Invacare Spectra XTR Service Manual

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Summary of Contents:

[Page 1] Invacare Spectra XTR

Invacare® Spectra XTR SERVICE MANUAL Edition: 04.10.11 ...

[Page 2] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 2 These instructions contain information about: Testing work Repair Instructions This manual is part of the instructions for use. Service addresses Invacare Austria GmbH Herzog Odilostrasse ...

[Page 3] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 3 Invacare® Ltd Pencoed Technology Park Pencoed Bridgend CF35 5HZ United Kingdom  (Customer services): +44 (0)1656 77 62 22 Fax (Customer services): +44 (0)1656 77 62 20 @: [email protected] ...

[Page 4] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 4 Återförsäljare: Invacare® AB Fagerstagatan 9 S-163 91 Spånga Sverige Tillverkare: Invacare® Deutschland GmbH Kleiststraße 49 D-32457 Porta Westfalica Deutschland  (Kundtjänst): ...

[Page 5] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 5 Contents Chapter Page 1 Introduction 8 1.1 General information ..................................................................................................................8 1.2 Notes o...

[Page 6] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 6 6 Operational faults 27 6.1 Drive fault diagnosis ...............................................................................................................27 6.2 REM24 remote: Error codes an...

[Page 7] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 7 7.15 Replacing a drive wheel..........................................................................................................76 7.16 Replacing the splash guard................................

[Page 8] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 8 1 Introduction 1.1 General information  Service and maintenance work must be carried out taking this service manual into account.  It is imperative that you observe safety information. �...

[Page 9] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 9 1.3 Definition and representation of information and safety information in this manual Different types of information and signal words are used throughout this manual. HAZARD! The signal word ...

[Page 10] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 10 1.4 Hazard symbols and symbols used Different types of hazard symbols and symbols are used throughout this manual. General hazards This symbol warns you of general hazards!  Always follow...

[Page 11] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 11 Requirements:  This symbol identifies a list of various tools, components and items which you will need in order to carry out certain work. Please do not attempt to carry out the work if you d...

[Page 12] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 12 2 Safety and fitting instructions These safety instructions are intended as prevention of accidents at work and it is imperative that they are observed. 2.1 Before any inspection or repair work �...

[Page 13] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 13 ATTENTION! Fire and burn hazard due to electrical short-circuit!  The mobility device must be completely switched off before removal of voltage-carrying components! To do this, remove the bat...

[Page 14] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 14 WARNING! Any changes to the drive program can affect the driving characteristics and the tipping stability of the vehicle!  Changes to the drive program may only be carried out by trained Invac...

[Page 15] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 15 3 Tightening torques 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 d...

[Page 16] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 16 4 Layout of components and componentry 4.1 Overview 4.1.1 Wheelchair without lifter Underneath the seat: 1) Seat disengager 2) Electronics module The electronics modules used are described i...

[Page 17] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 17 Actuator module 4) Actuator module The actuator module is fitted under the seat support. G-Trac sensor 5) G-Trac sensor The optional G-Trac sensor is located in the front, next to the bat...

[Page 18] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 18 4.1.2 Wheelchair with lifter In front of the batteries under the plastic cover: 1) Electronics module 2) Lighting PCB (optional) 3) Plastic cover The electronics modules used are described in ...

[Page 19] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 19 Electric lifter 8) Lifter motor G-Trac sensor 9) G-Trac sensor The optional G-Trac sensor is located in the front, next to the battery connector. Operation hour counter 10) Operation ...

[Page 20] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 20 4.2 Electronics modules A variety of electronics modules can be fitted to the mobility device. Before you connect any mobility device components such as adjusting motors/actuators or motors to the el...

[Page 21] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 21 Electronics module Designation Joystick boxes Notes Shark Shark with lighting PCB Shark II remote The lighting PCB is optional. ACT actuator module The actuator m...

[Page 22] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 22 4.2.1 ACS 1 60A electronics module Connections 1) Motor M2 2) Battery 24V 3) Bus cable (to remote or ACT) 4) Bus cable (to remote or ACT) 5) Motor M1 4.2.2 ACS 2 PMB70 / ACS 2 PMB70L ele...

[Page 23] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 23 4.2.5 R-Net electronics module Connections 1) Bus 2) Lock (INHIBIT 2) 3) Actuator 1 4) Actuator 2 5) On-board battery charger 6) Motor M1 7) Battery 24V 8) Motor M2 4.2.6 Shark elec...

[Page 24] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 24 4.2.7.2 ACT 4 actuator module Connections 1) ACI* 2) Bus cable (to remote or electronics module) 3) Bus cable (to remote or electronics module) 4) Actuator - Channel 4 5) Actuator - Channel ...

