Instruction/ maintenance manual of the product M50 Invacare
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Service Manual DEALER: Keep this manual. The procedures in this manual MUST be performed by a qualified technician. For more information regarding Invacare products, parts, and services, please visit www.
RECOMMENDED TOOLS Pronto® Series 2 Part No. 1125075 WARNING A QUALIFIED TECHNICIAN MUST PERFORM ALL PROCEDURES IN THIS SERVICE MANUAL. DEALERS AND QUALIFIED TECHNICIANS: DO NOT SERVICE OR OPERATE.
TABLE OF CONTENTS Part No. 1125075 3 Pronto® Series TABLE OF CONTENTS RECOMMENDED TO OLS .................................................................... 2 REFERENCE DOCUMENTS ................................................................. 2 SPECIAL NOTES .
TABLE OF CONTENTS Pronto® Series 4 Part No. 1125075 TABLE OF CONTENTS M50/M51 Wheelchairs Manufactured After 8/14/ 05 and All M61 Wheelchairs ...................37 Elevating the Seat ......................... ............................... .........
TABLE OF CONTENTS Part No. 1125075 5 Pronto® Series TABLE OF CONTENTS M61 Wheelchairs ............... ..................................................................................................................62 Removing/Installing the Seat Pan .
TABLE OF CONTENTS Pronto® Series 6 Part No. 1125075 TABLE OF CONTENTS Installing .............. ....................................................................................................... ................... ..........87 Removing/Installing the Side Shrouds .
TABLE OF CONTENTS Part No. 1125075 7 Pronto® Series TABLE OF CONTENTS SECTION 13—ELECTRO NICS .......................................................... 12 0 Removing/Installing the Joys tick .......................... .............................
SPECIAL NOTES Pronto® Series 8 Part No. 1125075 SPECIAL NOTES Signal words are used in this manual and apply to hazards or unsafe practices which could result in personal injury or property damage. Refer to the table below for definitions of the signal words.
SPECIAL NOTES Part No. 1125075 9 Pronto® Series WARNING CONTINUED The drive behavior initially experienced by the user may be different from oth er chairs previously used.
LABEL LOCATION Pronto® Series 10 Part No. 1125075 LABEL LOCATION The serial number label is located inside of the front frame. The top shroud and front battery need to be remov ed to view the label.
TYPICAL PRODUCT PARAMETERS Part No. 1125075 11 Pronto® Series TYPICAL PRODUCT PARAMETERS MEDIUM BACK SEMI-RECLINE BACK OFFICE STYLE, SEMI-RECLINE BACK ASBA SEAT WID TH RANGE: 18 inches 16 inches 18 i.
TYPICAL PRODUCT PARAMETERS Pronto® Series 12 Part No. 1125075 *NOTE: Includes seating s ystems and accessories. **NOTE: V alues for range are calculated for max imum chair weight rating u sing larges.
SECTION 1—GENERAL GUIDELINES Part No. 1125075 13 Pronto® Series SECTION 1—GENERAL GUIDELINES WARNING SECTION 1 - GENERAL GUIDELINES contains important infor mation for the safe operation and use of this product.
SECTION 1—GENERAL GUIDELINES Pronto® Series 14 Part No. 1125075 DO NOT climb, go up or down ramps or traverse slopes greater than 9°. DO NOT attempt to move up or down an incline with a w ater , ice or oil film. DO NOT attempt to drive ov er curbs or obstacles.
SECTION 1—GENERAL GUIDELINES Part No. 1125075 15 Pronto® Series Carefully read battery/battery charger info rmation prior to installing, servicing or operating your wheelchair .
SECTION 1—GENERAL GUIDELINES Pronto® Series 16 Part No. 1125075 Rain Test Inv acare has tested its powe r wheelchairs in accordance with ISO 7176 “Rain T est.” This provides the end user or his/her assistant sufficient time to remov e his/her power wheelchair from a rain storm an d retain wheelchair operation.
SECTION 2—EMI INFORMATION Part No. 1125075 17 Pronto® Series SECTION 2—EMI INFORMATION WARNING CAUTION: IT IS VERY IMPORTANT T HAT YOU READ THIS INFOR MATION REGARDING THE POSSIBLE E FFECTS OF ELECTROMAGNETIC INTERFERENCE ON YOUR POWERED WHEELCH AIR.
SECTION 2—EMI INFORMATION Pronto® Series 18 Part No. 1125075 WARNING Powered Wheelchair Electromagn etic Interference (EMI) Because EM energy rapidly becomes more intense as one moves closer to the transmitting antenna (source), the EM fields from hand -held radio wave sources (transceivers) are of special concern.
SECTION 3—SAFETY INSPEC TION/TROUBLESHOOTING Part No. 1125075 19 Pronto® Series SECTION 3—SAFETY INSPECTION/TROUBLESHOOTING Safety Inspection Checklists Initial adjustments should be made to suit the end user ’ s personal body structure, needs, and preferences.
