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Braun Under-Vehicle Lift NUVL855C Service Manual

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Under-Vehicle Lift
31937
Private Use Wheelchair Lifts
DOT — Private Use Lift
DOT — Private Use Lift
"DOT — Private Use Lift" verifies that this platform lift meets only
the "private use lift" requirements of FMVSS No. 403. This lift may
be installed on all vehicles appropriate for the size and weight of
the lift, except for buses, school buses, and multi-purpose
passenger vehicles other than motor homes with a gross vehicle
weight rating (GVWR) that exceeds 4,536 kg (10,000 lb).
"Providing Access to the World"
International Corporate Hdqrs: P .O. Box 310
1-800-THE LIFT
www.braunlift.com
35932 Rev. A
March 2010
Service Manual for:
Winamac, IN 46996 USA
®
(574) 946-6153
FAX: (574) 946-4670
W ARNING
®
Read manual
before operating
lift. Failure to do
so may result in
®
serious bodily
®
injury and/or
property damage.
Keep manual in
lift storage pouch.

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Summary of Contents for Braun Under-Vehicle Lift NUVL855C

  • Page 1 Service Manual for: W ARNING Under-Vehicle Lift ® 31937 Private Use Wheelchair Lifts DOT — Private Use Lift DOT — Private Use Lift “DOT — Private Use Lift” verifies that this platform lift meets only the “private use lift” requirements of FMVSS No. 403. This lift may be installed on all vehicles appropriate for the size and weight of the lift, except for buses, school buses, and multi-purpose passenger vehicles other than motor homes with a gross vehicle...
  • Page 2 Congratulations We at The Braun Corporation wish to express our fullest appreciation on your new purchase. With you in mind, our skilled craftsmen have designed and assembled the finest lift available. This manual includes safety precautions, lift operating instructions, man- ual operating instructions, and instructions for maintenance and lubrication procedures.

  • Page 3: Table Of Contents

    Contents Warranty/Registration Instructions ....2, 3 Lift Passengers Lift Terminology Passenger Orientation (Boarding Direction) ..20 Lift Terminology Illustration ........4 Vehicle (Floor Level) Loading and Introduction ..............5 Unloading ............2 Lift Components ............ 6, 7 Wheelchair-Equipped Occupant Seat Belts ..2, 22 Vehicle and Lift Interlocks .........

  • Page 4: Warranty/Registration Instructions

    (outboard end). age. Notify the carrier at once to The Braun Corporation. The A second I.D. tag is located inside with any claims. limited warranty is provided in the pump module.
  • Page 5 DOT Public Use Lift MODEL# NAME XXXXXXXXXX ADDRESS Max. Lifting Capacity - 600Lbs. CITY Serial No. SERIAL NUMBER TELEPHONE STATE XX-XXXXX TO VALIDATE WARRANTY REGISTRATION CARDS MUST BE RETURNED TO THE BRAUN CORPORATION. Date of Manufacture MFG DATE Sample Warranty/Registration Card XX/XX/XXXX Page 3...

  • Page 6: Lift Terminology Illustration

    Lift Terminology Lift Mounting Hand-Held Brackets (6) Illustration Hydraulic Pendant Control Cylinders Inboard Locator Rolling Horizontal Arms W AR h T-ha lock ually ndle Failu befo e plat fully resu lt in lock driv plat form plat loym unin plat form vehi resu...

  • Page 7: Introduction

    Lift Terminology Introduction: Terminology: Become familiar Braun NUVL Series lifts are Refer to the Lift Terminology ADA compliant and comply fully with the terminology that will be Illustration for identification of with National Highway Traffic used throughout this manual. lift components.

  • Page 8: Lift Components

    Lift Terminology regarding control switches and Platform Assembly: The lift plat- Lift Components their functions are provided in the form assembly consists of the flat Lift Operation section. aluminum plate upon which the Refer to the Lift Terminology Il- wheelchair is positioned, the outer lustration on page 4.

  • Page 9: Vehicle And Lift Interlocks

    The inboard operation. The lift will not func- Braun Corporation NUVL Series locator automatically rotates from tion if the inboard locator or outer lifts comply fully with all NHTSA the horizontal position to the verti- barrier are occupied.

  • Page 10: Lift Actions And Functions

    Lift Terminology level (fully-raised) position when tion to fully-lowered (ground level) Lift Actions and Functions: position when the DOWN switch the UP switch is pressed. When Deploy (Extend): Lift deploy- the lift is fully lowered, press- is pressed. ment is the action of the lift plat- ing the UP switch first raises the form carriage assembly extend- DOWN - Outer Barrier Un-...

