Invacare Spectra Plus Technical Manual
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Invacare Spectra Plus Technical Manual

Invacare Spectra Plus Technical Manual

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  • Page 2: Table Of Contents

    Section Spectra Plus Tech Manual CONTENTS Introduction Recommended Service Procedure 3 – 8 Warranty Statement Specification Section 1 SERVICE MAINTENANCE Drive Wheel Removal Rear Wheel and Tyres Caster Wheel and Fork Caster Wheel and Fork – Dismantling Caster Wheel and Fork – Re-Assemble...

  • Page 3: Introduction

    Penny & Giles as per the recommended procedure. APPLICATION Invacare power chairs enable those who have an impaired mobility to lead a full and independent life. They are designed to give safe and reliable service when used under normal use (as instructed in the Owner’s Manual).

  • Page 4: Recommended Service Procedure

    Section Spectra Plus Tech Manual RECOMMENDED SERVICE PROCEDURE At 6 month period The following schedule should be used in conjunction with Service Programme Sheet. Upholstery Check seat fittings and screw fasteners on back, seat and armpad assemblies and for upholstery wear.
  • Page 5 Spectra Plus Tech Manual Section BATTERIES Battery Box Inspect battery box and lid, ensure lid is secure. Batteries: Check battery terminals are tight, clean and apply silicon grease or petroleum jelly. Junction Box if fitted (Powered actuators) Check mounting of junction box to battery box. Inspect wiring harness form junction box to actuator module.
  • Page 6 Section Spectra Plus Tech Manual Jackplug Inpect plug and lead for damage. Check entry into charger. Charging Function Connect the jackplug into the charging socket, plug the mains plug into the normally used mains socket. Switch mains supply on, and check that the ‘mains on light illuminate.

  • Page 7: Specification

    Spectra Plus Tech Manual Section Anti-Tip Levers Check fixings and operation. Make sure wheel is in position. Replace if missing or damaged. Armests Inspect all fittings and scews. Ensure arm locates into sockets smoothly. Check operation of locking devices. Ensure controller moves freely in slide tube.
  • Page 8 Section Spectra Plus Tech Manual Drive Shaft Revolve wheel assembly with drive disengaged and check for excessive endfloat and bearing wear. Wheel Runout Revolve wheels checking for excessive ‘tow in and excessive side movement of rims. Check for rim damage.
  • Page 9 Spectra Plus Tech Manual Section Invacare UK Limited Service Procedure Serivce Programme Dealer Name Uphlostery Address Back Seat Armpads Side Panels Safety/Calf Strap Customer Control Moudles (Mr/ Mrs / Miss On/Off Display Output Wiring Speed Control Joystick Mounting Warranty Seal Charger Socket Tel No.

  • Page 10: Drive Wheel Removal

    Section Spectra Plus Tech Manual DRIVE WHEEL REMOVAL To remove the rear drive wheel for puncture repairs carefully follow these instructions. Release the four bolts shown as A in the diagram. Check the tyres for wear and excessive, replacement is recommended.

  • Page 11: Rear Wheel And Tyres

    Spectra Plus Tech Manual Section REAR WHEEL AND TYRES PARTS: Tyre Inner Tube Wheel Centre Solid Tyre Wheel Screw Washer TOOLS REQURIED: Spanner 13mm Mallet Tyre Levers Pressure Gauge Pump Vice Talcum Powder Valve Remover Flat Bladed Screwdriver INSPECTION STEP 1 Check wheel is not buckled or physically damaged.

  • Page 12: Castor Wheel And Fork

    Section Spectra Plus Tech Manual CASTOR WHEEL AND FORK PARTS Castor fork Washer Nyloc Nut Axle Bolt Nyloc Nut Pneumatic Castor Bearing Trye Inner Tube Hub Centre Castor Wheel Fork Stem Bearings TOOLS REQUIRED 19mm Socket Spanner X 2 Flat Bladed screwdriver Mallet Pressure Gauge.
  • Page 13 Spectra Plus Tech Manual Section STEP 3 Leave out the top fork bearings carefully, using the fork stem as a lever. Take care not to damage the threads. STEP 4 Remove the castor fork bearings using a drift and a mallet, tapping gently to avoid damaging the castor socket and bearing.

