Invacare At'm Manual

Owner’s Operator and Maintenance Manual
DEALER: This manual MUST be given to
the user of the wheelchair.
USER: BEFORE using this wheelchair, read
this manual and save for future reference.
For more information regarding
Invacare products, parts, and services,
please visit www.invacare.com
At’m

REFERENCE DOCUMENTS
At’m 2Part No. 1125035
 WARNING
A qualified technician MUST perform the initial set up of this wheelchair. Also, a
qualified technician MUST perform all procedures in the service manual.
DO NOT use this product or any availa le optional equipment without first
completely reading and understanding these instructions and any additional
instructional material such as owner’s manuals, service manuals or instruction
sheets supplied with this product or optional equipment. If you are una le to
understand the warnings, cautions or instructions, contact a healthcare
professional, dealer or technical personnel efore attempting to use this equipment
- otherwise, injury or damage may occur.
 ACCESSORIES WARNING
Invacare products are specifically designed and manufactured for use in conjunction
with Invacare accessories. Accessories designed y other manufacturers have not
een tested y Invacare and are not recommended for use with Invacare products.
REFERENCE DOCUMENTS
Refer to the table below for part numbers of additional documents which are referenced
in this manual.
NOTE: Updated versions of this manual are available on www.invacare.com.
MANUAL PART NUMBER
At’m Service Manual 1125078
MK5™NX™Electronics 1110532

TABLE OF CONTENTS
Part No. 1125035 3At’m
TABLE OF CONTENTS
REFERENCE DOCUMENTS ................................................................. 2
REGISTER YOUR PRODUCT ............................................................... 5
SPECIAL NOTES ................................................................................ 6
LABEL LOCATION ............................................................................ 7
At’m ...............................................................................................................................................................7
TYPICAL PRODUCT PARAMETERS .................................................... 8
SECTION 1—GENERAL GUIDELINES ................................................... 9
Controller Settings/Rep ir or Service ...................................................................................................9
Tire Pressure ...............................................................................................................................................9
Accessories Inform tion ...........................................................................................................................9
Oper tion Inform tion............................................................................................................................10
B tteries......................................................................................................................................................11
Ch rging B tteries ...............................................................................................................................12
Grounding Instructions ...........................................................................................................................12
R in Test.....................................................................................................................................................12
Weight Tr ining ........................................................................................................................................13
Weight Limit tion.....................................................................................................................................13
SECTION 2—EMI INFORMATION ..................................................... 14
SECTION 3—SAFETY/ ANDLING OF W EELC AIRS ......................... 16
St bility nd B l nce.................................................................................................................................16
Coping With Everyd y Obst cles.........................................................................................................17
A Note to Wheelch ir Assist nts ........................................................................................................17
Lifting/St irw ys ........................................................................................................................................17
Re ching, Le ning nd Bending - Forw rd......................................................................................18
Re ching nd Bending - B ckw rd ...................................................................................................19
SECTION 4—SAFETY INSPECTION/TROUBLES OOTING .................... 20
S fety Inspection Checklists...................................................................................................................20
Inspect/Adjust Initi lly .........................................................................................................................20
Inspect/Adjust Weekly........................................................................................................................21
Inspect/Adjust Monthly.......................................................................................................................21
Inspect/Adjust Periodic lly.................................................................................................................21
Troubleshooting Guide ...........................................................................................................................22
SECTION 5—W EELC AIR OPERATION ........................................... 23

TABLE OF CONTENTS
At’m 4Part No. 1125035
TABLE OF CONTENTS
Oper ting the Wheelch ir......................................................................................................................23
Turning the Power On/Off................................................................................................................23
Using the Joystick to Drive the Ch ir .............................................................................................24
Using the Horn.....................................................................................................................................24
Joystick Switches nd Indic tors ...........................................................................................................25
On/Off Button ......................................................................................................................................25
Speed Control Knob ...........................................................................................................................25
Joystick....................................................................................................................................................25
Inform tion G uge Displ y ................................................................................................................25
Multi Function Ch rger Port .............................................................................................................27
Resetting the Circuit Bre ker................................................................................................................27
SECTION 6—SEAT ........................................................................... 29
Removing/Inst lling the Se t...................................................................................................................29
Removing ...............................................................................................................................................29
Inst lling..................................................................................................................................................29
Repl cing Se t Positioning Str p ...........................................................................................................31
SECTION 7—JOYSTICK .................................................................... 32
Disconnecting/Connecting the Joystick...............................................................................................32
Disconnecting .......................................................................................................................................32
Connecting ............................................................................................................................................32
Repositioning the Joystick.......................................................................................................................33
SECTION 8—BATTERIES .................................................................. 35
W rnings For H ndling nd Repl cing B tteries ...............................................................................35
Recommended B ttery Type .................................................................................................................35
Removing/Inst lling the B ttery P ck...................................................................................................36
Removing ...............................................................................................................................................36
Inst lling..................................................................................................................................................36
Removing/Inst lling the B tteries From/Into the B ttery P ck ......................................................37
Removing ...............................................................................................................................................37
Inst lling..................................................................................................................................................38
Ch rging B tteries ....................................................................................................................................39
Ch rging Using n Independent Ch rger .......................................................................................39
SECTION 9—MOTORS ..................................................................... 42
Eng ging/Diseng ging the Motors .........................................................................................................42
SECTION 10—FRONT RIGGINGS ...................................................... 44