SECTION 3—SAFETY INSPECTIO N/TROUBLESHOOTING Pronto® Series 20 Part No. 1125075 ❑ Ensure seat is secured to wheelchair frame. ❑ Ensure seat release latch is not worn and is functional. Replace if necessary . ❑ Ensure arm pivot points are not w or n and/or loose.
SECTION 3—SAFETY INSPEC TION/TROUBLESHOOTING Part No. 1125075 21 Pronto® Series SPJ+ Information Gau ge Display Diagnostics DISPLAY DESCRIPTION DEFINITION COMMENTS All LEDs are off. Power is off. All LEDs are on. Power is on. Fewer than three LEDs on implies reduced battery charge.
SECTION 3—SAFETY INSPECTIO N/TROUBLESHOOTING Pronto® Series 22 Part No. 1125075 SPJ Information Gauge Display Diagnostics DISPLAY DESCRIPTION DEFINITION COMMENTS All three LEDs are Off. Power is Off. All three LEDs are On. Power is On. Fewer than three L EDs On implies reduced battery charge.
SECTION 3—SAFETY INSPEC TION/TROUBLESHOOTING Part No. 1125075 23 Pronto® Series Diagnostic Codes NUMBER OF FLASHES DIAGNOSTICS CODE ERROR CODE DESCRIPTION SUB CODE* DETAILS OF ERROR CODE POSSIBLE SOLUTION 1 E 01 User Fault 00 Stall Timeout or user error.
SECTION 3—SAFETY INSPECTIO N/TROUBLESHOOTING Pronto® Series 24 Part No. 1125075 5 E05 Left Park Brake Fault 00 Left Park Brake Drive-Time Test Failed Check the left park brake connections and cable.
SECTION 3—SAFETY INSPEC TION/TROUBLESHOOTING Part No. 1125075 25 Pronto® Series Motor/Gearbox/Brake 8 E08 Controller Fault 00 Controller fault Check connections and wirin g.
SECTION 3—SAFETY INSPECTIO N/TROUBLESHOOTING Pronto® Series 26 Part No. 1125075 Motor chatters or runs erratically, or only one motor turns. Damaged connector or worn brushes. Bad motor or gear box. Ohm out motors. Check b rushes and replace brushes if necessary.
SECTION 3—SAFETY INSPEC TION/TROUBLESHOOTING Part No. 1125075 27 Pronto® Series Battery Motor is running then fails to restart when stopped. Heavy load on the motors forcing controller into the cu rrent rollback mode. Leave power On and all ow controller to count down, and recharge the bat teries overnight with power On.
SECTION 3—SAFETY INSPECTIO N/TROUBLESHOOTING Pronto® Series 28 Part No. 1125075 Battery Charger No power to wheelch air motors. Bad connection or bl own fuse. Check Joystick connection. Batteries are dead. Check all connections and hou sings for damage.
SECTION 3—SAFETY INSPEC TION/TROUBLESHOOTING Part No. 1125075 29 Pronto® Series M61 Only Checking Battery Charge Level The following “Do’ s” and “Don’ts” are provided for your convenience and safety . Batteries have short driving range during a single charge.
SECTION 3—SAFETY INSPECTIO N/TROUBLESHOOTING Pronto® Series 30 Part No. 1125075 Field Load Test NOTE: For this procedur e, r efer to FIGURE 3.1 on page 31. Old batteries lose their ability to store and release power , due to increased internal resistance.
SECTION 3—SAFETY INSPEC TION/TROUBLESHOOTING Part No. 1125075 31 Pronto® Series FIGURE 3.1 Field Load Test Motor Testing NOTE: For this procedur e, refer to FIGURE 3.2. 1. On the 4-pin motor connector , locate the two contacts in the RED and BLACK housings.
SECTION 4—WHEELCHAIR OPERATION Pronto® Series 32 Part No. 1125075 SECTION 4—WHEELCHAIR OPERATION WARNING After any adjustments, repair or s ervice and before use, make sure that all attaching hardware is tightened securely - otherw ise injury or damage may result.
SECTION 4—WHEELCHAIR OPERATION Part No. 1125075 33 Pronto® Series M50/M51 Wheelchairs Manufactured After 8/14/05 and all M61 Wheelchairs NOTE: For this procedur e, refer to FIGURE 4.2. 1. T urn the power On by pressing the On/Off button. NOTE: After turning power On, the battery gauge indicators will light br iefly .
SECTION 4—WHEELCHAIR OPERATION Pronto® Series 34 Part No. 1125075 When first learning to drive, s elect a slow speed and try to dr ive the wheelchair as slowly as possible by pushing the joystick slightly forw ard.
SECTION 4—WHEELCHAIR OPERATION Part No. 1125075 35 Pronto® Series Adjusting the Speed M50 and M51 Wheelchairs Ma nufactured Before 8/15/05 NOTE: For this procedur e, refer to FIGURE 4.4. 1. T urn the speed control knob to adjust the speed: • Clockwise - Increase speed.
