BraunAbility NL 2 Millennium Series Service Manual
BraunAbility NL 2 Millennium Series Service Manual

BraunAbility NL 2 Millennium 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
34568 Rev. B
January
2010
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
2
2
BB
BB
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 NL 2 Millennium 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 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 provides service-related material. Refer to the FMVSS No. 403 Quick Reference Installation Sheet for installation instructions, operating instructions and maintenance procedures.
  • 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 Tower Microswitch Adjustment ........
  • 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. 975-3121A *Unfold Microswitch *Up Microswitch Threshold Strip Switch 33337A Right Inboard *Threshold / Alarm Left Outboard & Partial Fold Microswitch Assy. 975-3121A *Threshold / Alarm Microswitch *Partial Fold Microswitch Stow Interlock Microswitch IB Occupied &...
  • Page 6: Certification Checklist Diagnostic Procedures

    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. See Tower 4 (Fold) Switch Adjustment in the Tower Microswitch Adjustment section for proper microswitch setting before adjusting the platform fold pressure. 2. Position the platform at the floor level loading position. 3. Loosen the hex nut on the adjustment screw Note: Secure adjustment (do not remove hex nut).
  • 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: Tower Microswitch Adjustment

    Tower Microswitch Adjustment TOWER TOWER TOWER TOWER 32943 32942 Figure E TOWER TOWER TOWER TOWER 32943 32942 Note: Left (rear) pump lift de- Note: Review adjustment picted. Right (front) pump procedures below and adjust lift is a mirrored image. as needed only. Tower 1 (Unfold) Switch Adjustment Tower 3 (Alarm) Switch Adjustment Floor Position from Stow...
  • Page 11: Lubrication Diagram

    Maintenance and Lubrication Lubrication Diagram Hydraulic Cylinder Parallel Arm Pivot Bushings (8) Pivot Pin Bearings (16) Saddle Bearing (2) ™ Lift-Tite Latches (Tower Pivot Points - 2) Parallel Arm Pivot Pin Bearings (16) Handrail Pivot Pin Bearings (4) Inner Fold Arm Roller Pin Bearings (4) Inner Roll Stop...
  • Page 12: Maintenance And Lubrication Schedule

    Maintenance and Lubrication Schedule Proper maintenance is necessary to ensure safe, All listed inspection, W ARNING troublefree operation. Inspecting the lift for any wear, lubrication and main- damage or other abnormal conditions should be a part tenance procedures of all transit agencies’s daily service program. Simple Maintenance and should be repeated at inspections can detect potential problems.
  • 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 Cycles condition Correct as needed. Inspect lift for rattles Perform all procedures listed in previous section also Inner/outer fold arms (2) Apply grease (synthetic) to contact areas between inner/outer fold arms.
  • Page 14 Maintenance and Lubrication Schedule Inspect outer fold arm pins (2), axles (2) and Replace damaged parts and resecure as needed. bearings (8) for wear or damage and positive Apply Light Oil. securement Remove pump module cover and inspect: Resecure, replace or correct as needed. 1500 •...
  • Page 15: Lift Electrical Schematic

    Lift Electrical Schematic RD(18) DESCRIPTION SYMBOL PLATFORM LIGHTS (OPTION) BK(18) BK(18) RD(18) GN(20) CAPACITOR BK(18) BK(18) RD(18) IB RAISED SWITCH MICROSWITCH LIFT BK(18) RD(18) GN(20) SWITCH BOX BK(18) BK(18) RD(18) LIGHT BK(22) BK(20) RELAY RD(20) DIODE RD(22) RD(18) OR(20) BK(18) BRIDGING RD(18) MICROSWITCH...
  • Page 16: Lift Wiring Diagram

    Lift Wiring Diagram RD(18) Platform Lights (Option) Light Relay Counter RD(18) 4-COND WIRE CODE 4-COND WIRE CODE COLOR COLOR GN(18) 1 2 3 BLACK(18) BLACK(18) BLUE(18) RED(18) 7 8 9 WHITE(18) WHITE(18) NOT USED NOT USED 9-COND WIRE CODE 9-COND WIRE CODE COLOR COLOR GN(18)
  • Page 17: Hydraulic Schematic

    Hydraulic Schematic .50 GPM Orifice Main Relief Orifice Valve Platform Outer Barrier PUMP Fold Relief Fold Relief Solenoid Valve Solenoid Valve 2500 Down Roll Stop Down Valve Solenoid Valve Outer Barrier Fold Relief BACKUP Relief Valve Valve PUMP Outer Barrier Opposite Pump Side Cylinder...
  • Page 18: Hydraulics Parts List

