BraunAbility Millennium 2 NL Series Service Manual

BraunAbility Millennium 2 NL Series Service Manual

Public use lift
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Manufacturing Revision Level: Rev. G
405417 Rev. A
November
2019
Service Manual
Millennium 2
NL
DOT — Public Use Lift
"DOT — Public Use Lift" veri es that this platform lift meets the
"public use lift" requirements of FMVSS No. 403. This lift may be
installed on all vehicles appropriate for the size and weight of the
lift, but must be installed on 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).
631 West 11th Street, Winamac, IN 46996, USA
Phone: +1 574 946 6153 • Fax: +1 574 946 4670
www.braunability.com
W ARNING
Read manual
before installing
or servicing lift.
Failure to do so
may result in
serious bodily
injury and/or
property damage.

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Summary of Contents for BraunAbility Millennium 2 NL Series

  • Page 1 (GVWR) that exceeds 4,536 kg (10,000 lb). Manufacturing Revision Level: Rev. G W ARNING 631 West 11th Street, Winamac, IN 46996, USA Phone: +1 574 946 6153 • Fax: +1 574 946 4670 www.braunability.com Read manual before installing or servicing lift. Failure to do so...
  • Page 2 A second I.D. tag is located on the opposite pump side tower. I.D. tags have the product Login to BraunAbility portal to submit warranty identification information needed to file a warranty registration. A copy of the warranty is provided in claim or to order parts.
  • Page 3: Table Of Contents

    Top Parallel Arm Assembly........34 Bottom Parallel Arm Assembly ......35-36 Hydraulic Cylinder Assembly - Main......37 Vertical Arm Assembly..........38 Arm Cover Assembly..........39 Handrail Assembly ........... 40 Platform Assembly ............41-44 Warranty BraunAbility Limited Warranty ......... 45-47 ® Page 1...
  • Page 4: Lift Terminology

    Lift Terminology Visual Threshold Warning Pump Module (Front) Main Cylinders (2) Audible Threshold Warning Hand-Held Pendant Control (not visible) Top Parallel Arms (2) Adjustable Quiet-Ride Stow Blocks (2) Towers (2) Unfold Assist Compression Springs (2) Platform Lights (2) Vertical Arm Covers (4) Threshold Warning Handrails (2)
  • Page 5: Switch And Sensor Locations

    Switch and Sensor Locations *Up & Unfold Microswitch Assy. 975-4121A *Up Microswitch *Unfold Microswitch Pump Side IB Occupied Microswitch *Stow Interlock Threshold Strip Switch Microswitch 33337A *Threshold / Alarm & Partial Fold *Pump Side Microswitch Assy. IB Occupied & 975-4121A *Threshold / Alarm Stow Interlock Assy.
  • Page 6: Certification Checklist Diagnostic Procedures

    6. Remove the threshold warning plate and replace non-functioning threshold switch. 7. Repeat Step 4. If warning is still not activated, call BraunAbility Aftersales. • Platform movement is prohibited beyond the position where the inner roll stop is fully deployed (up).
  • Page 7: Platform Fold Pressure Adjustment

    Platform Fold Pressure Adjustment 1. Verify Tower 4 (Fold) Switch Adjustment on page 8. 2. Position the platform at the floor level loading position. 3. Loosen the hex nut on the adjustment screw (do not remove hex nut). 4. Turn the adjustment screw counter clockwise Note: Secure adjustment until the platform does not fold when the Fold screw and tighten hex...
  • Page 8: Platform Angle Adjustment

    Platform Angle Adjustment Lowering Sequence Requirements Figure C 1. The outboard end (toe) of the platform must contact the ground first to ensure the spring-loaded outer barrier unfolds fully. See Figure C. Barrier 2. The inboard end (heel) of the platform must lower fully Heel (vertical arms must contact ground when fully lowered).
  • Page 9: Platform Stop Blocks

    Platform Angle Adjustment Adjustment Allen screws are To raise the outboard end of Note: Both adjustment screws platform - turn adjustment must be adjusted equally. provided on each side of the lift platform for adjusting the platform screw clockwise. angle. Adjust platform angle as Apply Loctite to adjustment ®...
  • Page 10: Tower Microswitch Adjustment

    Tower Microswitch Adjustment TOWER TOWER TOWER TOWER 32943 32942 Figure E TOWER TOWER TOWER TOWER 32942 32943 Note: Left (rear) pump lift Note: Review adjustment TOWER TOWER TOWER TOWER depicted. Right (front) pump procedures below and adjust lift is a mirrored image. as needed only.
  • Page 11: Lubrication Diagram

