Braun VISTA Series Installation & Service Manual Download Page 63 | Manualshive

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Page 51

Hydraulic Schematic

Pump, Fixed

Displacement

Reservoir,

Vented

Backup Pump

Cylinder, Single

Acting

Check Valve

Manual

Shutoff Valve

Pressure Compensated

Flow Control

2 Way 2 Position

Solenoid Valve

Relief Valve

Description

Symbol

Description

Symbol

Pressure Switch

Filter Screen

M

Pump Motor

Hydraulic Port

Flow

Control

Valve

Pump Side

Cylinder

BACKUP

PUMP

2100

PSI

Down
Valve

Compensator

Valve

1900

PSI

PUMP

Opposite

Pump

Cylinder

Flow

Control

Valve

Pressure

Switch

M

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62
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65
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Summary of Contents for VISTA Series

Page 1: ...OR MERICANS 7ITH ISABILITIES CT COMPLYING WITH 51 1 5HDG PDQXDO EHIRUH LQVWDOOLQJ RU VHUYLFLQJ OLIW DLOXUH WR GR VR PD UHVXOW LQ VHULRXV ERGLO LQMXU DQG RU SURSHUW GDPDJH XDO 0DQ 0ROVIDING CCESS TO TH...

Page 2: ...ONSUMER MUST lLL OUT THE OTHER CARD AND MAIL IT TO 4HE RAUN ORPORATION 4HE WAR RANTY IS PROVIDED ON THE BACK COVER OF THIS MANUAL 4HE WARRANTY CARDS MUST BE PROCESSED TO ACTIVATE THE WARRANTY ONGRATUL...

Page 3: ...a Subject VL917IB Vista Series 02 Lift Models Effective April 2003 tion Service manual 28234 and additional supple ments if included before installing or servicing a lift Refer to this supplement when...

Page 4: ...DN SWITCH BOX WH 16 BK 16 BN 16 YL 16 GN 16 GN 16 LIFT HYDRAULIC UP M GROUND BAT AUX POWER STUD PUMP BODY GROUND BATTERY R DOWN SOLENOID M BATTERY CHASSIS GROUND CIRCUIT BREAKER CONNECTORS JUNCTION MO...

Page 5: ...mp Only PIN 2 R BK Pump Mounted Platform Sensor Pressure Switch J2 J6 J4 J13 Red J14 White Y GN Fold Unfold Switch GN BK W BN Up Down Switch Switch Box As Viewed From Terminal Side of Switch BK R BK W...

Page 6: ...e with 1 4 insulated male spade terminals d Plug the ground source from customer sup plied remote interlock with the 1 4 insulated female spade connector into the 1 4 insulated male spade connector on...

Page 7: ...12V source from remote interlock into red wire supplied with insulated male spade connector e Remove male interlock jumper from front of pump module cover Store in glovebox for use if needed when tro...

Page 8: ...20 x 3 4 Pan Head Phillips See note below 24739 24739 17 1 Strain Relief SR 7W 2 See note below 7A 7B and 7C only 11352 11352 18 1 Cover Switch Box See note below 26798 26798 19 1 Power Cable Millenn...

Page 9: ...P UN FO LD O UT FOLD IN 13 14 15 16 16 18 22 2 32 38 Series 02 VL917IB Pump Module Diagram Revised May 21 2003 Apply red 271 Thread Locker Loctite to the three pump mounting bolts items 41 and 42 if a...

Page 10: ...e 12608 85 6 Bolt 3 8 16 X 3 4 Button Head Socket Cap 25171 86 2 Bolt 5 16 18 x 2 Flange Hex 25130 87 2 Nut 5 16 18 Serrated Flange 25131 88 2 Arm Slide Support 915 7412 89 2 Slide Platform Rotate Wel...

Page 11: ...28 137 138 160 146 158 152 28 166 68 7 69 130 94 91 91 92 91 92 87 86 91 90 117 117 79 113 49 53 53 52 52 52 50 51 94 89 95 134 52 52 178 116 15 14 163 66 76 75 126 91 165 76 166 63 79 101 100 165 165...

Page 12: ...tions 26 27 Floor Level Guideline Adjustments 28 29A Fold Arm Adjustments 30A Maintenance and Lubrication Lubrication Diagram and Chart 29B 30B Maintenance and Lubrication Schedule 31 34 Systems Descr...

Page 13: ...latform Pivot Fold Arms 2 Rotating Pivot Slide Arms 2 Platform Side Plates 4 Vertical Arm Covers 4 Pump Side Cylinder Base Plate Pump Module Rear Automatic Inboard Roll Stop and Bridge Plate IB Opposi...

Page 14: ...that power the lift electric hydraulic systems Hand held Switch Control Box The quick disconnect hand held control switchbox is connected to the pump module Quick disconnect hand held controls are ava...