    Hydraulics Parts List Item Qty. Description Part # Pump Assembly (M-268-0117) 120G / 12V / Triple Relief 34330-12V Clamp, Reservoir - H-48 (M259) 17069 Solenoid, 4-Post - Trombetta (Flat Mount) 31374 Motor, Pump - 12 Volt - Low RPM 31350 Valve Assembly, “Outer Barrier Fold Relief and Fold Relief”...
  • Page 19: Hydraulics Diagram

    Hydraulics Diagram Hydraulic Repair For repair of a hydraulic hose or cylinder, read this. Service Bulletin 27049 Hydraulic Pump Page 17...
  • Page 20: Pump Module

    Pump Module Parts List NL917IB-2 NL917FIB-2 Item Qty. Description NL919IB-2 NL919FIB-2 Pump Module (complete), 12 Volt, Rear 947-3516RNA 947-3516FNA Pump Assembly (M268-0117) 12V-120G - Triple Relief (Includes Items 1 & 2) 34330-12V 34330-12V Solenoid, Up - 4-Post - Trombetta (Flat Mount) 31374 31374 Housing, Pump (Complete Assembly 947-0513RNA or 947-0513FNA Includes Items 3 - 17)
  • Page 21: Pump Module Diagram

    Pump Module Diagram Pump Mounting Bolts ® Apply red #271 Thread Locker Locktite to the three pump mounting bolts (items 24 and 25) 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.
  • Page 22: Nl917Ib-2 Base Plate Assembly

    Exploded Views and Parts Lists NL917IB-2 Base Plate Assembly DWG. NOTES 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 2X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. "A" 14993 RIV-POP-SD66BS-3/16"-.25/.38/AUTO-BK NOTE: 1 29765 CLAMP-INSULATED-1 3/8" 10091 CABLE TIE-11"...
  • Page 23: Nl917Fib-2 Base Plate Assembly

    Exploded Views and Parts Lists NL917FIB-2 Base Plate Assembly DWG. NOTES 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 2X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. "A" 14993 RIV-POP-SD66BS-3/16"-.25/.38/AUTO-BK NOTE: 1 29765 CLAMP-INSULATED-1 3/8" 10091 CABLE TIE-11"...
  • Page 24: Nl919Ib-2 Base Plate Assembly

    Exploded Views and Parts Lists NL919IB-2 Base Plate Assembly DWG. NOTES 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 2X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. "A" 14993 RIV-POP-SD66BS-3/16"-.25/.38/AUTO-BK NOTE: 1 29765 CLAMP-INSULATED-1 3/8" 10091 CABLE TIE-11"...
  • Page 25: Nl919Fib-2 Base Plate Assembly

    Exploded Views and Parts Lists NL919FIB-2 Base Plate Assembly DWG. NOTES 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 2X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. "A" 14993 RIV-POP-SD66BS-3/16"-.25/.38/AUTO-BK NOTE: 1 29765 CLAMP-INSULATED-1 3/8" 10091 CABLE TIE-11"...
  • Page 26: Top Parallel Arm Assembly

    Exploded Views and Parts Lists Top Parallel Arm Assembly - Front 10058 NUT-5/16-18 HEX/AUTO-BK 10068 WASHER-5/16" LOCK/AUTO-BK 15858BK BOLT-CARR 5/16-18 X 3/4/AUTO-BK 16368 WASHER-5/16" EXTERNAL TOOTH 24440 BOLT-5/16-18 X 3/4-BHSC/AUTO-BK 28593A ASSY-BLOCK-GUIDE-PLATFORM-STOW 955-2392CLXT BKT.-QUIET-RIDE MTG.-955 14993 RIV-POP-SD66BS-3/16"-.25/.38/AUTO-BK 915-0703 BRACKET-INNER SIDE PANEL GUIDE 11513 RIV-POP-SD64BS-3/16"-.13/.25/AUTO-BK 945-0450...
  • Page 27: Bottom Parallel Arm Assembly