SECTION 4—WHEELCHAIR OPERATION Pronto® Series 36 Part No. 1125075 FIGURE 4.5 Adjusting the Speed - M50/M51 Wheelch airs Manufactured After 8/14/05 and All M61 Wheelchairs Using the Horn M50 and M51 Wheelchairs Manufactured Before 8/15/05 NOTE: For this procedur e, refer to FIGURE 4.
SECTION 4—WHEELCHAIR OPERATION Part No. 1125075 37 Pronto® Series M50/M51 Wheelchairs Manufactured After 8/14/05 and All M61 Wheelchairs NOTE: For this procedur e, refer to FIGURE 4.7. 1. Press the horn button located in the center of the speed indicator .
SECTION 4—WHEELCHAIR OPERATION Pronto® Series 38 Part No. 1125075 NOTE: For this procedur e, refer to FIGURE 4.8. NOTE: This procedur e applies to M61 wheelchairs only . 1. Make sure the wheelchair is on a level surface. 2. Press the mode button to switch from driving mode to elev ate mode.
SECTION 4—WHEELCHAIR OPERATION Part No. 1125075 39 Pronto® Series SPJ™Joystick Switches and Indicators NOTE: For the following inf ormation, r efer to FIGURE 4.9. NOTE: The SPJ joystick is used on M50 and M51 wheelchairs manufactur ed befor e 8/15/05 only .
SECTION 4—WHEELCHAIR OPERATION Pronto® Series 40 Part No. 1125075 Information Gauge Display Located on the front of the joystick housing, it provides the following inform ation to the user on the status o f the wheelchair - 1. P ower is On. 2. T rue state-of-battery-charge, including notification of when the battery requires charging: A.
SECTION 4—WHEELCHAIR OPERATION Part No. 1125075 41 Pronto® Series SPJ+ and SPJ+ w/ACC Joysti ck Switches and Indicators NOTE: For the following inf ormation, r efer to FIGURE 4.10. NOTE: SPJ+ joysticks ar e used on M50/M51 wheelchairs manufactured afte r 8/14/05.
SECTION 4—WHEELCHAIR OPERATION Pronto® Series 42 Part No. 1125075 On/Off Button This button is located at the front of the joystick housing. It is used to turn the wheelchair On and Off, to remove the joystick from sleep mode (if programmed) and to lock or unlock the joystick (if programmed).
SECTION 4—WHEELCHAIR OPERATION Part No. 1125075 43 Pronto® Series Joystick The joystick has proportional drive control, meaning that further the joystick is pushed from the upright (neutral) position, the f aster the wheelchair or seat mov es. Y our top speed, howev er , is limited by the programmed settings.
SECTION 5—ARMS Pronto® Series 44 Part No. 1125075 SECTION 5—ARMS WARNING After any adjustments, repair or s ervice and before use, make sure that all attaching hardware is tightened securely - otherw ise injury or damage may result.
SECTION 5—ARMS Part No. 1125075 45 Pronto® Series FIGURE 5.1 Removing/Installing Van Seat Arm an d Adjusting Van Seat Arm Width Adjusting Van Seat Arm Angle WARNING Pinch point may occur when adjust ing the arm angle pos ition. NOTE: For this procedur e, r efer to FIGURE 5.
SECTION 5—ARMS Pronto® Series 46 Part No. 1125075 FIGURE 5.2 Adjusting Van Seat Arm Height (Adjustable Height Arms Only) Replacing Van Seat Armrest Assembly NOTE: For this procedur e, refer to FIGURE 5.3. 1. If necessary , remove the joystick. Removing/Installing the Joystick on page 120.
SECTION 5—ARMS Part No. 1125075 47 Pronto® Series Removing/Installing Flip Back Armrest WARNING Make sure the flip back armrest release levers and height adjustment levers are in the locked position before using the wheelchair. NOTE: For this procedur e, refer to FIGURE 5.
SECTION 5—ARMS Pronto® Series 48 Part No. 1125075 Adjusting the Flip Back Armrest Height WARNING Make sure the flip back armrest release levers and height adjustment levers are in the locked position before using the wheelchair. NOTE: For this procedur e, refer to FIGURE 5.
SECTION 6—VAN SEAT Part No. 1125075 49 Pronto® Series SECTION 6—VAN SEAT WARNING After any adjustments, repair or s ervice and before use, make sure that all attaching hardware is tightened securely - otherw ise injury or damage may result.
SECTION 6—VAN SEAT Pronto® Series 50 Part No. 1125075 FIGURE 6.2 Adjusting the Back Angle - Fold Down Back Angle Adjusting the Headrest (Semi-Recline Only) NOTE: For this procedur e, refer to FIGURE 6.3. 1. T o raise the headrest, lift the headrest up to the desired position.