  • Page 14: Detachable Motors

    Section Spectra Plus Tech Manual DETACHABLE MOTORS For practical purposes and ease of operation, it is advisable to detach the motors as the last component of the chair to be dismantled and to re-attach first. PLEASE NOTE: Assistance may be required while this operation is carried out.

  • Page 15: Motor Assembly

    Spectra Plus Tech Manual Section MOTOR ASSEMBLY PARTS: Electro-magnetic Brake Brush Motor Plug Motor Complete Commutator Motor End Cap TOORLS REQUIRED No 1 Philips Screwdriver Flat Headed Screwdriver Soldering Iron Multi Meter 3mm Allen Key INSPECTION STEP 1 Check motor assembly for damage.
  • Page 16 Section Spectra Plus Tech Manual Dismantling STEP 1 Remove the motor end via the two Phillips screws. STEP 2 Remove the two/three electro magnetic brake fixing screws and remove the brake. STEP 3 Remove the brush feeder wire termination screws, release the brush springs and remove brushes.

  • Page 17: Gearbox Assembly

    Spectra Plus Tech Manual Section GEARBOX ASSEMBLY PARTS Motor Gearbox Clamp Nut Gearbox Gasket Declutching Lever Lower Declutching Lever Upper Gearbox Lid Screw Motor Gearbox Clamp Screw Lid to Gearbox Screw Clamp TOOLS REQUIRED 5mm Allen Key Pin Hammer Punch...
  • Page 18 Section Spectra Plus Tech Manual To reassemble reverse steps 1 to 4 ensuring correct motor to gearbox alignment is achieved. Replace both gasket and re-pack the gearbox with ‘Shell Albida’ Grease (approx. 200g) NOTE: TO REFIT THE DECLUTCHING LEVER THE GEARBOX TOP MAY NEED TO BY REMOVED FROM THE CHAIR AND A VICE USED TO CLAMP THE UPPER AND LOWER LEVERS IN PLACE.

  • Page 19: Seat And Backrest Adjustment

    Spectra Plus Tech Manual Section SEAT AND BACKREST ADJUSTMENT Before, sitting in the chair, make sure it is NOT switched ON. If it is ON, the battery condition indicator (10 Bar display) will be illuminated.. Seat Depth Adjustment – 35 Mm Depth Adjustmen The individual fitting of the seating allows the seat depth to be adjusted by 25mm (1½”) The adjustment, which...
  • Page 20 Section Spectra Plus Tech Manual SEAT DEAPTH/BACK ANGLE ADJUSTMENT SEAT DEPATH ADJUSTMENT (can be adjusted by 35 mm). Tools required: 2 x 10mm spanners unscrew and remove bolts and nuts (a) from the backrest mounting bracket Move the backrest back to the extended position. Replace the bolts and nuts into the mounting bracket and sideframe and tighten securely.

  • Page 21: Armrest Support Assembly

    Spectra Plus Tech Manual Section ARMREST SUPPORT ASSEMBLY Armrest Support Assembly Replacement I. Remove armrest from chair. II. Remove panel mounting bracket (1b, 2, or 3) by releasing M.8 grub screw (c). III. End plug ( d & e ) may be prised from the tube using a thin blade etc.

  • Page 22: Tension Adjustable Backrest / Manual Tilt-In-Space

    Section Spectra Plus Tech Manual TENSION ADJUSTEABLE BACKREST The backrest upholstery tension can be adjusted to achieve the desired comfort for individual user requirements. To achieve this, lift the backrest upholstery cover by peeling the Velcro fastening and fold clear.

