Braun Millennium NL Series Service Manual
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Braun Millennium NL Series Service Manual

Braun Millennium NL Series Service Manual

Public use wheelchair lifts
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"Providing Access to the World"
International Corporate Hdqrs: P.O. Box 310
®
1-800-THE LIFT
(574) 946-6153
33995 Rev. C
December
2009
Service Manual for:
Millennium
Public Use Wheelchair Lifts
Series
DOT — Public Use Lift
DOT — Public Use Lift
"DOT — Public Use Lift" verifies 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).
®
®
Winamac, IN 46996 USA
FAX: (574) 946-4670
C5
C5
Read manual
before installing
or servicing lift.
Failure to do so
may result in
serious bodily
injury and/or
property damage.
W ARNING

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Summary of Contents for Braun Millennium NL Series

  • Page 1 Service Manual for: Millennium Public Use Wheelchair Lifts Series DOT — Public Use Lift DOT — Public Use Lift “DOT — Public Use Lift” verifies 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...
  • Page 2 Braun certified technician, and the lift is operated by an instructed person. Sincerely, THE BRAUN CORPORATION Ralph W.

  • Page 3: Table Of Contents

    (NL915IB, NL915FIB, NL918IB, and NL918FIB) Repair Parts List ........... 24 Exploded View ............25 " Floor-to-Ground Lift Models (NL916IB, NL916FIB, NL917IB, NL917FIB, NL919IB and NL919FIB) Exploded View ............26 Repair Parts List ............ 27 Warranty Braun ® Limited Warranty ........28-30 Page 1...

  • Page 4: Lift Terminology

    Lift Terminology Pump Module Lift-Tite ™ Latches (2) (Rear) Towers (2) Top Parallel Arms (2) Visual Threshold Main Cylinders (2) Warning Hand-Held Pendant Audible Control Unfold Assist Compression Springs (2) Threshold Warning Adjustable Quiet-Ride Stow Blocks (2) (not visible) Platform Lights (2) Vertical Arm Covers (4) Threshold Handrails (2)

  • Page 5: Switch And Sensor Locations

    Switch and Sensor Locations Threshold Strip Switch 31221A (Qty. 2) IB Occupancy Pressure Switch 31199 Microswitch Assy. 33779A Bridging Microswitch 31010FA Stow Microswitch 23184 (Qty. 2) Rotary Position Sensor NL916/NL917 - 31094A NL915/NL918 - 31844A Outer Barrier Latched Magnet Right Inboard 31664 Outer Barrier Latched...

  • Page 6: Certification Checklist Diagnostic Procedures

    The following operations and conditions must be functionally verified in order for the lift to be FMVSS 403/404 compliant. If an operation does not function as described or a condition is not met, follow the refer- enced procedures to correct the problem or contact a Braun Corporation Product Support representative at 1-800-THE LIFT ®...

  • Page 7: Platform Fold Pressure Adjustment

    Platform Fold Pressure Adjustment 1. Position the platform at the floor level loading position. 2. Loosen the hex nut on the adjustment screw (do not remove hex nut). 3. Turn the adjustment screw counter clockwise until the platform does not fold when the Fold button is pressed.

  • Page 8: Platform Angle Adjustment

    Platform Angle Adjustment Adjusting the platform angle based on the Millennium “NL” Series relationship of the platform at ground level directly affects the angle of the platform Figure C when positioned at floor level. Unfold the lift and visually examine the angle of the platform when positioned at Angle A floor level.

  • Page 9: Platform Stop Blocks

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

  • Page 10: Platform Floor Level Adjustment

    Platform Floor Level Adjustment Before setting floor level position: tion if unable to stop platform when powering lift. • Adjust platform angle as detailed on page 6. 2. Turn Lift Power switch Off. • Ensure both stop blocks are 3. Press Floor Position Set but- making full contact with verti- ton (located between pump cal arms (details on page 7).

