Invacare® Pegasus SERVICE MANUAL These instructions contain information about: testing work repair work Edition:11.04.08 NB: Limited models available in Australia and New Zealand...
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1 Lenton Place (PO Box 5002) Fax: sales@invacare.com.au North Rocks NSW 2151 www.invacare.com.au WWW: Australia +64 - 0508 468 222 Invacare New Zealand 4 Westfield Place (PO Box 62-124) +64 - 0508 807 788 Fax: Mt Wellington Auckland WWW: www.invacare.co.nz New Zealand...
Table of Contents Chapter Page INTRODUCTION General information Notes on transport Important symbols in this manual SAFETY AND ASSEMBLY INSTRUCTIONS Before any inspection or repair work General safety information and notes on assembly / disassembly TIGHTENING TORQUES SERVICE PLAN (1X ANNUALLY) OPERATIONAL FAULTS Operational faults 5.1.1...
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6.10 Replacing operating console 6.11 Replacing bend speed reducer. 6.12 Replacing the potentiometer 6.13 Replacing front headlight (lamp) 6.14 Replacing the front direction indicators 6.15 Replacing centre brake light 6.16 Replacing rear lights/direction indicators 6.17 Replacing the electronics module 6.18 Updating software...
• Alterations to the electric vehicle which occur as a result of incorrectly or improperly executed maintenance or overhaul work lead to the exclusion of all liability on the part of INVACARE. • If you have any problems or questions please contact INVACARE SERVICE.
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NOTE: This symbol identifies general information which is intended to simplify working with your product and which refers to special functions. Requirements: • This symbol identifies a list of various tools, components and items which you will need in order to carry out certain work.
Safety and assembly instructions These safety instructions are intended to prevent accidents during work and it is imperative that they are observed. Before any inspection or repair work • Read and observe this repair manual and the associated operating manual! •...
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• Invacare® supplies all electric vehicles from the factory with a standard drive programme. Invacare® can only assume a warranty for the safe vehicle handling of the electric vehicle – in particular tipping stability - for this standard drive programme!
Tightening torques The tightening torques stated in the following table are dependent on the thread diameters for the nuts and bolts for which no special values are determined. All values apply to dry and grease-free threads. Thread 3 Nm Tightening torque 6 Nm 10 Nm 25 Nm...
Service plan (1x annually) Component Check Remedy Notes • Welded seams, • Tighten screws, Seat: fixings and replace parts if upholstery damaged • Check fixings, • Tighten screws, Frames welded seams and replace parts if (chassis) / battery mounting damaged battery •...
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Component Check Remedy Notes • Check drive • Update software Drive program electronics program version Newer version available? • Check cable and • Adjust or replace Speed connecting plug sensor on reduction in • Check function microswitch. bends...
Operational Faults Operational faults Please proceed as follows if you have any problems: • First assess the possible cause of the problem using the following table. • Check the drive console status display. Evaluate the blink error code. • Carry out the necessary checks and repairs as recommended in the following table. 5.1.1 Drive fault diagnosis PROBLEM...
PROBLEM OTHER POSSIBLE SOLUTION Documentation SYMPTOMS CAUSE • Replace Scooter None Drive motor(s) See "Replacing the motor(s) judders in possibly defective drive motor" on page 17 drive mode • Replacing the Drive lever See "Replacing the potentiometer potentiometer potentiometer" on page possibly defective Batteries •...
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• There is a defect in the braking coil or in the cabling. Check the magnetic brake and cabling for open or short-circuited circuitry. Contact your Invacare® dealer. No neutral position Stops driving • Drive lever is not in neutral when the when switching keyswitch was turned.
Repair Work General warning information on installation work CAUTION: Risk of damage to the vehicle! Collisions can be caused if shim rings are removed from the drive wheels during installation work! • Shim rings are frequently placed between the drive shaft and the wheel hub to compensate tolerances.
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• From the operating manual: • Unscrew the rear wheel fixing bolts. • Remove rear wheels. • Disconnect plugs (1, 2, 3) from electronic module. • Disconnect brake light plug (4). • Disconnect motor brake plug (5). • Remove both screws (2) from the wheel cover (1).
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• Remove screws (1) on disengaging lever (2). • Remove disengaging lever (2). • • Lifted drive out of its holder and take it out of the frames to the side. • Replace drive unit. • Reassembly of the drive takes place in reverse order •...
Replacing wheel suspension CAUTION! Accident hazard. • Secure the scooter against rolling away. NOTE: When disassembling, note the position of small parts such as screws and washers. Put small parts down so that they can be reassembled in the right sequence. Requirements: •...
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• Reassembly takes place in the reverse order. • Adjust tracking (see chapter entitled "Replacing steering linkage/steering rod " on page 31). • Check function (trial run).
Replacing shock absorber CAUTION! If the scooter is supported by the support wheels, it will no longer be braked by the motor brake. The scooter can roll away out of control. • Place the scooter rear frame on a piece of supporting wood once you have removed the wheels.
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• Reassembly of the shock absorber takes place in reverse order. • Check function (trial run).
Replacing front axle CAUTION! Accident hazard. • Secure the scooter against rolling away. NOTE: When disassembling, note the position of small parts such as screws and washers. Put small parts down so that they can be reassembled in the right sequence. NOTE: The front axle can only be replaced on the 3-wheel version.
Replacing steering column/fork 3-wheel CAUTION! Accident hazard. • Secure the scooter against rolling away. NOTE: When disassembling, note the position of small parts such as screws and washers. Put small parts down so that they can be reassembled in the right sequence. Requirements: •...