  • Page 23: Backrest Support Assembly

    Spectra Plus Tech Manual Section BACKREST SUPPORT ASSEMBLY Single And Combined Backrest Support (Standard, Swan-Neck And All Variations) The backrest support can be folded down or detached for improved portability. (Refer to the User Manual for this procedure). Replacement Replacement backrest assemblies are supplied complete with handgrips and locating components, if the hand grips require, cut through with a sharp blade and peel off.

  • Page 24: Care And Maintenance Vinyl Upholstery

    Section Spectra Plus Tech Manual VINYL UPHOLSTERY Care And Maintenance Of Vinyl Upholstery. This is the approved recommended care supplied by the material manufacturers. To maintain the appearance of PVC coated fabrics, they should be cleaned regularly to remove fatty substances in soiling which may reduce their serviceable life.

  • Page 25: Lateral Support

    Spectra Plus Tech Manual Section LATERAL SUPPORT Fitting Instructions THE LATERAL SUPPORTS CAN ONLY BE FITTED TO THE FIRM UPHOLSTERED BACKREST ASSEMBLY (VISCOUNT SEATING). To attach the lateral supports to the back of the backrest assembly follow these instructions. Remove the existing pan-head screws from the top of each flange shown in Fig 1 Marked (A). The lower screws of each flange remain in place.

  • Page 26: Footrests

    Section Spectra Plus Tech Manual FOOTRESTS REMOVEL : Standard Release winged screw A and slide the complete assembly from the seat frame. Ensure the winged screw is fully tightend when the footrest assembly is replaced. REMOVAL: Swing – Away Release the locking lever, swing footrest to the side, or lift up and off. Do this before sitting in the chair.
  • Page 27 Spectra Plus Tech Manual Section Footplate Bumper rubber screw Extension tube Extension adjustment screw Tube end plug TOOLS REQUIRED No1 Philips Screwdriver Spanner 13mm Flat bladed screwdriver Mallet INSPECTION STEP 1 Check that the footplate fits securely and operates correctly.

  • Page 28: Operating The Chair Outdoors - Kerb Climbing

    Section Spectra Plus Tech Manual STEP 11 Pull one of the wheel center and push the tyre to remove it completely, once the tyre and centre are separated remove from vice. OPERATING THE CHAIR OUTDOORS – KERB CLIMBING Always remember to use the safety belt when operating the chair outdoors. Ensure the footrests are locked in position.
  • Page 29 Spectra Plus Tech Manual Section DIS-ASSEMBLING THE CHAIR FOR TRANSPORATION To enable the chair be carried in the boot of most cars, follow these instruction:- Step 1: Disconnect the Motor/battery connector from the control box and remove the armrests. Release the locking lever as shown.

