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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 #5,261,779
Patent #6,065,924
34322 Rev. A
Patent #6,065,924
Patent #6,238,169
March
Patent #6,238,169
Patent #6,464,447
2008
Patent #6,464,447
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
Patent #6,599,079
Patent #6,599,079
Patent #6,599,079
Patent #6,692,217
Patent #6,692,217
Patent #6,692,217
Patent #6,739,824
Patent #6,739,824
Patent #6,739,824
Patent #6,837,670
Patent #6,837,670
2
2
BA
BA
W ARNING
Read manual
before installing
or servicing lift.
Failure to do so
may result in
serious bodily
injury and/or
property damage.
Patents Pending
Patents Pending
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Table of Contents
Related Manuals for Braun VISTA 2 NVL Series
Summary of Contents for Braun VISTA 2 NVL 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 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.
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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 Notes................ -
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
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: 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: Notes
NOTES This page intentionally left blank. Page 9... -
Page 12: Lubrication Diagram
Outer Barrier Outer Barrier Latch Switch Lever Pivot Point Pivot Points (2) 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 13: Maintenance And Lubrication Schedule
The maintenance and lubrication procedures specified “4500 Cycles” mainte- specified by an in this schedule must be performed by a Braun autho- nance. These intervals authorized service rized service representative at the scheduled intervals are a general guideline technician. - 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 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 16 Maintenance and Lubrication Schedule continued 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. See Lubri- cation Diagram.
-
Page 17: Lift Electrical Schematic
Lift Electrical Schematic DESCRIPTION SYMBOL LIFT SWITCH BOX RD(18) CAPACITOR PLATFORM LIGHTS MICROSWITCH (OPTION) DOWN PRESSURE SWITCH FOLD DIODE RD(18) UNFOLD FLASHER LIGHT RD(18) LIFT READY RELAY 00000 COUNTER BK(18) RD(18) RD(18) RELAY OR(12) OR(12) FUSE RD(18) LIGHT IB OCCUPIED INTERLOCK MICROSWITCH BEEPER... -
Page 18: Lift Wiring Diagram
Lift Wiring Diagram WH(18) Platform Lights (Option) Light Relay GN(18) RD(18) RD(18) RD(18) RD(18) BK(18) BK(18) 6-COND WIRE CODE 6-COND WIRE CODE RD(18) COLOR COLOR WHITE(18) BROWN(20) BLUE(20) BLACK(18) Counter BLACK(20) BLACK(20) BLACK(20) VIOLET(20) NOT USED NOT USED RED(18) WHITE(20) GN(18) RD(18) 945-0500NA... -
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
* 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 21: Hydraulics Diagram
Hydraulics Diagram Hydraulic Repair For repair of a hydraulic hose or cylinder, read this. Service Bulletin 27049 Hydraulic Pump Motor Manual Backup Pump Page 19... -
Page 22: Pump Module
(items 23 and 24) if a blue nylon patch is not present on the bolts when retrofitting an M268-0114 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 23: Pump Module Diagram
23 and 24) 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 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. "A" 14993 RIV-POP-SD66BS-3/16"-.25/.38/AUTO-BK 29765 CLAMP-INSULATED-1 3/8" 10091 CABLE TIE-11" SOLID 31816 BOLT-SHOULDER, 5/16 X 5/8-1/4-20 SS W/PC 29729... -
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. "A" 14993 RIV-POP-SD66BS-3/16"-.25/.38/AUTO-BK 29765 CLAMP-INSULATED-1 3/8" 10091 CABLE TIE-11" SOLID 31816 BOLT-SHOULDER, 5/16 X 5/8-1/4-20 SS W/PC 29729... -
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 996-0449... -
Page 27: 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. 18349 NUT-#10-32 W/LOCKWASHER/AUTO-BK 32514NA ASSY-IB OCCUPIED 31771 SHIM WASHER-.906"ID X 1.156"OD/.03"T/SS 24011 BEARING-FLANGE-3/4" X 3/8"-12FDU06 945-0458NKS ARM-PARALLEL/BOTTOM-FRONT (INCL. ITEMS 2-3) ITEM QTY. -
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 ITEM QTY. PART NO. DESCRIPTION Page 26... -
Page 29: 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. 2) APPLY GREASE TO PIN PRIOR TO INSTALLING ROLLER. 3) HARNESS TO BE TUCKED INSIDE CHANNEL DETAIL A (SCALE = 1/2) NOTE: 3... -
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: Platform Assembly
Exploded Views and Parts Lists Platform Assembly DWG NOTES 1) USE LOCTITE 271 (B.C. # 11522-1) ON SCREWS (B.C. #24537) 2) USE LOCTITE 290 (B.C. # 29255) ON CLEVIS PINS (B.C. #24932BK) 3) ITEM #3 HAS (1) IDENTIFICATION MARK. MARK IS ON OUTSIDE OF PLATFORM. 4) ITEM #4 HAS (2) IDENTIFICATION MARKS. -
Page 32: Notes
NOTES This page intentionally left blank. Page 30... - 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.