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Summary of Contents for Invacare Comet Series
- Page 1 Invacare® Comet Series Alpine+ ULTRA Comet , Comet , Comet Scooter Service Manual ...
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Page 2: Table Of Contents
All rights reserved. Republication, duplication or modification in whole or in part is prohibited without prior written permission from Invacare. Trademarks are identified by ™ and ®. All trademarks are owned by or licensed to Invacare International GmbH or its subsidiaries unless otherwise noted. -
Page 3: 1 General
1 General Alterations to the scooter which occur as a result of incorrectly 1 General or improperly executed maintenance or overhaul work lead to the exclusion of all liability on the side of Invacare. 1.1 Introduction If you have any problems or questions contact your provider. This document contains important information about assembly, 1.3 Notes on Shipping adjustment and advanced maintenance of the product. To ensure safety when handling the product, read this document If the scooter h as to be shipped back to the manufacturer and the user manual carefully and follow the safety for major repairs, you should always use the original instructions. packaging for transport. Find the user manual on Invacare’s website or contact your Please attach a precise description of the fault. Invacare representative. See addresses at the end of this 1.4 Symbols in This Manual document. Invacare reserves the right to alter product specifications Symbols and signal words are used in this document and apply without further notice. to hazards or unsafe practices which could result in personal injury or property damage. This document is printed in Before reading this document, make sure you have the latest greyscale. For your information, the s afety messages have the version. You find the latest version as a PDF on the Invacare following colour coding according to ANSI Z535.6: D anger (Red), ... -
Page 4: 2 Safety
Removal hazardous situations to you and others. — The procedures in this service manual, m ust be DANGER! performed by a specialised provider or qualified Risk of Death, Serious Injury, or Damage service technician. Lighted cigarettes dropped onto an upholstered — Invacare expects that t he qualified technician is seating system can cause a fire resulting in death, familiar with the product, with good technical serious injury, or damage. scooter occupants are at knowledge to understand and follow t he steps particular risk of death or serious injury from these of the described instructions in this manual, and fires and resulting fumes because they may not have equipped with proper tools. - Page 5 Invacare® Comet Series CAUTION! Injury hazard and risk of damage to scooter due to improper or incomplete maintenance work — Use only undamaged tools in good condition. — Some moving parts are mounted in sockets with PTFE coating (Teflon™). Never grease these sockets! — Never use "normal" nuts instead of self-locking nuts. — Always use correctly-dimensioned washers and spacers. — When reassembling, always replace any cable ties which were cut during dismantling. — After completing your work / before renewed start-up of the scooter, check all connections for tight fitting. — After completing your work / before renewed start-up of the scooter, check all parts for ...
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Page 6: 3 Hygiene
Take precautions for yourself and the product. Use protection equipment as specified locally. Before Transport (According to Biological Agents Ordinance) Treat product according to following process steps: Process Step Component Application Conditioning Work Station technique Manual cleaning Surface of used device Before repair or Use saturated towel to Cleaning and reconditioning apply cleaning disinfection detergent and remove residues after impact. Disinfection Surface of used device Before repair or Use saturated Cleaning and reconditioning disinfectant wipes and disinfection clean* the device surface. *The detergent "Nüscosept Spezial" has been tested on product surfaces. Disinfection Tools Disposable wipes (fleece) Brushes to clean areas difficult to access Further Information For more information contact your Invacare service department. 1603798-G... -
Page 7: 4 Setup
4 Setup 4 Setup Reduced driving range. Battery capacity: Recharge the batteries at the end of <25 % your journey. 4.1 Operating Console (LED Version) Battery reserve = s everely restricted Battery capacity: Arrangement driving range. <20 % Recharge batteries immediately! E F G LMNOPQR Battery Capacity >80 % A Status display <80 % Switching on/off curve control (reduction of speed when driving in a curve) <65 % C Hazard lights <50 % D Horn <35 % ... -
Page 8: Setting Battery Gauge
Invacare® Comet Series 4.1.2 Setting Battery Gauge 4.2 Operating Console (LCD Version) This chapter applies to scooter with LED display. Arrangement Setting battery gauge is mandatory when retrofitting operating console. Adjust the parameter in battery gauge to suit different types and sizes of batteries. E F G A Status display Switching on/off curve control (reduction of speed when driving in a curve) C Hazard lights D Horn AGM Battery Left-hand direction indicator (switches itself off automatically after 30 seconds) small size batteries (≤ 50 Ah, default) F Speed control dial big size batteries (> 50 Ah) Right-hand direction indicator (switches itself off Gel Battery automatically after 30 seconds) small size batteries (≤ 50 Ah) H Lighting I Low speed mode big size batteries (> 50 Ah) J Setting 1. ... -