  • Page 30: Tray Assembly

    Section Spectra Plus Tech Manual • The power chairs are not designed or manufactured to be replacements for purpose built vehicle seating. • The occupant must be secured to the vehicle separately in addition to any wheelchair restraints. See Fig. No.2.
  • Page 31 Spectra Plus Tech Manual Section Ensure the tray is firmly positioned level and central to the occupant’s requirements. OPERATION – REMOVAL (Switch OFF the Controller) The tray can be placed to the side or removed completely to allow the occupant to get in and out of the chair safely.
  • Page 32 Section Spectra Plus Tech Manual PILOT+DIGITAL POWERCHAIR CONTROL SYSTEM 1. 0 Introduction. The relevant content of this chapter should be included in the wheelchair operating guide. Futher copies are available from Penny & Giles in both written or disk (Word for Window) format. Copies should not be made without the express permission of Penny &...
  • Page 33 Spectra Plus Tech Manual Section Never use abrasive or spirit based cleaners. 3.0.Controls The Pilot+ system has tow versions of Joystick Module-with and without lighting control-refer to page 1:4 see which type your have fitted to your wheel chair. Most of the controls are common to both modules, however, the lighting, turn indicator and hazard warning controls are only included on the joystick module with lighting control.
  • Page 34 Section Spectra Plus Tech Manual Joystick Module without Lighting Joystick Module with Lighting Controls ON/OFF SWITCH LIGHTS SWITCH AND LED BATTERY GAUGE LEFT TURN INDICATOR SWITCH AND LED MAXIMUM SPEED INDICATOR RIGHT TURN INDICATOR SWITCH AND LED MODE SWITCH HAZARD WARNING SWITCH AND LED...
  • Page 35 Spectra Plus Tech Manual Section If the mode switch is operated when the joystick is centered, the control system operation mode will be changed. There are three modes drive, speed adjustment and actuator adjustment. The diagram below explains this action.
  • Page 36 Section Spectra Plus Tech Manual 3.10 Hazard Warning Switch and LED To turn on the wheelchair’s hazard warning lamps operate this switch, the associated LED will flash at the same rate. The left and right turn indicator LEDs will also flash.
  • Page 37 Spectra Plus Tech Manual Section WARNING: Although the Pilot+ control system is designed to be extremely reliable and each unit is rigorously tested during manufacture, the possibility of a system malfunction always exists (however small the probability). Under some conditions of system malfunction the control system must (fro safety reasons) step the chair instantaneously.
  • Page 38 Section Spectra Plus Tech Manual Please note that a number of supposedly faulty control systems returned to us are subsequently found to operate correctly. This indicate that many faults are due to the wheelchair problems rather than the control system.
  • Page 39 Spectra Plus Tech Manual Section 5 bars: The right hand motor has a short circuit to a battery connection. Contact your service agent. 6 bars: The battery charger is preventing the control system from driving the wheelchair. Disconnect the charger from the wheelchair.
  • Page 40 Section Spectra Plus Tech Manual If the battery gauge shows just red, either steady or flashing slowly, then you should charge the batteries immediately. 10.0 Battery Charging To charge the wheelchair batteries connect the charger plug into the battery-charging socket on the joystick module.
  • Page 41 Spectra Plus Tech Manual Section control system can be readily programmed to be safe under normal driving conditions and also feel secure and comfortable to the user. The Programmable control system achieves this great flexibility by referring to a set of internal parameters which govern factors such as the wheelchair’s speed, acceleration and braking.
  • Page 42 Section Spectra Plus Tech Manual 2.3. PP1 Specifications FUNCTIONS NOTES PP1a Acceleration Vary from 0 (or factory set Unit Steps Unit Steps min) to 100 (or factory set max) Deceleration Vary from 0 (or factory set Unit Steps Unit Steps...
  • Page 43 Spectra Plus Tech Manual Section Park Brake Trip For Chairs without brakes YES/NO Front Drive Select algoritham for front YES/NO wheel drive Fast Brake Rate Slam braking by pulling 1 % Steps joystick in reverse (0 to 100%) Soft Stop...
  • Page 44 Section Spectra Plus Tech Manual To program, you can connect the PP1 to the Pilot+, via the charging socket on the Joystick Module, if the system is either on or off. You can also driver with the PP1 connected. Please note, for safety reasons, accessing some critical parameters will cause the control system to trip.
