Otto Bock SKIPPI User manual

Skippi
Service Manual

Skippi Ottobock | 3
Skippi power wheelchair service manual
Contents Page
1 General information .........................................................................................................5
1.1 Foreword.................................................................................................................5
1.2 Overview .................................................................................................................6
2 Safety instructions............................................................................................................7
2.1 Explanation of symbols ..........................................................................................7
2.2 Standards and directives .......................................................................................7
2.3 General safety instructions ....................................................................................7
2.4 Safety instructions for the use of tools and accessories ......................................8
2.5 Safety instructions for maintenance work .............................................................9
2.6 Safety instructions for maintenance work on electrical components .................10
2.7 Effects of electromagnetic interference .............................................................. 11
2.7.1 General information on electromagnetic interference ............................................ 11
2.7.2 Warnings regarding effects of electromagnetic interference ................................. 12
2.7.3 Interference resistance of this power wheelchair ................................................... 13
2.8 Safety instructions for disposal ...........................................................................13
3 Transportation and storage............................................................................................14
3.1 Transportation ...................................................................................................... 14
3.2 Storage.................................................................................................................15
4 Required tools and accessories.....................................................................................16
5 Information display.........................................................................................................17
6 Service Work...................................................................................................................18
6.1 Checking the general condition ...........................................................................18
6.2 Control unit..........................................................................................................18
6.3 Battery pack/fuse ................................................................................................20
6.4 Replacing the controller.......................................................................................22
6.5 Side panel ............................................................................................................23
6.6 Seat ......................................................................................................................25
6.7 Back .....................................................................................................................27
6.8 Footrests ..............................................................................................................28
6.9 Electric seat tilt ....................................................................................................30
6.10 Electric back angle adjustment..........................................................................30
6.11 Retrotting the seat height adjustment (optional) .............................................31
6.11.1 Programming ..........................................................................................................34

Skippi4 | Ottobock
6.12 Drive unit.............................................................................................................36
6.13 Motors.................................................................................................................36
6.14 Tyres ....................................................................................................................38
6.15 Options ...............................................................................................................39
7 Diagnostics.....................................................................................................................44
7.1 Diagnostic steps ...................................................................................................44
7.2 Display of errors/faults.........................................................................................45
8 enAble40 wheelchair control – installation and programming......................................46
8.1 Overview ...............................................................................................................46
8.2 Installation and Wiring..........................................................................................46
8.3 Programming devices ..........................................................................................47
8.3.1 Handheld programming device ............................................................................... 47
8.3.2 PC programming station (PCPS).............................................................................49
8.4 Programmable Parameters..................................................................................49
8.4.1 “Conguration” Parameter ......................................................................................50
8.4.2 “MyChair” Parameter............................................................................................... 51
8.4.3 Drive Menu...............................................................................................................52
8.4.4 Steer Menu ..............................................................................................................53
8.4.5 Hand Controls Menu................................................................................................54
8.4.6 Speed Mode.............................................................................................................55
8.4.7 Joystick Menu ..........................................................................................................56
8.4.8 Sound and Display Menu ........................................................................................56
8.4.9 Charger Inhibit Menu...............................................................................................57
8.4.10 Seat Menu ..............................................................................................................57
8.4.11 Lights Menu ............................................................................................................58
8.4.12 Current Limits Menu...............................................................................................58
8.4.13 Multi-Function Input 1 Menu ..................................................................................59
8.4.14 Multi-Function Input 2 Menu ..................................................................................59
8.4.15 Multi-Function Input 3 Menu ..................................................................................60
8.4.16 Compensation Menu..............................................................................................60
8.4.17 Motor and Brakes Menu......................................................................................... 61
8.4.18 Custom Battery ......................................................................................................62
8.4.19 Monitor Menu .........................................................................................................62
9 Delivery...........................................................................................................................64
9.1 Final inspection ....................................................................................................64
9.2 Record of delivery ................................................................................................65
10 Maintenance schedule .................................................................................................66
11 Appendices...................................................................................................................68
11.1 Technical data.....................................................................................................68
11.2 Torque values of the screw connections ............................................................68