[Page 25] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 25 5 Maintenance plan (1x annually) CAUTION! Danger of injury and damage to property, if the maximum speed reduction on a wheelchair with a lifter does not function correctly! The wheelchair’s c...

[Page 26] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 26 Component Check Remedy Notes  Drive units, coupling mechanism  Check functions in drive and push modes  Check coupling mechanism  Replace motor if necessary.  Tighten sc...

[Page 27] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 6 Operational faults The various electronics modules can be fitted in connection with differing remotes in the mobility device. Rectification of operational faults is dependent on the electronics module fi...

[Page 28] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 28 PROBLEM OTHER SYMPTOMS POSSIBLE CAUSE SOLUTION Documentation Batteries defective (unstable voltage) Replace batteries See chapter 7.7. Replace motor(s) See chapter 7.2. Mobility device ...

[Page 29] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 29 6.2 REM24 remote: Error codes and diagnostic codes The drive electronics can automatically rectify some faults. In this case the status display will stop blinking. Switch the remote on and off aga...

[Page 30] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 30 Blink Code POSSIBLE CAUSE SOLUTION Documentation 11 x blink Drive motors overloaded / overheated Switch remote on and off / wait if necessary - 12 x blink Compatibility problems between mod...

[Page 31] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 31 6.3 VR2 remote: Error codes and diagnostic codes Evaluate the cause using the following blink codes. The following figure shows which LEDs are located on the remote. 1) Battery display 2) Profil...

[Page 32] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 32 Error code POSSIBLE CAUSE SOLUTION Documentation 9 LED battery display The parking brake is not working correctly. Check parking brake Check cable. See chapter 7.9. 10 LED battery display ...

[Page 33] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 33 6.4 Shark II remote Error codes and diagnostic codes The drive electronics can automatically rectify some faults. In this case the status display will stop blinking. Switch the remote on and off a...

[Page 34] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 34 6.5 R-NET remote: Error codes and diagnostic codes Evaluate the cause using the following blink codes. The following figure shows which LEDs are located on the remote. 1) Battery display 2) Actuat...

[Page 35] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 35 Error code POSSIBLE CAUSE SOLUTION Documentation 9 LED battery display The parking brake is not working correctly. Check parking brake Check cable. See chapter 7.9. 10 LED battery displ...

[Page 36] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 36 7 Repair work 7.1 General warning information about fitting work CAUTION! Danger of damage to vehicle! Collisions can be caused if the adjusting washers are removed during fitting work to the ...

[Page 37] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 37 Note When disassembling, take care of small parts such as screws and washers. Put all small parts down so that they can be reassembled in the right sequence.  Remove legrests.  Release ...

[Page 38] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 38 7.2.1 Replacing the complete drive unit  Loosen the six drive unit screws with the 6 mm Allen key. 3 screws are located on the outside of the drive unit as shown in the figure. The other 3 ...

[Page 39] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 39 7.2.2 Replacing the motor  Loosen the motor screw (1) with the 5 mm Allen key.  Remove the motor from the transmission.  The motor is reassembled in reverse order to disassembly. ...

[Page 40] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 40 7.2.3 Replacing the jaw clutch  Loosen the motor screw (1) with the 5 mm Allen key.  Remove the motor from the transmission.  Remove the clutch (2) from the motor (1) using the screw...

[Page 41] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 41 7.2.4 Replace carbon brushes Note The carbon brushes are located under plastic caps outside each motor. This makes them easily accessible so that they can be replaced without removing the motor....

[Page 42] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 42 7.3 Replacing the electronics The various electronics modules can be fitted to the mobility device with a range different remotes. The possible electronics modules are described in Chapter 4.2. Repl ...

[Page 43] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 43  Remove all plugs (1) from the electronics module.  Mark the positions of individual plugs for later reassembly.  Loosen the screws (1) on both sides of the electronics module with t...

[Page 44] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 44 7.4 Replacing the G-Trac sensor Requirements:  5 mm Allen key  10 mm socket wrench  Switch the electronics OFF.  Remove the legrests.  Release the seat (1) and tilt forwar...

[Page 45] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 45  Installation of the G-Trac sensor is done in reverse order.  The G-Trac sensor must be installed with the cable pointing upwards. The sensor has a guide (2) that must fit exactly into the ...

[Page 46] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 46 7.5 Operating hours counter 7.5.1 Replacing the operating hours counter Requirements:  Philipps screwdriver, size 2  10 mm open-end wrench  Switch the electronics OFF.  Remov...

[Page 47] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 47 CAUTION! Property damage can result if the counter is wrongly connected. If the plus and minus wires are connected the wrong way, it will damage the electronic components of the operating hours...

