497 WARNING NOTE Warning label also found on side frame near the front of the wheelchair Serial number label is located on the inside of the front or rear frame ...

Page 12: ...ith O2 Holders Wheelchairs with TRRO Wheelchairs without TRRO ASBA Seats Captain s Seats NOTE Also on opposite side NOTE Also on opposite side NOTE Also on opposite side NOTE Auto style seat positioning strap shown This label is also on the airline style seat positioning strap ...

Page 13: ...S Part No 1104849 13 3G Storm Series Wheelchairs Wheelchairs with 2G Tarsys NOTE These labels are present on both sides of the seating system Systems with Vent Trays Only Systems with Genius Mechanical Legrests Only ...

Page 14: ...LABEL LOCATIONS 3G Storm Series Wheelchairs 14 Part No 1104849 Wheelchairs with Elevating Seats NOTE This label pertains to elevate PTO systems This label does not apply to Formula CG seating systems ...

Page 15: ...WEIGHT W O BATTERIES APPROX 174 lbs 278 lbs 214 lbs DRIVE AXLE Adjustable Non Recliners ONLY DRIVE WHEELS TIRES 14 x 3 inch Foam filled or pneumatic CASTERS W PRECISION SEALED BEARINGS SEMI PNEUMATIC PNEUMATIC OR FOAM FILLED 8 x 2 inches Std 6 x 2 inches with shock fork Opt 8 x 2 inches Std 9 x 2 inches Opt ANTI TIPPER 3 inch wheels CASTER FORKS Standard Shock Fork Opt FOOTRESTS Telescoping Front ...

Page 16: ...ttery discharge indicator on the joystick to determine the range of their wheelchair Refer to When to Charge Batteries on page 116 for more information about the battery discharge indicator Arrow After 10 5 06 ARROW SEAT TO FLOOR Standard 17 inches Optional 19 or 21 inches OVERALL WIDTH OF BASE 25 inches without joystick OVERALL HEIGHT STANDARD MINIMUM MAXIMUM 34 inches 34 inches 44 inches OVERALL...

Page 17: ...ar with the battery discharge indicator on the joystick to determine the range of their wheelchair Refer to When to Charge Batteries on page 57 for more information about the battery discharge indicator Torque SP Before 10 6 06 TORQUE SP SEAT WIDTH Standard 12 to 24 inches Recliner 16 to 24 inches SEAT DEPTH Standard 12 to 22 inches Recliner 16 to 22 inches BACK HEIGHT Standard 12 to 24 inches Rec...

Page 18: ...upports Std Swing Away Std Heavy Duty Opt 2 in and 4 in longer Pivot Slide Tube Opt ARMRESTS Flip Back Fixed or Adjustable Height Desk and Full Length SEAT ANGLE ADJUSTMENT Adjustable 0 to 10 SEAT CUSHION Cushion Optional WHEELCHAIR UPHOLSTERY OPTIONS Vinyl and Nylon BATTERY REQUIREMENTS 251 300 LBS 4 POLE MOTOR 301 350 LBS 4 POLE MOTOR UP TO 400 LBS GEARLESS BRUSHLESS MOTOR 22NF Two 2 batteries i...

Page 19: ...k pack etc Example If weight limitation of the wheelchair is 300 lbs and additional items equal 25 lbs subtract 25 lbs from 300 lbs This means the maximum weight limitation of the user is 275 lbs TORQUE SP SEAT TO FLOOR Standard 17 inches Optional 19 or 21 inches OVERALL WIDTH OF BASE W O JOYSTICK 25 inches OVERALL HEIGHT STANDARD MINIMUM MAXIMUM 34 inches 34 inches 44 inches OVERALL LENGTH STANDA...

Page 20: ...etc Example If weight limitation of the wheelchair is 300 lbs and additional items equal 25 lbs subtract 25 lbs from 300 lbs This means the maximum weight limitation of the user is 275 lbs TORQUE SE SEAT TO FLOOR Standard 17 inches Optional 19 or 21 inches OVERALL WIDTH OF BASE W O JOYSTICK 25 inches OVERALL HEIGHT STANDARD MINIMUM MAXIMUM 34 inches 34 inches 44 inches OVERALL LENGTH STANDARD LONG...

Page 21: ...inches Recliner 16 to 22 inches SEAT DEPTH Standard 12 to 22 inches Recliner 16 to 22 inches BACK HEIGHT Standard 12 to 24 inches Recliner 18 to 26 inches BACK ANGLE RANGE Standard 85 to 105 Recliner 90 to 170 SEAT TO FLOOR Standard 17 inches Optional 19 or 21 inches OVERALL WIDTH OF BASE W O JOYSTICK 25 inches OVERALL HEIGHT STANDARD MINIMUM MAXIMUM 34 inches 34 inches 44 inches RECLINER LOW SEAT...

Page 22: ...at differ from these stated values Users should become accustomed to how their unique conditions impact their individual results Users should become familiar with the battery discharge indicator on the joystick to determine the range of their wheelchair Refer to When to Charge Batteries on page 116 for more information about the battery discharge indicator CASTER FORKS Standard Shock Fork Optional...

Page 23: ...ould become familiar with the battery discharge indicator on the joystick to determine the range of their wheelchair Refer to When to Charge Batteries on page 57 for more information about the battery discharge indicator RANGER X SEAT TO FLOOR Standard 17 inches Optional 19 or 21 inches OVERALL WIDTH OF BASE W O JOYSTICK 25 inches OVERALL HEIGHT STANDARD MINIMUM MAXIMUM 34 inches 34 inches 44 inch...

Page 24: ... AND TILT RECLINE 0 Seat Angle 5 Seat Angle 0 45 3 5 50 3 RECLINE RANGE MEASURED RELATIVE TO THE GROUND RECLINE 0 Seat Angle 5 Seat Angle TILT RECLINE 0 Seat Angle 5 Seat Angle 90 175 3 95 175 3 90 175 3 95 175 3 SEAT TO FLOOR 0 SEAT ANGLE 5 SEAT ANGLE 18 25 inches 25 inches 19 75 inches 25 inches OVERALL WIDTH 25 to 27 inches OVERALL HEIGHT 53 inches OVERALL LENGTH 48 inches in upright position A...

Page 25: ...URVED BACK TILT ONLY WITH BACK POST ONLY ELEVATE ONLY 16 22 inches in 1 inch increments 12 22 inches in 1 inch increments 16 22 inches in 1 inch increments SEAT DEPTH RANGE ANY SYSTEM WITH CURVED BACK TILT ONLY WITH BACK POST ONLY ELEVATE ONLY 16 22 inches in 1 inch increments 12 22 inches in 1 inch increments 16 22 inches in 1 inch increments BACK HEIGHT RANGE 12 24 inches in 1 inch increments BA...

Page 26: ...NING If the seating system is mounted onto a power wheelchair that has a weight limitation greater than 350 lbs the weight limitation of the wheelchair is 350 lbs Example If a seating system with a weight limitation of 300 lbs is mounted onto a power wheelchair with a weight limitation of 350 lbs then the power wheelchair is restricted to a 300 lb weight limitation For All Model Wheelchairs ARMRES...

Page 27: ... Serious Injury or Damage Use of non Invacare accessories may result in serious injury or damage Invacare products are specifically designed and manufactured for use in conjunction with Invacare accessories Accessories designed by other manufacturers have not been tested by Invacare and are not recommended for use with Invacare products DO NOT use non Invacare accessories To obtain Invacare access...

Page 28: ...oint may occur when lowering the elevating seat and or returning the tilted seat to the full upright position Make sure the hands and body of both the occupant and attendants bystanders are clear of all pinch points before lowering seat or returning the tilted seat to the full upright position Before adjusting repairing or servicing the wheelchair ALWAYS turn the wheel chair power OFF otherwise in...

Page 29: ...ediately and reenter set up specifications Contact Invacare if wheelchair still does not perform to correct specifications WARNING DO NOT leave the power button ON when entering or exiting your wheelchair DO NOT operate on roads streets or highways DO NOT overtighten hardware attaching to the frame This could cause damage to the frame tubing ALWAYS keep hands and fingers clear of moving parts to a...

Page 30: ...MMEDIATELY before drive lock out engages and ensure there is a clear line of sight present in which to drive the wheelchair If a clear line of sight is not present have the back angle repositioned or readjust the lockout angle such that safe driving with a clear line of sight is achieved WARNING DO NOT operate the seating system while on an incline DO NOT operate the seating system while the wheel...

Page 31: ...rom any plug used with or for Invacare products Some devices are equipped with three prong grounding plugs for protection against possible shock hazards Where a two prong wall receptacle is encountered it is the personal responsibility and obli gation of the customer to contact a qualified electrician and have the two prong receptacle replaced with a properly grounded three prong wall receptacle i...

Page 32: ...minals DO NOT attempt to recharge the batteries and operate the wheelchair at the same time DO NOT operate wheelchair with extension cord attached to the AC cable DO NOT attempt to recharge the batteries when the wheelchair has been exposed to any type of moisture DO NOT attempt to recharge the batteries when the wheelchair is outside DO NOT sit in the wheelchair while charging the batteries Read ...