  • Page 45 Spectra Plus Tech Manual Section Some Power modules may be factory programmed to limit the value of this parameter. If you want to set the value to be higher than this limit contact Penny & Giles. 4.5. Forward Speed? Adjusts the minimum and maximum values for forward speed of the wheelchair from 0 to 100% in steps of 1% A higher value gives a faster speed.
  • Page 46 Section Spectra Plus Tech Manual when the ENTER key is pressed the current setting for joystick throw in the forward direction will be displayed. Operation of the UP or Down keys will change this setting operation of the ENTER key will store the setting.
  • Page 47 Spectra Plus Tech Manual Section This sets the maximum and minimum current output for the control system. The current output is dependent on the internal temperature of the Power Module. Graph A (below) shows the relationship. Pilot+ Power Modules are available in two power ratings – 50A and 80A. The table below shows the recommended maximum to minimum relationships.
  • Page 48 Section Spectra Plus Tech Manual Motor manufacturers should be able to supply figures for armature resistance, and typical cable and connectors would be about 40m . 5.6. Battery Menu? 5.6..1 Battery Cable? This sets the value of cable and connector resistance between the control system and the batteries. The value corresponds to the total resistance in both the positive and negative paths.
  • Page 49 Spectra Plus Tech Manual Section There are two options associated with this function. Polarity and latching. Active low- This is the polarity of the input. It can be set to yes or no. The table below shows the effect of the input on wheelchair for the two settings.
  • Page 50 Section Spectra Plus Tech Manual Some power Modules may be factory programmed to limit the value of this parameter. If you want to set the value outside these limit, Contact Penny & Giles. 5.16 Min Decel’n %? Adjusts the minimum value for forward and reverse deceleration (or braking) of the wheelchair. It is programmed in increments of 1% of the Deceleration value.
  • Page 51 Spectra Plus Tech Manual Section CA 92806-5933, USA Tel. (01415) 271444 Tel (714) 712 7911 Fax: (o1415) 272655 Fax: (714) 978 9512 Penny + Giles Drivers Technology Pilot+Chin Module User information Sheet PILOT+CHIN MODULE Refer to the wheelchair manufacturer’s documentation for detailed operating and service instructions.
  • Page 52 Section Spectra Plus Tech Manual Maximum Speed Indicator This is a gauge which shows the maximum speed setting for the wheelchair. There are five speed settings. Step 1 is the lowest speed and step 5 is the highest speed. For details of how to change the maximum speed setting, see Mode Switch section.
  • Page 53 Spectra Plus Tech Manual Section Now fully deflect the joystick to the desired left position and operate the Mode switch. The battery indicator now flash 9 bars and the maximum speed indicator should show 1 light To drive unit should switched off and on again.
  • Page 54 Section Spectra Plus Tech Manual Joystick This controls the speed and direction of the wheelchair, push the joystick in the direction you wish to go. The further you push it, the faster the speed. Releasing the joystick stops the wheelchair and automatically applies the brakes.
  • Page 55 Spectra Plus Tech Manual Section In the even of the wheelchair moving in an unexpected way release the joystick. This action will stop the wheel chair under any circumstances. although the Pilot+ control system is designed and manufactured to be extremely reliable...
  • Page 56 Section Spectra Plus Tech Manual Check to conform selected option is suitable for user’s requirements. WARNING: Programming should be only carried out by trained engineering/healthcare professional with in-depth knowledge of power chair electric controllers. Incorrect programming could result in an unsafe set up for a wheel chair user.
  • Page 57 Spectra Plus Tech Manual Section The joystick controls the speed and direction of the wheelchair. The further you push the joystick from the rest position the faster the wheelchair will move. When you release the joystick the brakes are applied automatically.
  • Page 58 Section Spectra Plus Tech Manual Do not drive the wheelchair: a) beyond the restrictions indicated in the wheelchair user manual, for example maximum inclines, kerb height etc. b) in places or on surfaces where a loss of wheel grip could be hazardous, for example on wet grassy slopes.
  • Page 59 Spectra Plus Tech Manual Section Please note that a number of supposedly faulty controllers returned for repair are subsequently found to operate correctly. This indicates that many faults are due to the wheelchair problems rather than the controller. 8.1 Battery Gauge Steady This indicates that all is well.

