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"Providing Access to the World"
International Corporate Hdqrs: P.O. Box 310
1-800-THE LIFT
®
(574) 946-6153
36105 Rev. C
June 2011
Service Manual for:
Vista
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
DA
DA
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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Related Manuals for Braun Corporation NVL Vista 2 Series
Summary of Contents for Braun Corporation NVL Vista 2 Series
- Page 1 Service Manual for: Vista 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.
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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 Tower Microswitch Adjustment ........8 Lubrication Diagram ............. -
Page 4: Lift Terminology
Lift Terminology Towers (2) Top Parallel Arms (2) Pump Module (Rear) Main Cylinders (2) Visual Threshold Audible Warning Threshold Adjustable Quiet-Ride Stow Blocks (2) Hand-Held Warning Pendant (not visible) Control Unfold Assist Compression Springs (2) Lift-Tite ™ Latches (2) Platform Lights (2) Vertical Arm Covers (4) Threshold Handrails (2) -
Page 5: Switch And Sensor Locations
Switch and Sensor Locations *Threshold Alarm & Partial Fold Microswitch Assy. *Threshold Alarm 975-3121A Threshold Strip Switch *Partial Fold Microswitch 33337A (2 strips per) Microswitch Right Inboard *Up & Unfold Microswitch Assy. 975-3121A Left Outboard *Up Microswitch *Unfold Microswitch Stow Interlock Microswitch IB Occupied Microswitch... -
Page 6: Certification Checklist Diagnostic Procedures
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. • Vehicle movement is prevented unless the lift door is closed, ensuring the lift is stowed. -
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 Lowering Sequence Requirements Figure A 1. The outboard end (toe) of the platform must contact the ground first to ensure the spring-loaded outer barrier unfolds fully. See Figure A. 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 To raise the outboard end of Note: Both adjustment screws Adjustment Allen screws are provided on each side of the lift platform - turn adjustment must be adjusted equally. screw clockwise. platform for adjusting the platform ® angle. -
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 Note: Review adjustment depicted. 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 NOTES This page intentionally left blank. Page 9...
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Page 12: Lubrication Diagram
Maintenance and Lubrication Lubrication Diagram Lift-Tite ™ Latch Dampening Spring Parallel Arm (2 springs - 4 Points) Hydraulic Cylinder Pivot Pin Bearings (16) Pivot Bushings (8) Saddle Bearing (2) Lift-Tite ™ Latches Parallel Arm (Tower Pivot Points - 2) Pivot Pin Bearings (16) Handrail Pivot Pin Bearings (4) Inner Roll Stop... -
Page 13: Maintenance And Lubrication Schedule
Lift components requiring grease are lubricated during operation. Contact your sales representative or call assembly procedures. When these components are The Braun Corporation. One of our national Product replaced, grease must be applied during installation Support representatives will direct you to an authorized procedures. - Page 14 Maintenance and Lubrication Schedule continued Apply Light Oil - See Lubrication Diagram Lift-Tite ™ latch gas (dampening) spring pivot points (2 springs - 4 points) Apply Light Grease - See Lubrication Diagram Platform side plate slots Resecure, replace damaged parts or otherwise Inspect Lift-Tite ™...
- Page 15 Maintenance and Lubrication Schedule continued Inspect handrail components for wear or damage, Replace damaged parts. and for proper operation Inspect microswitches for securement and proper Resecure, replace or adjust as needed. See adjustment. Microswitch Adjustment Instructions. Make sure lift operates smoothly Realign towers and vertical arms.
- Page 16 Maintenance and Lubrication Schedule continued Inspect inner/outer fold arms, saddle, saddle sup- Replace if needed. port and associated pivot pins and bearings for visible wear or damage Inspect gas springs (cylinders - 6) for wear or dam- Tighten, replace or correct as needed age, proper operation and positive securement Inspect saddle bearing (UHMW - 2) Apply Door-Ease or replace if needed.