Page 33: ... and that all electrical connections are secure at all times DO NOT use if the joystick boot is torn or cracked If the joystick boot becomes torn or cracked replace IMMEDIATELY NOTE Invacare has tested its wheelchairs in accordance with RESNA WC 2 2009 Section 9 Part 7 3 Rain Test This provides the end user or his her attendant sufficient time to remove his her wheelchair from a rain storm and ret...

Page 34: ...page 21 or Ranger X After 10 5 06 on page 23 to determine the weight limit total combined weight of user and any attachments of your wheelchair model DO NOT exceed the limit otherwise injury or damage may result 3G Storm Wheelchairs With Powered Seating Systems Refer to Specifications to determine the weight limit total combined weight of user and any attachments of your wheelchair and seating sys...

Page 35: ... Electric shock can cause death or serious injury To avoid electric shock inspect plug and cord for cuts and or frayed wires Replace cut cords or frayed wires immediately WARNING Risk of Serious Injury or Damage Attaching hardware that is loosely secured could cause loss of stability resulting in serious injury or damage After ANY adjustments repair or service and before use make sure that all att...

Page 36: ...ditional weight on rear wheels NOTE The forward mounting position is not available on Arrow wheelchairs equipped with gearless brushless motors The following illustrations show the mounting screw location for each motor gearbox and gearless brushless motor mounting position FIGURE 3 1 Motor Gearbox Mounting Position FIGURE 3 2 SSD Motor Gearbox Mounting Position Rear Position Approximately 65 of w...

Page 37: ...body of the occupant attendants and bystanders are clear of all pinch points before lowering seat or returning the tilted seat to the full upright position NOTE For this procedure refer to FIGURE 3 4 FIGURE 3 4 Pinch Points Rear Position Approximately 65 of weight over drive wheels Middle Position Approximately 70 of weight over drive wheels Forward Position Not available with gearless brushless m...

Page 38: ...sensor position Make sure tilt operates smoothly and properly Make sure actuator mechanism and tilt tracks are clean Ensure all fasteners are secure on clothing guards Ensure arms are secure but easy to release Ensure arm adjustment levers operate and lock securely Ensure adjustable height arms operate and lock securely Ensure arm pivot points are not worn and or loose Replace if necessary Ensure ...

Page 39: ...x coupling Inspect for any loose hardware on the wheelchair Inspect charger AC power cord for damage Replace if necessary Inspect Adjust Initially CAUTION As with any vehicle the wheels and tires should be checked periodically for cracks and wear and should be replaced Make sure wheelchair rolls straight no excessive drag or pull to one side Inspect all fasteners Make sure clothing guards are secu...

Page 40: ...ere with tires when rolling Make sure wheel lock pivot point are free of wear and looseness Make sure wheel locks are easy to engage Inspect tires for flat spots and wear Check pneumatic tires for proper inflation Check power center mount front riggings for worn frayed belts and or loose fasteners If found replace these items ...

Page 41: ...ful protection from the more common sources of radiated EMI There are a number of sources of relatively intense electromagnetic fields in the everyday environment Some of these sources are obvious and easy to avoid Others are not apparent and exposure is unavoidable However we believe that by following the warnings listed below your risk to EMI will be minimized The sources of radiated EMI can be ...

Page 42: ...OT operate hand held transceivers transmitters receivers such as citizens band CB radios or turn ON personal communication devices such as cellular phones while the powered wheelchair is turned ON 2 Be aware of nearby transmitters such as radio or TV stations and try to avoid coming close to them 3 If unintended movement or brake release occurs turn the powered wheelchair OFF as soon as it is safe...

Page 43: ...d equal pressure X X X X Check for loose stem nuts bolts X X Check that casters contact ground at the same time SYMPTOM PROBABLE CAUSE SOLUTIONS No power to wheelchair motors Bad connection or blown fuse Check Joystick connection Check all connections and housings for damage Replace fuse if blown Loose battery connections Check battery cable connections may have vibrated loose when driving on roug...

Page 44: ...stopped position for 30 minutes Turn chair off and then back on Chair will not drive with power on E09 or E10 Check motor locks Engage motor locks to drive wheelchair Motor chatters or runs erratically or only one motor turns Damaged connector or worn brushes Bad bearings or gears Check brushes and replace brushes if necessary Joystick malfunction Swap out motor leads Check for error codes with pr...

Page 45: ...topped Heavy load on the motors forcing controller into the current rollback mode Leave power on and allow controller to count down Turn chair on and let chair sit for 30 min utes AFter 30 minutes turn chair off and then on Circuit Breaker may have tripped Reset Breaker and check wiring Motor Connector Joystick problem Battery Voltage Seating System Brake Lever slipped into freewheel Check for err...

Page 46: ...arge up to soon Check each battery and replace if needed No LED s on Char ger Charger not plugged into outlet or dis connected from wiring harness on wheelchair Make sure the charger is plugged into the outlet and check the wiring on the wheelchair No AC power at outlet Check for AC power with digital volt meter Power cord may be damaged Check for damage on the power cord replace if damaged or sen...

Page 47: ... falls off faster than normal Consumer not charging batteries long enough Instruct consumer to charge for 8 10 hours mini mum Batteries may be weak Perform load test or check Battery Quality Menu with the programmer Refer to MKIV electronics manual part number 1043576 Check programming settings Torque setting and power level setting may be too high Refer to MKIV electronics manual part num ber 104...

Page 48: ...rvice Only one drive wheel turns Electrical malfunction Motor is locked up stuck Contact Dealer Invacare for Service Separate motor and gearbox Except GB Chair erratic or does not respond as desired Damaged motor coupling Electrical malfunction Controller programmed improperly Contact Dealer Invacare for Service Contact Dealer Invacare for Service Reprogram controller Refer to electronics manual s...

Page 49: ...tioning or working intermittently Low batteries Faulty electrical connection Blown fuse Limit switch or switches preventing seating Charge batteries Check all connections Have wiring harness replaced by a qualified technician Trouble shoot limit switches for position and connectivity Programmer does not work or gives communication error System tilted reclined or elevated beyond drive lock out angl...

Page 50: ... display Joystick is in program ming inhibit and or charg ing mode The steady LEDs indicate the current state of the battery charge All LEDs are flashing slowly Joystick has detected Out of Neu tral at Power Up mode Release the joystick back to Neutral DISPLAY DESCRIPTION DEFINITION COMMENTS Information Gauge Display ...

Page 51: ...ncorrect Remote Wrong type of remote connected Contact Invacare Dealer for service SYMPTOM PROBABLE CAUSE SOLUTIONS SPM L Park Brake Fault or SPM R Park Brake Fault displays and wheelchair does not drive Motor lock levers disengaged Error code E9 or E10 Engage motor lock levers Refer to Disengaging Engaging Motor Lock Levers on page 67 CHARGER PLUGGED IN displays Battery charger connected Error co...

Page 52: ...ies draw excessive current when charging Battery failure Electrical malfunction Have batteries checked for shorted cell Replace if necessary Contact Dealer Invacare for service Battery indicator flashes the charge level is low immediately after recharge Battery failure Malfunctioning battery charger Electrical malfunction Check batteries for shorted cell Replace if necessary Contact Dealer Invacar...

Page 53: ...f 2 Make sure battery is fully charged An extremely discharged battery will exhibit the same symptoms as a bad one 3 Remove the footrests from the wheelchair and place the casters of the wheelchair against a wall workbench or other stationary object DO DON T Read and understand this manual and any service information that accompanies a battery and charger before operating the wheelchair Don t perf...

Page 54: ... to less than 23 5 volts from a pair of fully charged batteries while under load they should be replaced regardless of the unloaded voltages FIGURE 6 1 Field Load Test Motor Testing NOTE For this procedure refer to FIGURE 6 2 NOTE This procedure should only be performed on wheelchairs with the conventional motor gearbox assembly For gearless brushless motors there are no serviceable parts Return m...

Page 55: ...be replaced It is very important that any time a brush is replaced it must be burned in This is accomplished by running the motor for one hour in each direction with a half hour break in between This should also be done with little or no load on the motor i e put the wheelchair up on blocks so the drive large wheels do not contact the ground and run the wheelchair A motor with only one brush repla...

Page 56: ...he brake output section in the controller DO NOT connect a shorted electro mechanical brake to a good control ler module A shorted brake MUST be replaced NOTE A bad motor can damage the controller module but a bad controller will NOT damage a motor FIGURE 6 4 Electro Mechanical Parking Brake Testing 4 Pin Motor Connector Ohmmeter ...

Page 57: ...armrest post mounting holes 4 Secure the armrest pad to the armrest post with the mounting screw washer and locknut removed in steps 1 2 NOTE The mounting screw should be installed from the inside of the wheelchair frame FIGURE 7 1 Replacing Van Seat Armrest Pads Installing Removing Flip Back Armrests WARNING Make sure the flip back armrest release and height adjustment levers are in the locked po...