SECTION 6—VAN SEAT Part No. 1125075 51 Pronto® Series NOTE: If necessary , slightly twist seat assembly back and forth to lock it in place. 3. Release the seat lever . 4. Pull the seat assembly up to e nsure that it is locked in place. 5. Connect the joystick.
SECTION 6—VAN SEAT Pronto® Series 52 Part No. 1125075 NOTE: Refer to Detail “A” of FIGURE 6.5 for proper seat depth positions. For example, to achieve maximum seat depth, the fr ont mounting hole on th e seat back bracket alig ns with the third hole on the seat base.
SECTION 6—VAN SEAT Part No. 1125075 53 Pronto® Series Adjusting the Seat Height M50/M51 Wheelchairs NOTE: For this procedur e, refer to FIGURE 6.6. NOTE: The seat can be adjusted to five height positions in 1-inch incr ements. 1. Remove the seat. Refer to Removing/Installing the Seat Assembly on page 50.
SECTION 6—VAN SEAT Pronto® Series 54 Part No. 1125075 M61 Wheelchairs NOTE: For this procedur e, r efer to FIGURE 6.7 on page 55. NOTE: Seat height can be increased by one or tw o inches . Use the chart to determine the desire d height of the seat.
SECTION 6—VAN SEAT Part No. 1125075 55 Pronto® Series CAUTION Spacers should be placed in orientation sh own, otherwise they will interfere with the seat lever . FIGURE 6.7 Adjusting the Seat Hei ght - M61 Wheelchairs Washers Mounting Screws NOTE: Three-inch and thr ee-and-a-half mounting screws shown.
SECTION 6—VAN SEAT Pronto® Series 56 Part No. 1125075 Adjusting Seat Position on Seat Base WARNING Refer to the table in FIGURE 6.8 for prope r seat post mounting positions. For users over 220 lbs - seat MUST be in the 1-inch ba ck positio n (FIGURE 6.
SECTION 6—VAN SEAT Part No. 1125075 57 Pronto® Series FIGURE 6.8 Adjusting S eat Position on Seat Base WEIGHT LIMITATION SEAT POST MOUNTING HOLE 1-INCH BACK STANDARD 1-INCH FORWARD 300 LBS 1 Y Y N/.
SECTION 6—VAN SEAT Pronto® Series 58 Part No. 1125075 Replacing the Seat Positioning Strap WARNING ALWAYS wear your seat positioning strap. The seat positioning strap is a positioning belt only. It is not designed for use as a safety device withstanding high stress loads such as auto or aircraft safety belts.
SECTION 7—ASBA SEAT Part No. 1125075 59 Pronto® Series SECTION 7—ASBA SEAT WARNING After any adjustments, repair or s ervice and before use, make sure that all attaching hardware is tightened securely - otherw ise injury or damage may result.
SECTION 7—ASBA SEAT Pronto® Series 60 Part No. 1125075 FIGURE 7.1 Removing/Installing the Seat Assembly Adjusting the Seat Height M50/51 Wheelchairs Only NOTE: For this procedur e, r efer to FIGURE 7.2 on page 61. NOTE: The seat can be adjusted to five height positions in 1-inch incr ements.
SECTION 7—ASBA SEAT Part No. 1125075 61 Pronto® Series 4. Reinstall mounting screw . Securely tighten. 5. Reinstall the seat. Refer to Re moving/Installing the Se at Assembly on page 59.
SECTION 7—ASBA SEAT Pronto® Series 62 Part No. 1125075 M61 Wheelchairs NOTE: For this procedur e, r efer to FIGURE 7.3 on page 63. NOTE: The seat comes installed with two sets o f two 1-inch spacers. T o reduce the seat height by 1 inch, one set of th e 1-inch spacers M UST be remov ed.
SECTION 7—ASBA SEAT Part No. 1125075 63 Pronto® Series FIGURE 7.3 Adjusting the Seat Hei ght - M61 Wheelchairs Removing/Installing the Seat Pan NOTE: For this procedur e, r efer to FIGURE 7.
SECTION 7—ASBA SEAT Pronto® Series 64 Part No. 1125075 FIGURE 7.4 Removing/Installing the Seat Pan Adjusting the Seat Width The A SBA s eat wid th can not be a dju ste d an d t he seat frame must be replaced to achieve a change in seat width for the user .
SECTION 7—ASBA SEAT Part No. 1125075 65 Pronto® Series 4. Install the accessories, if ne cessary . Refer to Accessories on page 128. FIGURE 7.5 Removing/Installing the Seat Frame Adjusting the Seat Position NOTE: For this procedur e, r efer to FIGURE 7.
SECTION 7—ASBA SEAT Pronto® Series 66 Part No. 1125075 FIGURE 7.6 Adjusting the Seat Position Removing/Installing the Seat Positioning Strap NOTE: For this procedur e, r efer to FIGURE 7.7 on page 67. 1. Remove the seat cushion from the seat pan. 2.