Page 9: Entering Setup (Lcd Display)
4 Setup Battery Indication Gauge 4.2.1 Entering Setup (LCD Display) Low battery indication: Every time the scooter is activated or at work when battery capacity is lower This chapter applies to scooters with LCD display. than 25%, the electronic system will beep three times. 1. Turn key to switch scooter off. Overdischarge protection: after a certain drive time on reserve battery power the electronic system switches 2. the drive off automatically and brings the scooter to a standstill. If you do not drive your scooter for a while the batteries will "recuperate" and allow a further, but short, journey. However, after a very brief journey the battery reserve symbol will illuminate again and the electronic system will beep three times. This Press buttons simultaneously and hold. procedure leads to battery damage and should be avoided if possible! 3. Turn key to switch scooter on. Scooter enters setup mode after two seconds. Reduced driving range.Recharge the batteries at the end of your Battery capacity: journey.An overlay reminds of <25% charging, when switching off the scooter. Battery reserve = s everely restricted Battery capacity: driving range.Recharge batteries <20% immediately! Enter next display with button. -
Page 10: Setting Counter
Invacare® Comet Series 4.2.2 Setting Counter 4.2.3 Setting Battery Gauge This chapter applies to scooters with LCD display. This chapter applies to scooters with LCD display. 1. Enter setup settings as described in 4.2.1 Entering Setup Setting battery gauge is mandatory when retrofitting (LCD Display), page 9. operating console. Adjust the parameter in battery gauge to suit different types and sizes of batteries. Default setting is 0. You can set a km value as service interval. If counter value is greater than set value, symbol will AGM Battery flash for one minute, when scooter is switched on. small size batteries (≤ 50 Ah, default) 0 (OFF)+ 500 + 1000 +1500 + 2000 .. + 9500 + 9999 (max) big size batteries (> 50 Ah) 9999 – 9500 – 9000 – 8500 – 8000 .. – Gel Battery 500 – 0 (OFF) small size batteries (≤ 50 Ah) 2. big size b atteries (> 50 Ah) ... -
Page 11: Setting Wheel Diameter
4 Setup 4.2.4 Setting Wheel Diameter This chapter applies to scooters with LCD display. Setting wheel diameter is mandatory when retrofitting operating console. Set value according to wheel diameter 11”, 12”, 13”, 14” or 15” for correct display of speed. 1. Press button to increase value. 2. Press button to decrease value. 3. Press button to save and leave setup settings. 1603798-G... -
Page 12: 5 Servicing
5 Servicing 5 Servicing 5.1 General Safety Information on Installation Work NOTICE! Collisions can be caused if shim rings are removed from the drive wheels during installation work. Shim rings are frequently placed between drive shaft and wheel hub to compensate tolerances. Collisions can be caused if these shim rings are removed and not re-installed. — Install all shim rings in exactly the same positions they were in before dismantling. 5.2 Tightening Torques CAUTION! Risk of damage to scooter due to improperly tightened screws, nuts or plastic connections. — Always tighten screws, nuts etc. to the stated tightening torque. — Only tighten screws or nuts which are not listed here fingertight. The tightening torques stated in the following list are based on the thread diameter for the nuts and bolts for which no specific values have been determined. All values assume dry and de-greased threads. Thread Tightening Torque in Nm ±10 % 3 Nm 6 Nm 10 Nm 25 Nm 49 Nm 80 Nm 120 Nm 180 Nm 5.3 Troubleshooting 5.3.1 Operational Faults Proceed as follows if you have any problems: 1. First assess the possible cause of the problem using the following table. 2. Check operating console status display. Evaluate flash code. 3. Carry out necessary checks and repairs as recommended in the following table. 1603798-G... -
Page 13: Drive Fault Diagnosis
Invacare® Comet Series 5.3.2 Drive Fault Diagnosis Problem Other Symptoms Possible Cause Solution Documentation Batteries defective Replace batteries See user manual Completely Pre-charge batteries discharged battery Power supply to See user manual for main operating console Check main fuse Status display on fuse position interrupted operating console Check cable between does not illuminate Scooter will not See 10.2.3 Replacing Power modules for loose start Module, page 48 connections or damage Operating console defective See 10.2.1 Replacing Replace operating ... -
Page 14: Error Codes And Diagnostic Codes