    Exploded Views and Parts Lists Bottom Parallel Arm Assembly - Pump Side 18349 NUT-#10-32 W/LOCKWASHER/AUTO-BK 32514NA ASSY-IB OCCUPIED 34398 WASHER-0.906"ID X 1.25"OD X .075"TH/ZINC 24011 BEARING-FLANGE-3/4" X 3/8"-12FDU06 945-3458NKS ARM-PARALLEL/BOTTOM-SWITCH (Incl. Items 1-3) ITEM QTY. PART NO. DESCRIPTION Bottom Parallel Arm Assembly - Opposite Pump Side 34398 WASHER-0.906"ID X 1.25"OD X .075"TH/ZINC 24011...
  • Page 28: Hydraulic Cylinder Assembly - Main

    Exploded Views and Parts Lists Hydraulic Cylinder Assembly - Main RETRACTED 29.146 STROKE 14.625 EXTENDED 43.771 30° ±10° 15150 ELBOW-1/4 NPT 90° 1/4 BARB 26667 ELBOW-7/16-20 M/O-RNG/37*/.035 ORFICE C1514.3-0408N CYLINDER-14.625"/29.146 RETRACTED PART NO. DESCRIPTION ITEM QTY. Page 26...
  • Page 29: Vertical Arm Assembly

    Exploded Views and Parts Lists Vertical Arm Assembly - Rear 1) INSERT SOCKET OF LIGHT ASSY THRU TOP KEY WHILE INSTALLING LIGHT. TIGHTEN SCREWS. NOTE: 1 2) HARNESS TO BE TUCKED INSIDE CHANNEL. 3) APPLY LOCTITE #18822 TO SCREW ITEM #5. NOTE: 2 "A"...
  • Page 30: Handrail Assembly

    Exploded Views and Parts Lists Front Handrail Assembly 11513 RIV-POP-SD64BS-3/16"-.13/.25/AUTO-BK 29185 BALL STUD-13MM W/ 3/8-16 FEMALE THREAD 29186 GAS SPRING-14.468 EXT/8.956 COM-P1=1150N 30227 WASHER-UHMW 0.75 OD X 0.39 ID X 0.25 13617 NUT-3/8-16 UNC HEX LOCK/AUTO-BK 945-0640FNA ASSY-FOLD ARM-48 FTG-FRONT 31677 SLIDE-UHMW-PLATFORM SLIDE-2X6.9"...
  • Page 31: Nl917Ib-2 & Nl917Fib-2 Platform Assembly

    Exploded Views and Parts Lists NL917IB-2 & NL917FIB-2 Platform Assembly DWG NOTES 1) APPLY BOUNDARY DECAL (ITEM 28) 48 1/8" FROM FRONT EDGE OF PLATFORM TO LEADING EDGE OF DECAL. 2) APPLY BOUNDARY DECALS (ITEM 27) 1/2" ABOVE PLATFORM SURFACE EXCLUDING GRATING AND 1/2"...
  • Page 32: Nl919Ib-2 & Nl919Fib-2 Platform Assembly

    Exploded Views and Parts Lists NL919IB-2 & NL919FIB-2 Platform Assembly DWG NOTES 1) APPLY BOUNDARY DECAL (ITEM 28) 48 1/8" FROM FRONT EDGE OF PLATFORM TO LEADING EDGE OF DECAL. 2) APPLY BOUNDARY DECALS (ITEM 27) 1/2" ABOVE PLATFORM SURFACE EXCLUDING GRATING AND 1/2"...
  • Page 33: Braun Limited Warranty

    ® Braun Limited Warranty WARRANTY COVERAGE AND WARRANTY COVERAGE TIME PERIODS The Braun Corporation (“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 warranty labor coverage will increase from one (1) year or 3,000 cycles to three (3) years or 10,000 cycles.
  • Page 34 ® Braun 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 FAILURE OF THE ESSENTIAL PURPOSE OF ANY WARRANTY, AND THIS EXCLUSION SHALL SUR- VIVE ANY DETERMINATION THAT THIS LIMITED WARRANTY OR ANY IMPLIED WARRANTY HAS FAILED OF ITS ESSENTIAL PURPOSE.
  • Page 35 ® Braun 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 36 NOTES This page intentionally left blank to provide a place for notes and references. Page 34...
  • Page 37 "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 38 Service Manual for: Millennium Public Use Wheelchair Lifts Series Patent #5,261,779 Patent #6,599,079 Patent #7,422,408 Patent #6,065,924 Patent #6,692,217 Patent #7,444,995 Patent #6,238,169 Patent #7,530,226 Patent #6,739,824 Patent #6,464,447 Patents Pending Patent #7,306,422 ® ® "Providing Access to the World" International Corporate Hdqrs: P.O.

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