Braun CENTURY NCL 06 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

Patent #5,261,779

Patent #6,065,924

35024

Patent #6,238,169

August

Patent #6,238,169

Patent #6,464,447

2008

Patent #6,464,447

Service Manual for:

Century

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: Century 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 The warranty cards must be processed to activate the warranty. Two Braun Serial No./Series No. identiﬁcation tags (shown below) are posted on the lift. One I.D. tag is posted on the opposite pump side vertical arm. A second I.D. tag is located on the opposite pump side tower.
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 Platform Angle Adjustment ........6-7 Platform Stop Blocks ............ 7 Platform Foor Level Adjustment ........8 Notes ................
Page 4: Lift Terminology
Lift Terminology Pump Base Plate Towers (2) Module Top Parallel Arms (2) (Rear) Visual Threshold Hand-Held Main Cylinders (2) Warning Pendant Control Audible Adjustable Quiet-Ride Stow Blocks (2) Threshold Warning Unfold Assist Compression Springs (2) (Not Visible) Platform Lights Vertical Arm Covers (4) Threshold Handrails (2) Warning...
Page 5: Switch And Sensor Locations
Switch and Sensor Locations Stow Microswitch 23184 (Qty. 2) Threshold Strip Switch Rotary 31221A (Qty. 2) Position Sensor 31194A IB Occupancy Microswitch Assy. 32642A Outer Barrier Right Inboard Occupied / Raised Microswitch 33775A Left Outboard Bridging Microswitch 34294A *Note: Mirror image for right (front) pump lifts.
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 Foor 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: Notes
NOTES This page intentionally left blank. Page 9...
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
Activation Foot Pivot Points (2) Switch Lever Bearings (4) Pivot Point 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 Correct or replace damaged parts and/or relubri- Inspect outer barrier latch for proper operation, cate. See Lubrication Diagram positive securement, and detached or missing spring(s) See Platform Fold Pressure Adjustment Adjust fold pressure See Certiﬁcation Checklist Diagnostic Procedures Verify FMVSS 403/404 Certiﬁcation Checklist Cycles 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: Fluid Use Braun 32840-QT (Exxon ® Univis HVI 26) hy- should be changed if there is visible contamination.
Page 18 Maintenance and Lubrication Schedule continued 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. Decals and Antiskid Replace decals if worn, missing or illegible.
Page 19: Lift Electrical Schematic
Lift Electrical Schematic BK(24 GA COPPER) BK/WH(24 GA SILVER) LIFT NOTE: ALL WIRES ARE 22 GA. UNLESS OTHERWISE NOTED. SWITCH BOX OR(18) OUTER BARRIER THRESHOLD OCCUPIED / RAISED SENSOR SENSOR BK(18) DOWN BU(20) GN(20) RD(20) BK(20) GN(18) FOLD BK/WH(24 GA SILVER) BK(24 GA COPPER) UNFOLD RD(18)
Page 20: Lift Wiring Diagram
Lift Wiring Diagram Note: All wires 22 GA. unless otherwise noted. Platform Lights (Option) 985-A1534NA 6-COND WIRE CODE COLOR BLACK WHITE GREEN NOT USED NOT USED 13 12 11 10 Lift 8-COND WIRE CODE 18-COND WIRE CODE 1 2 3 COLOR Control COLOR...
Page 21: Hydraulic Schematic
Hydraulic Schematic Orifice Orifice Lifting Down Secondary Relief Valve Valve Valve 2500 Folding Relief Valve 1900 Opposite Pump Side Pump Cylinder BACKUP Cylinder PUMP PUMP Description Symbol Description Symbol Fixed Displacement Hydraulic Port Pump 2 Way 2 Position Pump Motor Solenoid Valve Pressure Compensated Backup Pump...
Page 22: Hydraulics Parts List
* Raw material items ordered and priced per inch (order speciﬁed length). (complete) (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 Pump Motor Manual Backup Pump Page 21...
Page 24: Pump Module
(items 26 and 27) 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
(items 26 and 27) 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 23...
Page 26: Repair Parts List
Repair Parts Part Numbers of Items Dedicated per Lift Model Item Qty. Description NCL917IB NCL917FIB NCL919IB NCL919FIB Base Weldment 985R6148NW33 985F6148NW33 985R6148NW34 985F6148NW34 Cover, Pump, 2-Piece, Back-Bottom 915-0513RNPT 915-0513FNPT 915-0513RNPT 915-0513FNPT Cover, Pump, 2-Piece, Top-Front 915-0519RNPT 915-0519FNPT 915-0519RNPT 915-0519FNPT Platform Weldment 985-63351NW 985-63351NW 985-63451NW...
Page 27: Exploded View
48” Floor-to-Ground Lift Exploded View 156 157 Page 25...
Page 28: Notes
NOTES This page intentionally left blank. Page 26...
Page 29 "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 30 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 up to five years*, providing the lift is installed, operated and maintained properly and in conformity with this manual.

Braun CENTURY NCL 06 Series Service Manual

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