    Outer Barrier Lever Bearings Lever Guide Slot (Both Sides) Figure F See the Maintenance/Lubrication Schedule for recommended applications per number of cycles. Specified (recommended) Available BraunAbility Lubricant Type Lubricant Amount Part No. Light Penetrating Oil LPS2, General Purpose 16 oz.
  • Page 12: Maintenance And Lubrication Schedule

    Failure to do so may BraunAbility dual parallel arm lifts are equipped with and will vary according result in serious bodily hardened pins and self-lubricating bushings to de- to lift use and conditions.
  • Page 13 Maintenance and Lubrication Schedule See Certification Checklist Diagnostic Procedures. Verify FMVSS 403 / 404 Certification Checklist. Correct as needed. Inspect lift for wear, damage or any abnormal condition. Correct as needed. Inspect lift for rattles. Cycles Place platform at floor level and remove drain plug Check roll stop cylinder for leaks.
  • Page 14 • Relays, fuses, power switch and lights for securement or damage Perform all procedures listed in previous section also Hydraulic Fluid (Pump) - Check level. Note: Fluid Use BraunAbility 32840-QT (Exxon Univis HVI ® should be changed if there is visible contamination.
  • Page 15 Maintenance and Lubrication Schedule Inspect vertical arm plastic covers Resecure or replace if needed. Inspect power cable Resecure, repair or replace if needed. Mounting Check to see that the lift is securely anchored to 4500 the vehicle and there are no loose bolts, broken Cycles welds, or stress fractures.
  • Page 16 NOTES This page intentionally left blank. Page 14...
  • Page 17: Lift Electrical Schematic

    Lift Electrical Schematic PLATFORM LED LIGHTS RD(18) DESCRIPTION SYMBOL (OPTION) BK(18) INNER ROLL STOP RAISED SWITCH WH(18) RD(18) GN(20) CAPACITOR BK(18) BK(18) RD(18) BK(22) BK(20) RD(22) RD(20) LIFT MICROSWITCH GN(20) LIGHT WH(18) RD(18) SWITCH BOX BK(18) BK(18) RD(18) RELAY DIODE RD(18) BRIDGING OR(20)
  • Page 18: Lift Wiring Diagram

    Lift Wiring Diagram Platform LED Lights (Option) Light Relay RD(18) Counter 9 10 4-COND WIRE CODE 4-COND WIRE CODE COLOR COLOR 12-COND WIRE CODE 12-COND WIRE CODE GN(18) BLACK(18) BLACK(18) COLOR COLOR BLUE(18) RED(18) BROWN(20) BROWN(20) WHITE(18) WHITE(18) BLUE(20) BLUE(20) NOT USED NOT USED BLACK(20)
  • Page 19: Hydraulic Schematic

    Hydraulic Schematic .50 GPM .50 GPM Main Relief Orifice Orifice Valve Platform Outer Barrier PUMP Fold Relief Fold Relief Main Relief Orifice Solenoid Valve Solenoid Valve Orifice 2500 Valve Down Platform Outer Barrier Roll Stop Down Valve PUMP Fold Relief Fold Relief Solenoid Valve Solenoid Valve...
  • Page 20: Hydraulics Parts List

    Down” Valve and Fold Relief” Valve (complete) (complete) Coil Coil Hydraulic Fluid #400783 #400783 When adding or chang- ing hydraulic fluid, use BraunAbility 32840-QT (Exxon Univis HVI 26) ® hydraulic fluid (do not mix with Dextron III or Cartridge Cartridge other hydraulic fluids). #26078 #31121 Page 18...
  • Page 21: Hydraulics Diagram

    Hydraulics Diagram Hydraulic Repair For repair of a hydraulic hose or cylinder, read this. Service Bulletin 27049 Hydraulic Pump Page 19...
  • Page 22: Rear Pump Module Parts Lists & Diagrams

    Rear Pump Module Parts List Applicable for NL917IB-2 / NL919IB-2 / NL917IB3454-2 NL917IB-2 NL919IB-2 Item Qty. Description NL917IB3454-2 Pump Module, 12 Volt, Rear (See Note below) 947-5516RNAKS Pump Assembly (M268-0146) 12V-120G - Mahle Motor w/Lee Check (Inc. Items 1, 2 & 20) tSee note below 404862 Solenoid, Up - 4-Post Trombetta - Angle tSee note below 35310...
  • Page 23 Rear Pump Module Diagram Applicable for NL917IB-2 / NL919IB-2 / NL917IB3454-2 Pump Mounting Bolts Apply Loctite Threadlocker Red 271™ ® or equivalent to the three pump mount- ing bolts (item 25) if a blue nylon patch is not present on the bolts when retrofit- Note: Rear pump module shown, ting an M268 pump assembly.
  • Page 24: Pump Module