Page 58: ...positioning the flip back armrest release lever into the unlocked horizontal position 2 Remove the quick release pin that secures the flip back armrest to the rear arm socket 3 Pull up on the flip back armrest and remove the armrest from the arm sockets 4 Repeat STEPS 1 3 for the opposite flip back armrest if necessary FIGURE 7 2 Installing Removing Flip Back Armrests Adjusting Flip Back Armrests ...

Page 59: ...rest by pressing flip back armrest release lever into the down vertical position 4 Lift up on flip back armrest to make sure the armrest is locked in place 5 Repeat STEPS 1 4 for opposite flip back armrest if necessary Adjusting 1 Unlock top of flip back armrest by pulling height adjustment lever into the up horizontal position 2 Adjust top of the flip back armrest to the desired height 3 Lock top...

Page 60: ... Van Seat Armrests Angle Height NOTE For this procedure refer to FIGURE 7 5 1 Remove the mounting screw that secures the armrest to the van seat frame 2 Adjust the armrest to one of four positions 3 Reinstall the mounting screw that secures the armrest to the van seat frame and tighten securely FIGURE 7 5 Adjusting Captain s Van Seat Armrests Height Armrest Jam Nut Count Exposed Threads Mounting S...

Page 61: ...oving Van Seat Frame on page 76 2 Remove the two rear mounting screws washers and locknuts that secure the seat positioning straps to the van seat frame NOTE The washer is positioned between the seat positioning strap and the mounting screw 3 Secure the new seat positioning strap halves with the mounting screws washers and locknuts to the van seat frame and torque to 75 in lbs 6 25 ft lbs 8 47 Nm ...

Page 62: ... screw just removed through the cane from the inside of the wheelchair to hold the insert in place 6 Remove the other mounting screw washer spacer and locknut that secures the back cane to the seat frame 7 Slide the back cane out of the spreader bar if applicable and the existing back upholstery 8 Remove other armrest from the chair Refer to Installing Removing Flip Back Armrests on page 57 9 Repe...

Page 63: ...edure refer to FIGURE 8 3 on page 64 NOTE Existing hardware will be reused NOTE Take note of position and orientation of mounting hardware for reinstallation Removing 1 If applicable remove the back pan 2 Remove armrest from the wheelchair Refer to the wheelchair owner s manual NOTE Note the back angle before disassembly for proper reinstallation BACK HEIGHT SPREADER BAR HEIGHT 16 17 inches 5 inch...

Page 64: ...stall the lower hex screw washer and locknut through the slot in the cane bracket to secure the cane bracket to the back cane NOTE The cane bracket should be positioned as shown in FIGURE 8 3 2 Install the upper hex screw washer and locknut through one of the following Using the Same Back Angle the mounting hole noted in STEP 3 of Removing on page 63 Changing the Back Angle the mounting hole deter...

Page 65: ...stick from controller 4 Turn the lever on the adjustment lock to release the adjustment lock from the joystick mounting tube 5 Remove the joystick from the wheelchair 6 Perform one of the following FIXED ASBA OR ADJASBA Remove the flip back armrests from the wheelchair Refer to Installing Removing Flip Back Armrests on page 57 VAN SEAT Remove the mounting screw that secures the armrest to the van ...

Page 66: ... procedures below to change seat size Changing Seat Depth on page 181 Changing Seat Width on page 182 1 Perform the instructions outlined in Preparation for Removing Installing Seat Frame on page 65 Battery Boxes Step 2 Footrest Location Step 1 Joystick Steps 3 5 Adjustment Lock Lever for Joystick Step 4 Flip Back Armrest Step 6A Seat Pan Step 7 Controller Left Right Motor Connectors Steps 8 9 Sea...

Page 67: ...applicable Torque to 156 in lbs 13 ft lbs 17 62 Nm 6 Remove the existing standard seat frame subassembly and install the new standard frame 7 FOR 12 TO 15 INCH ASBA SEAT DEPTHS ONLY Remove the CJ back brackets from the existing standard seat frame and install onto the new standard seat frame Refer to Removing Installing CJ Back Brackets on page 99 8 Reinstall the components previously removed in S...

Page 68: ...es on the CJ back brackets Refer to Changing Seat Depth on page 68 If the desired change only requires a new seat pan refer to Removing Installing Seat Pan on page 79 For all other seat depth changes perform the following Preparation for Removing Installing Seat Frame on page 65 Perform one or both of the procedures listed below depending on the components required for the desired seat depth deter...

Page 69: ...th on page 68 If the desired change only requires a new seat pan refer to Removing Installing Seat Pan on page 79 If the desired change requires the removal installation of CJ back brackets refer to Removing Installing CJ Back Brackets on page 99 If the desired change requires a new side frame and or new center frame perform the following steps A Perform the instructions outlined in Preparation fo...

Page 70: ...pport brackets with the existing four mounting screws and locknuts Torque to 156 in lbs 13 ft lbs 17 62 Nm H Secure new side frame to the center frame at the position noted previously Torque to 75 in lbs 6 25 ft lbs 8 47 Nm NOTE If seat width adjustment is also desired refer to Changing Seat Width Standard and Asba on page 72 for mounting hole locat ions and allowable seat width seat depth combina...

Page 71: ...ck brackets 3 Pull the bottom of the back upholstery away from the rear of the seat pan 4 Remove mounting screw washer and coved washer from the top mounting hole of the CJ back bracket and back cane NOTE Before removing the back canes from the CJ back brackets note the back angle for reinstallation NOTE To avoid losing the insert in each back cane line up the holes in the insert with the holes in...

Page 72: ...xed seat frame subassembly and install the new fixed frame 3 FOR 12 TO 15 INCH SEAT DEPTHS ONLY Remove the CJ back brackets from the existing standard seat frame and install onto the new standard seat frame Refer to Removing Installing CJ Back Brackets on page 99 4 Reinstall the components previously removed in STEP 1 Perform the instructions outlined in Preparation for Removing Installing Seat Fr...

Page 73: ...ashers spacers and locknuts Torque mounting screws to 75 in lbs 6 25 ft lbs 8 47 Nm WARNING Both side frames MUST be adjusted to the same mounting hole position to main tain proper weight balance of user and seat frame If weight is not balanced injury to the assistant and or user and damage to the wheelchair may result 6 Repeat STEPS 3 5 for opposite side frame 7 Perform one of the following For a...

Page 74: ... the ASBA seat Refer to Replacing the Seat Frame on page 66 2 Remove the four mounting screws that secure the two support brackets of the ASBA subassembly to the seat mounting plates 3 Install the fixed or van seat Refer to Replacing the Seat Frame on page 66 Converting from Standard Seat Frame or Van Seat to ASBA NOTE When converting the seat frame to ASBA you will need a seat pan seat cushion ba...

Page 75: ...for proper installation of the NEW side frame s 2 Remove the two mounting screws coved spacers spacers and locknuts that secure the side frame to the center frame 3 Perform one of the following If center frame needs replaced repeat STEP 2 for opposite side frame and proceed to STEP 4 If opposite side frame needs replaced repeat STEP 2 then proceed to STEP 6 Otherwise proceed to STEP 6 4 Remove the...

Page 76: ... in the van seat frame and the mounting holes in the seat mounting plates 3 Secure the van seat to the seat mounting plates with four mounting screws and locknuts Torque to 156 in lbs 13 ft lb 6 78 Nm Removing Van Seat 1 Remove the four mounting screws and locknuts that secure the van seat to the seat mounting plates 2 Remove van seat from seat mounting plates Support Bracket Locknuts Base Frame M...

Page 77: ...an seat to the seat frame 3 Replace the van seat or the seat frame 4 Secure new existing van seat to the new existing van seat frame with existing four mounting screws and spacers Torque to 75 in lbs 6 25 ft lb 8 47 Nm 5 Install new van seat assembly onto the wheelchair Refer to Installing Removing Van Seat Frame on page 76 FIGURE 9 8 Removing Installing Van Seat from onto Van Seat Frame Locknuts ...

Page 78: ...o 15 inch seat depths only Install the CJ back brackets seat positioning strap and quick release pin from the onto the ASBA Refer to Removing Installing CJ Back Brackets on page 99 D Perform the instructions outlined in Preparation for Removing Installing Seat Frame on page 65 Van Seat A Install the van seat Refer to Installing Removing Van Seat Frame on page 76 B Adjust the van seat to the desire...

Page 79: ...ng screws locknuts and spacers that secure the seat pan seat positioning strap and quick release pin to the seat frame NOTE When removing seat pan note tab position of quick release pin to the seat positioning strap Installing 1 Position the new seat pan on the seat frame aligning the mounting holes of the seat pan and the mounting holes of the seat frame 2 Position the seat positioning strap and ...