[Page 48] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 48 7.5.2 Replacing the connecting cable of the operating hours counter Requirements:  Philipps screwdriver, size 2  Side cutters  Cable ties  Switch the electronics OFF.  Remo...

[Page 49] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 49 CAUTION! Property damage can result if the counter is wrongly connected. If the plus and minus wires are connected the wrong way, it will damage the electronic components of the operating hours...

[Page 50] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 50 7.6 Updating software The drive programs for mobility devices are continually being further developed and improved by Invacare. For this reason, you should always check whether the drive program versi...

[Page 51] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 51 7.7 Replacing batteries ATTENTION! Injury hazard and possible material damages if batteries are handled improperly!  The installation of new batteries may only be carried out by authorised s...

[Page 52] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 52 7.7.1 Removing the battery cases ATTENTION: Danger of crushing! The batteries are extremely heavy. This results in injury hazards to your hands.  Bear in mind that the batteries are sometimes...

[Page 53] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 53  Pull the front battery case backwards using the belt and pull it out using the handles. ...

[Page 54] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 54 7.7.2 Removing the batteries ATTENTION! Fire and burns hazard if battery terminal is bypassed!  Please take great care to ensure that the battery terminals are never short-circuited with tools...

[Page 55] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 55  Pull the battery case socket / plug out of the guide.  The rear battery is only fitted with a battery case socket at the front.  The front battery is fitted with a battery case socket...

[Page 56] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 56  Loosen the battery terminal clamps (1) with the Phillips screwdriver.  First undo the screw on the negative terminal (black cable) with the Phillips screwdriver.  After this, undo the b...

[Page 57] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 57 Rear battery  The battery case socket is located at the front (flange central).  Socket side A is on the left in the direction of travel.  Socket side B is on the right in the directi...

[Page 58] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 58 7.7.3 Correct handling of damaged batteries WARNING: BURN HAZARD! Injury hazard due to discharged acid.  Always wear acid-proof protective gloves when handling batteries.  Always wear...

[Page 59] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 59 7.8 Checking and replacing the main fuse CAUTION: Fire hazard! A short circuit can cause extremely high currents which can result in spark formation and fire!  Always use an original strip...

[Page 60] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 60  The fuseholder (1) is located on top of the batteries.  Open the fuseholder cover.  If the strip fuse has blown, you must first ascertain and rectify the cause of the fault.  The m...

[Page 61] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 61 7.9 Checking the cable The following images show checking the cable using the Shark controller as an example. The plug positions are different for both the DX2 and VR2 controllers. The procedure for...

[Page 62] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 62  Check all battery cables for visible damage and crushing. Replace damaged cables.  Reassembly takes place in the reverse order.  To complete, check all vehicle functions. ...

[Page 63] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 63 7.10 Differences when replacing the REM24 remote Requirements:  To adapt the drive program: programming software or hand programming device and REM24 electronics system installation manual, ...

[Page 64] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 64 7.11 Lighting unit 7.11.1 Replacing front headlight completely (LED lighting unit) Note Replacing an individual LED is not possible. If there is a defect, replace the entire front headlight. ...

[Page 65] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 65 7.11.2 Replacing the front bulb holder (LED lighting unit) Requirements:  Jaw spanner 7 mm  Allen key 3 mm  TX25 torx screwdriver  oblique pliers  cable binder  Loose...

[Page 66] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 66 7.11.3 Replacing the rear light completely (LED lighting unit) Note Replacing an individual LED is not possible. If there is a defect, replace the entire rear light. Requirements:  Philli...

[Page 67] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 7.12 Anti-tipping mechanism 7.12.1 Replacing the anti-tipping mechanism with screw Requirements:  10 mm socket wrenches (two of them)  Loosen and remove the self-securing nut (3).  Remov...

[Page 68] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 68 7.12.3 Replacing a defective locking spring Defective locking springs can lead to loss or failure of the anti-tipping mechanism! Requirements:  A rod or Phillips screwdriver  If neces...

[Page 69] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 69 7.13 Replacing the steering head bearings on the steering wheels WARNING: Danger of crushing! The mobility device is very heavy. Injury hazard to hands and feet!  You should seek help fro...

[Page 70] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 70  Loosen the 19 mm nut (1) with the socket spanner and remove it. Hold the wheel so that it does not rotate when the nut is being removed.  Pull the steering head shaft upwards out of the s...

[Page 71] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 71 The illustrations show the wide border of the ball bearing on the outsid e of the ball race (A) and the narrow ball bearing edge on the inside (B). After assembly, the steering wheels should rotate ...

[Page 72] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 72 7.14 Repairing punctures WARNING: Danger of crushing! The mobility device is very heavy. Injury hazard to hands and feet!  You should seek help from a second person. Injury hazard caused...