    Rear Pump Module Parts List Applicable for NL917IB3751-2 Item Qty. Description NL917IB3751-2 Pump Module, 12 Volt, Rear tSee note below 947-5516RNAKS Pump Assembly (M268-0144) 12V-120G - Mahle Motor w/Lee Check (Inc. Items 1, 2 & 20) tSee note below 404114 Solenoid, Up - 4-Post Trombetta - Angle tSee note below 35310 Housing, Pump (Complete Assembly 947-2513RNA or 947-2513FNA Includes Items 3 - 17) tSee note below...
  • Page 25 Rear Pump Module Diagram Applicable for NL917IB3751-2 Pump Mounting Bolts Apply Loctite Threadlocker Red 271™ ® or equivalent to the three pump mount- ing bolts (item 25) if a blue nylon patch is not present on the bolts when retrofit- Note: Rear pump module shown, ting an M268 pump assembly. front pump module mirror image.
  • Page 26: Front Pump Module Parts Lists & Diagrams

    Front Pump Module Parts List Applicable for NL917FIB-2 / NL919FIB-2 / NL917FIB3454-2 NL917FIB-2 Item Qty. Description NL917FIB3454-2 NL919FIB-2 Pump Module, 12 Volt, Rear 947-5516FNAKS 947-5516FNAKS Pump Assembly (M268-0146) 12V-120G - Mahle Motor w/Lee Check (Inc. Items 1, 2 & 20) tSee note below 404862 404862 Solenoid, Up - 4-Post Trombetta - Angle tSee note below...
  • Page 27 Front Pump Module Diagram Applicable for NL917FIB-2 / NL919FIB-2 / NL917FIB3454-2 Pump Mounting Bolts Apply Loctite Threadlocker Red 271™ ® or equivalent to the three pump mount- ing bolts (item 25) if a blue nylon patch is not present on the bolts when retrofit- ting an M268 pump assembly. Note: Front pump module shown, rear pump module mirror image.
  • Page 28 Front Pump Module Parts List Applicable for NL917FIB3751-2 Item Qty. Description NL917FIB3751-2 Pump Module, 12 Volt, Rear tSee note below 947-5516FNAKS Pump Assembly (M268-0146) 12V-120G - Mahle Motor w/Lee Check (Inc. Items 1, 2 & 20) tSee note below 404862 Solenoid, Up - 4-Post Trombetta - Angle tSee note below 35310 Housing, Pump (Complete Assembly 947-2513FNA Includes Items 3 - 17) tSee note below...
  • Page 29 Front Pump Module Diagram Applicable for NL917FIB3751-2 Pump Mounting Bolts Apply Loctite Threadlocker Red 271™ ® or equivalent to the three pump mount- ing bolts (item 25) if a blue nylon patch is not present on the bolts when retrofit- ting an M268 pump assembly. Note: Front pump module shown, rear pump module mirror image.
  • Page 30: Base Plate Assembly

    Exploded Views and Parts Lists Base Plate Assembly Applicable Lift: NL917IB-2 DWG. NOTES 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 2X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. 3) APPLY LOCTITE THREADLOCKER RED 271™ OR EQUIVALENT TO ALL #25527 SCREWS. ®...
  • Page 31 Exploded Views and Parts Lists Base Plate Assembly Applicable Lift: NL917FIB-2 DWG. NOTES 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 2X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. 3) APPLY LOCTITE THREADLOCKER RED 271™ OR EQUIVALENT TO ALL #25527 SCREWS. ®...
  • Page 32 Exploded Views and Parts Lists Base Plate Assembly Applicable Lifts: NL917IB3454-2 NL919IB-2 DWG. NOTES 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 2X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. 3) APPLY LOCTITE THREADLOCKER RED 271™ OR EQUIVALENT TO ALL #25527 SCREWS. ®...
  • Page 33 Exploded Views and Parts Lists Base Plate Assembly Applicable Lifts: NL917FIB3454-2 DWG. NOTES NL919FIB-2 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 2X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. 3) APPLY LOCTITE THREADLOCKER RED 271™ OR EQUIVALENT TO ALL #25527 SCREWS. ®...
  • Page 34 Exploded Views and Parts Lists Base Plate Assembly Applicable Lift: NL917IB3751-2 DWG. NOTES 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 2X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. 3) APPLY LOCTITE THREADLOCKER RED 271™ OR EQUIVALENT TO ALL #25527 SCREWS. ®...
  • Page 35 Exploded Views and Parts Lists Base Plate Assembly Applicable Lift: NL917FIB3751-2 DWG. NOTES 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 2X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. 3) APPLY LOCTITE THREADLOCKER RED 271™ OR EQUIVALENT TO ALL #25527 SCREWS. ®...
  • Page 36: Top Parallel Arm Assembly