General information
Skippi Ottobock | 5
1 General information
1.1 Foreword
• Regular maintenance is important - it improves safety and increases the lifespan of the
product.
• All Mobility products should be inspected and serviced once a year.
• However, we recommend inspecting, readjusting, and if necessary servicing the product
every 6 months if the product is used frequently, by growing children or by users with
changing clinical conditions.
•
Only use original spare parts for all service and maintenance work. The service and main-
tenancetasksdescribedhereshouldonlybecompletedbytrained,qualiedpersonnel
and not by the user of the device.
•
This service and maintenance manual refers to the respective spare parts catalogues and
the instructions for use of the described products. Please use these documents together.
• Use the maintenance schedule (checklist) as a template for making copies. Retain com-
pleted maintenance schedules and provide the customer with a copy.
Instructions for use
Skippi 647G57=*

General information
Skippi6 | Ottobock
1.2 Overview
Fig. 1Overview
1 Standard back 6 Caster wheel
2 Side panel 7 Motor
3 Standard seat 8 Drive wheel
4 Brake lever 9 Frame
5 Footrest 10 Control panel

Safety instructions
Skippi Ottobock | 7
2 Safety instructions
2.1 Explanation of symbols
WARNING Warnings regarding possible risks of severe accident or injury.
CAUTION Warnings regarding possible risks of accident or injury.
NOTICE Warnings regarding possible technical damage.
INFORMATION Information regarding operation. Information for service personnel.
2.2 Standards and directives
All safety information contained in this service manual refers to the currently valid national laws
and regulations of the European Union. In other countries, compliance with the applicable laws
and national regulations is required.
The power wheelchair has been constructed using state-of-the-art technology and is safe to
operate.ThesafetyoftheSkippipowerwheelchairhasbeenconrmedbyCEcerticationand
the declaration of conformity.
2.3 General safety instructions
INFORMATION
Regular maintenance is important. It increases safety and prolongs the service life of the product.
CAUTION
Risk of suffocation. Packaging materials must be kept out of reach of children.
NOTICE
Risk of damage due to unauthorised service. Service and maintenance work may only be com-
pletedbyqualiedpersonnel.Onlyoriginalsparepartsmaybeusedforallserviceandmaintenance
tasks.
NOTICE
Risk of damage caused by not adhering to maintenance intervals. The manufacturer recom-
mends having the power wheelchair inspected and maintained for functionality and operational safe-
tybyauthorised,qualiedpersonnelonceayear.Incaseoffrequentuserchanges(growingchildren
or youths) or users with changing clinical pictures, the wheelchair should be inspected, adjusted and
maintained twice a year.

Safety instructions
Skippi8 | Ottobock
NOTICE
Risk of damage caused by failure to comply with the service documentation. Knowledge of the
service instructions and the instructions for use is a prerequisite for proper service.
The service and maintenance instructions must be read carefully before commencing work. The
service manual applies in conjunction with the instructions for use and the spare parts catalogue. All
documents must be used together.
All safety instructions contained in this service manual and all other applicable documents must be
observed and complied with. They must be available to service and maintenance personnel at all
times.
NOTICE
Risk of damage due to excessive heat or cold. The power wheelchair is only functional in a tem-
perature range from -15 °C to +40 °C/+5 °F to +104 °F. It must not be operated at temperatures
outside this range.
NOTICE
Damage due to overloading. The maximum load capacity for the power wheelchair is 50 kg/
110,2 lbs.
INFORMATION
Familiarise yourself with the functions of the product. If you are not familiar with the product, read
the instructions for use before testing it. The instructions for use are available from the manufacturer
(see overview of all Ottobock subsidiaries under "Ottobock Worldwide"). Additional documentation
can be downloaded from the manufacturer's website at www.ottobock.de or www.ottobock.com.
2.4 Safety instructions for the use of tools and accessories
CAUTION
Risk of health impairment due to the use of incorrect tools. When completing the tasks, only use
tools that are suitable for the conditions at the place of work and for which safety and the protection
of health are assured with proper use.
Verify proper functionality before use. For use of the work equipment, the ergonomic relations bet-
weentheworkplace,workequipment,workorganisation,workowandtaskmustbetakeninto
consideration; this especially applies to the body posture assumed when using the work equipment.
CAUTION
Health risks due to the use of improper work clothing. Ensure that legally prescribed protective
work clothing is worn.
CAUTION
Risk of injury during tasks that involve lifting. When repair and maintenance tasks must be com-
pleted under raised parts or equipment, ensure suitable precautions are taken to secure the applica-
ble components against falling. Equipment used to raise loads must prevent the load from acciden-
tally shifting in a dangerous manner, dropping in free fall or being accidentally released.
When using a lifting platform, make sure the power wheelchair is centred on the platform and no
parts (e.g. anti-tipper) are protruding into the danger zone.

