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Page 4

WARNING

If installation, mainte-
nance or repair
procedures cannot
be completed exactly
as provided in this
manual or if the
instructions are not
fully understood,
contact The Braun
Corporation immedi-
ately.  Failure to do
so may result  in
serious bodily injury
and/or property
damage.

WARNING

Read this manual, supplement(s) and lift-posted operating
instructions decals before performing installation, operation
or service procedures.

Minimum clear door opening dimensions specified in Lift
Dimensions per lift model must be provided.

Remove any obstructions within the lift mounting/operating
area prior to beginning installation procedures.

Install lift and power platform to fully folded position before
removing shipping straps.

Do not fold or unfold the platform prior to positive securement
of base plate mounting hardware.

Check for obstructions such as gas lines, wires, exhaust, etc.
before drilling or cutting during installation procedures.

CAUTION

WARNING

WARNING

WARNING

WARNING

WARNING

WARNING

In

s

ta

ll

ati

o

n

/Serv

i

ce S

a

fe

t

y Prec

a

u

ti

o

n

s

Safety 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 information contained
         in this manual and supple-
ments (if included), is provided
for your use and safety.  Familiar-
ity with proper installation,
operation, maintenance and
service procedures is necessary
to ensure safe, troublefree lift
operation.  Safety precautions
are provided to identify potentially
hazardous situations and provide
instruction on how to avoid them.

B

WARNING

This symbol indicates
important safety
information regarding
a potentially hazard-
ous situation that
could result  in serious
bodily injury and/or
property damage.

D

Note:

  Additional information provided to help clarify or detail a specific subject.

These symbols will appear throughout this manual as well as on the labels posted on your lift.

Recognize

the seriousness of this information.

A

Installation/Service Safety Precautions

Route all cables clear of exhaust system, other hot areas, moving parts, wet areas, etc.

Risk of electrical shock or fire!  Use extra care when making electrical connections.
Connect and secure as outlined in Installation Instructions and Wiring Diagrams.

Summary of Contents for L915F

Page 1: ...chair Lifts Installation Service Manual for Americans With Disabilities Act Americans With Disabilities Act ADA complying with complying with ADA WARNING Read manual before installing or servicing lif...

Page 2: ...details are provided Lift Installation Package The Installation Parts List appearing on page 8 of this manual does not address the additional ground cable the compact Circuit Sentry or the associated...

Page 3: ...is not used with Compact Circuit Sentry Kit 28910KS Item 25 The current part number for the Lift Operating Instructions decal is 27204 Item 27 The current part number for the Lift Operation video is...

Page 4: ...lift must be connected to the same vehicle framing member that the pump ground cable is attached to Connect the cable to the negative battery post Note A 3 8 16 x 1 bolt and a 13 32 I D x 1 2 tubing...

Page 5: ...t M o u n t L e a d C a b l e L i f t P o w e r C a b l e Buss 184100F 03 1 42VDC 3000A INTERRUPT 100A H45 WATERTIGHT ENCLOSURE Side Post Mount Top Post Mount Positive 12 Volt Battery Post Lead Cable...

Page 6: ...cuit breaker mounting holes Place the bracket securely in a vice gripping the edge that does not obstruct positioning of the circuit breaker see Photo A Mount the breaker to the bracket using two 1 4...

Page 7: ...UIT BREAKER R 2 R 2 R 16 R 1 6 UNFOLD FOLD UP DN SWITCH BOX W 16 BK 16 BN 16 Y 16 GN 16 GN 16 LIFT HYDRAULIC UP M GROUND BAT AUX 12 V BATTERY GY BK 16 BK 16 R R DOWN SOLENOID M BATTERY CHASSIS GROUND...

Page 8: ...K 6 COND NOT USED NOT USED NOT USED 6 5 4 3 2 1 COLOR NO 9 COND WIRE CODE 7 8 9 NOT USED GREEN WHITE BROWN YELLOW BLACK NOT USED NOT USED NOT USED 6 5 4 3 2 1 COLOR NO 9 COND WIRE CODE 7 8 9 Bridge Mi...

Page 9: ...6161A 26161A 28 4 Bolt 5 16 18 x 1 2 Nylock Hex 3 shown See note below 10012 10012 29 1 Solenoid Up Prestolite Short 100 Amp 12V 28308 28308 30 1 Jumper 16 Gauge 800 2000 800 2000 31 1 Diode Assembly...