    Exploded Views and Parts Lists Top Parallel Arm Assembly - Front Applicable Lifts: All Lifts ITEM QTY. PART NO. DESCRIPTION ITEM QTY. PART NO. DESCRIPTION 28593A ASSY-BLOCK-GUIDE-PLATFORM-STOW 10062 WASHER-1/4" FLAT/AUTO-BK 955-2392CLXTBM BKT.-QUIET-RIDE MTG.-955 30996BK NUT-5/16-18 ACORN 14993 RIV-POP-SD66BS-3/16"-.25/.38/AUTO-BK 10068 WASHER-5/16" LOCK/AUTO-BK 915-0703BM BRACKET-INNER SIDE PANEL GUIDE 15858BK...
  • Page 37: Bottom Parallel Arm Assembly

    NL919FIB-2 NOTE: 2 DWG. NOTES 1) APPLY SCOTCH-WELD THREADLOCKER RED TL71 (BRAUNABILITY #11522-1) OR EQUIVALENT TO THREADS ON SCREW #25527 AND TORQUE TO 225 IN LB. 2) CONNECT IB OCC/STOW HARNESS BEFORE INSTALLING SWITCH ASSEMBLY INTO PARALLEL ARM. NOTE: 1 ITEM QTY.
  • Page 38 NOTE: 2 DWG. NOTES DWG. NOTES 1) APPLY SCOTCH-WELD THREADLOCKER RED TL71 (BRAUNABILITY #11522-1) OR EQUIVALENT TO THREADS ON SCREW #25527 AND TORQUE TO 225 IN LB. 1) APPLY SCOTCH-WELD THREADLOCKER RED TL71 (BRAUNABILITY #11522-1) OR EQUIVALENT TO THREADS 2) CONNECT IB OCC/STOW HARNESS BEFORE INSTALLING ON SCREW #25527 AND TORQUE TO 225 IN LB.
  • Page 39: Hydraulic Cylinder Assembly - Main

    Exploded Views and Parts Lists Hydraulic Cylinder Assembly - Main Applicable Lifts: All Lifts RETRACTED 27.233 STROKE 14.640 EXTENDED 41.873 ITEM QTY. PART NO. DESCRIPTION 402043 ELBOW-7/16-20 M/O-RNG/37*/.035 ORFICE 402948 CYLINDER ASSY-BOXED PARALLEL ARM 48" FTG (INCLUDES ITEM 2) Page 37...
  • Page 40: Vertical Arm Assembly

    NOTE: 2 404417A ASSY-LIFT-TITE ROLLER W/BEARING 37968 LIGHT ASSY-LED PLATFORM 403620WBM WMT-VERTICAL CHANNEL-REAR-48" Exploded Views and Parts Lists Vertical Arm Assembly - Front Applicable Lifts: All Lifts NOTE: 1 DWG. NOTES 1) INSERT SOCKET OF LIGHT ASSY THRU TOP KEY WHILE INSTALLING LIGHT.
  • Page 41: Arm Cover Assembly

    Exploded Views and Parts Lists Front Arm Cover Assembly Applicable Lifts: All Lifts SMOOTH SIDE SMOOTH SIDE ITEM QTY. PART NO. DESCRIPTION 915-0704NA COVER-PLASTIC-PARALLEL ARM-OUTSIDE-FRONT 945-0701NA COVER-PLASTIC-PARALLEL ARM-INSIDE-FRONT Rear Arm Cover Assembly Applicable Lifts: All Lifts SMOOTH SIDE SMOOTH SIDE ITEM QTY.
  • Page 42: Handrail Assembly