Page 15: ...Symbols SAFETY FIRST Know That C CAUTION This symbol indicates important information regarding how to avoid a hazardous situation that could result in minor per sonal injury or prop erty damage The in...

Page 16: ...lined in the Maintenance and Lubrication Schedule contained in this manual Disconnect the power cable at the battery prior to servicing Keep hands arms and all other body parts clear of moving parts N...

Page 17: ...ve any obstruc tions within the lift mounting operating area prior to begin ning installation procedures Failure to do so may result in serious bodily injury and or property damage creates an uneven m...

Page 18: ...attery Ground Cable The external battery ground cable supplied with the lift must be connected to the same vehicle framing member that the pump ground cable is attached to Note Remove undercoating dir...

Page 19: ...8 x 3 4 Thread Cutting 21735 21735 13 10 Clip Cable 7 16 Diameter Plastic 15777 15777 14 5 Cable Tie 11 Solid 10091 10091 15 1 Grommet Plastic 205 2001 205 2001 16 1 Terminal Battery Cable 1 4 eye 138...

Page 20: ...Figure B Position star washers and underfloor mounting hardware as specified per chassis and floor configuration Acceptable Reinforcement Bracket Positions typical either end 3 8 Lock Washer 3 8 Flat...

Page 21: ...st or crane Note Read all Pre Installation Notes prior to installation Plastic straps secure the lift in the stowed position during shipment Before removing the shipping straps install the lift and po...

Page 22: ...wers should be perpendicular 90 to the vehicle floor except when base plate shims are used details on page 12 Stepwell Installations When installing a VL917 Series lift in the side cargo door with ste...

Page 23: ...and vertical arm kick out to provide adequate clearance between lift and vehicle See Figure G There must be a minimum 1 clearance between the lift vertical arms and or automatic inboard roll stop and...

Page 24: ...he mounting holes in the wedges 2 per wedge See Figure H on page 12 Acceptable Reinforcement Bracket Positions typical either end Figure J 2 Lift Securement Optimum Bolt Locations Underfloor Reinforce...

Page 25: ...e If the base plate mounting holes cannot be used in your application call for technical assis tance Underfloor vehicle configuration data is available for Ford Chevy GMC and Dodge vans not available...

Page 26: ...bframe members position a star washer between the chassis and the 3 8 diameter flat washer see Figure L Note Body washers are not required when underfloor brackets are used or bolts penetrate chassis...

Page 27: ...inside mounting bolts first then tighten outside mounting bolts Measure alignment of towers and vertical arms while tightening See Figure M Note Towers must be aligned and parallel with handrails se c...

Page 28: ...nd cable is pump mounted The second ground cable is external battery mounted Both cables must be mounted to a common vehicle framing member to provide optimum ground Pump Mounted Ground Cable Route th...

Page 29: ...ets are supplied Bracket 28755 is a flush mount bracket without offset See Photo A This bracket is shown used in a Dodge van application see Photos B and C Bracket 28498 is an offset mount bracket sho...

Page 30: ...r obstructions such as fuel lines coolant lines wires exhaust etc before drilling Remove the rubber caps attached to circuit breaker termi nals Attach the lift power cable to the Auxiliary terminal of...

Page 31: ...x harness installed All harnesses are equipped with the same quick disconnect sockets Remove the control box and harness from their packing and connect as stated below Harness Installation Connect Ins...

Page 32: ...ness Routing and Securement Control box cable routing and securement varies according to the application Route and secure cable clear of potential door and lift damage Door opens to Pump Side Route th...

Page 33: ...rm angle must be prop erly adjusted Follow the Plat form Angle Adjustment In structions on pages 26 and 27 to achieve the proper platform angle Positioning and Clearance Checklist Vehicle Clearance Ve...

Page 34: ...on pages 26 and 27 Alignment Side to Side Alignment As viewed from outside the vehicle the lift vertical arms and platform when stowed should be perpendicular 90 to the vehicle floor and parallel alig...

Page 35: ...te floor level positioning as de tailed on pages 26 and 29A Adjust fold arms as outlined on page 30A if needed only Note Clean surfaces with isopropyl alcohol before decal application Use a clean clot...

Page 36: ...e handrails and the vertical arms This vibration is eliminated with the rubber bumper mounted on each handrail factory equipped The rubber bumper is positioned such that it contacts the vertical arm w...

Page 37: ...inboard end of the platform and the ground when the outboard end of the platform con tacts the ground Rear Door and Extensive Floor To Ground Installations Installations where base plate wedges are us...

Page 38: ...extra slack in the cables will cause the outboard platform section to sag hang down See Photo E The platform cables will need to be tightened equally to align the outboard and inboard platform sectio...

Page 39: ...ed on tower Floor Level Guideline Adjustments The Unfold Down and Up Fold microswitches control platform and bridge plate positioning Ensure floor level adjustments are correct as outlined on page 29A...