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• Remove screws (1) on rear steering column cladding. • Remove steering column cladding. • Loosen screws on front basket holder. • Remove basket holder. • Remove spacer bushes. • Disconnect cable (1, 2) from wiring harness. • Remove screws (3) on front steering column cladding.
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• Release brake cable (see chapter entitled "Replacing brakes" on page 28) • Unscrew screw at clamp (1). • Unscrew fixing bolt for steering column and remove. • Pull steering column out upwards. • Replacing fork 3-wheel: • Remove rubber mat in foot well. •...
Replacing brakes CAUTION! Accident hazard. • Secure the scooter against rolling away. NOTE: When disassembling, note the position of small parts such as screws and washers. Put small parts down so that they can be reassembled in the right sequence. NOTE: The front axle can only be replaced on the 3-wheel version.
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• Pull brake out of brake drum. • Replace brake lining or complete brake. • Reassemble wheel and brake. • Push wheel and brake onto shaft, or push axle through. • Operate brake and hold, tighten axle bolts at same time. •...
Replacing brake cable CAUTION! Accident hazard. • Secure the scooter against rolling away. NOTE: When disassembling, note the position of small parts such as screws and washers. Put small parts down so that they can be reassembled in the right sequence. NOTE: You do NOT need to remove the wheel to replace the brake cable.
Replacing steering linkage/steering rod CAUTION! Accident hazard. • Secure the scooter against rolling away. NOTE: When disassembling, note the position of small parts such as screws and washers. Put small parts down so that they can be reassembled in the right sequence. Requirements: •...
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• Replacing steering link: • Remove circlip (1) on steering link (2). • Replace steering link. • Adjust length of steering link using setting screws (3). • Replacing steering rod: • Remove circlip (4) on steering rod (5). • Replace steering rod. •...
6.10 Replacing operating console CAUTION! Burn and scald hazard if power cable is short-circuited! • Interrupt the power supply by removing the battery plugs before you start work on the electronic system. NOTE: The plugs on the operating console cannot be wrongly connected because all plugs have a different size and only fit in one socket.
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• Reassembly of the operating console takes place in reverse order • Check all functions (trial run). •...
6.11 Replacing bend speed reducer. CAUTION! Accident hazard. • Secure the scooter against rolling away. NOTE: When disassembling, note the position of small parts such as screws and washers. Put small parts down so that they can be reassembled in the right sequence. Requirements: •...
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• Adjusting: • Set steering to straight ahead. • Align sensor straight using regulating unit. • Take hold of the sensor and tighten the fork screw. • Check: • Turn the steering completely to the right and then the left. •...
6.12 Replacing the potentiometer CAUTION! Burn and scald hazard if power cable is short-circuited! • Interrupt the power supply by removing the battery plugs before you start work on the electronic system. CAUTION! Risk of accidents! • The new potentiometer must be set to the middle position before inserting. Potentiometers which are not in the middle position can result in dangerous driving situations! Requirements: •...
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• Remove screws (1) on potentiometer. • Replace potentiometer • Reconnect potentiometer plug (1) with operating console. • Setting the potentiometer to the middle position: • Loosen the bolts (1) on the drive lever mounting. • Twist the potentiometer shaft (2) until the same resistance (approx.
6.13 Replacing front headlight (lamp) Requirements: • Phillips screwdriver • Remove the seat. • Remove motor cover. • Separate battery cable. • 3-wheel version • Remove screw (1) on front headlight under front cladding. • 4-wheel version • Remove screw (1) on front headlight under front cladding.
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• Reassembly of the headlight takes place in reverse order. • Check function...
6.14 Replacing the front direction indicators Requirements: • Phillips screwdriver. • Remove the seat. • Remove motor cover. • Separate battery cable. • 3-wheel version • Remove direction indicator screw (1). • Disconnect direction indicator cable (2) from wiring harness. Plug is located behind rear steering column cladding (see chapter entitled "Replacing steering column").
6.15 Replacing centre brake light CAUTION! Danger of electric shock. • Interrupt the power supply by removing the battery plugs before you start work on electric components. NOTE: When disassembling, note the position of small parts such as screws and washers. Put small parts down so that they can be reassembled in the right sequence.
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• Remove the bolt (1) on the rear panelling. • Lift the rear panelling upwards. • Remove screws (1) on brake light. • Replace brake light. • Reassembly of the brake light takes place in reverse order. • Check functions (trial run).
6.16 Replacing rear lights/direction indicators CAUTION! Danger of electric shock. • Interrupt the power supply by removing the battery plugs before you start work on electric components. NOTE: When disassembling, note the position of small parts such as screws and washers. Put small parts down so that they can be reassembled in the right sequence.
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• Remove rear light. • Remove screws (1) on rear light glass. • Remove rear light glass (1). • Replace lightbulb (2). • Reassembly of the rear light/direction indicator takes place in reverse order. • Check function...
CAUTION: Any modifications made to the drive program can affect the drive behaviour and tipping stability! • Changes to the drive program may only be carried out by trained Invacare® specialist dealers! • Invacare can only provide a guarantee for safe driving - especially tipping stability - for unmodified standard drive programs.
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• Secure the scooter against rolling away. • Place supporting wooden block under the frames at battery holder height. • Remove the seat. • Remove motor cover. • Disconnect both battery plugs (1). • From the operating manual: • Unscrew the rear wheel fixing bolts. •...
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• Reassembly of the drive and the electronics module takes place in reverse order. • Load drive program onto electronics module. See electronics software description. • Check all functions (trial run).
CAUTION: Any modifications made to the drive program can affect the drive behaviour and tipping stability! • Changes to the drive program may only be carried out by trained Invacare® specialist dealers! • Invacare can only provide a guarantee for safe driving - especially tipping stability - for unmodified standard drive programs.
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Size of batteries?