The electronic system charges the batteries when running downhill Battery voltage too Stops driving and when braking. This fault is caused when the battery voltage high becomes too high during this process. Switch the scooter off and on again. The maximum current was exceeded over too long a period, probably because the motor was overloaded or has been working against an immovable resistance. Switch the scooter off, wait a few Power time Stops driving minutes and then switch on again. exceeded The electronic system has determined a motor short-circuit. Check the wiring harness for short-circuit and check the motor. Contact your Invacare provider. Ensure that the disengaging lever is in the engaged position. There is a defect in the braking coil or in the cabling. Check the Brake failure Stops driving magnetic brake and cabling for open or short-circuited circuitry. Contact your Invacare provider. Drive lever is not in neutral when the keyswitch was turned. Put the No neutral position drive lever in neutral, turn the power off and then turn on again. when switching Stops driving It may be necessary to replace the drive lever. Contact your Invacare scooter on. provider. ... -
Page 15: Service Plan (Once A Year)
Invacare® Comet Series 5.3.4 Service Plan (Once a Year) Component Check Remedy Notes Check welded seams, Tighten screws, replace fixings and upholstery parts if damaged Seat Grease the spring See 6.2 Replacing Seat Check seat suspension generously, replace parts Suspension, page 18 if damaged Check fixings, welded seams and battery Frames (Chassis) / Tighten screws, replace mounting Battery Mounting parts if damaged Check battery fixing straps Check drive wheels for Tighten hub nuts, replace ... - Page 16 5 Servicing Component Check Remedy Notes Check status display See 5.3.3 Error Codes And Evaluate flash code (flashing) Diagnostic Codes, page 14 Check fixing Tighten or replace fixing Check cable, connecting Replace cable, connecting Drive Controls plug plug Check drive lever function Replace drive lever Replace cable, connecting Check power supply plug or console Check drive program Drive Program version. New version ...
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Page 17: 6 Seat System
6 Seat System 6 Seat System 6.1 Removing / Installing the Seat The seat can be turned to one side to make getting in and out of the scooter easier. The seat is also easier to remove from this position. The seat lever is located under the seat on the left. Removing the Seat 1. Pull the lever A to disengage the seat. 2. Hold the seat firmly by the backrest and front edge and remove it upwards. Installing the Seat 1. Lower the seat assembly onto the seat post. 2. Pull the lever A to allow the seat to drop into the locked position. 3. Lift up the seat assembly to ensure the seat is secured. 1603798-G... -
Page 18: Replacing Seat Suspension
Invacare® Comet Series 6.2 Replacing Seat Suspension CAUTION! Risk of injury or damage if the scooter is accidentally set into motion during repairs Unintended movement or rolling away of the scooter can lead to accidents or damage of the property. — Secure scooter against unintended movement and rolling away. When disassembling, note position of small parts such as screws and washers. Put small parts down so that they can be reassembled in the right sequence. 17 mm wrench (2x) 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove bolt G, nut and washers. 3. Remove seat support tube B from receptacle tube A. 4. Remove concertina type shroud C including spring E and plastic end pieces D and F. 5. Fit plastic end pieces D and F to new spring. 6. Grease spring generously. The spring should be covered completely. 7. Install concertina type shroud C i ncluding spring E and plastic end pieces D and F. 8. Insert seat support tube B into receptacle tube A and press down gently. 9. Reposition bolt G, nut and washers. -
Page 19: Replacing Seat Support Tube
6 Seat System 6.3 Replacing Seat Support Tube 17 mm wrench (2x) 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud, see 7.1 Replacing Rear Shroud, page 20. 3. Remove securing bolt, nut and washers of seat support tube. 4. Replace seat support tube. 5. ... -
Page 20: 7 Shrouds
7 Shrouds 7 Shrouds 7.1 Replacing Rear Shroud CAUTION! Risk of damage to shroud — Do not pull shroud straight up to remove. — Follow instructions below. 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Place one hand at the front, the other at the rear of the shroud A. 3. Lift shroud up from front. ... -
Page 21: Replacing Rear Bumper Cover
Invacare® Comet Series 7.2 Replacing Rear Bumper Cover 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. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. Phillips screwdriver 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables , see 7.1 Replacing Rear Shroud, page 20. 3. ... -
Page 22: Replacing Front Shroud
7 Shrouds 7.3 Replacing Front Shroud 10 mm socket wrench Phillips screwdriver Jacking device 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Remove steering column, see 9.1 Replacing Steering Column, page 29. ... -
Page 23: 8 Lighting Unit
8 Lighting Unit 8 Lighting Unit 8.1 Replacing Headlight Phillips screwdriver 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Remove rear steering column shroud (see until Step 7 in 9.1 Replacing Steering Column, page 29) to disconnect head light cable from wiring harness. 4. Remove colour panel A ... - Page 24 Invacare® Comet Series 7. Replacing Light Bulb a. Disconnect light bulb holder from headlight. b. Replace light bulb. 8. Install parts in reverse order. 9. When inserting the head light back into the front shroud, make sure the plastic hooks D snap into the recesses E.