Safety instructions
Skippi Ottobock | 9
CAUTION
Risk due to hazardous materials. Hazardous materials may only be kept at the place of work in
quantities required for ongoing tasks. Regularly and safely remove waste and residue. Clean up
spilled substances immediately.
2.5 Safety instructions for maintenance work
CAUTION
Risk of injury due to pinch points. For design reasons, there are pinch points between the seat
and frame of the power wheelchair. Special caution is required during all work on the corresponding
components.
CAUTION
Hazards while working on the brake system. Note that there is no braking functionality when the
brake is unlocked. The brake must only be unlocked in hazardous situations and for maintenance
or repairs. The corresponding force required for acceleration and deceleration must come from the
person pushing.
Once push mode is no longer needed, the brake release lever must be locked immediately.
NOTICE
Risk of damage due to improper preparation for maintenance work.
•The power wheelchair must be turned off and the fuse must be removed for all maintenance tasks.
Functional tests of the electrical components are excepted from this rule.
•Secure the product to prevent it from tipping over or falling, e.g. off the workbench.
•Some components of the power wheelchair, e.g. the batteries, frame, seat and motors, are very
heavy.Hoistingdevicesofsufcientcapacitymustbeusedwhereapplicable.
•Clean/disinfect the product before you start testing it. Consult the instructions for use regarding
productcareandproduct-specictestinginstructions.
NOTICE
Risk of damage due to unsecured screw connections. Unsecured screw connections can become
loose while using the product. Secure screws and nuts. The screw connections must be tightened
properlyafterallinstallationtasks.Denedtorquespecicationsmustbefollowed.
Many screw connections utilise screws and nuts equipped with a thread lock. If such screw connec-
tions need to be loosened, the nuts or screws must be replaced with nuts/screws supplied with a
new thread lock. If new screws or nuts with a thread lock are not available, apply a medium-strength
liquid thread locking compound (such as Loctite® 241 or Euro Lock A24.20) to the existing screws.
NOTICE
Risk of damage to the padding. The upholstery must be adequately protected against mechanical
andchemicaldamageduringallworkontheseat.Thebackrestandseatbottomareameretar-
dantbutneverthelessammable.Theymustnotcomeintocontactwithopenamesorembers.

Safety instructions
Skippi10 | Ottobock
NOTICE
Damage due to improper cleaning after completion of the maintenance tasks. The power
wheelchair may not be cleaned with a jet of water or a pressure washer under any circumstances.
A cloth or sponge may be used for cleaning. Water must not come into direct contact with the motor
under any circumstances.
Check the driving behaviour of the power wheelchair after cleaning it.
INFORMATION
The tyres of the power wheelchair contain chemical substances that may react with other chemical
substances (e.g. cleaning agents, acids, etc.).
2.6 Safety instructions for maintenance work on electrical components
NOTICE
Risk of damage due to improper preparation for maintenance work.
•If the driving function is not required, turn off the control unit or jack up the drive wheels in order to
prevent uncontrolled operation through accidental joystick activation.
•When carrying out maintenance work make sure water does not come into direct contact with the
electronics or the battery.
•When attaching plug connectors on the controller make sure the contacts are assigned correctly.
CAUTION
Risk of injury while working on the battery. Only use Ottobock battery chargers which have been
tested and approved for use with the given batteries by the manufacturer (observe information on
battery charger). Failure to do so can result in a battery explosion and endangerment to health due
to contact with battery acid.
Smokingandopenamesareprohibitedwhileworkingonthebatteries.Sparksmustbeavoided.
Drive batteries can supply very large amounts of energy and may arc if they are short-circuited. The-
refore, always disconnect the batteries when working on the motor control or wiring.
NOTICE
Risk of battery damage. In order to prevent short circuits, always use insulated tools when working
on the batteries.
Prevent deep discharge of the batteries in order to avoid loss of functionality and permanent battery
damage. Ensure correct polarity when connecting the batteries.
NOTICE
Damage to the battery charger. Prevent overheating of the charger during the charging process.
Ensurethatthecoolingnsonthebackofthedevicearenotcovered.
INFORMATION
During extended periods of disuse or shipment of the power wheelchair, remove the fuse from the
fuse holder to prevent deep discharge of the batteries due to standby consumption.