SECTION 7—ASBA SEAT Part No. 1125075 67 Pronto® Series FIGURE 7.7 Removing/Installing the Seat Positioning Strap Removing/Installing the Back Upholstery NOTE: The back canes MUST be removed when removing/inst alling the back upholstery . Refer to Removing/Installing/Chang ing the Back Cane Height on page 67.
SECTION 7—ASBA SEAT Pronto® Series 68 Part No. 1125075 2. On the side of wheelchair with armrest removed, remove one of the mounting screws, w asher , cov ed washer and locknut that s ecures the back cane to the seat frame. 3. Cut the tie-wraps that secure the bottom of the existing back upholstery to the seat frame.
SECTION 7—ASBA SEAT Part No. 1125075 69 Pronto® Series 7. Remove the two mounting screws used to keep inserts in the back canes in STEP 3. Set mounting screws and inserts aside. WARNING The back canes MUST be fastened securely to the seat frame BEFORE using the wheelchair.
SECTION 7—ASBA SEAT Pronto® Series 70 Part No. 1125075 FIGURE 7.8 Removing/Install ing the Back Upholstery Mounting Screws Screws with Washers Back Upholstery Back Canes Washers Seat Frame Screw wi.
SECTION 7—ASBA SEAT Part No. 1125075 71 Pronto® Series Adjusting the Back Angle NOTE: For this procedur e, r efer to FIGURE 7.9 on page 72. 1. Remove t he flip back armrests from the wh eelchair . Refer to Removing/Installing Flip Back Armrest on page 47.
SECTION 7—ASBA SEAT Pronto® Series 72 Part No. 1125075 FIGU RE 7.9 Adjusting the Back Angle ANGLE BACK CANE MOUNT ING HOLE BACK ANGLE PLA T E HOLE 80 ° 85 ° 90 O 95 ° 100 ° Top Bottom Back Cane.
SECTION 8—FRONT RIGGINGS/FOOTBOARD Part No. 1125075 73 Pronto® Series SECTION 8—FRONT RIGGINGS/ FOOTBOARD WARNING After ANY adjustments, repair or service and before use, make sure all attaching hardware is tightened securely - otherw ise injury or damage may result.
SECTION 8—FRONT RI GGINGS/FOOTBOARD Pronto® Series 74 Part No. 1125075 Removing 1. Push the front rigging release lever inw ard and rotate the footrest outw ard. 2. Lift up on front rigging and remove from the wheelchair . 3. Repeat STEPS 1-2 for opposite side of wheelchair .
SECTION 8—FRONT RIGGINGS/FOOTBOARD Part No. 1125075 75 Pronto® Series Model PH904A and PH AL4A Front Riggings NOTE: For this procedur e, refer to FIGURE 8.3. 1. Loosen, but DO NOT remov e the lug bolt and locknut that secure the lower footrest to the footrest support.
SECTION 8—FRONT RI GGINGS/FOOTBOARD Pronto® Series 76 Part No. 1125075 Raising/Lowering Elevating Front Riggings NOTE: For this procedur e, refer to FIGURE 8.5. 1. P erform one of the following: • Raising - Pull back on the release lever and raise front rigging to the desired height.
SECTION 8—FRONT RIGGINGS/FOOTBOARD Part No. 1125075 77 Pronto® Series 4. Using the two socket bolts, spacers and loc knuts, secure the telescoping front rigging support to the seat frame. 5. If necessary , repeat STEPS 2-4 on remaining telescoping front rigging support.
SECTION 8—FRONT RI GGINGS/FOOTBOARD Pronto® Series 78 Part No. 1125075 3. Secure telescoping front rigging at desired depth with existing two mounting screws, spacers, and locknuts. Securely tighten. NOTE: The two telescoping fron t rigging s upports can be po sitioned at differ ent depths.
SECTION 8—FRONT RIGGINGS/FOOTBOARD Part No. 1125075 79 Pronto® Series Installing WARNING Make sure the detent balls o f the quick-release pin are fu lly released beyond the outer edge of the tube before operating the wheelchair. Otherwise, injury and/or damage may result.
SECTION 8—FRONT RI GGINGS/FOOTBOARD Pronto® Series 80 Part No. 1125075 FIGURE 8.9 Adjusting the F ootbo ard Assembly - Angle Depth NOTE: For this procedur e, refer to FIGURE 8.10. 1. Remove the quick release pin that sec ures the footb oard assembly to the wheelchair frame.
SECTION 9—WHEELS Part No. 1125075 81 Pronto® Series SECTION 9—WHEELS WARNING After ANY adjustments, repair or service and before use, make sure all attaching hardware is tightened securely - otherw ise injury or damage may result.
SECTION 9—WHEELS Pronto® Series 82 Part No. 1125075 Adjusting Caster Assembly NOTE: For this procedur e, refer to FIGURE 9.2. 1. Lift up front edge of the dust cover and remov e from head tube.