Page 40: ...g Photo H shows the lift platform positioned too high An incorrect Unfold Down microswitch setting can prevent the platform from unfolding fully during the Unfold cycle Or the Up Fold microswitch may...

Page 41: ...13 6 8 9 9 19 9 10 10 11 11 9 6 7 7 12 12 13 14 16 14 14 14 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 16 17 17 17 17 17 17 17 17 18 18 19 20 20 Specified Recommended Lubricants Note Lubricants...

Page 42: ...roll stop from the horizontal to the vertical position If the original adjustment is lost measure the pin to pin dimension of the fold arm assembly when the platform is at floor level and make both si...

Page 43: ...for wear or damage bent deformed or misaligned positive securement external snap rings and proper operation Inspect outboard roll stop for proper operation Inspect fold unfold cables 2 for wear deter...

Page 44: ...securement and proper adjustment Make sure lift operates smoothly Inspect inboard roll stop operation Roll stop should just rest on the top surface of the base plate Apply Light Grease See Lubricatio...

Page 45: ...le wear or damage Inspect baseplate tower parallel arm pivot pin mounting bolts 4 Inspect vertical arm parallel arm pivot pin mounting bolts 4 Inspect handrails and pivot pins for visible wear or dama...

Page 46: ...See Decals and Antiskid section on pages 57B 60 1 Year or 4800 Cycles continued Consecutive 4 Week or 400 Cycle Intervals Specified recommended Available Braun Lubricant Type Lubricant Amount Part No...

Page 47: ...loor level as outlined discontinue lift operation immediately Contact your lift sales representative or call The Braun Corporation at 1 800 THE LIFT Systems Descriptions Maintenance and repair procedu...

Page 48: ...ding function Note When the platform reaches the stowed fully folded position the Hydraulic Platform Sensor Pressure Switch is activated pre set pressure reached The activated Pressure switch shuts th...

Page 49: ...he UP switch is pressed The FOLD In switch circuit is interupted when the platform is below floor level The Up Fold microswitch is deactivated when the platform reaches floor level This interupts the...

Page 50: ...nted Electrical Down Solenoid Hydraulic Valve The UNFOLD switch circuit Hydraulics energizes this solenoid valve which allows hydraulic fluid to return from the cylinders to the reservoir at a limited...

Page 51: ...Unfold and lower the platform to the ground Place a 75 pound load in the center of the platform and raise the platform to floor level 2 Press the IN Fold switch If the pump shuts off and the platform...

Page 52: ...s VL917 Series lift models are equipped with two external flow control valves one for each lift main cylinder This device is sized to allow unrestricted hydraulic fluid to flow in and out of the lift...

Page 53: ...of new seals Replace cylinder if tests indicate failure Failure to do so may result in serious bodily injury and or property damage WARNING Troubleshooting Replacement of the cylinder s is unnec essar...

Page 54: ...t buckled 1 24 Broken wire 1 25 Wire terminal 1 26 Solenoid defective 1 27 Switch defective 2 11 See 1 00 2 12 Lift platform has drifted against Lift Tite latches 2 13 Unfold Down Microswitch out of a...

Page 55: ...pins Rotating pivot slide arms and or pivot pins Handrails and or pivot pins Platform fold axles Platform pivot pins lower fold arms 2 23 Mechanical binding 2 24 Misalignment of towers upright support...

Page 56: ...mp release valve contamination 5 42 See 5 11 and 5 20 5 51 See 5 13 5 61 See 2 22 2 23 2 24 2 26 2 27 and 2 29 5 62 Air in hydraulic lines Raise platform minimum 2 Correct or replace Close valve Adjus...

Page 57: ...drifted against Lift Tite latches 8 11 Slide support arm guide bolts improperly adjusted tightness missing or damaged 8 12 Worn bushings pivot pins 8 13 Pivot pins misaligned hardware missing or othe...

Page 58: ...1 To connect remote interlock switch a Verify male plug 3 wire jumper is in the J6 Negative position on circuit board located inside pump module cover b Install a 1 4 insulated female spade terminal...

Page 59: ...terminal on end of customer supplied remote interlock 12V source wire See Specifications below c Mounded to the pump module cover is a female interlock plug Exiting the back side inside pump cover is...

Page 60: ...R 2 RD 2 R 14 GN 14 UNFOLD FOLD UP DN SWITCH BOX WH 16 BK 16 BN 16 YL 16 GN 16 GN 16 LIFT HYDRAULIC UP M GROUND BAT AUX POWER STUD PUMP BODY GROUND 12 V BATTERY R DOWN SOLENOID M BATTERY CHASSIS GROU...