Safety instructions
Skippi Ottobock | 11
2.7 Effects of electromagnetic interference
WARNING
Risks of injury and product damage due to electromagnetic interference. It is very important that
you read the information pertaining to the possible effects of electromagnetic interference on your
power wheelchair.
2.7.1 General information on electromagnetic interference
U
Power wheelchairs may be susceptible to electromagnetic interference. This is the interfering
electromagnetic energy emitted by radio equipment such as radio and television stations,
amateur radio transmitters (HAM), two-way radios, and cellular phones.
U
The interference (from radio wave sources) can cause the power wheelchair to release its
brakes, move by itself, or move in unintended directions.
UIt can also permanently damage the power wheelchair control system.
U
The intensity of the interfering EM energy can be measured in volts per meter (V/m). Each
power wheelchair can resist EMI up to a certain intensity. This is called its “immunity level”.
The higher the immunity level, the greater the protection. At this time, current technology is
capable of achieving at least a 20 V/m immunity level, which provides effective protection
from the more common sources of radiated EMI.
U
Thereareanumberofsourcesofrelativelyintenseelectromagneticelds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.
UThesourcesofradiatedEMIcanbebroadlyclassiedintothreetypes:
–
Handheld portable transceivers (transmitters-receivers) with the antenna mounted directly on
thetransmittingunit.Examplesinclude:citizensband(CB)radios,"walkietalkie,"security,
re,andpolicetransceivers,cellulartelephones,andotherpersonalcommunicationdevices.
INFORMATION
Some cellular telephones and similar devices transmit and receive signals while they are ON, even
when not being used;
– Medium-rangemobiletransceivers,suchasthoseusedinpolicecars,retrucks,ambu-
lances, and taxis. These usually have the antenna mounted on the outside of the vehicle;
–
Long-range transmitters and transceivers, such as commercial broadcast transmitters
(radio and TV broadcast antenna towers) and amateur (HAM) radios.
UBecause EM energy rapidly becomes more intense as one moves closer to the transmitting
antenna(source),theEMeldsfromhandheldradiowavesources(transceivers)areofspecial
concern. It is possible to unintentionally bring high levels of EM energy very close to the po-
wer wheelchair's control system while using these devices. This can affect power wheelchair
operation and braking.

Safety instructions
Skippi12 | Ottobock
U Other types of handheld devices, such as cordless phones, laptop computers, AM/FM radios,
TV sets, CD and cassette players as well as small appliances such as electric shavers and hair
dryers, as far as we know, are not likely to cause EMI problems with your power wheelchair.
2.7.2 Warnings regarding effects of electromagnetic interference
WARNING
Risk of accidents due to uncontrolled driving behaviour. Electromagnetic interference (EMI) from
sources such as radio and TV stations, amateur radio (HAM) transmitters, two-way radios, and
cellular phones can affect power wheelchairs and motorized scooters. Following the warnings listed
below should reduce the chance of unintended brake release or power wheelchair movement which
could result in serious injury.
INFORMATION
The warnings listed below are provided to prevent possible interference with the control system of
the power wheelchair.
U Do not turn ON handheld personal communication devices, such as citizens band (CB) radios
and cellular phones, while the power wheelchair is turned ON.
U
Be aware of nearby transmitters, such as radio or TV stations, and try to avoid coming close
to them;
UIf unintended movement or brake release occurs, turn the power wheelchair OFF as soon as
it is safe.
UBe aware that adding accessories or components, or modifying the power wheelchair, may
makeitmoresusceptibletointerferencefromradiowavesources.(Note:Thereisnoeasy
way to evaluate the effect of radio waves on the overall immunity of the power wheelchair.)
U
Report all incidents of unintended movement or brake release to the power wheelchair ma-
nufacturer, and note whether there is a radio wave source nearby.
NOTICE
Interference from electromagnetic elds. The power wheelchair has been tested according to
EMCregulations.Thefollowingparticularitiesmustbeobservedduringoperation:
Thepowerwheelchaircangenerateelectromagneticeldsthatcancauseinterferencewith
other devices. Therefore the controls should be switched off when no function is required.
Despite of compliance with all applicable EMC directives and standards, the power wheelchair
can be affected by interference from other electric devices (e.g. department store EAS sy-
stems) or cause interference to such devices. If you notice such behaviour, move your power
wheelchair outside the interference range.