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Page 25: Replacing Front Direction Indicators
8 Lighting Unit 8.2 Replacing Front Direction Indicators 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. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. Phillips screwdriver Jacking device 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Remove rear steering column shroud (see until Step 7 in 9.1 Replacing Steering Column, page 29) to disconnect direction indicator cables from wiring harness. 4. Jack up the front, to make the direction indicator screws available without removing the front shroud. 5. Remove steering column, see 9.1 Replacing Steering Column, page 29. 6. ... -
Page 26: Replacing Centre Brake Light
Invacare® Comet Series 8.3 Replacing Centre Brake Light CAUTION! Risk of burning if power cable is shorted — Turn off the power completely before removing any power supply components of the scooter. Therefore take out the batteries. — Avoid bridging of contacts during measurements on live electrical components. 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. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. Phillips screwdriver 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Lift up rear bumper cover, see 7.2 Replacing Rear Bumper Cover, page 21. -
Page 27: Replacing Rear Lights / Direction Indicators
8 Lighting Unit 8.4 Replacing Rear Lights / Direction Indicators 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. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. Phillips screwdriver Slotted screwdriver 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Lift up rear bumper cover, see 7.2 Replacing Rear Bumper Cover, page 21. ... - Page 28 Invacare® Comet Series 6. Replacing Light Bulb a. Remove screws C from glass. b. Use slotted screwdriver to loosen the plastic hooks from the recesses. ...
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Page 29: 9 Steering
9 Steering 9 Steering 9.1 Replacing Steering Column Risk of accident Accidental rolling can lead to accidents. — Secure scooter against rolling away. 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. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. 13 mm wrench 17 mm wrench Phillips screwdriver Jacking device 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Jack up the front of the scooter so that the front wheels are off the ground. 4. Remove colour panel A. ... - Page 30 Invacare® Comet Series 6. Remove knob E on steering column adjustment lever. 7. Remove screws F to remove rear steering column shroud. 1603798-G...
- Page 31 9 Steering 8. Loosen screws G to remove front basket holder. 9. Remove screws H. 10. Remove nut I to remove rear mirrors on both sides. 11. Remove front steering column shroud. 1603798-G...
- Page 32 Invacare® Comet Series 12. Disconnect brake cable: Pull break lever and loosen break cable J. Remove break cable from break lever. 13. Disconnect all cables from wiring harness. 14. Loosen screw and nut K on clamp. 15. Remove screw, nut and washer L. 16. Pull steering column out upwards. 1603798-G...