SECTION 9—WHEELS Part No. 1125075 83 Pronto® Series Removing/Installing the Front/Rear Caster Assemblies NOTE: For this procedur e, refer to FIGURE 9.2. NOTE: Front and r ear caster assemblies are r eplaced in the same manner . Removing 1. Remove the dust cov er .
SECTION 9—WHEELS Pronto® Series 84 Part No. 1125075 Removing/Installing the Drive Wheel NOTE: For this procedur e, r efer to FIGURE 9.4 on page 85. Removing the Drive Wheel 1. Fold down tab of existing locking tab w asher (Detail “ A” of FIGURE 9.
SECTION 9—WHEELS Part No. 1125075 85 Pronto® Series FIGU RE 9.4 Removing/Installing the Drive Wheel Replacing the 2-Piece Wheel Rim and/or the Foam Filled or Pneumatic Tires NOTE: For this procedur e, r efer to FIGURE 9.5 on page 86. NOTE: When replacing t he 2-piece wheel rim, DO NOT r emove tire.
SECTION 9—WHEELS Pronto® Series 86 Part No. 1125075 6. Using the four mounting screws, lock w as hers and hex nuts, secure the outer rim to the inner rim and hub. T orque hex nuts to 160 - 200-inch-lbs. 7. If pneumatic, fill tire to correct air pressure as noted on tire side w all.
SECTION 10—SHROUDS AND FRAME Part No. 1125075 87 Pronto® Series SECTION 10—SHROUDS AND FRAME WARNING After any adjustments, repair or s ervice and before use, make sure that all attaching hardware is tightened securely - otherw ise injury or damage may result.
SECTION 10—SHROU DS AND FRAME Pronto® Series 88 Part No. 1125075 FIGURE 10.1 Removing/Insta lling the Top Shroud Removing/Installing the Side Shrouds NOTE: For this procedur e, refer to FIGURE 10.2 on page 89. Removing 1. Remove the tw o screws secu ring the side shroud to the frame.
SECTION 10—SHROUDS AND FRAME Part No. 1125075 89 Pronto® Series FIGURE 10.2 Removing/Installing the Side Shrouds Removing/Installing the Front Shroud NOTE: For this procedur e, refer to FIGURE 10.3 on page 90. Removing 1. Remove the tw o screws securing the t op of the front shr oud to the frame.
SECTION 10—SHROU DS AND FRAME Pronto® Series 90 Part No. 1125075 FIGURE 10.3 Removing/Installing the Front Shroud Removing/Installing the Inner Shrouds NOTE: For this procedur e, refer to FIGURE 10.4 on page 91. Removing 1. Remove the w alking beam.
SECTION 10—SHROUDS AND FRAME Part No. 1125075 91 Pronto® Series FIGURE 10.4 Removing/Installing the Inner Shrouds Removing/Installing the Pivot Tube NOTE: For this procedur e, refer to FIGURE 10.5 on page 92. Removing 1. Remove the front headtube assembly .
SECTION 10—SHROU DS AND FRAME Pronto® Series 92 Part No. 1125075 Installing 1. If necessary , insert one bushing into each end of the pivot tube. 2. P osition the piv ot tube onto the pivot post. NOTE: Ensure the opposite end of the pivot tube is parallel to the end of the walkin g beam.
SECTION 10—SHROUDS AND FRAME Part No. 1125075 93 Pronto® Series Removing/Installing the SureStep Spring NOTE: For this procedur e, refer to FIGURE 10.6. Removing 1. Unhook the SureStep spring from the hooks on the w alking beam and the frame. Installing 1.
SECTION 10—SHROU DS AND FRAME Pronto® Series 94 Part No. 1125075 3. Hook the top of the SureStep sprin g to the hook on the w alking beam. 4. Install the front headtube assembly . Refer to Removing/Installing the Front Headtube Assembly on page 83.
SECTION 10—SHROUDS AND FRAME Part No. 1125075 95 Pronto® Series Installing 1. Secure the actuator switch sensor to the elev ate actuator using the two screws and small w ashers. Tighten securely . 2. Secure the elev ate ac tuator to the top of the frame usi ng the four button screws and w ashers.
SECTION 10—SHROU DS AND FRAME Pronto® Series 96 Part No. 1125075 FIGURE 10.8 Removing/Installing the Elevate Actuator Hex Screw Washer Frame Actuator Mounting Holes Button Screw Washer Screw Actuat.
SECTION 10—SHROUDS AND FRAME Part No. 1125075 97 Pronto® Series Removing/Installing the Actuator Switch Sensor NOTE: For this procedur e, refer to FIGURE 10.8 on page 96. NOTE: This procedur e applies to M61 wheelchairs only . Removing 1. Elev ate the seat.
SECTION 11—BATTERIES Pronto® Series 98 Part No. 1125075 SECTION 11—BATTERIES Warnings For Handling and Replacing Batteries WARNING After any adjustments, repair or s ervice and before use, make sure that all attaching hardware is tightened securely - otherw ise injury or damage may result.