Safety instructions
Skippi Ottobock | 13
2.7.3 Interference resistance of this power wheelchair
INFORMATION
20 volts per meter (V/m) is a generally achievable and effective immunity level against interference
from radio wave sources (as of May 1994) (the higher the level, the greater the protection);
INFORMATION
Thispowerwheelchairmodelasshipped,withnofurthermodication,hasanimmunitylevelof20
V/m.
2.8 Safety instructions for disposal
INFORMATION
If the power wheelchair is no longer in use, it must be disposed of properly in accordance with natio-
nal regulations.
In case of disposal, all components and materials of the power wheelchair must be recycled or dis-
posed of properly.
CAUTION
Risk of polluting the environment with battery acid. The batteries of the power wheelchair contain
a toxic acid. They must not be disposed of with regular domestic waste and the battery acid must
not enter the sewage system or penetrate into the ground. The instructions of the battery manufac-
turer printed on the batteries must be observed.

Transportation and storage
Skippi14 | Ottobock
3 Transportation and storage
The following environmental conditions apply to transportation and storage:
Ambient temperature -15 °C to +40 °C/+5 °F to +104 °F
3.1 Transportation
CAUTION
Riskofaccidentsduetoinsufcientfastening.Properlyfastenthepowerwheelchairtothetransport
vehicle, e.g. with tensioning straps, to secure it against shifting.
NOTICE
Risk of damage due to falling. The maximum weight of the power wheelchair when empty is 68 kg/
150lbs.Onlyusehoistsandtransportmeansofsufcientcapacityfortransport.
Secure the power wheelchair to the means of transport, e.g. with tensioning straps. Use the
eyeboltsatthefrontandbackofthepowerwheelchairandthedenedanchorpointsinthe
transport vehicle.
Before transporting the power wheelchair, switch off the control unit and engage the brake.
You can reduce the size of the power wheelchair for transport by folding down the backrest and
removing the side panels and footrests.
Fig. 2 Eyebolts, front and rear

Transportation and storage
Skippi Ottobock | 15
3.2 Storage
INFORMATION
If the power wheelchair is not moved for several days, permanent colour changes may occur in the
regions where the wheelchair is in contact with the support surface. The manufacturer therefore
recommends parking the wheelchair on a suitable surface during extended periods of disuse.
The power wheelchair must be stored in an enclosed area. Remove the main fuse as otherwise
there is a risk of deep discharge.
Thestoragelocationmustbedryandhavesufcientaircirculation.Humiditymustnotbuild
up.Thepowerwheelchairmustnotbesubjectedtoanydamagingexteriorinuences,e.g.rain,
snow, or strong solar radiation during storage.
The manufacturer recommends storing the power wheelchair with slightly elevated tyre pressu-
re and using assembly stands or wooden blocks in order to raise the tyres (completely) off the
ground in order to protect them from ground frost. Regularly rotating the wheels helps to prevent
atspots.

Required tools and accessories
Skippi16 | Ottobock
4 Required tools and accessories
Suitabletoolsandaidsforthecompletionofservicetasksarelistedbelow:
UFlatscrewdrivers,bladewidths:2.5/3.5/5.5mm
UPhillipsheadscrewdriver,size:2
UReversibleratchethandlewrenchandsockets,sizes:8–20
URingoropen-endwrenches,sizes:8–24
UAllenwrenches,sizes:2–8
UTorque wrench (5–50 Nm)
UPuller
UPin punch, Ø 3 mm
UPlastic hammer
UMetal rod, Ø approx. 10 mm, length approx. 400 mm
UHand drill
U4 mm drill bit
UTyre iron
UTyre lever
UInner tube repair kit
USide-cutting pliers
UWater pump pliers, gripping width up to 32 mm
ULiquid thread lock, “medium strength”
UHandheld programming device
UHoistingdeviceofsufcientcapacity
UJack
Fig. 3 Tools

