Braun NL MILLENIUM 05 Series Service Manual

Millennium series 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

Patent #5,261,779

Patent #6,065,924

33126 Rev. A

Patent #6,065,924

Patent #6,238,169

January

Patent #6,238,169

Patent #6,464,447

2008

Patent #6,464,447

Service Manual for:

Millennium

Public Use Wheelchair Lifts

Series

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

Patent #6,599,079

Patent #6,692,217

Patent #6,739,824

Patents Pending

Read manual

before installing

or servicing lift.

Failure to do so

may result in

serious bodily

injury and/or

property damage.

W A R N I N G

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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
Contents Troubleshooting and Maintenance Lift Terminology ............2 Switch and Sensor Locations ........3 Certiﬁcation Checklist Diagnostic Procedures ..4 Platform Fold Pressure Adjustment ......5 Outer Barrier Fold Pressure Adjustment ....5 Platform Angle Adjustment ........6-7 Platform Stop Blocks ........... 7 Platform Floor Level Adjustment ........
Page 4: Lift Terminology
Lift Terminology Hand-Held Pendant Lift-Tite ™ Latches (2) Towers (2) Control Top Parallel Arms (2) Visual Threshold Warning Main Cylinders (2) Audible Unfold Assist Compression Springs (2) Threshold Warning Adjustable Quiet-Ride Stow Blocks (2) Platform Lights Opposite Pump Side Vertical Arm Vertical Arm Covers (4) Threshold Handrails (2)
Page 5: Switch And Sensor Locations
Switch and Sensor Locations Threshold Strip Switch 31221A (Qty. 2) Pressure Switch IB Occupancy 31199 Microswitch Assy. 32642A Bridging Microswitch 31010FA Stow Microswitch 23184 (Qty. 2) Rotary Position Sensor 31094A Outer Barrier Latched Magnet Right Inboard 31664 Outer Barrier Latched Left Outboard Magnetic Sensor...
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
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
Platform Pivot Pin (2 Points) Lift-Tite Latch Roller Assemblies (2) Outer Barrier Latch LO Outer Barrier Latch Lever 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 Inspect lift for wear, damage or any abnormal Correct as needed. condition Cycles Correct as needed. Inspect lift for rattles Perform all procedures listed in previous section also Platform pivot pin bearings (2) Apply Light Oil - See Lubrication Diagram Platform fold axles (2) Apply Light Oil - See Lubrication Diagram Inner roll stop (IB) lever bearings (2)
Page 17: Maintenance And Lubrication Schedule
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: Fluid Use Braun 32840-QT (Exxon ® Univis HVI 26) should be changed if there is visible contamination.
Page 18: Notes
NOTES This page intentionally left blank to provide a place for notes and references. Page 16...
Page 19: Lift Electrical Schematic
Lift Electrical Schematic LIFT SWITCH BOX BK(24 GA COPPER) NOTE: ALL WIRES ARE 22 GA. BK/WH(24 GA SILVER) UNLESS OTHERWISE NOTED. BU(20) OR(18) IB JUMPER RD(20) GN(20) DOWN BK(18) 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 M268-0113 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 91 76 156 157 138 148 122 123 132 131 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: Notes
NOTES This page intentionally left blank to provide a place for notes and references. Page 28...
Page 31 "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 32 The Braun Corporation of Winamac, Indiana, warrants that it will repair (or replace at Braun’ s sole option) any defect in material or workmanship in its wheelchair lift for five years*, providing the lift is installed, operated and maintained properly. This warranty is limited to the original purchaser and does not cover defects in the motor vehicle on which it is installed, or defects in the lift caused by a defect in any part of the motor vehicle.

Braun NL MILLENIUM 05 Series Service Manual

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