Page 80: ... Seat Pan ADJASBA NOTE For this procedure refer to FIGURE 9 10 on page 81 Removing 1 Remove the seat cushion 2 Remove the two socket screws securing the seat pan to the seat frame 3 Remove the seat pan from the seat frame Installing 1 Position the new seat pan onto the seat frame as shown 2 Secure the new seat pan to the seat frame using the two socket screws 3 Install the seat cushion Spacer Moun...

Page 81: ...ory set at 5 seat dump This angle can be changed by adjusting either the front or back of the seat mount plate to obtain any angle between 0 or 10 seat dump NOTE There are three heights of seat mounting plates low medium and high FIGURE 9 11 Seat Angle Adjustment Seat Pan Seat Frame Socket Screw Low Height Medium Height High Height DETAIL A Rear of Seat Frame Front of Seat Frame Mounting Screw Mou...

Page 82: ... Checking ASBA Seating System Mounting Position NOTE For this procedure refer to FIGURE 9 12 NOTE Applies to ASBA strandard seat power tilt only and Formula PTO Plus 1 Determine mounting position Wheelchairs with Swing Away Front Rigging Detail A i Rotate front casters forward as if the wheelchair were moving in reverse NOTE If wheelchair is equipped with composite footrests point the front caster...

Page 83: ...ide the seat frame mounting brackets as far as possible towards the rear of the wheelchair Leave 1 to 1 inch of clearance between the front riggings and the front casters in all caster positions Wheelchairs with Manual or Power Center Mount Front Rigging Slide the seat frame mounting brackets as far as possible towards the rear of the wheelchair Leave 1 to 1 inch of clearance between the center mo...

Page 84: ...maged during inspection Cut tie wraps and relocate wires to a location where they will not become damaged FIGURE 9 13 Adjusting the Seating System Mounting Position Hex Screws Locknut Locknuts Interface Mounting Bracket Seat Frame Mounting Bracket ASBA Seating System Base Only Shown Rear of Wheelchair ...

Page 85: ...osition of the washers 2 Remove the two mounting screws washers and bolt strap bracket that secure the seat mounting plate to the seat support bracket 3 Secure new seat mounting plate with existing two mounting screws washers and bolt straps to seat support bracket using Loctite 242 and torque to 156 in lbs 4 Repeat STEPS 1 2 for opposite side if necessary 5 Adjust seat mounting plates to desired ...

Page 86: ...acket to the base frame WARNING When installing seat support bracket ensure the mounting screws are threaded into the T Nuts located inside the channel of the base frame 5 Secure the new seat support bracket to base frame with the existing two mounting screws and washers Torque to 156 in lbs 13 ft lbs 17 62 Nm 6 Reinstall seat mounting plates Refer to Replacing Seat Mounting Plates on page 85 7 Ad...

Page 87: ...place channel cover and end cap WARNING The seat stop screws must be in place before operation of your power wheelchair Ensure the t nut s are positioned between both seat stop screws 9 Use Loctite 242 and reinstall seat stop screw into base frame 10 Reinstall the seat seat support brackets Refer to Replacing Seat Support Brackets on page 86 11 Reinstall the seat mounting plates Refer to Replacing...

Page 88: ...ry Charger Bracket T Nut perform STEPS 3 13 in Replacing Seat Support Bracket T Nuts on page 86 7 Secure the battery charger connector to the mount bracket with the existing two mounting screws Tighten securely 8 Reverse STEP 2 FIGURE 10 4 Replacing Battery Charger Bracket and T Nut Removing Installing Seat Stop Screws NOTE For this procedure refer to FIGURE 10 5 on page 89 NOTE The rear seat stop...

Page 89: ...f the chair and user over the large wheels However this setting may not be the most desirable in terms of maneuverability front rigging clearance and comfort for the user Adjustment Options NOTE This section will provide the user with some knowledge of what to expect if the following adjustments are made 1 Moving the seat forward Advantage This adjustment allows more clearance for front riggings a...

Page 90: ... 1 4 for further adjustment if necessary FIGURE 10 6 Adjusting Weight Distribution Repositioning the Motor Repositioning the 4 Pole Motor Gearbox or SSD Motor Gearbox NOTE For this procedure refer to FIGURE 10 7 NOTE The motor gearbox assembly can be repositioned to lengthen or shorten the wheelbase by 2 inches in 1 inch increments Standard Position Lengthens the wheelbase and gives you the most s...

Page 91: ... 5 Reinstall the gearbox onto the existing suspension arm Refer to Removing Installing Gearbox on page 163 6 Repeat STEPS 3 5 for opposite side of the wheelchair 7 Reinstall the drive wheel onto the wheelchair Refer to Removing Installing Drive Wheels on page 138 FIGURE 10 7 Repositioning the Motor Repositioning the 4 Pole Motor Gearbox or SSD Motor Gearbox Standard Approximately 65 of weight over...

Page 92: ... you standard stability and maneuverability 1 Inch Rearward Lengthens the wheelbase and gives you the most stability and standard maneuverability 1 Inch Forward Shortens the wheelbase and increases maneuverability and distributes additional weight on rear wheels Arrow Ranger X and Torque SP with Manual Recliner 2G Powered Seating System or High Back Van Seat Standard Position Lengthens the wheelba...

Page 93: ...1 Inch Forward Approximately 75 of weight over rear wheels Standard Approximately 70 of weight over rear wheels 1 Inch Rearward Approximately 65 of weight over rear wheels 2 Inch Forward Approximately 75 of weight over rear wheels 1 Inch Forward Approximately 70 of weight over rear wheels Standard Approximately 65 of weight over rear wheels Forward ...

Page 94: ...rs that secure the motor to the suspension arm 7 Slide the motor forward or backward to the desired mounting position 8 Secure the motor to the mounting position determined in STEP 1 and secure with the four existing mounting screws and washers Torque to 156 in lbs 13 ft lbs 17 62 Nm 9 Securely tighten adjustment screw 10 Reinstall the drive wheel to the wheelchair Refer to Removing Installing the...

Page 95: ...tion Mounting position shown in FIGURE 10 10 is for the standard mounting position for the motor Moving the motor lock lever one position forward would correrspond with the one inch forward motor mounting position 5 Reposition the motor to the desired mounting position Refer to the chart above to for motor mounting options 6 Reinstall the motor to the mounting position determined in STEP 1 Refer t...

Page 96: ... When installing the new suspension arm the beveled washers MUST be placed on the inside and outside of the base frame with the bevels facing each other 7 Install the new suspension arm assembly onto the base frame 8 Torque suspension arm hex screws 1 2 x 7 inches to 85 ft lbs approximately 1 020 in lbs 115 24 Nm and replace plug buttons 9 Reinstall the gearbox onto the existing suspension arm Ref...

Page 97: ...age 191 6 Remove the plug buttons from the side of the base frame 7 Remove the mounting screw and beveled washers that secure the front of the suspension arm to the base frame 8 Remove the existing suspension arm from the base frame 9 Install the new suspension arm onto the base frame 10 Install mounting screw and beveled washers that secure the front of the suspension arm to the base frame 11 Ins...

Page 98: ...RAME 3G Storm Series Wheelchairs 98 Part No 1104849 FIGURE 10 12 Replacing Suspension Arm for Wheelchairs with Gearless Brushless Motors Suspension Arm Beveled Washers Plug Button Suspension Arm Hex Screw 1 2 x 7 Inches ...

Page 99: ...nting screw and locknut that secures the quick release pin and CJ back bracket and seat positioning strap to the seat frame 4 Remove the existing CJ back bracket 5 Repeat STEPS 2 4 for the opposite CJ back bracket 6 For replacement of CJ back brackets proceed to Installing CJ Back Brackets on page 99 Installing CJ Back Brackets 1 If necessary perform the instructions outlined in Preparation for Re...

Page 100: ...determine if new back upholstery is needed Back upholsery height ranges are 16 to 17 inches 18 to 19 inches 20 inches 21 to 22 inches 23 to 24 inches If back height required is within the range of the original back height only new back canes will be needed If the back height required is NOT within the range of the original back height new back upholstery as well as new back canes will be needed Se...

Page 101: ...rt one of the mounting screws through the back cane from inside of the wheelchair to hold the insert in place 10 Slide new back canes through the existing new back upholstery and spreader bar 11 If applicable loosely tighten the mounting screws that secure the spreader bar to the new back canes 12 Line up mounting holes in the back canes with the mounting holes in the seat frame NOTE If needing a ...

Page 102: ... spreader bar at the correct height for the corresponding back height and torque the mounting hardware to 60 in lbs 5 ft lb 6 78 Nm 18 Reinstall the armrest onto the wheelchair Installing Removing Flip Back Armrests on page 57 FIGURE 11 2 Changing Back Height on Fixed and ASBA Seat Frames Adjusting the Back Height on ADJASBA Seat Frames Contoura Backs There is no height adjustment available for wh...

Page 103: ...old the insert in place 3 Remove the mounting screw and washer from the bottom mounting hole of the back angle plate and back cane 4 Reposition the back canes into the correct mounting holes of the back angle plate to obtain a back angle between 80 and 100 in 5 increments 5 Torque mounting screws to 75 in lbs 6 25 ft lbs 8 47 Nm 6 Reinstall the armrests onto the wheelchair Refer to Adjusting Flip ...