Page 61: ...W BN Up Down Switch Switch Box As Viewed From Terminal Side of Switch BK R NOT USED GREEN 6 COND WHITE 6 COND BROWN 6 COND YELLOW 6 COND BLACK 6 COND NOT USED NOT USED NOT USED 6 5 4 3 2 1 COLOR NO 9...

Page 62: ...COLOR NO 9 COND WIRE CODE 7 8 9 Switch Box As Viewed From Terminal Side of Switch 1 2 3 4 5 6 7 8 9 18 Gauge Lift Control Box Wiring Diagram Note Applicable for 18 gauge wiring harness control box 90...

Page 63: ...Pressure Compensated Flow Control 2 Way 2 Position Solenoid Valve Relief Valve Description Symbol Description Symbol Pressure Switch Filter Screen M Pump Motor Hydraulic Port Flow Control Valve Pump S...

Page 64: ...ing to Male 7 16 20 JIC 37 24504 12 1 Elbow 7 16 20 JIC 37 Female Swivel 1 7 16 20 JIC 37 Male 2 26579 13 1 Elbow 65 Male 7 16 20 SAE O Ring to 7 16 20 SAE O Ring Boss 26578 14 1 Switch Pressure 1600...

Page 65: ...3DJH 2EAR 0UMP YDRAULICS IAGRAM 1RWH 6HH SDJH IRU 9 GUDXOLF 6FKHPDWLF 2SSRVLWH 3XPS OLQGHU GUDXOLF 3XPS 0DQXDO DFNXS 3XPS UURZ PXVW IDFH SXPS UURZ PXVW IDFH SXPS GUDXOLF 3XPS 0RWRU 3XPS 6LGH OLQGHU...

Page 66: ...Hose 17069 6 1 See Control Box Assembly and Harness Options See note below 7 1 See Control Box Assembly and Harness Options See note below 8 1 Control Box Bracket mount Items 9 10 and 11 See note bel...

Page 67: ...18 Rear Pump Module Diagram Apply red 271 Thread Locker Loctite to the three pump mounting bolts item 40 if a blue nylon patch is not present on the bolts when retrofitting an M258 pump assembly Loct...

Page 68: ...em Qty Description Part No Item Qty Description Part No 80 2 Gas Spring Fold Arm 27356 81 2 Ball Stud Gas Spring 13MM x 5 16 18 Female 26236 82 2 Washer 5 16 Lock 10068 83 6 Washer 5 16 Flat 10063 84...

Page 69: ...150 124 147 147 148 145 144 144 149 66 148 149 151 146 145 146 154 137 130 155 124 119 66 66 119 79 99 79 79 114 108 107 114 108 107 70 52 52 53 53 56 57 100 100 91 121 60 117 101 101 58 58 106 105 10...

Page 70: ...instructed by transit authority Read warnings and operate lift as outlined on LIFT OPERATING INSTRUCTIONS decal Lift operating instructions apply to wheelchair passengers and standees Standee Instruct...

Page 71: ...rules may result in serious bodily injury and or property damage Note Handrail belt must be latched to operate lift OPEN DOOR S AND SECURE TO UNFOLD PLATFORM Stand clear and press UNFOLD switch until...

Page 72: ...le TO UNFOLD PLATFORM OUT 1 Close hand pump valve turn clockwise 2 Insert handle in pump and stroke until platform folds fully stops 3 Open hand pump valve turn counterclockwise until platform reaches...

Page 73: ...iskid is dependant on lift model Order as needed Stripes Yellow Lexan Decal 24369 12 Note Clean surfaces as detailed on page 57B before antiskid application 6 x 12 6 x 12 6 x 12 6 x 12 Actual Size 11...

Page 74: ...iling a warranty claim or ordering parts to The Braun Corporation The warranty is provided on the back cover of this manual The warranty cards must be processed to activate the warranty Two Braun Seri...

Page 75: ...ghts All figures must be calculated per your particular Length of Travel floor to ground dimension when comparing 1 Environmental temperature of 72 F Extremely low temperatures can moderately affect c...

Page 76: ...Stroke Cycle Platform Raise 48 64 5 strokes to 73 8 strokes 69 18 strokes 6938 per Stroke Platform Fold Full Stroke Cycle 20 strokes to 23 strokes 21 5 strokes Full Stroke Cycle Number Average Number...

Page 77: ...The maximum usable length of platform Clear Vertical Passageway The maximum height wheelchair or object that can pass through the lift frame with the lift at floor level Minimum Clear Door Opening He...

Page 78: ...fined as finished door opening including any intrusive door jambs headers sills or hinges Any intrusive obstructions within the Clear Door Opening must be removed See the Pre Installation Notes for fu...

Page 79: ...Over 300 Braun Dealers Worldwide Providing Access to the World 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 80: ...ER 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 4HIS WARRANTY COMMENCES ON THE DATE THE LIFT IS PUT INTO SERVICE PRO...

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