  • Page 11: Lift Operation Safety

    CAUTION Lift Operation Safety CAUTION Safety Symbols SAFETY FIRST! Know That..All information contained CAUTION W ARNING in this manual and supplements (if included), is pro- This symbol indicates This symbol indicates vided for your safety. Familiarity important safety important information with proper operation instructions information regarding regarding how to...

  • Page 12: Lift Operation Safety Precautions

    The Braun Load and unload on level surface only. W ARNING Corporation immedi- ately. Failure to do so Engage vehicle parking brake before operating lift.
  • Page 13 Lift Operation Safety W ARNING Whenever a wheelchair passenger (or standee) is on the platform, the: • Passenger must face outward. • Wheelchair brakes must be locked • Inboard locator and outer barrier must be up (vertical) W ARNING Load and unload clear of vehicular traffic. W ARNING Do not overload or abuse.
  • Page 14 W ARNING Turn powered (electric) wheelchairs off when on lift platform. contact The Braun W ARNING Press the DOWN switch until the entire platform rests on Corporation immedi- ground level (lowered fully) and the outer barrier is fully ately.
  • Page 15 Keep owner’s (operator's) manual in lift vehicle at all times. W ARNING Never modify (alter) a Braun Corporation lift. W ARNING Do not use accessory devices not authorized by The Braun Corporation. W ARNING Do not remove any guards or covers. W ARNING Keep clear of any hydraulic leak.

  • Page 16: Operation Notes And Details

    If this information is operator(s) are not provided. chair passengers and bystand- not fully understood, ers must keep clear of the area contact The Braun It is the responsibility of the in which the power doors (if Corporation immedi- lift operator (attendant and/or equipped), and the lift operates ately.

  • Page 17: Control Switches

    Operation Notes and Details Control Switches Hand-held Pendant Control: Lift Power ON/OFF Switch: This The hand-held attendant's pen- switch must be in the ON position dant control is equipped with four in order to activate the lift. The DOOR STOW push button switches (DOOR, Power Indicator Light illuminates STOW, DOWN and UP).
  • Page 18 Braun products. Braun market control systems. control systems are the only W ARNING control systems authorized for use with Braun products. Discontinue lift use immediately if any lift Do not attempt to interface component does not aftermarket control systems operate properly.

  • Page 19: Lift Features

    Operation Notes and Details position to provide a bridge plate Lift Features (rotates) to the vertical position when the platform extends from between the platform and the the stow position. vehicle floor. The inboard locator must rest solidly on the vehicle Inboard locator: The floor (minimum 1½"...
  • Page 20 Operation Notes and Details Discontinue lift operation imme- Although the outer barrier is W ARNING diately if the inboard locator does lift-powered, activation of the not operate properly. barrier is controlled by the lift Discontinue lift use operator. Pressing the DOWN immediately if any Outer Barrier: The outer barrier switch unfolds the barrier.

  • Page 21: Outer Barrier

    Operation Notes and Details The lift operator must view the level for any reason (contact tion). Note: The outer barrier platform as it lowers to be certain with an obstruction, mechanical must be fully unfolded until the the entire platform reaches and failure, exceeding the lift "floor- entire wheelchair (or standee) has rests safely on the ground.

  • Page 22: Lift Passengers

    Operation Notes and Details pacity of the lift. The lift attendant Lift Passengers W ARNING (or others) should not ride on the platform with the passenger. If you are an attendant operating Whenever a Passenger Orientation (Board- the lift, it is your responsibility to passenger is on the ing Direction): The wheelchair perform safe loading and unload-...

  • Page 23: Vehicle (Floor Level) Loading And Unloading

    Corporation sales representative lift component does the wheelchair lift in your area or call The Braun not operate prop- platform. Failure to Corporation at -800-THE LIFT erly. Failure to do so do so may result in ®...

  • Page 24: Wheelchair-Equipped Occupant Seat Belts

    Operation Notes and Details Lift Passengers Operation Procedure Review restraint) before loading onto a The Braun Corporation recom- cal abilities and the physical wheelchair lift. mends that the wheelchair lift characteristics of your personal user and/or attendant review the wheelchair). Become familiar...

  • Page 25: Preventive Maintenance

    Operation Notes and Details Preventive Maintenance: W ARNING Maintenance is necessary to Regular preventive maintenance Maintenance and ensure safe and trouble free lift will reduce potential lift opera- lubrication procedures operation. General preventive tion downtime and increase the must be performed lift maintenance consisting of service life of the lift, as well as by authorized service...