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Page 33: Overview Of Steering
9 Steering 9.2 Overview of Steering Bearing kit of the steering head assembly Front axle kit (only right side displayed) Steering head Shock absorber(only right side displayed) Rod assembly (only right side displayed) 1603798-G... -
Page 34: Replacing Steering Head
Invacare® Comet Series 9.2.1 Replacing Steering Head CAUTION! Risk of accident Accidental rolling can lead to accidents. — Secure scooter against rolling away. When removing, take care of small parts such as screws and washers. Put all small parts down so that they can be installed in correct sequence. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. 10 mm wrench 13 mm wrench 17 mm wrench 19 mm wrench 32 mm wrench Jacking device 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. -
Page 35: Replacing Rod Assembly
9 Steering 9.2.2 Replacing Rod Assembly CAUTION! Risk of accident Accidental rolling can lead to accidents. — Secure scooter against rolling away. 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. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. 10 mm wrench 12 mm wrench 13 mm wrench Jacking device 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Remove steering column, see 9.1 Replacing Steering Column, page 29. 4. ... -
Page 36: Replacing Front Axle
Invacare® Comet Series 9.2.3 Replacing Front Axle CAUTION! Risk of accident Accidental rolling can lead to accidents. — Secure scooter against rolling away. 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. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. 17 mm wrench 19 mm wrench Jacking device 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Remove steering column, see 9.1 Replacing Steering Column, page 29. -
Page 37: Replacing Front Shock Absorber
9 Steering 9.2.4 Replacing Front Shock Absorber CAUTION! Risk of accident Accidental rolling can lead to accidents. — Secure scooter against rolling away. When removing, take care of small parts such as screws and washers. Put all small parts down so that they can be installed in correct sequence. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. 13 mm wrench 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Remove steering column, see 9.1 Replacing Steering Column, page 29. 4. Remove front shroud and bumper cover, see 7.3 Replacing Front Shroud, page 22. ... -
Page 38: Replacing Front Suspension Assembly
Invacare® Comet Series 9.2.5 Replacing Front Suspension Assembly CAUTION! Risk of accident Accidental rolling can lead to accidents. — Secure scooter against rolling away. 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. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. 17 mm wrench 19 mm wrench Jacking device 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 3. Remove front wheels, see 10.3.1 Removing Front Wheels, page 49. -
Page 39: Replacing Curve Control Device (Before 01_2025)
9 Steering 9.3 Replacing Curve Control Device (before 01_2025) CAUTION! Risk of accident Accidental rolling can lead to accidents. — Secure scooter against rolling away. 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. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. Phillips screwdriver 32 mm wrench 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Remove steering column, see 9.1 Replacing Steering Column, page 29. 4. Remove front shroud and bumper cover, see 7.3 Replacing Front Shroud, page 22 or 7.2 Replacing Rear Bumper Cover, page 21. -
Page 40: Replacing Curve Control Device (After 01_2025)
Invacare® Comet Series 9.4 Replacing Curve Control Device (after 01_2025) CAUTION! Risk of accident Accidental rolling can lead to accidents. — Secure scooter against rolling away. When disassembling, note the position of small parts such as s crews and washers. Put small parts down so that they can be reassembled i n the right sequence. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. Phillips screwdriver 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 3. Remove steering column, see 9.1 Replacing Steering Column, page 29. -
Page 41: Replace Key Cylinder
9 Steering 9.5 Replace Key Cylinder CAUTION! Risk of accident Accidental rolling can lead to accidents. — Secure scooter against rolling away. When removing, take care of small parts such as screws and washers. Put all small parts down so that they can be installed in correct sequence. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. Slotted screwdriver 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Remove rear steering column shroud, see until Step 7 in 9.1 Replacing Steering Column, page 29. ... -
Page 42: 10 Drive Components
10 Drive Components 10 Drive Components 10.1 Batteries CAUTION! Injury hazard and possible material damages if batteries are handled improperly — Observe the warning information on the batteries. — Only use battery versions stated in the specifications. CAUTION! Fire and burns hazard if battery terminal is bypassed — Take great care to ensure that the battery terminals are never short-circuited with tools or mechanical s cooter parts. — Ensure that the battery terminal caps have been replaced if you are not working on the battery terminals. CAUTION! Risk of crushing Batteries can be extremely heavy. This results in injury hazards to your hands. — Handle the batteries with care. — Ensure that batteries do not fall to the ground when removed from chassis. — Pay attention to hands. — Use proper lifting techniques. When removing, take care of small parts such as screws and washers. Put all small parts down so that they can b e installed in correct sequence. 10.1.1 General Instructions on Handling Batteries ... -
Page 43: Handling Damaged Batteries Correctly
Invacare® Comet Series 10.1.3 Handling Damaged Batteries Correctly WARNING! Risk of burns — Never touch or remove overheating batteries. Only unplug the charger. — Never touch leaking batteries. WARNING! Burn hazard Injury hazard due to discharged acid. — Always wear acid-proof protective gloves when handling batteries. — Always wear protective goggles when handling batteries. What to do if acid is discharged — Always take clothing which has been soiled by or dipped in acid off immediately! — Rinse any areas of your skin which has come into contact with battery acid off immediately with plenty of w ater! If contact with eyes is made — You should also consult an eye specialist immediately afterwards! Place damaged batteries in an acid-resistant receptacle immediately after removing them. Only ever transport damaged batteries in an appropriate acid-resistant receptacle. Wash all objects that have come into contact with acid with lots of water. Disposing of Dead or Damaged Batteries Correctly WARNING! Environmental Hazard... - Page 44 10 Drive Components The plugs on the operating console cannot be wrongly connected because all plugs have a different size and only fit in one socket. Setting battery gauge is mandatory when retrofitting operating console. Setting wheel diameter is mandatory when retrofitting operating console. Phillips screwdriver 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. ...