[Page 73] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 73 Rep airing the flat tyre ATTENTION: Explosion hazard! There is considerable pressure in the tyre. Danger of injury! Parts can be thrown out and injure you if you do not evacuate all the air fr...

[Page 74] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 74 7.14.2 Repairing punctures (wheel size 280/250-4) Requirements:  Allen key 6m  jaw spanner 13 mm  2 x small ring spanners or flat screwdrivers (for pulling off tyres)  Repair ki...

[Page 75] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 75 Repairing the flat tyre ATTENTION: Explosion hazard! There is considerable pressure in the tyre. Danger of injury! Parts can be thrown out and injure you if you do not evacuate all the air from ...

[Page 76] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 76 7.15 Replacing a drive wheel WARNING: Danger of crushing! The mobility device is very heavy. Injury hazard to hands and feet!  You should seek help from a second person. Injury hazard ca...

[Page 77] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 77  Under the 4 bolts which secure the wheel (1) using the Torx TX40 spanner.  Remove the wheel from the hub.  Reassembly takes place in the reverse order. ...

[Page 78] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 78 7.16 Replacing the splash guard WARNING: Danger of crushing! The mobility device is very heavy. Injury hazard to hands and feet!  You should seek help from a second person. Injury haza...

[Page 79] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 79  A further reinforcing plate (1) is located under the splash guard.  Reassembly takes place in the reverse order. When reassembling, ensure that screw (1) is shorter than screw (2). ...

[Page 80] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 80 7.17 Checking an adjusting motor Requirements:  Multimeter  Remove legrests.  Release seat (1) and tilt forwards.  Remove the adjusting motor plug from the electronics module or...

[Page 81] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 81 7.18 Replacing the seat tilting Requirements:  flat screwdriver, blade width approx. 6 mm  oblique pliers  small hammer  cable binder  Remove legrests.  Release seat...

[Page 82] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 82  Remove the SL fuse (2) on the top fixing bolt (1) with the screwdriver.  Pull the fixing bolt (1) out.  Pull the adjustment spindle with adjusting motor out.  Insert a new adjustm...

[Page 83] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 83 7.19 Replacing the lifter Requirements:  small blade screwdriver  13 mm jaw spanner  24 mm jaw spanner  24 mm ring spanner  Allen key 5 mm  oblique pliers  cable...

[Page 84] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 84  Undo the four bolts (2) with a 13 mm jaw spanner and remove.  Lift the seat support (1) down from the lifter (3).  Loosen the four bolts (1) with a 5 mm Allen key and a 13 mm jaw span...

[Page 85] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 85 8 Adjusting the seat depth to the user's seating position In order to adapt the mobility device optimally to the requirements of the user, we recommend that you ask your authorised Invacare® ...

[Page 86] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 8.1 Standard seat The pictures show the standard seat from above and below.  Rear bolts (1)  Front bolts (2)  Seat plate (3)  Seat frame (4)  The seat plate can be fixed in three ...

[Page 87] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 87 The picture shows where the drillholes for fixing the seat fram e (3) are located on the base frame.  Rear drillholes (1)  Front bolts (2)  The seat frame can only be fixed in one posit...

[Page 88] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 88 8.2 Fixed seat The picture shows the fixed seat from below. The fixed seat is fixed directly to the base frame.  Rear drillholes (1)  Front drillholes (2) ...

[Page 89] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 89 8.3 Flex-II seat The pictures show the standard seat from above without seat support. The Flex-II seat is fixed directly to the base frame.  Rear drillholes (1)  Front drillholes (2)...

[Page 90] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 90 9 Backrest unit 9.1 Replacing the standard backrest Requirements:  5 mm Allen key  open-ended spanner, 10 mm  open-ended spanner, 13 mm Dismantling the backrest unit:  ...

[Page 91] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 91 Refitting the backrest unit:  Replace the parts in the reverse order.  To conclude, you should always carry out a trial run to test the vehicle functions. 9.1.1.1 Adjusting backrest forme...

[Page 92] Invacare Spectra XTR

SERVICE MANUAL Invacare ® - Bora 92 10 Replacing the holding strap 10.1 Standard seat & Flex II Requirements:  open-ended spanner, 13 mm  5 mm Allen key Note A nut is fixed between the two washers (2) and (4) a...

[Page 93] Invacare Spectra XTR

Invacare ® - Bora SERVICE MANUAL 93 10.2 Fixed seat unit Requirements:  open-ended spanner, 13 mm  13 mm jaw spanner  Loosen the bolt (1) with a 13 mm socket spanner. Hold the nut using a 13 mm jaw spanner to prev...