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Page 17: Lift Electrical Schematic
Lift Electrical Schematic RD(18) IB RAISED PLATFORM LIGHTS (OPTION) DESCRIPTION SYMBOL SWITCH BK(18) BK(18) RD(18) GN(20) CAPACITOR BK(22) BK(20) BK(18) BK(18) RD(18) RD(22) VT(20) MICROSWITCH LIFT LIGHT BK(18) RD(18) GN(20) BK(18) BK(18) SWITCH BOX RD(18) RELAY OUTER BARRIER DIODE OCCUPIED / RAISED BK(18) RD(18) OR(20) -
Page 18: Lift Wiring Diagram
Lift Wiring Diagram Light RD(18) Relay Platform Lights (Option) RD(18) Counter 4-COND WIRE CODE 4-COND WIRE CODE COLOR COLOR BLACK(18) BLACK(18) BLUE(18) RED(18) WHITE(18) WHITE(18) GN(18) NOT USED NOT USED GN(20) GN(20) GN(18) SILVER(22) WH(18) SILVER(22) 6-COND WIRE CODE 6-COND WIRE CODE COLOR COLOR 1 2 3... -
Page 19: 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 20: Hydraulics Parts List
Hydraulics Parts List Item Qty. Description Part # Pump Assembly (M-268-0114) 120G / 12V / Dual Relief 32858-12V Solenoid, 4-Post Trombetta - Angle 35310 Motor, Pump - 12 Volt - Low RPM 29690 Valve Assembly, “Dual Relief" (complete) 31120K Cartridge (only), “Dual Relief" Valve - (shown below) 31121 Coil (only) - (shown below) 31122... -
Page 21: Hydraulics Diagram
Hydraulics Diagram Hydraulic Repair For repair of a hydraulic hose or cylinder, read this. Service Hydraulic Bulletin 27049 Pump Motor Manual Backup Pump Page 19... -
Page 22: Pump Module
Pump Module Parts List Item Qty. Description NVL917FIB-2 NVL917IB-2 Pump Module (complete), 12 Volt 945-4516FNA 945-4516RNA Pump Assembly (M268-0114) 12V-120G - Dual Relief (Includes Items 1 & 2) 32858-12V 32858-12V Solenoid, Up - 4-Post Trombetta - Angle 35310 35310 Housing, Pump 947-2513FN 947-2513RN (Complete Assembly 947-2513RNA (Rear) or 947-2513FNA (Front) Includes Items 3 - 20) -
Page 23: Pump Module Diagram
Pump Module Diagram Pump Mounting Bolts Apply Loctite ® Threadlocker Red 271™ or equivalent to the three pump mounting bolts (items 25 and 26) if a blue nylon patch is not present on the assembly. Note: Rear pump module shown, front pump module mirror image. -
Page 24: Nvl917Fib-2 Base Plate Assembly
Exploded Views and Parts Lists NVL917FIB-2 Base Plate Assembly DWG. NOTES 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 4X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. 3) APPLY LOCTITE ® THREADLOCKER RED 271™ OR EQUIVALENT TO ALL #25527 SCREWS. -
Page 25: Nvl917Ib-2 Base Plate Assembly
Exploded Views and Parts Lists NVL917IB-2 Base Plate Assembly DWG. NOTES 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 4X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. 3) APPLY LOCTITE ® THREADLOCKER RED 271™ OR EQUIVALENT TO ALL #25527 SCREWS. -
Page 26: Nvl919Fib-2 Base Plate Assembly
Exploded Views and Parts Lists NVL919FIB-2 Base Plate Assembly DWG. NOTES 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 4X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. 3) APPLY LOCTITE ® THREADLOCKER RED 271™ OR EQUIVALENT TO ALL #25527 SCREWS. -
Page 27: Nvl919Ib-2 Base Plate Assembly