Information display
Skippi Ottobock | 17
Fig. 4 Handheld programming device
5 Information display
INFORMATION
For information on errors displayed please see sections 7 and 8.
Messagesareshownonthecontrolpaneldisplaymonitor:
Display symbol Information
Driving menu with speed level and battery ca-
pacity
Low battery capacity
Charging process with drive-away lock
Electric back adjustment
Electric seat tilt

Service Work
Skippi18 | Ottobock
Coupled electric seat adjustment
Backrest and seat tilt
Drive-away lock
Creep speed
Attendant control
6 Service Work
6.1 Checking the general condition
U Check all safety-related components for corrosion, repair if required and reapply corrosion
protection.
UCheck weld seams.
U
Check tightness of screw connections; replace thread-locking compound if required; observe
anydenedtorquespecications;replacedefectivescrews(e.g.incaseofcorrosion).
U
Check cables for ruptures, signs of wear and proper attachment; replace defective components.
UCheck cable connections and plug connections.
6.2 Control unit
Via the enAble 40 control, the Skippi can show causes of error messages on the display. Er-
rorsourcesinthedrivesectionandintheelectricoptionsareindicatedbyashingofthecor-
responding sections in the display's pictograph.
The handheld programming device can be used to change the parameters.
Control panel holder
There is only one control panel variant available for the Skippi power wheelchair for children.
Four screws fasten the control panel to a holding element with spring sheet metal. You need
an Allen wrench to loosen these screws. Now the control panel can be easily inserted in and
removed from the control panel holder.

Service Work
Skippi Ottobock | 19
Fig. 5 Standard holder and Swing-away in parallel
The control panel holders for the Skippi are attached to the armrest, beneath the armrest pad.
Tomountorreplaceacontrolpanelholder,rstremovethecontrolpanelanddeposititonthe
oor.Next,takethesidepaneloutofitsholdingdevice.Afterlooseningthethreesetscrews,
you can either change the position of the control panel holder or completely remove it.
The two control panel holders are attached in the same way to the side panel of the Skippi.
They are clamped to the underside of the armrest pad with an iron rail.
Attendant control
The attendant control for the Skippi can only be mounted in combination with the height-ad-
justable push handles.
Thecontrolisattachedtotheupperendofthepushhandle:cutaholeintheendoftherub-
ber hand grip and insert the holder for the attendant control into this hole.
Then tighten the screw connection on the holder using a size 5 Allen wrench.
Lead the cable of the control along the push handle downwards to the control box. Use cable
tiestoxthecableatcertainintervals.
Fig. 6 Attendant control on the push handle

Service Work
Skippi20 | Ottobock
6.3 Battery pack/fuse
CAUTION
Hazards due to explosive gases. Smokingandopenamesareprohibitedwhileworkingonthe
batteries. Sparks must be avoided.
Followthebatterymanufacturersafetyinstructions.Wearprotectivegoggles.Ensuresufcientventi-
lation when charging the batteries in an enclosed room.
Drive batteries can supply very large amounts of energy and may arc if they are short-circuited. The-
refore, always disconnect the batteries when working on the motor control or wiring.
NOTICE
Damage due to improper handling. In order to prevent short circuits, always use insulated tools
when working on the batteries.
Prevent deep discharge of the batteries in order to avoid loss of functionality and permanent battery
damage.
Ensure correct polarity when connecting the batteries and state of charge meter.
Battery
CAUTION
Risk of injury if the locking mechanism is not properly engaged. Check that the bolts are properly
engaged at both sides on the outside of the base support. The bolts must be clearly visible so that
the frame cannot unexpectedly disengage from the drive unit bracket.
The standard version of the Skippi is equipped with a 12V/28Ah (C5) AGM battery. The ad-
vantage of this battery is that it requires no servicing other than charging.
Make sure to have the contacts correctly snap in place when hanging in the battery packs.
The contacts are on the underside of the battery packs.
The battery packs of the Skippi can be removed easily. Undo the lock, hold the battery packs
by the handle and pull up to remove them.
Fig. 7 Releasing the lock and Removing the battery pack