Page 10: ...0 32 35 36 19 17 6 12 8 9 10 11 7C 7B 7A 22 23 25 20 26 27 41 DO WN UP UN FO LD O UT FOLD IN 13 14 15 16 16 18 33 35 34 29 31 Apply red 271 Thread Locker Loctite to the three pump mounting bolts item...

Page 11: ...e Plate and Switch Assembly See note below 17909A 05 17909A 05 13 1 Face Plate See note below 16931 05 16931 05 14 1 Switch S P D T Rocker Unfold Fold Orange See note below 17332 17332 15 1 Switch S P...

Page 12: ...35 36 19 17 6 12 8 9 10 11 7C 7B 7A 22 23 25 20 26 27 D O W N U P U N F O L D O U T F O L D I N 13 14 15 16 16 18 33 35 34 29 31 Apply red 271 Thread Locker Loctite to the three pump mounting bolts it...

Page 13: ...w Fold Out 67A 68A 48 Floor To ground Fixed Inboard Roll Stop Non IB Lift Models L916 and L916F only Exploded View Fold Out 67B 68B Repair Parts List 69 Item 4 Platform Weldment 915R63050W The part nu...

Page 14: ...Installation 49 Lift Electrical Schematic 50 Lift Wiring Diagram 51 18 Guage Lift Control Box Electrical Schematic 52 18 Guage Lift Control Box Wiring Diagram 52 Hydraulics Hydraulic Schematic 53 Rea...

Page 15: ...WH DQG HOG WWHQGDQW V RQWURO R 3XPS 0RGXOH 5HDU XWRPDWLF QERDUG 5ROO 6WRS DQG ULGJH 3ODWH PRGHOV 5ROO 6WRS DWFK RRW 5ROO 6WRS DWFK 5ROO 6WRS OLQGHU QRW YLVLEOH XQGHU SODWIRUP 2SSRVLWH 3XPS 6LGH OLQGHU...

Page 16: ...omponents Pump Module The lift mounted pump module consists of the hydraulic pump the manual hand pump and electrical components that power the lift electric hydrau lic systems Hand held Switch Contro...

Page 17: ...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 18: ...intenance and Lubrication Schedule contained in this manual Disconnect the power cable at the battery prior to servicing Never modify alter a Braun Corporation lift Replacement parts must be Braun aut...

Page 19: ...WARNING Remove 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 Rear Do...

Page 20: ...star washers are now supplied with each lift Position star washers as detailed in Installation Instructions External Ground Cable L915 pump modules feature an external ground cable Route the external...

Page 21: ...0069 8 8 Washer 3 8 External Tooth Star 25844 25844 9 10 Nut 3 8 16 Hex 10059 10059 10 18 Screw 8 18 x 1 2 Hex Self Tap 10383 10383 11 6 Screw 8 18 x 1 Hex Self Tap 10084 10084 12 10 Clip Cable 7 16 D...

Page 22: ...7 9 5 6 7 9 Reinforcement Bracket Figure B Position star washers and underfloor mounting hardware as specified per chassis and floor configuration Acceptable Reinforcement Bracket Positions typical e...

Page 23: ...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 24: ...hould be perpendicular 90 to the vehicle floor except when base plate shims are used details on page 12 Stepwell Installations When installing an L915 Series lift in the side cargo door with stepwell...

Page 25: ...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 26: ...edges are used the out board mounting bolts must must be inserted through the mounting holes in the wedges 2 per wedge See Figure H on page 12 Acceptable Reinforcement Bracket Positions typical either...

Page 27: ...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 28: ...al Secure the ground cable below the floor with one of the base plate mounting bolts Use of the star washers the external ground cable and following the chassis ground procedures outlined below will p...

Page 29: ...rpage Tighten 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...

Page 30: ...e two self tap screws to secure the plastic grommet Ground Cable Route the external ground cable through the floor grommet Secure the ground cable below the floor with one of the base plate mounting b...

Page 31: ...f insulation from the cable end and crimp the 1 4 diameter terminal onto the cable securely item 11 Figure P Route power cable clear of exhaust system other hot areas and moving parts Failure to do so...

Page 32: ...ircuit Sentry Installation and Power Connection WARNING WARNING Risk of electrical shock Use extra care when making electrical connec tions Risk of electrical fire Sandwich 1 8 plastic between Circuit...

Page 33: ...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 Inst...

Page 34: ...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 35: ...ment In structions on pages 26 and 27 to achieve the proper platform angle Positioning and Clearance Checklist Vehicle Clearance Vertical arms and parallel arms must clear door opening vertical sides...

Page 36: ...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 ali...