Exploded Views and Parts Lists NVL919IB-2 Base Plate Assembly DWG. NOTES 1) LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 4X. 2) TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X. 3) APPLY LOCTITE ® THREADLOCKER RED 271™ OR EQUIVALENT TO ALL #25527 SCREWS. -
Page 28: Top Parallel Arm Assembly
Exploded Views and Parts Lists Top Parallel Arm Assembly - Front ITEM QTY. PART NO. DESCRIPTION 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... -
Page 29: Bottom Parallel Arm Assembly
Exploded Views and Parts Lists Bottom Parallel Arm Assembly - Rear DWG. NOTES 1) ASSEMBLE SENSOR WITH FLAT SIDE AWAY FROM PARALLEL ARM. ITEM QTY. PART NO. DESCRIPTION 18349 NUT-#10-32 W/LOCKWASHER/AUTO-BK 32514NA ASSY-IB OCCUPIED 34398 WASHER-.906"ID X 1.25"OD/.075"T/SS 24011 BEARING-FLANGE-3/4" X 3/8"-12FDU06 945-3458NA ARM-PARALLEL/BOTTOM-FRONT (INCL. -
Page 30: Hydraulic Cylinder Assembly - Main
Exploded Views and Parts Lists Hydraulic Cylinder Assembly - Main RETRACTED 29.146 STROKE 14.625 EXTENDED 43.771 30° ±10° ITEM QTY. PART NO. DESCRIPTION 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 Page 28... -
Page 31: Vertical Arm Assembly
Exploded Views and Parts Lists Vertical Arm Assembly - Rear DWG. NOTES NOTE: 1 1) INSERT SOCKET OF LIGHT ASSY THRU TOP KEY WHILE INSTALLING LIGHT. TIGHTEN SCREWS. NOTE: 4 2) HARNESS TO BE TUCKED INSIDE CHANNEL. 3) APPLY LOCTITE ®... -
Page 32: Arm Cover Assembly
Exploded Views and Parts Lists Front Arm Cover Assembly 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 SMOOTH SIDE SMOOTH SIDE ITEM QTY. PART NO. DESCRIPTION 945-0703NA COVER-PLASTIC-PARALLEL ARM-INSIDE-REAR 915-0702NA COVER-PLASTIC-PARALLEL ARM-OUTSIDE-REAR Page 30... -
Page 33: Handrail Assembly
Exploded Views and Parts Lists Front Handrail Assembly ITEM QTY. PART NO. DESCRIPTION 25171 BOLT - 3/8-16 X 3/4" FLBHSCS-GD8 10069 WASHER - 3/8" LOCK 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 SPACER-UHMW 0.75 OD X 0.39 ID X 0.25 13617 NUT-3/8-16 UNC HEX LOCK/AUTO-BK... -
Page 34: Nvl917Fib-2 & Nvl917Ib-2 Platform Assembly
Exploded Views and Parts Lists NVL917FIB-2 & NVL917IB-2 Platform Assembly DWG NOTES 1) USE LOCTITE ® THREADLOCKER RED 271™ OR EQUIVALENT (B.C. # 24537 AND B.C. 15733) 2) USE LOCTITE ® THREADLOCKER GREEN 290™ OR EQUIVALENT ON CLEVIS PINS (B.C.24932BK) 3) ITEM #3 HAS (1) IDENTIFICATION MARK. -
Page 35: Nvl919Fib-2 & Nvl919Ib-2 Platform Assembly
Exploded Views and Parts Lists NVL919FIB-2 & NVL919IB-2 Platform Assembly DWG NOTES 1) USE LOCTITE ® THREADLOCKER RED 271™ OR EQUIVALENT ON SCREWS (B.C. #24537 AND B.C. #15733) 2) USE LOCTITE ® THREADLOCKER GREEN 290™ OR EQUIVALENT ON CLEVIS PINS (B.C. #24932BK) 3) ITEM #3 HAS (1) IDENTIFICATION MARK. -
Page 36: 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 37 ® 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 38 ® Braun Limited Warranty a dealer prior to delivery to the purchaser. You must inspect the product for this type of damage when you 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 39 "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 40 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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