  • Page 60: Operation

    Section Spectra Plus Tech Manual 8.5. Slow or sluggish movement If the wheelchair does not travel at full speed or does not respond quickly enough, and the battery conditions good, check the position of the speed control. If adjusting the speed control does not the problem then there may be a non-hazardous fault.
  • Page 61 Spectra Plus Tech Manual Section All repairs and servicing be carried out by authorized service personnel. Opening or making any unauthorised adjustments or modifications to the controller or its components will invalidate any warranty and may result in hazards to the user or other people, and is strictly forbidden.
  • Page 62 Section Spectra Plus Tech Manual The Engineering version (PP1b) offers all of the PP1a features but also includes a suite of advanced functions for designers, such as matching the controller to the motor impedance, setting maximum drive current, and enabling front or rear wheel drive algorithms, clearly, the PP1b is a very powerful tool for prototype design work.
  • Page 63 Spectra Plus Tech Manual Section Resetting these parameters to non-compatible values could damage controllers and motors, and invalidate any warranties. Current limited should never be set to a value greater than the recommended controller maximum and Brake Trip should only be disabled on those chairs without brakes.
  • Page 64 Section Spectra Plus Tech Manual 4.1. Acceleration? Adjusts the value for forward and reverse acceleration of the wheelchair in increments of !%. This value occurs when the controller’s speed control potentiometer is fully clockwise. Its value at other settings of the speed control depends on the setting of the Min.
  • Page 65 Spectra Plus Tech Manual Section This factor compensates for any mismatching of motors to ensure that the wheelchair drives directly forward when the controller’s joystick is being pushed directly forward. 5.2. Soft Reverse? This sets the reverse braking rate. Reverse braking is normally 70% of forward braking ot prevent the chair’s tendency to topple when stopping in reverse on a gradient.
  • Page 66 Section Spectra Plus Tech Manual This matches the controller to different motor types in order to achieve optimal performance and control. Penny & Giles recommended that you set this value to not more than 70% of the resistance of the motor armature and all cables and connectors to it.
  • Page 67 Spectra Plus Tech Manual Section Min.Turn Accel’n is set at 100% then turn acceleration will not vary as the speed control’s setting is changed. 5.13. Min. Turn Decel’n? Adjusts the minimum value for turn deceleration of the wheelchair. It is programmed in increments of 1% of the Turn Decel’n value.
  • Page 68 Section Spectra Plus Tech Manual CONTROLLER WITH INTEGRAL JOYSTICK REMOTE (DL, 40) Tools PARTS No.1 Philips Screw Driver Bumper/Guard Support Bracket No.2 Philips Screw Driver DL40 Controller Harness Joystick Knob Speed Control Fixing Screw METHOD OF REMOVAL STEP 1 Disconnect motor and battery feed wires, Unfasten cable ties from chassis.
  • Page 69 Spectra Plus Tech Manual Section -Protected against external faults such as reverse battery connection. Overloaded motors or park brakes and external short circuits. -Joystick out of neutral at power up detection with drive inhibit. -Over voltage shut down -Detection of open circuit motors -Detection of open or short circuit park brake outputs.
  • Page 70 Section Spectra Plus Tech Manual 1) Low Battery voltage fault Flash code sequence 2) High battery voltage fault 3) Left motor (or connection) fault. 4) Right motor (or connection) fault 5) Left or right park brake (or connection) fault 6) Controller fault 7) Motor stalled or joystick out of neutral time out In the event of system fault, the diagnostic are displayed by the battery gauge flashing.
  • Page 71 Spectra Plus Tech Manual Section less than 1 Meg Ohms the motor is probably faulty. (if the motor seems OK and not others when rotated then the motors brushes may be touching the housing as the commutator is rotated) 5. Disconnect both motors (and park brakes).
  • Page 72 Section Spectra Plus Tech Manual steering in erratic pull the wheelchair to ensure both left and right wheel do not free wheel. 9. The wheelchair turns in circle or does not 1.Check motors and gearboxes are OK drive straight releasing...
  • Page 73 Spectra Plus Tech Manual Section BATTERY BOX ASSEMBLY – REAT BATTERIES – LID REPLACEMENT It is advisable to obtain the battery box lid assembly factory wired for safety and reliability. The following instructions apply if this is not practical. It is of the utmost importance to pay attention to ensuring all connections are tightened correctly.
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