Page 37: ...r is on the platform the Passenger must be positioned fully inside yellow boundaries Wheelchair brakes must be locked Roll stop s must be up Failure to follow these rules may result in serious bodily...

Page 38: ...s detailed below Caution Grip the square head at the end of the roll stop cylinder rod see Photo B Do not grip the smooth portion of the rod Doing so can damage the rod which can result in failure of...

Page 39: ...ly there should be approximately 3 4 to 1 clearance between the inboard end of the platform and the ground when the outboard end of the platform contacts the ground Rear Door and Extensive Floor To Gr...

Page 40: ...form angle Turn the adjustment screw clockwise to raise the outboard end of the platform Turn the adjustment screw counterclockwise to lower the outboard end of the platform Note Both adjustment screw...

Page 41: ...il factory equipped The rubber bumper is positioned such that it contacts the vertical arm when the lift is in the fully folded stowed position and prevents direct metal to metal contact Refer to the...

Page 42: ...r mounted on the outboard bottom edge of the platform factory equipped The rubber bumper is positioned such that when it contacts the roll stop latch foot it prevents direct metal to metal contact Ref...

Page 43: ...See Detail B LO Light Oil DE Door Ease Light Grease Lubriplate 14 oz Multipurpose Can LG Light Grease UHMW Bearing 4 DE See Detail A Inboard Roll Stop Fold Lever Inboard Roll Stop Bracket Inboard Roll...

Page 44: ...top latch pivot slide points Roll stop latch lever pivot points Platform pivot pin 2 places Platform fold axles 2 Inboard roll stop IB pivot points Bridge plate non IB pivot points 2 Rotating pivot sl...

Page 45: ...e replace or correct as needed See Platform Angle Instructions and Roll Stop Adjust ment Instructions Replace defective parts Correct or replace defective parts and or relubricate See Lubrication Diag...

Page 46: ...r hoses fittings seals etc for leaks if fluid level is low Remove pump module cover and inspect Hydraulic hoses fittings and connections for wear or leaks Harness cables wires terminals and connection...

Page 47: ...form from the ground level to floor level When raising the platform from ground level the platform automatically stops at floor level when raised fully The automatic floor level switch ing is controll...

Page 48: ...d The activated Pressure switch shuts the pump moter off also See page 41 for further details M268 Solenoid Hydraulic Valves L915 lift models are equipped with the M268 hydraulic pump further details...

Page 49: ...quence When the platform unfolds fully reaches floor level the Bridging mi croswitch is activated The Bridging microswitch will be deactivated if the outboard end of the platform contacts the unload i...

Page 50: ...re located between the pump module and the tower Adjustment Use a 7 16 socket wrench to turn the two 1 4 20 x 3 hex bolts to reposi tion the limit switches Adjust these mi croswitches as outlined at r...

Page 51: ...ests solidly on the platform UHMW slides when at floor level as shown in Photo F With these conditions met slightly raise or lower platform to provide a smooth level transition between the plat form b...

Page 52: ...te should be positioned so that the inboard edge of bridge plate rests solidly on base plate as shown in Photo I when at floor level There should be a smooth level transition between the platform brid...

Page 53: ...eactivating this microswitch interrupts the UNFOLD Out switch circuit and redirects current to the DOWN switch circuit to re energize the Bridging and Down solenoid valves when the DOWN switch is pres...

Page 54: ...olenoid valve remains Hydraulic Pressure Switch 3 32 Hex Drive Adjustment Screw Improper hydraulic pressure switch adjustment may result in serious bodily injury and or property damage WARNING K energ...

Page 55: ...il pressure in the system to a safe level It also keeps the amp draw and battery drain at a minimum when the cylinders reach full stroke The M268 pressure relief valve is preset at 2100 psi Do not tam...

Page 56: ...te If oil leakage is not visible when conducting Internal Leakage Test No 1 but the platform drifts any measurable descent whatsoever perform Internal Leakage Test No 2 Internal Leakage Test No 2 a Pl...

Page 57: ...en wire 1 25 Wire terminal 1 26 Solenoid defective 1 27 Switch defective 2 11 See 1 00 2 12 Unfold Down Microswitch out of adjustment or defective 2 13 Unfold Down Microswitch harness disconnected dam...

Page 58: ...e 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 supports 2 25 Gas spring s weak...

Page 59: ...See 8 11 8 22 Low hydraulic fluid supply Note Fluid should be changed if there is visible contamination Inspect the hydraulic system for leaks if fluid level is low 8 23 Leak in hydraulic system 8 24...