    Exploded Views and Parts Lists Front Handrail Assembly Applicable Lifts: All Lifts DETAIL “A” DETAIL “A” ITEM QTY. PART NO. DESCRIPTION 404977 BUMPER HANDRAIL SLIDE SUPPORT CHANNEL 29942 BOLT-3/8-16 X 1/2" FLBHSCS 6G8/PATCH ITEM QTY. PART NO. DESCRIPTION 27276 WASHER-FINGER DISC SPRING 404977 BUMPER HANDRAIL SLIDE SUPPORT CHANNEL 15328...
  • Page 43: Platform Assembly

    Exploded Views and Parts Lists Platform Assembly Applicable Lifts: NL917IB-2 NL917FIB-2 NOTE DWG NOTES NOTE 1) THE ROLL STOP CYLINDER IS TO BE ADJUSTED SO THAT THE ROLL STOP MOUNTED RUBBER BUMPER IS COMPRESSED AGAINST THE END OF THE SIDEPLATE TO PREVENT MOVEMENT WHILE STOWED. ROLL STOP LATCH SHOULD TRAVEL FREELY AND HAVE NO CONTACT WITH VERTICAL FACE OF ROLL STOP.
  • Page 44 Exploded Views and Parts Lists Platform Assembly Applicable Lifts: NL919IB-2 NL919FIB-2 NOTE DWG NOTES NOTE 1) THE ROLL STOP CYLINDER IS TO BE ADJUSTED SO THAT THE ROLL STOP MOUNTED RUBBER BUMPER IS COMPRESSED AGAINST THE END OF THE SIDEPLATE TO PREVENT MOVEMENT WHILE STOWED. ROLL STOP LATCH SHOULD TRAVEL FREELY AND HAVE NO CONTACT WITH VERTICAL FACE OF ROLL STOP.
  • Page 45 Exploded Views and Parts Lists Platform Assembly Applicable Lifts: NL917IB3454-2 NL917FIB3454-2 DWG NOTES NOTE NOTE 1) THE ROLL STOP CYLINDER IS TO BE ADJUSTED SO THAT THE ROLL STOP MOUNTED RUBBER BUMPER IS COMPRESSED AGAINST THE END OF THE SIDEPLATE TO PREVENT MOVEMENT WHILE STOWED. ROLL STOP LATCH SHOULD TRAVEL FREELY AND HAVE NO CONTACT WITH VERTICAL FACE OF ROLL STOP.
  • Page 46 Exploded Views and Parts Lists Platform Assembly Applicable Lifts: NL917IB3751-2 NL917FIB3751-2 NOTE DWG NOTES NOTE 1) THE ROLL STOP CYLINDER IS TO BE ADJUSTED SO THAT THE ROLL STOP MOUNTED RUBBER BUMPER IS COMPRESSED AGAINST THE END OF THE SIDEPLATE TO PREVENT MOVEMENT WHILE STOWED. ROLL STOP LATCH SHOULD TRAVEL FREELY AND HAVE NO CONTACT WITH VERTICAL FACE OF ROLL STOP.
  • Page 47: Braunability ® Limited Warranty

    Limited Warranty ® WARRANTY COVERAGE AND WARRANTY COVERAGE TIME PERIODS The BraunAbility (“Braun”) warranty covers certain parts of this wheelchair lift for three (3) years or 10,000 ® cycles and the cost of labor to repair or replace those parts for one (1) year or 3,000 cycles. If The Braun Corporation receives the warranty registration card within 20 days after the lift is put into service, the war- ranty labor coverage will increase from one (1) year or 3,000 cycles to three (3) years or 10,000 cycles.
  • Page 48 BraunAbility Limited Warranty ® BRAUN SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES THAT MAY RESULT FROM BREACH OF THIS LIMITED WARRANTY OR ANY IMPLIED WARRANTY. THIS EXCLUSION OF CONSEQUENTIAL AND INCIDENTAL DAMAGES SHALL BE INDEPENDENT OF ANY...
  • Page 49 BraunAbility Limited Warranty ® a dealer prior to delivery to the purchaser. 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 50 (GVWR) that exceeds 4,536 kg (10,000 lb). Manufacturing Revision Level: Rev. G 631 West 11th Street, Winamac, IN 46996, USA Phone: +1 574 946 6153 • Fax: +1 574 946 4670 www.braunability.com Patent #7,441,995 Patent #6,464,447 Patent #6,692,217...

This manual is also suitable for:

Millennium 2 nl917ib-2Millennium 2 nl919ib-2Millennium 2 nl917ib3454-2Millennium 2 nl

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