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Page 45: Replacing Potentiometer
Invacare® Comet Series 6. Disconnect all plugs C from circuit board. 7. Remove screws D to disconnect circuit board from operating console. 8. Replace operating console (see Step a.) or replace circuit board (see Step b.). a. Use screws D to connect new operating console with circuit board. b. Use screws D to connect new c ircuit board with operating console. 9. Connect all plugs C with circuit board. 10. Install parts in reverse order. 11. Test all functions. 10.2.2 Replacing Potentiometer CAUTION! Risk of burning if power cable is shorted — Turn off the power completely before removing any power supply components of the scooter. Therefore take out batteries. — Avoid bridging of contacts during measurements on live electrical components. CAUTION! Risk of damage to operating console by instant high current/voltage — Unplug battery cable before removing/installing operating console. — Make sure all pins are correctly connected. CAUTION! Risk of accident Wrong potentiometer setting can result in dangerous driving situations. — Connect potentiometer to drive lever mounting. - Page 46 10 Drive Components Phillips screwdriver 2 mm Allen key 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Remove colour panel A. ...
- Page 47 Invacare® Comet Series 8. Remove screws F on potentiometer. 9. Replace potentiometer. 10. Reconnect potentiometer plug E with circuit board. 11. Tighten drive lever C with screws D to potentiometer. 12. Install parts in reverse order. 13. Test all functions. 1603798-G...
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Page 48: Replacing Power Module
10 Drive Components 10.2.3 Replacing Power Module CAUTION! Risk of accident When parking scooter on antitippers it is no longer slowed by motor brake. scooter can roll away out of control. — Place scooter’s rear frame on a supporting wooden block before you remove wheels. CAUTION! Risk of burning if power cable is shorted — Turn off the power completely before removing any power supply components of the scooter. Therefore take out batteries. — Avoid bridging of contacts during measurements on live electrical components. CAUTION! Any changes to the drive program can affect the driving characteristics and the tipping stability of the scooter — Changes to the drive program may only be carried out by trained Invacare specialist providers. — Invacare can only give a warranty for safe scooter driving behavior - especially tipping stability - for unaltered standard drive programs. CAUTION! Risk of accident Accidental rolling can lead to accidents. — Secure scooter against rolling away. The controls system is supplied with a standard drive program. If you have carried out customer-specific modifications to the drive program, you will have to make these changes again after installing the new power module. When disassembling, note position of small parts such as screws and washers. Put small parts down so that they can be reassembled in right sequence. The plugs on the electronic module cannot be wrongly connected because all plugs have a different size and only fit in one socket. ... -
Page 49: Wheels
Invacare® Comet Series 10.3 Wheels 10.3.1 Removing Front Wheels CAUTION! Risk of accident When parking the scooter on antitippers, it is no longer slowed by the motor brake. The scooter can roll away out of control. — Place scooter’s rear frame on a jacking device before you remove wheels. CAUTION! Risk of injury or damage if the scooter is accidentally set into motion during repairs Unintended movement or rolling away of the scooter can lead to accidents or damage of the property. — Secure scooter against unintended movement and rolling away. When removing, note position of small parts such as screws and washers. Put small parts down so that they can be installed in right sequence. 17 mm wrench Rubber hammer Flat screwdriver 17 mm self-locking nut Jacking device 1. Turn power off. 2. Jack up the front of the scooter so that the f ront wheels are off the ground. -
Page 50: Replacing The Rear Wheels
10 Drive Components 10.3.2 Replacing the Rear Wheels CAUTION! Risk of accident When parking the scooter on antitippers, it is no longer slowed by the motor brake. The scooter can roll away out of control. — Place scooter’s rear frame on a jacking device before you remove wheels. CAUTION! Risk of injury or damage if the scooter is accidentally set into motion during repairs Unintended movement or rolling away of the scooter can lead to accidents or damage of the property. — Secure scooter against unintended movement and rolling away. Take note of position and orientation of wheel and mounting hardware before removing. When removing, note position of small parts such as screws and washers. Put small parts down so that they can be installed in right sequence. 17 mm spanner Rubber hammer Screwdriver 17 mm safety nut Jacking device Removing the Rear Wheels 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. ... - Page 51 Invacare® Comet Series Installing the Rear Wheels CAUTION! No breaking efficency without keystock! — Make sure to mount keystock G on drive shaft E when reassembling. 1. Place keystock G in cutout on drive shaft E as shown in the illustration above. The keystock in the drive shaft MUST lineup with the cutout in the wheel hub. If necessary, use a rubber hammer to gently tap drive wheel completely into position on the drive shaft. 2. Install the large washer F onto the drive shaft. 3. Install the drive wheel A onto the drive shaft. 4. Secure wheel to drive shaft by installing the small washer D and locknut C onto the threaded end of the drive shaft. Securely tighten. 5. Install the cap B. 6. Repeat STEPS 1-5 to install the other rear wheel. 1603798-G...