Page 60: ...pump interface O rings 10 21 See 3 20 10 22 Lift platform has drifted against Lift Tite latches Flush clean or replace See Systems Descriptions for Priming and Flushing procedure Check hydraulic flui...

Page 61: ...vot pins misaligned snap ring missing or otherwise damaged 11 14 Handrail bent deformed or otherwise damaged 12 11 Defective dampening springs Correct or replace Replace Correct or replace Correct or...

Page 62: ...erlock installation with interlock switch opened and closed NC NO COM Distance to Interlock Switch more than 5 feet Use 10 gauge wires Black preferred Connector Previously Cut Jumper INTERLOCK SWITCH...

Page 63: ...OLD UP DN SWITCH BOX W 16 BK 16 BN 16 Y 16 GN 16 GN 16 LIFT HYDRAULIC UP M GROUND BAT AUX 12 V BATTERY GY BK 16 BK 16 R R DOWN SOLENOID M BATTERY CHASSIS GROUND CIRCUIT BREAKER CONNECTORS JUNCTION MOT...

Page 64: ...n Switch BU W W Y GY GY Y Y BU W BU GY BU BK BN Note Shown with lift in stowed position R Up Fold Solenoid NOT USED GREEN 6 COND WHITE 6 COND BROWN 6 COND YELLOW 6 COND BLACK 6 COND NOT USED NOT USED...

Page 65: ...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 Guage Lift Control Box Wiring Diagram Note Applicable for 18 guage wiring harness control box 90...

Page 66: ...enoid Valve 2 Way 2 Position Solenoid Valve Relief Valve Description Symbol Description Symbol Pressure Switch Filter Screen Unfold Orifice M Pump Motor Hydraulic Port Flow Control Valve Pump Side Cyl...

Page 67: ...with Grip 17206A 17206A 17206A 17206A 17206A 12 4 Fitting Male 7 16 20 SAE O Ring to Male 7 16 20 JIC 37 24504 24504 24504 24504 24504 13 1 Elbow 7 16 20 JIC 37 Female Swivel 1 7 16 20 JIC 37 Male 2 2...

Page 68: ...ump Motor 4 Roll Stop Cylinder 25 24 Rear Pump Hydraulics Diagram Note See pages 56 and 57 for Front Pump Hydraulic Diagram and Parts List Note See page 53 for L915 Hydraulic Schematic Note Illustrati...

Page 69: ...tting Male 7 16 20 SAE O Ring to Male 7 16 20 JIC 37 24504 24504 24504 24504 24504 13 1 Elbow 7 16 20 JIC 37 Female Swivel 1 7 16 20 JIC 37 Male 2 26579 26579 26579 26579 26579 14 1 Elbow 65 Male 7 16...

Page 70: ...er 24 Pump Side Cylinder 28 23 7 21 Front Pump Hydraulics Diagram Note See pages 54 and 55 for Rear Pump Hydraulic Diagram and Parts List Note See page 53 for L915 Hydraulic Schematic Note Illustratio...

Page 71: ...x 3 shown See note below 10012 10012 29 1 Solenoid Up 10565 10565 30 2 Screw 10 24 x 1 2 Button Head Allen 25842 25842 31 2 Nut 10 24 with Lock Washer 17388 17388 32 1 Lead Wire Assembly 6 Gauge Red 9...

Page 72: ...M268 pump assembly Loctite is available from The Braun Corporation under part number 11522 Pump Mounting Bolts Power Cable from Battery External Chassis Ground Cable Not applicable for Control Box 6D...

Page 73: ...below 17909A 05 17909A 05 13 1 Face Plate See note below 16931 05 16931 05 14 1 Switch S P D T Rocker Unfold Fold Orange See note below 17332 17332 15 1 Switch S P D T Rocker Down Up Red See note belo...

Page 74: ...Module Diagram Apply red 271 Thread Locker Loctite to the three pump mounting bolts item 28 if a blue nylon patch is not present on the bolts when retrofitting an M268 pump assembly Loctite is availab...

Page 75: ...et 15733 142 2 Roller Assembly 1000 2395A 143 2 Roller Retainer 915 5353 144 2 Washer Finger Disc Springs 27276 145 1 Grommet ID 281 FR 125 GD 625 T 375 27725 146 1 Grommet ID 312 FR 250 GD 813 T 500...

Page 76: ...96 97 99 90 90 116 61 104 115 119 85 143 5 91 101 3 100 70 132 64 65 23 65 141 142 112 120 117 114 26 72 84 114 116 87 88 88 4 108 127 127 108 109 109 6 7 110 102 111 32 30 31 32 30 31 35 31 30 29 37...