  • Page 11: Bridging Microswitch Adjustment

    Bridging Microswitch Adjustment Adjustment Screw Bridging Microswitch Bridging Microswitch: The bridging microswitch is located at the bottom of the right (front) vertical arm. See Photos A and B. An adjust- ment screw is built into the platform stop block. The bridging microswitch will be deactivated if the outboard end of the platform contacts the unloading surface before...

  • Page 12: Lcd Lift Codes

    LCD Lift Codes To better understand the Braun LCD Trouble shooting display you must first understand the numbers that appear on the screen. There are Flashing Codes, Solid Error Codes, and Solid Normal Operational Codes. Flashing Codes #65-89: About 10 seconds after an operation has stopped there are a set of scrolling flashing numbers that indicate whenever a particular sensor or switch has been activated.
  • Page 13 LCD Lift Codes Listed below are codes that the lift controller outputs during lift operation. The codes will be displayed on an LCD screen located on the lift control board inside the pump module. See the Manual Operating Instructions in the operator's manual for pump cover removal instructions.

  • Page 14: Lubrication Diagram

    Lift-Tite ™ Latch Rollers (2) (Both Sides) Outer Barrier Lever Bearings See the Maintenance/Lubrication Schedule for recommended applications per number of cycles. Specified (recommended) Available Braun Lubricant Type Lubricant Amount Part No. Light Penetrating Oil LPS2, General Purpose 11 oz.

  • Page 15: Maintenance And Lubrication Schedule

    The maintenance and lubrication procedures specified will vary according to specified by an in this schedule must be performed by a Braun autho- lift use and conditions. authorized service rized service representative at the scheduled intervals Lifts exposed to severe technician.
  • Page 16 Maintenance and Lubrication Schedule continued See Platform Fold Pressure Adjustment Adjust Fold Pressure And Outer Barrier Fold and Outer Barrier Fold Pressure Adjustment Pressure See Certification Checklist Diagnostic Procedures Verify FMVSS 403/404 Certification Checklist Cycles Correct as needed. Inspect lift for wear, damage or any abnormal condition Correct as needed.
  • Page 17 Perform all procedures listed in previous section also Inspect cotter pins on platform pivot pin (2) Resecure, replace or correct as needed Hydraulic Fluid (Pump) - Check level. Note: Use Braun 32840-QT (Exxon ® Univis HVI 26) Fluid should be changed if there is visible hydraulic fluid (do not mix with Dextron III or other...
  • Page 18 Maintenance and Lubrication Schedule continued Perform all procedures listed in previous section also Inspect saddle bearing (1) and saddle bearing Apply Door-Ease or replace if needed. See Lubri- buttons (2) cation Diagram. Inspect vertical arm plastic covers Resecure or replace if needed. 4500 Cycles Inspect power cable...

  • Page 19: Lift Electrical Schematic

    Lift Electrical Schematic LIFT BK(24 GA COPPER) SWITCH BOX NOTE: ALL WIRES ARE 22 GA. BK/WH(24 GA SILVER) UNLESS OTHERWISE NOTED. BU(20) OR(18) IB JUMPER RD(20) GN(20) BK(18) DOWN THRESHOLD SENSOR GN(18) IB OCCUPANCY FOLD MICROSWITCH PRESSURE SWITCH WH(20) UNFOLD BK(20) RD(18) BK/WH(24 GA SILVER)

  • Page 20: Lift Wiring Diagram

    Lift Wiring Diagram 915-4534NA Platform Lights (Option) Note: All wires 22 GA. FS19 Pressure unless otherwise noted. BK / WH(20) Switch WH / BK(20) FS18 917-4535RNA-33 REAR PUMP LIFTS 8-COND WIRE CODE 917-4535FNA-33 FRONT PUMP LIFTS COLOR COLOR RD / BK(20) NOT USED BU / BK(20) NOT USED...