  • Page 26: Lift Operating Instructions

    Replace any missing, worn or If this information is illegible decals. be UP. not fully understood, Failure to do so may contact The Braun If your lift does not function as result in serious Corporation immedi- intended or the audible warning bodily injury and/or ately.
  • Page 27 Lift Operating Instructions OPEN DOOR(S) AND SECURE: TO UNLOAD PASSENGER: Power Door Operator(s): . Read Note below! Load passenger onto platform facing outward and Proceed to "TO DEPLOY lock wheelchair brakes. PLATFORM." Note: Passenger must be posi- Manual Door(s): tioned in the center of the lift plat- form and the outer barrier must be Manually open door(s) fully and secure.
  • Page 28 Lift Operating Instructions TO LOAD PASSENGER: TO STOW PLATFORM: . Read Notes below! Load passen- Press STOW switch until platform ger onto platform facing outward stops (lowers to stow level and retracts and lock wheelchair brakes. fully). Release switch. Note: Outer barrier must be fully unfolded (ramp position) until the entire wheelchair (or standee) has crossed the outer barrier.

  • Page 29: Nhtsa Operations Checklist

    NHTSA Operations Checklist The following operations have been verified upon W ARNING installation. This operational checklist can be used at any time to verify the lift is fully functional. Discontinue lift use immediately if any lift Verified: or vehicle interlock does not operate Vehicle movement is prevented unless the lift door properly.

  • Page 30: Manual Operating Instructions

    Manual Operating Instructions VALVE T-Handle Hand Pump OPEN I N G T -h a ll d le lo c fu ll e fo la tf il u re s o rm d ri u lt p la lo c v in tf o p lo p la...
  • Page 31 Manual Operating Instructions Cable-Activated Platform Manual Release System W ARNING A cable-activated manual re- Ensure the platform is locked lease system engages the before driving lift vehicle. Failure platform carriage assembly to lock the platform carriage as- drive chain. Disengaging the sembly will allow the platform to drive chain allows the platform roll in or out of housing unhin-...
  • Page 32 Manual Operating Instructions Manual Hand Pump The manual hand pump is used to lower and raise the platform. Release Valve approximate /6” intervals maximum Valve Tightening 30 inch lbs Specification: minimum Once valve seats 5 inch lbs (stops), tighten 5 to 30 inch pounds seats as shown.
  • Page 33 VALVE 31637-005.ai Manual Operating Instructions VALVE Refer to Figures A-D for the Manual Operating Instructions on page 32. POWER Note: Inboard locator automatically functions during manual operations. PACK Figure A Figure B Figure C Figure D OPEN CLOSE VALVE VALVE 31637-005.ai POWER PACK...
  • Page 34 Manual Operating Instructions IN (To Stow Platform): OUT (To Extend Platform): DOWN (To Unfold Outer Barrier): . Remove hairpin cotter from . Raise or lower platform to . Pull T-Handle (see Figure A). detent pin (see Figure D). stow level (follow UP or 2.

  • Page 35: Decals And Antiskid

    Decals and Antiskid Decal Placement W ARNING 29055 (not visible) Replace missing, worn 29058 or illegible decals. (not visible) 889 29064 Failure to do so may 2494 29440 29065 result in serious bodily injury and/or property 29060 damage. 2377 889 The lift is only as safe as the operator.
  • Page 36 Decals and Antiskid Decals AI/81814 Overall Size: 3 3/16" Wide x 2 1/4" Tall 883 29440 884 W ARNING W ARNING W ARNING Face outward and lock wheelchair Keep clear of stepwell when brakes before operating lift. operating lift. 81814 81813 29059 29055...
  • Page 37 Decals and Antiskid Decals 889 340 34 2846 AI/81819 31410 (5-05).ai 31411.ai D ANGER W ARNING MANUAL OPERATION MANUAL OPERATION KEEP CLEAR OF MOVING PARTS • Read manual before operating lift. 81819 • Load and unload on level surface only. •...
  • Page 38 Decals and Antiskid Antiskid Inspect your lift for any missing or worn antiskid. Order as needed. W ARNING Note: Clean surfaces with isopropyl alcohol before decal or antiskid application. Use a clean cloth or paper towels. Do not use oily shop Replace missing or rags.