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Page 52: Repairing Tyre Punctures
10 Drive Components 10.3.3 Repairing Tyre Punctures Inner tube repair set or a new inner tube Talcum powder 12 mm wrench (depending on rim type) 10 mm wrench (depending on rim type) 1. Remove wheel, see 10.3.2 Replacing the Rear Wheels, page 50. 2. Remove valve cap. 3. Deflate tyre by pressing in the centre valve pin. CAUTION! Risk of explosion The wheel explodes if the air pressure has not been released from the wheel before the wheel rim is removed. — Always let all the air out of the tyre before removing the rim. 4. Loosen and remove screws. 5. Remove both wheel rim halves out of tyre and remove inner tube. 6. Repair inner tube and refit in wheel, or replace it with new inner tube. If the old inner tube has been repaired and is to be used again, and became wet during repair, it is easier to replace it if it is lightly dusted with talcum powder beforehand. 7. Refit wheel rim parts from outside into tyre. 8. Pump up tyre lightly. 9. ... - Page 53 Invacare® Comet Series When disassembling, note position of small parts such as screws and washers. Put small parts down so that they can be reassembled in right sequence. Before you can replace the left-hand shock absorber, the drive motor needs to be removed, see 10.4.2 Replacing Drive Unit (Differential with Drive Motor), page 54. If the right-hand shock absorber is to be replaced, you do not need to remove the drive motor. 5 mm Allen key (2x) 17 mm wrench (2x) 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Remove upper rear bumper cover, see 7.2 Replacing Rear Bumper Cover, page 21.
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Page 54: Replacing Drive Unit (Differential With Drive Motor)
10 Drive Components 10.4.2 Replacing Drive Unit (Differential with Drive Motor) CAUTION! Risk of accident When parking scooter on antitippers it is no longer slowed by motor brake. scooter can roll away out of control. — Place scooter rear frame on a supporting wooden block before you remove wheels. CAUTION! Risk of accident Accidental rolling can lead to accidents. — Secure scooter against rolling away. 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. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. The plugs on the power module cannot be wrongly connected because all plugs have a different size and only fit in one socket. 10 mm wrench Phillips screwdriver 14 mm wrench Jacking device 17 mm socket wrench 5 mm Allen key 10 mm socket wrench Thread locking adhesive (for example Locktite 243) 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. ... - Page 55 Invacare® Comet Series Replacing Drive Motor Only 1. Remove screws and washers E. 2. Disconnect motor from differential and take motor out of the chassis to the side. 3. Replace motor. Replacing Drive Unit 1. Loosen screws F on both sides of the chassis. 2. Remove lower bolts o f central, left and right shock absorbers, see 10.4.1 Replacing Rear Shock Absorber, page 52. The swing arm drops for easier access to the drive unit. 3. Lift drive unit out of holder and take drive unit out of the chassis to the side. 4. Replace drive unit. Installation 1. Install parts in reverse order. CAUTION! Reduced function when clutch is mounted incorrectly — Make sure to mount clutch G with inscription “M” facing motor. 2. Apply thread locking adhesive (for example Locktite 243) to screws F on swing arm and tighten to 25 Nm. 3. Test all functions.