SECTION 11—BATTERIES Part No. 1125075 99 Pronto® Series Using the Proper Batteries NOTE: For this procedur e, refer to FIGURE 1 1.1. 1. Place battery on ground/flat surface. 2. V isually draw a horizontal and vertical centerline through the middle of b attery (FIGURE 11.
SECTION 11—BATTERIES Pronto® Series 100 Part No. 1125075 NOTE: For this procedur e, refer to FIGURE 1 1.2 on page 101. NOTE: If ther e is batte ry acid in the bottom of the b attery tray or on the sides of the battery , apply baking soda to these ar eas to neutralize the batte ry acid.
SECTION 11—BATTERIES Part No. 1125075 101 Pronto® Series 8. Connect joystick cable (not shown). Refer to Disconnecting/Connecting the Joystick o n page 123.
SECTION 11—BATTERIES Pronto® Series 102 Part No. 1125075 WARNING Battery terminal configuration as shown in Detail “A” of FIGURE 11.3 MUST be used. Batteries that have the terminal configuration reversed MUST NOT be used - otherwise serious injury or damage may occur.
SECTION 11—BATTERIES Part No. 1125075 103 Pronto® Series FIGURE 11.3 Connecting/Disconnecting Battery Cables RED Connectors POSITIVE (+) Battery Cable POSITIVE (+) Battery terminal NEGATIVE (-) Bat.
SECTION 11—BATTERIES Pronto® Series 104 Part No. 1125075 Disconnecting Battery Cables WARNING The use of rubber gloves is recommended when working with batteries. NEVER allow any of your tools and/or battery cables to contact both battery terminals at the same time.
SECTION 11—BATTERIES Part No. 1125075 105 Pronto® Series CAUTION New batteries MUST be fully charged prior to initial use of the wheelchair. ALWAYS charge new batteries bef ore initial use or battery life will be reduced.
SECTION 11—BATTERIES Pronto® Series 106 Part No. 1125075 On-Board Battery Charger DANGER When using an extension cord, use only a thr ee wire extension cord having at least 16 AWG (American Wire Gauge) wire and the same or high er electrical rating as the device being connected.
SECTION 11—BATTERIES Part No. 1125075 107 Pronto® Series FIGURE 11.4 On-Board Battery Charger Charging Using An Independent Charger Plugged Into The Joystick WARNING Read and care fully follow th e individual instructions for each charger (supplied or purchased).
SECTION 11—BATTERIES Pronto® Series 108 Part No. 1125075 NOTE: For this procedur e, refer to FIGURE 1 1.5. NOTE: The charger port locate d on the front of the joystick r equir es the use of an independent charger . The independent charger is NOT supplied with the wheelchair .
SECTION 11—BATTERIES Part No. 1125075 109 Pronto® Series 3. Remove the fuse holder from left side of c harger next to battery charger cable and perform one of the following: • If fuse is bad, replace with new 250V , 4 amp fuse. • If fuse is good, replace ch arger .
SECTION 11—BATTERIES Pronto® Series 110 Part No. 1125075 first before replacing the b attery char ger for impr oper operation. Refer t o Replacing the On-Board Battery Char ger Fuse on page 108. 1. Remove the top shrou d. Refer to Removing/Installing the T op Shroud on page 87.
SECTION 11—BATTERIES Part No. 1125075 111 Pronto® Series FIGURE 11.7 Replacing the On-Board Battery Charger Batter y Charge r Battery Charger Connector Cable Tie-Wraps Hook and Loop Strip DETAIL .
SECTION 12—MOTORS Pronto® Series 112 Part No. 1125075 SECTION 12—MOTORS WARNING After ANY adjustment s, repair or serv ice and before use, make sure that all attaching hardware is tightened securely. ALWAYS turn the wheelchair power Off before repairing or servicing the wheelchair, otherwise injury or damage may occur.
SECTION 12—MOTORS Part No. 1125075 113 Pronto® Series 16. Reverse ST EPS 1 - 8 to reassemble the base. FIGURE 12.1 Removing/Installing the Motor Three Short and Three Long Mounting Screws Motor NOTE: Drive wheel shown exploded from the motor drive shaft for clarity .
SECTION 12—MOTORS Pronto® Series 114 Part No. 1125075 Engaging/Disengaging Motor Release Lever WARNING DO NOT engage or disengage the motor re lease lever until th e On/Off switch on the joystick is in the Off position.
SECTION 12—MOTORS Part No. 1125075 115 Pronto® Series Removing/Installing the Motor Release Lever NOTE: For this procedur e, refer to FIGURE 12.3. NOTE: Reverse this pr ocedure to in stall the motor r elease lever . 1. Remove the side shroud. Refer to Removing/Installing the Side Shrouds on page 88.
SECTION 12—MOTORS Pronto® Series 116 Part No. 1125075 Replacing Motor Brushes NOTE: For this procedur e, refer to FIGURE 12.4 on page 1 18. 1. T urn power Off. 2. Disengage motors. Refer to Engaging/Disengaging Motor Release Lev er on page 114. 3. Remove the tw o end cap screws on the end cap.