Page 77: ...2 112 120 117 114 24 30 148 147 147 147 114 116 49 149 87 88 88 4 108 127 127 108 109 109 6 7 110 102 111 32 30 31 32 30 31 35 31 30 29 37 33 34 34 80 80 123 31 31 31 31 83 83 123 67 56 75 82 123 123...

Page 78: ...Weldment Rear 955R2448IBW 19 2 Handrail Weldment ADA 916 0409WIB 20 1 Tube Wmt Upper Fold Arm Rear 916 0425RW 21 2 Tube Wmt Lower Fold Arm 916 0426RW 22 1 Tube Wmt Upper Fold Arm Front 916 2425FW 23...

Page 79: ...Ring 5 16 I D x 1 16 26614 127 2 Spring Dampener Retract 26963 128 4 Ring External Snap 5 16 24570 129 2 Bolt 1 4 20 x 1 2 Buton Head Socket 15733 130 2 Roller Assembly 1000 2395A 131 2 Roller Retaine...

Page 80: ...62 13 52 52 47 47 75 99 98 102 98 102 101 94 95 97 86 86 81 6 89 99 4 98 L916 L917 Only 121 63 83 84 84 5 106 116 116 106 107 107 7 8 108 100 109 28 26 27 28 26 27 27 26 25 76 76 112 27 27 27 27 79 79...

Page 81: ...4 98 L916 L917 Only 121 63 83 84 84 5 106 116 116 106 107 107 7 8 108 100 109 28 26 27 28 26 27 27 26 25 76 76 112 27 27 27 27 79 79 112 71 78 112 112 58 117 118 119 118 81 33 27 26 25 31 29 30 30 79...

Page 82: ...Lock 1 2 13273 126 4 O Ring 5 16 I D x 1 16 26614 127 2 Spring Dampener Retract 26963 128 4 Ring External Snap 5 16 24570 129 2 Bolt 1 4 20 x 1 2 Buton Head Socket 15733 130 2 Roller Assembly 1000 23...

Page 83: ...n the lift control box as shown Replace missing worn or illegible decals Failure to do so may result in serious bodily injury and or property damage WARNING The lift is only as safe as the operator Li...

Page 84: ...Note In event platform does not unfold press FOLD switch to release Lift Tite latches TO UNLOAD PASSENGER 1 Load passenger onto platform and lock wheelchair brakes 2 Press DOWN switch until entire pl...

Page 85: ...outside of vehicle to accommodate lift Do not operate lift if you suspect lift damage wear or any abnormal condition Keep operator and bystanders clear of area in which lift operates Whenever a wheel...

Page 86: ...application 6 x 12 6 x 12 6 x 12 6 x 12 Actual Size 12 Wide x 1 1 2 Tall Actual Size 24 W x 5 8 T Size Color Part No 2 x 12 Black 24172 BK 2 x 12 Yellow 24172 YL 3 x 12 Black 24173 BK 3 x 12 Yellow 2...

Page 87: ...t models specified in the Operations Cycle Time Charts Note The Length of Travel dimension will vary with differing lift installation vehicle floor heights All figures must be calculated per your part...

Page 88: ...Stop Fold Full Stroke Cycle 9 strokes 9 strokes Full 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...

Page 89: ...56 3 4 56 3 4 56 3 4 56 3 4 55 1 4 55 1 4 56 3 4 56 3 4 Unlimited Unlimited Unlimited Unlimited Unlimited Unlimited Unlimited Unlimited Unlimited Unlimited 54 3 4 54 3 4 56 1 4 56 1 4 56 1 4 56 1 4 5...

Page 90: ...e defined 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 fo...

Page 91: ...filing a war ranty claim or ordering parts must fill out the other card and mail it to The Braun Corpora tion The warranty is provided on the back cover of this manual The warranty cards must be proc...

Page 92: ...no rattles abnormal sounds etc Has the hand held switch box cable been damaged Do the lift control switches function properly Do the lift cargo door securement devices function as intended Is the manu...

Page 93: ...cedures required for processing returns and or authorizing credit The lift identification information is provided on the Braun Serial No Series No identification tag and the two warranty cards shown a...

Page 94: ...Details Checklist Is the base plate secured through the vehicle floor with eight bolts pages 13 16 Are the underfloor reinforcement brackets installed as detailed on pages 13 16 Are the ground cable p...

Page 95: ...viding the lift is installed operated and maintained properly and in conformity with this manual This warranty is limited to the original purchaser and does not cover defects in the motor vehicle on w...

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