  • Page 21: Hydraulic Schematic

    Hydraulic Schematic .50 GPM Roll Stop Fold Pressure Switch Bridging Valve Orifice Orifice Lifting Relief Valve Down Secondary Valve Valve 2500 1900 Folding Relief Valve Outer Barrier Cylinder Opposite Pump Side Pump Cylinder BACKUP Cylinder PUMP PUMP Description Symbol Description Symbol Fixed Displacement Hydraulic Port...

  • Page 22: Hydraulics Parts List

    “Duel Relief” Valve (complete) Valve (complete) Coil Coil #31122 #31122 Hydraulic Fluid When adding or changing hydraulic fluid, use Braun 32840-QT (Exxon ® Univis HVI 26) hydraulic fluid (do not mix with Dextron III or Cartridge Cartridge other hydraulic fluids).

  • Page 23: Hydraulics Diagram

    Hydraulics Diagram Hydraulic Repair For repair of a hydraulic hose or cylinder, read this. Service Bulletin 27049 Manual Backup Pump Hydraulic Pump Page 21...

  • Page 24: Pump Module

    (items 27 and 28) if a blue nylon patch is not present on the bolts when retrofitting an M268 pump assembly. Loctite ® is available from The Braun Corporation under part number 11522-1. t Indicates items available for replacement part purposes only. These items are not included with replacement pump modules.

  • Page 25: Pump Module Diagram

    27 and 28) if a blue nylon patch is not present on the bolts when retrofitting an ® M268 pump assembly. Loctite available from The Braun Corporation under part number 11522-1. Note: Rear pump shown, front pump mirror image. Page 23...

  • Page 26: Lift Exploded Views 42 " Floor-To-Ground Lift Models (Nl915Ib, Nl915Fib, Nl918Ib, And Nl918Fib) Repair Parts List

    42” Floor-to-Ground Lift Repair Parts List Part Numbers of Items Dedicated per Lift Model Item Qty. Description NL915IB NL915FIB NL918IB NL918FIB Base Weldment 915R5142NW30 915F5142NW30 918R5142NW33 918F5142NW33 Cover, Pump, 2-Piece, Back-Bottom 915-0513RNPT 915-0513FNPT 915-0513RNPT 915-0513FNPT Cover, Pump, 2-Piece, Top-Front Assy. 915-0519RNPT 915-0519FNPT 915-0519RNPT...

  • Page 27: Exploded View

    42” Floor-to-Ground Lift Exploded View 146 148 156 157 138 148 122 123 132 131 Page 25...

  • Page 28: Floor-To-Ground Lift Models (Nl916Ib, Nl916Fib, Nl917Ib, Nl917Fib, Nl919Ib And Nl919Fib) Exploded View

    48” Floor-to-Ground Lift Exploded View 146 148 156 157 138 148 122 123 132 131 Page 26...

  • Page 29: Repair Parts List

    48” Floor-to-Ground Lift Repair Parts List Part Numbers of Items Dedicated per Lift Model Item Qty. Description NL916IB NL916FIB NL917IB NL917FIB NL919IB NL919FIB Base Weldment 985R5148NW30 985F5148NW30 985R5148NW33 985F5148NW33 985R5148NW34 985F5148NW34 Cover, Pump, 2-Piece, Back-Bottom 915-0513RNPT 915-0513FNPT 915-0513RNPT 915-0513FNPT 915-0513RNPT 915-0513FNPT Cover, Pump, 2-Piece, Top-Front 915-0519RNPT...

  • Page 30: Braun Limited Warranty

    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 warranty labor coverage will increase from one (1) year or 3,000 cycles to three (3) years or 10,000 cycles.
  • Page 31 (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 32 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 33 "Providing Access to the World" ® Over 300 Braun Dealers Worldwide ® "Providing Access to the World" International Corporate Hdqrs: P .O. Box 310 Winamac, IN 46996 USA 1-800-THE LIFT ® (574) 946-6153 FAX: (574) 946-4670...
  • Page 34 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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C5 series

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