Page 104: ... mounting screw WARNING After ANY adjustments repair or service and before use make sure all attaching hardware is tightened securely otherwise injury or damage may occur Make sure power to the wheelchair is Off before performing these procedures The use of rubber gloves is recommended when working with batteries Invacare strongly recommends that battery installation and battery replacement ALWAYS...

Page 105: ...s procedure refer to FIGURE 12 1 on page 106 and FIGURE 12 2 on page 107 1 Place battery on ground flat surface 2 Visually draw a horizontal and vertical centerline through the middle of battery 3 Position the battery so that the terminals are above the horizontal centerline 4 Visually inspect the battery to ensure the correct position of the positive and negative terminals as shown in FIGURE 12 1...

Page 106: ... left as shown below MUST be used Batteries that have the reverse terminal configuration MUST not be used otherwise injury and damage may occur Terminals MUST have a cross hole in them as shown in DETAIL A below DETAIL A TERMINAL CROSS HOLES DO NOT USE 22NF 22NF POSITIVE Battery Terminal Post NEGATIVE Battery Terminal Post Centerline Centerline NEGATIVE Battery Terminal Post POSITIVE Battery Termi...

Page 107: ... battery box es or battery ies NOTE When securing battery lifting strap to battery observe polarity markings located on the ends of the battery lifting strap side to POSITIVE battery post and side to NEGATIVE battery post 1 If necessary remove the battery boxes from the wheelchair Refer to Removing Installing Battery Boxes on page 121 2 Disconnect battery cables Refer to Disconnecting Connecting B...

Page 108: ... or hold down flanges directly into the battery case Batteries which interfere with the battery box cannot be used for these applications Attempting to wedge a battery into a battery box may damage the box and or the battery 4 Remove batteries from battery box es FIGURE 12 3 Installing Removing Batteries into from Battery Boxes Battery Lifting Strap Molded Carrying Straps These batteries must NOT ...

Page 109: ...ng hardware from POSITIVE red battery cable mounting screw WARNING The use of rubber gloves and chemical goggles or face shields is recommended when working with batteries When tightening the clamps ALWAYS use a box wrench Pliers will round off the nuts NEVER wiggle the battery terminal s post s when tightening The bat tery may become damaged Group 24 Batteries on Wheelchairs Manufactured Before 1...

Page 110: ...y cable clamp to NEGATIVE battery post and connect POSITIVE battery cable clamp to POSITIVE battery post FIGURE 12 4 4 Secure the battery cable clamp s to the battery post s with provided hex screws and nuts Securely tighten 5 Verify battery cable clamps s are correctly installed and securely tightened 6 Reposition battery clamp covers over battery post s 7 Install the battery box top s 8 Install ...

Page 111: ...Cable BLACK NEGATIVE Battery Cable Two Connector Battery Box Top One Connector Battery Box Top BLACK NEGATIVE Battery Cable RED POSITIVE Battery Cable RED POSITIVE Battery Cable Clamp RED Battery Clamp Cover RED Battery Clamp Cover RED POSITIVE Battery Cable Clamp NEGATIVE Battery Terminal Post POSITIVE Battery Terminal Post POSITIVE Battery Terminal Post NEGATIVE Battery Terminal Post Battery Box...

Page 112: ...a time Repeat section for other battery box 1 Position battery box top above battery as shown in FIGURE 12 5 2 Peel back battery terminal caps to expose battery cable ends as follows A RED battery terminal cap from RED battery cable B BLACK battery terminal cap from BLACK battery cable 3 Install the locknut and mounting screw to connect the BLACK battery cable to the NEGATIVE battery terminal post...

Page 113: ...D POSITIVE Battery Cable BLACK Battery Terminal Cap RED Battery Terminal Cap POSITIVE Battery Terminal Post NEGATIVE Battery Terminal Post POSITIVE Battery Terminal Post NEGATIVE Battery Terminal Post DETAIL A CONNECTING CABLES TO TERMINALS Two Connector Battery Box One Connector Battery Box Top View of Battery Locknut NEGATIVE Battery Terminal Post POSITIVE Battery Terminal Post Locknut RED POSIT...

Page 114: ...Refer to DETAIL A in FIGURE 12 6 2 Connect WHITE battery cable jumper NEGATIVE terminal end to NEGATIVE battery terminal post of front battery and connect POSITIVE terminal end to POSITIVE battery terminal post of rear battery 3 Place battery top upside down on top of rear battery 4 Connect NEGATIVE BLACK battery cable of the battery box top to NEGATIVE battery terminal post of rear battery 5 Posi...

Page 115: ...IL A FRONT NEGATIVE BLACK Battery Cable POSITIVE RED Battery Cable NEGATIVE Battery Terminal Posts Battery Box Top Under Side Shown POSITIVE RED Battery Cable POSITIVE Battery Terminal Post Front Battery Rear Battery Battery Box Bottom Battery Box Top Terminal Cap Terminal End Front Battery Rear Battery Single Battery Box Bottom WHITE Battery Cable Jumper Fuse Block Front Battery Rear Battery Batt...

Page 116: ...arge in the batteries At full charge solid blocks fill in all ten segments between E Empty and F Full As the battery becomes discharged the top most segments will progressively disappear until no segments appear between E and F At this level the user should charge the batteries as soon as possible MKIV A and MKIV RII Joysticks NOTE For this procedure refer to FIGURE 12 8 on page 117 The Battery Di...

Page 117: ...ged prior to initial use of the wheelchair WARNING NEVER attempt to recharge the batteries by attaching cables directly to the battery terminals or clamps ALWAYS use the recharging plug located on the side of the wheelchair frame DO NOT attempt to recharge the batteries and operate the power wheelchair at the same time During use and charging unsealed batteries will vent hydrogen gas which is expl...

Page 118: ...e the charger unattended when the charger circuit breaker is tripping ON and OFF A condition between the battery charger and batteries exists Con tact an Invacare dealer NOTE If performing the charging procedures independently READ and CAREFULLY follow the individual instructions for each charger supplied or purchased NOTE If charging instructions are not supplied consult a qualified service techn...

Page 119: ...that both batteries be replaced if one battery is defective Recommended Battery Types WARNING Failure to use the correct battery size and or voltage may cause damage to your wheelchair and give you unsatisfactory performance Wheelchairs Equiped with MCC MARK IV Joystick Wheelchairs Equiped with MARK IV RII Joystick NOTE This joystick is available only on the Torque SP Battery Charger Connector Fro...

Page 120: ... battery box es Refer to Installing Removing Batteries into from Battery Boxes on page 107 5 Install the battery boxes into the wheelchair Refer to Removing Installing Battery Boxes on page 121 Cleaning Battery Terminals WARNING Most batteries are not sold with instructions However warnings are frequently noted on the cell caps Read them carefully DO NOT allow the liquid in the battery to come in ...

Page 121: ... and remove from the wheelchair 6 Slide the two connector battery box along the sub frame and remove from the wheelchair Installing 1 Place the wheelchair in a well ventilated area where work can be performed without risking damage to carpeting or floor covering 2 Verify the joystick On Off switch is in the Off position 3 Secure the battery box carrying strap to the lid of the two connector batter...

Page 122: ...n 10 Rotate the levers of the battery retainer assembly to the locked position FIGURE 12 10 Removing Installing Battery Boxes Group 24 Battery Boxes for Wheelchairs Without Vent Tray Group 24 Battery Boxes for Wheelchairs Equipped With Vent Tray WARNING Each battery weighs 51 pounds Use proper lifting techniques lift with your legs to avoid injury NOTE For this procedure refer to FIGURE 12 10 on p...

Page 123: ...erly made Connectors MUST be fully engaged NOTE Make certain that the battery box carrying strap is positioned on top of the battery box and will not interfere with the one battery box guide pins when engaging the connector on the one 1 battery box lid 6 Secure the battery box carrying strap to the lid of the one connector battery box 7 Place one connector battery box onto battery sub frame 8 Slid...

Page 124: ...cable from the outside of the battery box 4 Disconnect the battery box retention strap 5 Remove the battery box 6 Slide the four clips that secure the battery box cover to the battery box to the Open position NOTE Arrows on the battery box cover point to the open position 7 Remove battery box cover from the battery box FIGURE 12 12 Removing Installing Battery Boxes 22nf Battery Boxes BatteryBox Su...

Page 125: ... the shocks and spacers to the base frame 4 Remove the existing sub frame assembly Installing 1 Install the two mounting screws and locknuts that secure the wiring harness with bracket and the new sub frame to the base frame Use Loctite 242 and torque mounting screws to 160 in lbs 13 36 ft lbs 18 03 Nm 2 Perform one of the following Wheelchairs Equipped with Vent Tray Reinstall the four mounting s...