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Page 56: Replacing Carbon Brushes
10 Drive Components 10.4.3 Replacing Carbon Brushes Always replace all the carbon brushes on both motors. CAUTION! Risk of accident When parking scooter on antitippers it is no longer slowed by motor brake. scooter can roll away out of control. — Place scooter rear frame on a supporting wooden block before you remove wheels. CAUTION! Risk of accident Accidental rolling can lead to accidents. — Secure scooter against rolling away. 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. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. Slotted screwdriver Jacking device Removing Carbon Brushes 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Remove upper rear bumper cover, see 7.2 Replacing Rear Bumper Cover, page 21. - Page 57 Invacare® Comet Series Installing Carbon Brushes 1. Depending on condition of brushes and springs: install existing brushes in exactly the same position from which they were taken from or install new brushes. 2. Install all parts in reverse order. The following procedure is necessary to run new carbon brushes in after replacement to guarantee maximum performance. CAUTION! Risk of accidents Injuries to workers, damage to surroundings and scooter. — Do not leave scooter unattended during the following procedure. — Secure area. 3. Jack up scooter. 4. Allow motor to run for an hour in forward direction. 5. Allow motor to cool down for 30 minutes. 6. Allow motor to run for an hour in reverse direction. 1603798-G...
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Page 58: Replacing Rear Swing Arm
10 Drive Components 10.4.4 Replacing Rear Swing Arm CAUTION! Risk of accident Accidental rolling can lead to accidents. — Secure scooter against rolling away. 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. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. 14 mm wrench 5 mm Allen key Thread locking adhesive (for example Locktite 243) 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Jack up scooter under the frame at battery holder height. 4. Remove rear wheels, see 10.3.2 Replacing the Rear Wheels, page 50. 5. ... -
Page 59: Replacing Fender
Invacare® Comet Series 10.4.5 Replacing Fender CAUTION! Risk of injury or damage if the scooter is accidentally set into motion during repairs Unintended movement or rolling away of the scooter can lead to accidents or damage of the property. — Secure scooter against unintended movement and rolling away. When removing, note position of small parts such as screws and washers. Put small parts down so that they can be installed in right sequence. Phillips screwdriver Jacking device 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Remove upper rear bumper cover, see 7.2 Replacing Rear Bumper Cover, page 21. 4. Remove rear wheels, see 10.3.2 Replacing the Rear Wheels, page 50. -
Page 60: 11 Brakes
11 Brakes 11 Brakes 11.1 Replacing Brake Cable CAUTION! Risk of injury or damage if the scooter is accidentally set into motion during repairs Unintended movement or rolling away of the scooter can lead to accidents or damage of the property. — Secure scooter against unintended movement and rolling away. When disassembling, note position of small parts such as screws and washers. Put small parts down so that they can be reassembled in right sequence. You do not need to remove wheel to replace brake cable. If necessary, remove cable ties for disassembling. Replace with new cable ties during reassembly. 10 mm wrench Phillips screwdriver Jacking device 1. Jack up the front part of t he frame so that the front wheel is no longer touching the floor. 2. Slacken brake c able using setting screw A. 3. ... -
Page 61: Replacing Hand Brakes
Invacare® Comet Series 11.2 Replacing Hand Brakes CAUTION! Risk of injury or damage if the scooter is accidentally set into motion during repairs Unintended movement or rolling away of the scooter can lead to accidents or damage of the property. — Secure scooter against unintended movement and rolling away. 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. 10 mm wrench 17 mm wrench 19 mm wrench Jacking device 1. Remove seat, see 6.1 Removing / Installing the Seat, page 17. 2. Remove rear shroud and disconnect battery cables, see 7.1 Replacing Rear Shroud, page 20. 3. Jack up the front part of t he frame so that the front wheel is no longer touching the ... - Page 62 Australia: Canada: New Zealand: United Kingdom & Ireland: Invacare Australia Pty. Ltd. Invacare Canada LP Invacare New Zealand Ltd Invacare Limited Unit 18/12 Stanton Road, c/o Motion Concepts Canada 4 Westfield Place, Mt Wellington Pencoed Technology Park, Pencoed Seven Hills, NSW 2147, 84 Citation Drive Unit 11 1060 Bridgend CF35 5AQ Australia Concord, Ontario L4K 3C1 New Zealand Tel: (44) (0) 1656 776 200 Phone: 1800 460 460 Phone: 0800 468 222 uk@invacare.com Fax: 1800 814 367 Fax: 0800 807 788 www.invacare.co.uk orders@invacare.com.au sales@invacare.co.nz www.invacare.com.au www.invacare.co.nz EU Export: Invacare Poirier SAS Route de St Roch F-37230 Fondettes Tel: (33) (0)2 47 62 69 80 serviceclient_export@invacare.com www.invacare.eu.com 1603798-G 2025-03-04 Making Life’s Experiences Possible®...
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