SECTION 12—MOTORS Part No. 1125075 117 Pronto® Series 11. If new motor brush w as installed, perform the following process: NOTE: This process, also c alled Brush Burn-in or F inger Printing Process, is necessary to seat the brush to the commutator p lates inside the motor for optimum performance of the motor .
SECTION 12—MOTORS Pronto® Series 118 Part No. 1125075 FIGURE 12.4 Replacing Motor Brushes Electro-Mechanical Parking Brake Testing NOTE: For this procedur e, refer to FIGURE 12.5 on page 1 19. NOTE: This procedur e should only be performed on wheelchairs with conventional motor/gearbox assembly .
SECTION 12—MOTORS Part No. 1125075 119 Pronto® Series WARNING A shorted electro-mechanical brake will damage the brake output section in the controller. DO NOT connect a shorted el ectro-mechanical brake to a good controller module. A shorted brake MUST be replaced .
SECTION 13—ELECTRONICS Pronto® Series 120 Part No. 1125075 SECTION 13—ELECTRONICS WARNING After any adjustments, repair or s ervice and before use, make sure that all attaching hardware is tightened securely - otherw ise injury or damage may result.
SECTION 13—ELECTRONICS Part No. 1125075 121 Pronto® Series FIGURE 13.1 Removing/Installing the Joystick Repositioning the Joystick Mounting Bracket Van Seat NOTE: For this procedur e, refer to FIGURE 13.2 on page 122. NOTE: T ake note of position and orientation o f mounting hardwar e for reinstalling the joystick assembly .
SECTION 13—ELECTRONICS Pronto® Series 122 Part No. 1125075 5. Using the three hex mounting screws, spa cers and locknuts s ecure the mounting bracket to the three mounting holes of the arm fram e. 6. If necessary , perform the following to reposition the adjustment lock: A.
SECTION 13—ELECTRONICS Part No. 1125075 123 Pronto® Series FIGURE 13.3 Repositioning the Joystick Mounting Bracket - ASBA Seat Disconnecting/Connecting the Joystick NOTE: For this procedur e, refer to FIGURE 13.
SECTION 13—ELECTRONICS Pronto® Series 124 Part No. 1125075 FIGURE 13.4 Disconnecting/Connecting the Joystick Adjusting the Quad-Link Retractable Mount NOTE: This pr ocedure is for quad-link r etractable mounts manufactur ed befor e 4/7/06.
SECTION 13—ELECTRONICS Part No. 1125075 125 Pronto® Series FIGURE 13.5 Adjusting Lock/Release Tension Replacing the Controller WARNING DO NOT attempt to perform this procedur e with any power supplied to the wheel chair. The joystick and batteries MUST be disconnected prior to beginning to remove the controller m odule.
SECTION 13—ELECTRONICS Pronto® Series 126 Part No. 1125075 7. P erform one of the following: • Non-elev ating seats - Disconnect the con troller charger cable from the controller (Detail “ A”). • Elev ating seats - Disconnect the actuator cable from the controller (Detail “B”).
SECTION 13—ELECTRONICS Part No. 1125075 127 Pronto® Series Wire Routing FIGURE 13.7 Wire Routi ng Motor Lead Battery Charger Connector Cable Proximity Switch Connectors Actuator Cable Connectors Ba.
SECTION 14—ACCESSORIES Pronto® Series 128 Part No. 1125075 SECTION 14—ACCESSORIES WARNING After any adjustments, repair or s ervice and before use, make sure that all attaching hardware is tightened securely - otherw ise injury or damage may result.
SECTION 14— ACCESSORIES Part No. 1125075 129 Pronto® Series Installing/Removing the Oxygen Holder WARNING Contact you r oxygen supplier for instructions in the use of oxyge n. Extreme care MUST be exercised when using oxygen in close proximity to electric circuits.
SECTION 14—ACCESSORIES Pronto® Series 130 Part No. 1125075 Installing/Removing/Using the Walker Holder INSTALLATION WARNINGS After any adjustments, repair or s ervice and before use, make sure that all attaching hardware is tightened securely.
LIMITED WARRANTY Part No. 1125075 131 Pronto® Series LIMITED WARRANTY For w arranty information, please refer to the original owner's manual which came with this product, or contact Inv acare for more information.
Invacare Corporati on www.invacare.com USA One Invacare Way Elyria, Ohio USA 44036-2125 800-333-6900 Canada 570 Matheson Blvd E Unit 8 Mississauga Ontario L4Z 4G4 Canada 800-668-5324 Invacare, SureStep,Yes, you can., the Medallion Design and Pronto are registered trademarks of Invacare Corporation.
An important point after buying a device Invacare M50 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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However, one of the most important roles played by the user manual is to help in solving problems with Invacare M50. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Invacare M50 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