Page 126: ... the battery box tray to battery mount brackets 3 Remove the two front bolts and locknuts that secure the battery box tray to the base frame 4 Remove the battery tray from the base frame Rear of Chair Mounting Screws Sub Frame Wiring Harness w Bracket Locknuts Front of Chair Wheelchairs Equipped With Vent Tray Front of Chair Rear of Chair Mounting Screws Retainer Bar Retainer Clip Spacer Shock Bas...

Page 127: ...b Frame Assembly Removing 22NF Components NOTE For this procedure refer to FIGURE 12 15 on page 128 1 Remove the battery box Refer to Removing Installing Battery Boxes on page 121 2 Remove the battery box tray Refer to Removing Installing Battery Boxes on page 121 3 Remove the wiring harness Refer to Removing Installing the Wiring Harness on page 131 NOTE The battery box tray and the battery mount...

Page 128: ...lbs 13 36 ft lbs 18 03 Nm 4 Perform one of the following Wheelchairs Equipped with Vent Tray WARNING The Battery Box Retainer Retainer Clip MUST be fastened securely in place before using the wheelchair Use Loctite 242 and torque to 160 in lbs 13 36 ft lbs 18 03 Nm i Position the retainer clip between the new battery box sub frame and the top of the rubber element or shock assembly making sure the...

Page 129: ...ar and spacers with mounting holes in the base frame iv Reinstall the mounting screws that secure the battery box retainer bar to the base frame Use Loctite 242 and torque to 160 in lbs 13 36 ft lbs 18 03 Nm Wheelchairs Equipped without Vent Tray Reinstall the four mounting screws that secure the shocks and spacers to the base frame 5 Perform STEPS 2 7 of Removing Installing the Wiring Harness on ...

Page 130: ...ame Wiring Harness w Bracket Locknuts Front of Chair Wheelchairs Equipped With Vent Tray Front of Chair Rear of Chair Mounting Screws Retainer Bar Retainer Clip Spacer Shock Base Frame Mounting Screws Spacer Battery Box Sub Frame Base Frame Shock Wheelchairs Equipped Without Vent Tray Front of Chair Rear of Chair Spacer Battery Box Sub Frame Steps 1 3 Steps 4 7 ...

Page 131: ...the following sections Wheelchairs with motor gearbox assembly i Cut TIE WRAPS A and B that secure the two motor controller connections and the controller wiring harness connection BLUE connectors together DETAIL B of FIGURE 13 1 ii Cut TIE WRAP C that secures the battery charger cable motor connector cable controller connector cable and wiring harness cable to the base frame DETAIL B of FIGURE 13...

Page 132: ...FIGURE 13 1 4 Perform one of the following sections Wheelchairs with motor gearbox assembly i Group the two motor controller connections together along with the controller wiring harness connection BLUE and secure with TIE WRAPS A and B DETAIL B of FIGURE 13 1 ii Secure the Wiring Harness Cable Battery Charger Cable Controller Connector Cable and Motor Connector Cable to the suspension arm with TI...

Page 133: ...EELCHAIRS WITH MOTOR GEARBOX ASSEMBLY Mounting Screws Not Shown Wiring Harness Cable Tie Wrap C Battery Charger Cable Controller Connector Motor Connector Controller Connector Controller Connector BLUE Tie Wraps A and B Wiring Harness Connector BLUE Motor Connector Cable Motor Connector Controller Connector BLUE Wiring Harness Connector BLUE Mounting Screws Charger Cable Tie Wrap A NOTE There is n...

Page 134: ...ery charger cable to the base frame DETAIL C NOTE For STEPS 4 6 refer to Detail B or C 4 Disconnect the battery harness charger cable BLUE from the controller connector BLUE 5 Remove the two mounting screws that secure the charger cable to the mounting bracket 6 Remove the wiring harness Installing 1 Secure the charger cable to the mounting bracket with the two mounting screws Securely tighten DET...

Page 135: ...L C WHEELCHAIRS WITH GEARLESS BRUSHLESS MOTOR Wiring Harness Mounting Screws Controller Connector Motor Connector Controller Connector Controller Connector BLUE Tie Wraps A and B Wiring Harness Connector BLUE Motor Connector Controller Connector BLUE Wiring Harness Connector BLUE Mounting Screws Charger Mount Bracket NOTE There is no need to cut this tie wrap Charger Cable NOTE Illustration depict...

Page 136: ...mine 114 back angle relative to the seat frame place a magnetic protractor available at any hardware store on the back as shown in FIGURE 13 2 and adjust the back until the magnetic protractor reads 61 3 Turn the wheelchair power switch on the joystick to the On position NOTE The wheelchair should not operate 4 If wheelchair operates proceed to the following steps to adjust the actuator on the upp...

Page 137: ...s Wheelchairs FIGURE 13 3 Adjusting Limit Switch Upper Limit Switch Bracket Phillips Screws Washers and Locknuts 5 3 4 Inches 24 Back Recline Angle 114 61 5 Seat Angle Magnetic Protractor Will read 61 when back recline angle is at 114 relative to the seat frame ...

Page 138: ...onal injury and or damage to surrounding property WARNING DO NOT use your wheelchair unless it has the proper tire pressure p s i DO NOT overinflate the tires Failure to follow these suggestions may cause the tire to explode and cause bodily harm If tires are pneumatic replacement of tire or tube MUST be performed by an authorized Invacare dealer or qualified technician NOTE If drive wheels or cas...

Page 139: ...late with studs 3 Remove existing drive wheel assembly from wheel hub Installing 1 Reinstall new existing drive wheel assembly to one of the following drive wheel hub GB motor spacer or adapter plate with studs and torque the four beveled hex nuts to 160 inch pounds 2 Repeat procedure for opposite side of wheelchair if necessary 3 Reinstall the battery boxes Refer to Removing Installing Battery Bo...

Page 140: ...h Wheel Conventional Motor with Gearbox Gearless Brushless Motor Wheelchairs Built Before 1 26 04 Only Drive Wheel Assembly Motor Gearbox Assembly Drive Wheel Assembly G B Motor Drive Wheel Hub GB Motor Spacer Four Beveled Hex Nuts Drive Wheel Hub Four Beveled Hex Nuts Drive Wheel Assembly Motor Gearbox Assembly Drive Wheel Assembly Four Beveled Hex Nuts Four Beveled Hex Nuts Drive Wheel Hub Adapt...

Page 141: ...pet tile etc 2 Apply a thin film of Super Lube one inch in length to the end of the drive shaft 3 Reinstall drive wheel hub onto the drive shaft of the motor gearbox assembly NOTE While installing the drive wheel hub onto the drive shaft spin the drive wheel hub to evenly distribute the anti seize compound over the entire drive shaft 4 Reinstall the washer and locknut and torque locknut to 45 ft l...

Page 142: ... Remove the drive wheel from the wheel hub To remove the drive wheel and the wheel hub i Remove the five mounting screws securing the drive wheel to the wheel hub ii Remove the drive wheel from the wheel hub iii Remove the locknut washer and 8mm hub spacer that secures the wheel hub to the drive shaft Installing NOTE For this procedure refer to FIGURE 14 3 on page 143 1 Perform one of the followin...

Page 143: ...4 3 Removing Installing the SSD Motor Drive Wheel Wheel Hub Removing Installing GB Motor Spacer NOTE For this procedure refer to FIGURE 14 4 Removing 1 Remove the drive wheel from the wheelchair Refer to Removing Installing Drive Wheels on page 138 2 Remove the four locknuts that secure the GB motor spacer to the GB motor Installing 1 Secure the new existing GB motor spacer to the GB motor with th...

Page 144: ...ls on page 138 2 Remove the four locknuts that secures the adapter plate with studs to the GB motor Installing 1 Secure the new existing adapter plate with studs to the GB motor with the existing four locknuts Tighten locknuts to 160 in lbs 13 3 ft lbs 18 03 Nm 2 Reinstall the drive wheel onto the wheelchair Refer to Removing Installing Drive Wheels on page 138 FIGURE 14 5 Removing Installing the ...

Page 145: ...unting screws 4 Reinstall the two mounting screws into the mounting holes of the wheel lock mounting bracket and gear box and torque to 75 in lbs 6 25 ft lbs 8 47 Nm 5 Repeat STEPS 1 4 for opposite wheel lock bracket 6 Adjust the wheel locks Refer to Adjusting Wheel Locks in the User Manual part number 1104782 or 1123757 FIGURE 14 6 Installing Wheel Lock Bracket onto Wheelchair Removing Installing...

Page 146: ...int to allow the use of the 16 mm length mounting screws This is accomplished by first using three 25 mm length mounting screws threaded in every other mounting hole The longer mounting screws are not to be threaded completely into the GB motor They are to be threaded 1 4 inch only to provide compression of the tire B Flat Free Tires Secure new existing rim and new existing tire with flat free to ...

Page 147: ...odily harm The recommended tire pressure is listed on the side wall of the tire Periodically the tires will need to be replaced due to wear or puncture 6 inch Casters and 8 inch Casters NOTE For this procedure refer to FIGURE 14 8 on page 147 1 Remove the mounting screw washers spacers and locknut that secure the caster to the fork 2 Remove the existing caster from the fork FIGURE 14 8 Removing Ca...