TABLE OF CONTENTS
Part No. 1125035 5At’m
TABLE OF CONTENTS
Inst lling/Removing the Front Rigging Assembly ...............................................................................44
Inst lling..................................................................................................................................................44
Removing ...............................................................................................................................................44
Adjusting Footrest Height ......................................................................................................................45
SECTION 11—W EELS AND CASTERS .............................................. 46
Repl cing Front C sters..........................................................................................................................46
Adjusting Forks .........................................................................................................................................47
Removing/Inst lling the Drive Wheels ................................................................................................47
Removing ...............................................................................................................................................47
Inst lling..................................................................................................................................................48
Repl cing the Fl t Free Tires on the Wheel Rim..............................................................................48
SECTION 12—TRANSPORTING T E W EELC AIR ........................... 49
GLOBAL LIMITED WARRANTY (EXCLUDING CANADA) ................... 51
CANADA LIMITED WARRANTY ...................................................... 52
REGISTER YOUR PRODUCT
The benefits of registering include:
1. S fegu rding your investment.
2. Ensuring long-term m inten nce nd servicing of your product.
3. Receiving upd tes with product inform tion, m inten nce tips nd industry news.
Register ONLINE at warranty.invacare.com
Ple se h ve your model number nd purch se d te v il ble to complete your registr tion.
Any registr tion inform tion you submit will only be used by Inv c re Corpor tion nd protected
s required by pplic ble l ws nd regul tions.

SPECIAL NOTES
At’m 6Part No. 1125035
SPECIAL NOTES
Signal words are used in this manual and apply to hazards or unsafe practices which
could result in personal injury or property damage. Refer to the table below for
definitions of the signal words.
NOTICE
THE INFORMATION CONTAINED IN THIS DOCUMENT IS SUBJECT TO
CHANGE WITHOUT NOTICE.
WHEELCHAIR USER
As a manufacturer of wheelchairs, Invacare endeavors to supply a wide variety of
wheelchairs to meet many needs of the end user. However, final selection of the
type of wheelchair to e used y an individual rests solely with the user and his/her
healthcare professional capa le of making such a selection.
WHEELCHAIR TIE-DOWN RESTRAINTS AND SEAT RESTRAINTS
Wheelchair users should NOT e transported in vehicles of any kind while in
wheelchairs. As of this date, the Department of Transportation has not approved
any tie-down systems for transportation of a user while in a wheelchair, in a moving
vehicle of any type.
It is Invacare’s position that users of wheelchairs should e transferred into
appropriate seating in vehicles for transportation and use e made of the restraints
made availa le y the auto industry. Invacare cannot and does not recommend any
wheelchair transportation systems.
 WARNINGS
Wheelchairs should e examined during maintenance for signs of corrosion (water
exposure, incontinence, etc). Electrical components damaged y corrosion should
e replaced IMMEDIATELY.
Wheelchairs that are used y incontinent users and/or are frequently exposed to
water may require replacement of electrical components more frequently.
Invacare products are specifically designed and manufactured for use in conjunction
with Invacare accessories. Accessories designed y other manufacturers have not
een tested y Invacare and are not recommended for use with Invacare products.
ALWAYS wear your seat positioning strap. The seat positioning strap is a position-
ing elt only. It is not designed for use as a safety device withstanding high stress
loads such as auto or aircraft safety elts. If signs of wear appear, elt MUST e
replaced immediately.
SIGNAL WORD MEANING
DAN ER Danger indicates an imminently hazardous situation which,
if not avoided, will result in death or serious injury.
WARNIN Warning indicates a potentially hazardous situation which, if
not avoided, could result in death or serious injury.
CAUTION Caution indicates a potentially hazardous situation which, if
not avoided, may result in property damage.

LABEL LOCATION
Part No. 1125035 7At’m
LABEL LOCATION
At’m
NOTE: Warning
label 112 068 is also
located on the
opposite side.
NOTE: Warning label
112 069 is also located
on the opposite side.
Serial Number Label is
located on inside of
the base frame tube.