  • Page 39: Maintenance And Lubrication

    Braun authorized service repre- which could result Failure to do so may sentative at the scheduled intervals according in wear or damage result in serious to the number of cycles.
  • Page 40 Contact your sales repre- Maintenance Indicator: The Lift Ready green sentative or call The Braun Corporation at -800- LED mounted on top of the pump cover will change THE LIFT .
  • Page 41 Drive Chain and Rollers Drive Chain Release Latch Hydraulic Cylinder Pivot Carriage Points Rollers Eccentric (bearings) Shaft Torque Rollers Tube (bearings) Hydraulic Pivot Cylinder Points Lifting Arm Pivot Pivot Points Points and Rollers Rolling (bearings) Horizontial Carriage Tube Slot Area Eccentric Shaft Rollers (bearings)
  • Page 42 Maintenance and Lubrication Schedule Outer barrier and lower closure pivot points Apply Light Oil - See Lubrication Diagram Outer barrier detent pin pivot points (2) Apply Light Oil - See Lubrication Diagram Inboard locator hinge pivot points Apply Light Oil - See Lubrication Diagram Inboard locator linkage pivot points Apply Light Oil - See Lubrication Diagram Inboard locator latch...
  • Page 43 Maintenance and Lubrication Schedule Check drive chain tension. Pull out and lock manual release cable. Adjust chain tension as needed. See Drive Chain Adjust- ment in Service Manual. Resecure, replace or correct as needed. See Inspect inboard locator and linkage for: •...
  • Page 44 Maintenance and Lubrication Schedule Perform all procedures listed in previous section also Carriage rollers (bearings) Apply Light Oil - See Lubrication Diagram Eccentric shaft rollers (bearings) Apply Light Oil - See Lubrication Diagram Lifting arm slots in rolling horizontal Apply Door Ease - See Lubrication Diagram. Apply carriage arm tubes.
  • Page 45 Maintenance and Lubrication Schedule Inspect drive chain release latch mecha- Correct or replace damaged parts and/or relubri- nism for proper operation, positive cate. securement, wear or other damage Ensure T-handle release and cable assembly Inspect platform cable-activated manual operate properly (see Manual Operation). Ensure release system (T-handle/cable assem- bly and carriage movement) carriage can be manually extended and retracted...
  • Page 46 Resecure, repair or replace if needed. Perform all procedures listed in previous section also Hydraulic Fluid (Pump) - Check level. Use Braun 87010R (5606 aviation fluid). Do not mix Note: Fluid should be changed if there with Dextron lll or other hydraulic fluids. Check fluid 4500 is visible contamination.
  • Page 47 Maintenance and Lubrication Schedule Inspect lifting arm bushings and pivot Replace if needed. pins for visible wear or damage Inspect outer barrier pivot pin mounting Tighten or replace if needed bolts (2) 4500 Mounting Check to see that the lift is securely anchored to the Cycles vehicle and there are no loose bolts, broken welds, or stress fractures.

  • Page 48: Limited Warranty

    Braun, or, if the dealer places the product into any type of service prior to retail sale, on the date the dealer first places the product in such service.
  • Page 49 Braun reserves the right to make changes in the design or material of its products without incurring any obligation to incorporate such changes in any previously manufactured product. Braun makes no warranty as to the future performance of this product, and this limited warranty is not intended to extend to the future performance of the product.
  • Page 50 SURVIVE ANY DETERMINATION THAT THIS LIMITED WARRANTY OR ANY IMPLIED WARRANTY HAS FAILED OF ITS ESSENTIAL PURPOSE. This warranty does not cover, and in no event shall Braun be liable for towing charges, travel, lodging, or any other expense incurred due to the loss of use of the product or other reason.
  • Page 51 (30) days for repairs to be com- pleted, you must, to the extent permitted by law, notify Braun directly, in writing, at the above address, of the unsuccessful repair(s) of the alleged defect(s) so that Braun can become directly involved in providing service pursuant to the terms of this limited warranty.
  • Page 52 You must inspect the product for this type of damage when you take delivery. If you find any such defect or damage you must notify the selling dealer, or Braun, at the time of delivery to have these items covered by this limited warranty and to have work performed on the items at no cost to you as provided by this limited warranty.
  • Page 53 Braun will do and does not guarantee anything about the product for any time period. Nothing in this warranty, or any action of Braun, or any agent of Braun, shall be interpreted as an extension of any warranty period or the filing limitation period in this paragraph. Some states do not allow a reduction in the statute of limitations, so this reduction may not apply to you.
  • Page 54 Braun. Braun agrees to repair or replace any of its factory installed parts found to have substantial defects within the appropriate warranty period designated above, provided that the repair is authorized by Braun and car- ried out by an authorized service center (a Braun labor schedule determines the cost allowance for repairs).
  • Page 55 "Providing Access to the World" ® Over 300 Braun Dealers Worldwide...
  • Page 56 All illustrations, descriptions and specifications in this manual are based on the latest product information available at the time of publication. The Braun Corporation reserves the right to make changes at any time without notice. at the time of publication. The Braun Corporation reserves the right to make changes at any time without notice.

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