Page 148: ...sters and 8 Inch Casters NOTE For this procedure refer to FIGURE 14 10 1 Position the caster into the fork 2 Reinstall the mounting screw washers spacers and locknut that secure the caster to the fork 3 Torque locknut to 13 ft lbs 156 in lbs 17 6 Nm All values are 20 4 Loosen the locknut 1 8 of a turn 5 Move the caster side to side NOTE If the caster moves side to side tighten the locknut slightly...

Page 149: ... side of axle reducer 4 Position 9 inch caster assembly with hardware into fork 5 Secure 9 inch caster assembly with mounting screw and locknut 6 Torque locknut to 13 ft lbs 156 in lbs 17 6 Nm All values are 20 FIGURE 14 11 Installing Casters 9 inch Casters Shock Fork 8 Inch Fork Hardware Orientation 8 Inch Caster Mounting Hole Spacer Washer Mounting Screw Washer Spacer Locknut Washer Washer Lockn...

Page 150: ...e and spacer 5 Slide the new fork into the spacer and caster head tube NOTE Check bearing assemblies Replace if necessary 6 Ensure new fork slides completely into caster headtube 7 Install spacer nylon washer and secure with locknut WARNING Improper positioning of the washer will prohibit the free movement of the forks 8 Install the caster onto the new fork Refer to Removing Casters on page 147 9 ...

Page 151: ... Install coupling onto gearbox input shaft inserting coupling drive plate onto slot on shaft C Carefully align motor and coupling and place motor against gearbox D With motor against gearbox turn gearbox drive shaft until the coupler seats into gearbox NOTE When properly aligned motor will be seated into gearbox E Install two allen screws Use Loctite 242 tighten allen screws evenly and then torque...

Page 152: ...her that secure the alignment pin in place 9 Slide the alignment pin back out of the end of the motor lock lever 10 Remove the four mounting screws and washers that secure the motor to the suspension arm 11 Remove motor with motor lock lever from suspension arm 12 If replacing motor remove the motor lock lever from the brake release shaft of the existing motor Installing NOTE Do not tighten adjust...

Page 153: ...ng Installing Battery Boxes on page 121 9 Plug the wiring harness connector into the motor 10 Secure the wiring harness connector to the motor with the existing two mounting screws 11 Install the battery boxes Refer to Removing Installing Battery Boxes on page 121 FIGURE 14 14 Removing Installing the Motor Standard Gearless Brushless Motor Before 1 26 04 Brake Release Shaft Mounting Screws Guide B...

Page 154: ...nting screws and washers that secure the gearless brushless motor and spacer motor to the suspension arm 10 Remove the gearless brushless motor and fender bracket from the suspension arm Installing 1 Position the new existing motor onto the suspension arm in the mounting position noted in STEP 5 of Removing Installing the Motor Heavy Duty Gearless Brushless Motors on page 162 2 Re position the fen...

Page 155: ...ff the ground for ease in performing this procedure 5 Remove the drive wheel Refer to Removing Installing the SSD Motor Drive Wheel Wheel Hub on page 142 NOTE Take note of position and orientation of tie wraps securing wiring to the wheelchair before cutting tie wraps that secure the motor wiring to the wheelchair base frame Wiring must be reinstalled and secured in the same position and orientati...

Page 156: ...STEPS 3 9 to reinstall motor gearbox of Removing the SSD Motor Gearbox Assembly on page 155 If replacing the motor or gearbox perform the following i Replace the motor or gear box Refer to Replacing the SSD Motor or Gearbox Only on page 157 ii Reverse STEPS 3 9 to reinstall motor gearbox of Removing the SSD Motor Gearbox Assembly on page 155 NOTE When installing the motor gearbox torque the hex he...

Page 157: ...isting motor or gearbox depending on which is being replaced 6 Insert the new coupling onto the motor drive shaft 7 Align the gearbox drive shaft with the new coupling 8 Twist the motor to the proper alignment to the gearbox Refer to Aligning the SSD Motor to the Gearbox on page 158 9 Push the motor into the gearbox NOTE When installing the new band clamp it may be necessary to pull the band clamp...

Page 158: ...the correct motor 1 Locate the brake lever post on the end of the motor opposite the gearbox 2 Align the brake lever with the brake lever post so that The brake lever handle will be positioned towards the outside of the wheelchair The set screw will tighten against the flat space of the brake lever post The cut out on the bottom edge of the brake lever will fit around the brake lever stop 3 Secure...

Page 159: ...g screw that secures the rear of motor gearbox to the suspension arm 3 Remove the SHORTER mounting screw and lock washer if applicable that secures the rear of motor gearbox to the suspension arm CAUTION The longer mounting screws MUST be used to secure the rear of the gearbox to the suspension arm and the SHORTER mounting screws MUST be used to secure the FRONT of the gearbox to the suspension ar...

Page 160: ...rew and lock washer if applicable that secures the rear of motor gearbox to the suspension arm CAUTION The longer mounting screws MUST be used to secure the rear of the gearbox to the suspension arm and the SHORTER mounting screws MUST be used to secure the FRONT of the gearbox to the suspension arm otherwise damage to the gearbox casting can result 4 Secure the rear of the suspension arm to the m...

Page 161: ...rless brushless fender bracket in the orientation shown with the two pan head tap screws provided Securely tighten 5 Reinstall the drive wheel Refer to Removing Installing Drive Wheels on page 138 Removing 1 Remove the drive wheel Refer to Removing Installing Drive Wheels on page 138 2 Remove two top mounting screws that secure the fender bracket and gearless brushless motor to the suspension arm ...

Page 162: ... Nm 4 Secure the fender and spacer to the fender bracket in the orientation shown with the two pan head tap screws provided Securely tighten 5 Reinstall rim and tire to the gearless brushless motor Refer to Removing Installing the Rim and or Tire on page 145 Removing 1 Remove the rim and tire from the heavy duty gearless brushless motor Refer to Removing Installing the Rim and or Tire on page 145 ...

Page 163: ...ng Installing Drive Wheel Hub on page 140 NOTE Note mounting position of gearbox to suspension arm before disassembly NOTE To reposition the gearbox on the suspension arm refer to Stability and Balance on page 36 3 Remove the four hex screws and two washers that secure the existing motor gearbox to the suspension arm 4 Remove existing motor from gearbox Refer to Removing Installing Drive Wheels on...

Page 164: ... new gearbox with noted mounting holes 2 When reassembling gearbox to suspension arm use Loctite 242 and torque hex screws to 160 in lbs NOTE Replace any parts that show signs of wear or damage 3 Reinstall the drive wheel hub to the new gearbox driveshaft Refer to Removing Installing Drive Wheel Hub on page 140 4 Reinstall the drive wheels onto the wheelchair Refer to Removing Installing Drive Whe...

Page 165: ...st plate 4 Remove the phillips screws that secures the front of the armrest pad to the armrest plate 5 Remove the phillips screw that secures the rear of the armrest pad and armrest insert to the armrest plate 6 Remove the armrest pad from the armrest plate 7 Remove the lug bolt washers and locknut that secure the existing armrest plate to the armrest weldment 8 Repeat STEPS 4 7 for opposite side ...

Page 166: ...res the controller bracket to the base frame 5 Remove the 8 32 x 1 2 inch mounting screw and lockwasher that secures the front of the MKIV controller and jumper cable to the controller bracket 6 Remove the two 8 32 x 1 2 inch mounting screws that secure the rear of the MKIV controller to the controller bracket Installing MKIV Controller Wheelchairs Equipped with Non Powered Seating Systems 1 Secur...

Page 167: ... the other side of the controller bracket and opposite end of jumper cable to the base frame as shown in FIGURE 15 2 with the remaining new 5 16 18 x 1 inch hex head cap screw Securely tighten 5 Reinstall the controller shroud if applicable 6 Reinstall the battery boxes Refer to Removing Installing Battery Boxes on page 121 FIGURE 15 2 Removing Installing MkIV Controller Wheelchairs Equipped with ...

Page 168: ...ure the rear of the GB controller to the controller bracket Installing GB Controller Wheelchairs Equipped with Non Powered Seating Systems FIGURE 15 3 1 Secure the rear of the GB controller to the controller bracket with two of the new 10 32 x 1 2 inch mounting screws Securely tighten 2 Secure the front of the GB controller and one end of the jumper cable to the controller bracket with one of the ...

Page 169: ...ecline Control Module TRCM in Tilt and Recline Service Manual part number 1090208 4 Remove the 5 16 18 x 1 inch hex head cap screw that secures the jumper cable and controller bracket to the base frame 5 Remove the 5 16 18 x 1 inch hex head cap screw that secures the controller bracket to the base frame 6 Remove the 8 32 x 1 2 inch mounting screw and lockwasher that secures the front of the MKIV c...