TYPICAL PRODUCT PARAMETERS
At’m 8Part No. 1125035
TYPICAL PRODUCT PARAMETERS
*NOTE: Values for range are calculated for maximum chair weight rating using largest batteries
applicable (M17 - 12 SLSM gel cell/PE 12V 12SLA), per test procedures described in
ANSI/RESNA WC/VOL2-1998 Section 4 and meet federal reimbursement requirements for this
product. While considered typical, they are derived based on certain ideal conditions. Variances in
battery condition, user weight, usage pattern or overall terrain conditions will result in actual
values for range that 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 Charging
Batteries on page 39 for more information about the battery discharge indicator.
PARAMETERS At’m
SEAT WIDTH: 16, 18 inches
SEAT DEPTH: 14, 16 inches
BACK HEIGHT: 18, 21 inches
SEAT-TO-FLOOR: 20 inches
OVERALL WIDTH (EXCLUDING JOYSTICK): 25.5 inches
OVERALL HEIGHT
FOR 16 INCHES WIDE:
FOR 18 INCHES WIDE:
38 inches
41 inches
OVERALL LENGTH (INCLUDING ANTI-TIPPERS): 35.5 inches
WEIGHT
BASE WITHOUT BATTERY PACK/BOX:
SEAT:
BATTERY PACK/BOX:
34 lbs
14 lbs
26 lbs
SHIPPING: 90 lbs
DRIVE WHEELS/TIRES: 12½ x 2¼ inches
CASTER WITH PRECISION SEALED BEARINGS: 6-inch solid
UPHOLSTERY: Black Nylon
BATTERY SIZE (TWO [ ] REQUIRED): M17 - 12 SLSM gel cell
PERFORMANCE
SPEED (M.P.H.):
MAXIMUM RAMP/SLOPE CAPABILITY:
*RAN E (VARIABLE):
WEI HT LIMITATION:
3¾
6°
Up to 12 miles
250 lbs

SECTION 1—GENERAL GUIDELINES
Part No. 1125035 9At’m
SECTION 1—GENERAL GUIDELINES
 WARNING
SECTION 1 - GENERAL GUIDELINES contains important information for the safe
operation and use of this product.
Controller Settings/Repair or Service
Set-up of the Electronics Control Unit is to be performed only by a qualified technician.
he final adjustments of the controller may affect other activities of the wheelchair.
Damage to the equipment could occur if improperly set-up or adjusted. Reprogramming
the controller reduces the stability/control of the wheelchair. Other program settings
could cause the wheelchair to tip over resulting in serious injury to the user and/or
damage to the surrounding property. If any individual other than a qualified technician
performs any work on these units, the warranty is void.
Wheelchairs should be examined during maintenance for signs of corrosion (water
exposure, incontinence, etc). Electrical components damaged by corrosion should be
replaced IMMEDIA ELY.
Wheelchairs that are used by incontinent users and/or are frequently exposed to water
may require replacement of electrical components more frequently.
Tire Pressure
DO NOT use your wheelchair unless it has the proper tire pressure (P.S.I.) - otherwise
the wheelchair may not drive correctly, stop correctly or may e perience erratic
performance.
Maintain tire pressure at a minimum of 30 p.s.i.
DO NO overinflate the tires. Failure to follow these suggestions may cause the tire to
explode and cause bodily harm. he maximum inflation pressure is listed on the side wall
of the tire.
Accessories Information
EX REME care should be exercised when using oxygen in close proximity to electric
circuits and other combustible materials. Contact your oxygen supplier for instruction in
the use of oxygen.
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.

SECTION 1—GENERAL GUIDELINES
At’m 0 Part No. 1125035
Operation Information
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.
Performance adjustments should only be made by professionals of the healthcare field or
persons fully conversant with this process and the driver's capabilities. Incorrect settings
could cause injury to the driver, bystanders, damage to the chair and to surrounding
property.
After the wheelchair has been set-up, check to make sure that the wheelchair performs to
the specifications entered during the set-up procedure. If the wheelchair does NO
perform to specifications, turn the wheelchair Off immediately and reenter set-up
specifications. Repeat this procedure until the wheelchair performs to specifications.
ALWAYS shift your weight in the direction you are turning. DO NO shift your weight in
the opposite direction of the turn. Shifting your weight in the opposite direction of the
turn may cause the inside drive wheel to lose traction and the wheelchair to tip over.
DO NO tip the wheelchair without assistance.
Anti-tippers MUS be used at all times. When outdoors on wet, soft ground or gravel
surfaces, anti-tippers may not provide the same level of protection against tip over. Extra
caution MUS be observed when traversing such surfaces.
DO NO shift your weight or sitting position toward the direction you are reaching as the
wheelchair may tip over.
DO NO make sharp turns in the forward or reverse direction at excessive speed. Failure
to observe this warning can cause the wheelchair to tip over and may result in injury to
users, bystanders and/or damage to product.
DO NO attempt to reach objects if you have to move forward in the seat.
DO NO lean over the top of the back upholstery to reach objects behind you, as this may
cause the wheelchair to tip over.
ALWAYS keep hands and fingers clear of moving parts to avoid injury.
DO NO engage or disengage the motor engagement handles until the power is in the Off
position.
DO NO attempt to transfer into or out of the wheelchair without the motor engagement
handles in the engaged (horizontal) position.
DO NO operate on roads, streets or highways.
DO NO climb, go up or down ramps or traverse slopes greater than 6°.
DO NO attempt to move up or down an incline with a water, ice or oil film.
NEVER leave an unoccupied wheelchair on an incline.
DO NO attempt to drive over curbs or obstacles. Doing so may cause your wheelchair
to turn over and cause bodily harm or damage to the chair.
DO NO stand on the frame of the wheelchair.