Page 170: ... the new 5 16 18 x 1 inch hex head cap screw Securely tighten 4 Secure the other side of the controller bracket and opposite end of jumper cable to the base frame as shown in FIGURE 4 with one of the new 5 16 18 x 1 inch hex head cap screw Securely tighten 5 Reinstall the TRCM controller if applicable Refer to Replacing the Tilt and Recline Control Module TRCM in Tilt and Recline Service Manual pa...

Page 171: ...at secure the rear of the GB controller to the controller bracket Installing GB Controller Wheelchairs Equipped with 2nd Generation Tarsys Powered Seating Systems NOTE For this procedure refer to FIGURE 15 5 1 Secure the rear of the GB controller to the controller bracket with two of the new 10 32 x 1 2 inch mounting screws Securely tighten 2 Secure the front of the GB controller and one end of th...

Page 172: ...GURE 15 5 Removing Installing GB Controller Wheelchairs Equipped with 2nd Generation Tarsys Powered Seating Systems Jumper Cable 5 16 18 x 1 Inch Hex Head Cap Screws Lockwashers GB Controller Controller Bracket 10 32 x 1 2 Inch Mounting Screw 10 32 x 1 2 Inch Mounting Screws ...

Page 173: ...lock CAUTION DO NOT over tighten the mounting screws that secure the actuator to the pivot block Damage to actuator will occur 4 Secure the actuator to the pivot block with the two mounting screws and washers DO NOT overtighten 5 Remove the mounting screw that secures the wire retainer to the inside of the seat frame 6 Remove the two mounting screws and washers that secure the limit switch sensor ...

Page 174: ...he back of the wheelchair until the gas cylinder rod measures 3 21 32 of an inch 2 Turn the power of the joystick to the On position NOTE ALL segments of the bar graph on the joystick should start to flash on and off and the wheelchair should not operate 3 IF the wheelchair operates proceed to the following steps to adjust the actuator on the gas cylinder pivot block A Loosen but do not remove the...

Page 175: ... the tie wraps that secure the existing recliner cable assembly to the back cane 2 Remove the pan screw that secures the handle of the existing recliner cable assembly to the back cane 3 Loosen the jam nut on the gas cylinder rod 4 Remove the mounting screw washer nylon washers and locknut that secure the top of the gas cylinder to the mounting bracket on the back cane 5 Unscrew the gas cylinder f...

Page 176: ...sits on the pivot block there is no slack in the recliner cable and there is no movement in the operator of the recliner cable assembly 10 Visually inspect the handle to make sure that the cable is snapped completely into slot in handle and cable fitting is seat properly in the handle 11 Reinstall the mounting screw through the mounting bracket of the back cane nylon washer gas cylinder nylon wash...

Page 177: ...cing Gas Cylinder 1 Remove the mounting screw washer nylon washers and locknut that secure the Top of the gas cylinder to mounting bracket on back cane 2 Loosen the jam nut on existing gas cylinder rod 3 Unscrew the existing gas cylinder from the operator of the recliner cable assembly and the pivot block and remove the existing gas cylinder from the wheelchair Nylon Washers Tie Wraps Mounting Scr...

Page 178: ...ment in the operator of the cable assembly can not be eliminated DO NOT use the recliner cable assembly 6 Screw the new gas cylinder into the operator of the cable assembly until the jam nut sits on the pivot block there is no slack in recliner cable and there is no movement in the operator of the recliner cable assembly 7 Visually inspect the handle to make sure that the cable is snapped complete...

Page 179: ...wise approximately half revolution NOTE The gas cylinder rod will turn A Repeat STEP 1 B Repeat STEP B until the left side of the back does not recline 3 To adjust the right gas cylinder Repeat STEPS 1 and 2 for the left handle of the cable assembly CAUTION Damage to the gas cylinder rod WILL occur if the following steps are NOT followed when the jam nut is torqued against the pivot block 4 Using ...

Page 180: ...at frame WARNING The back canes MUST be fastened securely to the seat frame BEFORE using the wheelchair Torque mounting screws to 156 in lbs 9 Reinstall the mounting screw washer and locknut through the back cane and seat frame mounting holes and torque to 156 in lbs 13 ft lbs 17 62 Nm 10 Reinstall the mounting screw through the mounting bracket of the back cane nylon washer mounting hole in the T...

Page 181: ... the base frame MUST be converted from a long base frame to a standard base frame To adjust seat depth of wheelchair use following guidelines If the current seat depth is an odd number i e 17 inches 19 inches or 21 inches the seat depth cannot be increased without changing the seat frame Refer to Installing Replacing Adjustable 16 to 19 Inch Deep Recliner Seat Frame onto Arrow or Ranger X Base Fra...

Page 182: ...installing a 1 inch deeper seat pan Refer to Removing Installing Seat Pan on page 79 NOTE 22 inch seat depth is the deepest seat depth available on recliner seat frames FIGURE 16 6 Changing Seat Depth Changing Seat Width To change seat width the seat frame must be changed to the desired width Refer to Installing Replacing Adjustable 16 to 19 Inch Deep Recliner Seat Frame onto Arrow or Ranger X Bas...

Page 183: ...embly onto seat mount plates 5 Secure recliner seat assembly to seat mount plates with the mounting screws spacers and locknuts Torque the mounting screws to 156 in lbs NOTE There are three types of seat mount plates low medium and high heights The seat mount plate shown in this illustration represents the medium height Refer to Seat Angle Adjustment on page 81 for illustrations of the low and hig...

Page 184: ...art No 1104849 FIGURE 16 7 Installing Replacing Adjustable 16 to 19 Inch Deep Recliner Seat Frame onto Arrow or Ranger X Base Frame Mounting Screws Spacer Locknuts Base Frame Seat Mount Plate Recliner Seat Assembly Inside of Suspension Arm Assembly Warning Label ...

Page 185: ...iner bar to the base frame Wheelchairs without Vent Tray Loosen the rearmost hex screw that secures the battery box sub frame and spacer to the base frame 4 Perform one of the following Wheelchairs Equipped with Vent Tray Remove the mounting screw that secures the top of the shock and retainer clip to the base frame Wheelchairs without Vent Tray Remove the mounting screw that secures the top of th...

Page 186: ...ox retainer bar to the base frame to 160 in lbs 13 3 ft lbs 18 03 Nm Wheelchairs without Vent Tray Secure the top of shock to base frame Apply Loctite 242 and torque to 160 in lbs 13 3 ft lbs 18 03 Nm 8 Perform one of the following sections For Shocks Secure the new shock to the anti tip bracket and suspension arm with the existing mounting screw two large washers two short spacers and locknut Tor...

Page 187: ...24 Batteries Wheelchairs Equipped With Vent Tray Wheelchairs Equipped Without Vent Tray Top of Shock or Rubber Element Rear of Chair Front of Chair Mounting Screws Loosen Battery Box Retainer Bar Retainer Clip Closed End Spacer Battery Box Sub Frame Top of Shock Spacer Base Frame Battery Box Sub Frame Rearmost Mounting Screws Loosen ...

Page 188: ...knut that secure the shock to the anti tip bracket and suspension arm 5 Remove the shock from the base frame 6 Secure the top of the new shock to base frame Apply Loctite 242 and torque to 160 in lbs 13 3 ft lbs 18 03 Nm FIGURE 17 3 7 Secure the bottom of the new shock to the suspension arm with the existing mounting screw and locknut Apply Loctite 242 and torque to 160 in lbs 13 3 ft lbs 18 03 Nm...

Page 189: ...erclockwise to unthread it from the shock 6 Remove the spring retainer and spring 7 Place the new spring onto the shock 8 Reinstall the shock eyelet assembly and the spring retainer onto the new spring 9 While holding the spring retainer torque the shock eyelet assembly to 245 in lbs 10 Position the retainer clip between the shock and the battery box sub frame making sure the retainer clip mountin...

Page 190: ... anti tipper wheels to the anti tip bracket 2 Replace anti tipper wheel s and torque existing hardware to 156 in lbs 13 ft lbs 17 62 Nm DO NOT overtighten Group 22 Batteries Group 24 Batteries NOTE Shock exploded away for clarity There is no need to remove shock from suspension arm Shock Suspension Arm Mounting Screw Spacer Retainer Clip Battery Box Retainer Bar Shock Eyelet Assembly Hex Screws Sh...

Page 191: ...llation of the 4 inch active anti tip assemblies 2 Remove the 5 16 18 x 3 1 4 inch hex head cap screw two small washers long spacer and locknut that secure the front of the anti tip bracket to the the suspension arm Save hex head mounting screw and locknut for installation of 4 inch active anti tip assemblies FIGURE 17 6 Removing Installing the 3 inch Anti Tip Assembly Anti Tipper Wheel Spacer Loc...

Page 192: ...r written permission from Invacare Trademarks are identified by and All trademarks are owned by or licensed to Invacare Corporation or its subsidiaries unless otherwise noted Loctitie is a registered trademark of Loctite Corporation Super Lube is a registerd trademark of SYNCO Chemical Corporation Part No 1104849 Rev F 01 10 15 LIMITED WARRANTY For warranty information please refer to the original...

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