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14122700001 to 14122700006
400649
Rev. A
January
2016
Service Manual
NL503
Series A2
Serial Numbers
DOT — Public Use Lift
"DOT — Public Use Lift" veri es 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).
631 West 11th Street, P.O. Box 310, Winamac, IN 46996, USA
Phone: 1-574-946-4139 • 1-800-THE-LIFT • www.braunability.com
and
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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Summary of Contents for BraunAbility A2 Series
- Page 1 Failure to do so may result in serious bodily 400649 injury and/or Rev. A property damage. 631 West 11th Street, P.O. Box 310, Winamac, IN 46996, USA January Phone: 1-574-946-4139 • 1-800-THE-LIFT • www.braunability.com 2016...
- Page 2 Date of Manufacture Sample Serial Number Identification Tag All illustrations, descriptions and specifications in this manual are based on the latest product information available at the time of publication. The BraunAbility reserves the right to make changes at any time without notice.
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Page 3: Table Of Contents
Platform Sub-Assembly - Inner ......31 Platform Sub-Assembly - Inner Side Plate ..32 Platform Sub-Assembly - Outer ......33 LED / Power Switch Mounting Bracket ....34 Hand Pendant Extension Mounting Bracket ..34 Warranty BraunAbility Limited Warranty ......35-37 ® Page 1... -
Page 4: Lift Terminology
Lift Terminology Mounting Pump Base Stow / Deploy Module Hydraulic H Brace Inner Cylinder Vertical Channel Intermediate Raise / Lower Vertical Channel Hydraulic (S-Beam) Cylinder (not visible) Outer Vertical Channel Outer Upper Control Arm Inner Inner Upper Roll Stop Control Arm Right Inner Handrail... -
Page 5: Switch And Sensor Locations
Switch and Sensor Locations Inner Roll Stop Up Activation Block Inner Roll Stop Occupied Switch Harn. 34700A Inner Roll Stop Deployed Floor Level Cam (Outer) 501-2015BM Inner Roll Stop Deployed Floor Level Cam (Inner) 501-2014BM Platform Unfold Microswitch 30205 Full In Microswitch Full Out 30205... -
Page 6: Certification Checklist Diagnostic Procedures
Platform Lift Installations in Motor Vehicles (49 CFR the referenced procedures to correct the problem or 571.404). contact a BraunAbility Aftersales representative. • Vehicle movement is prevented unless the lift door is closed, ensuring the lift is stowed. 1. Verify lift door closed signal (vehicle interlock). -
Page 7: Switch Adjustments
Switch Adjustments Adjustment Procedures Full In: When the Full In Switch is deactivated (de- point when the Inner Roll Stop is locked in the upright pressed), inward travel of the lift during Stow function position. This deactivation stops the downward travel is stopped. -
Page 8: Lcd Diagnostic Codes
Repeat the harness diagnostic procedure. If 1002 1002 an incorrect value is still present after check- 1002 ing the harness and connections, contact 1002 DIAG 1002 BraunAbility Aftersales. 1002 V104 Lift_Out Floor_SW 1002 HAND-1 L CD MODULE Hand-held Pendant All basic functions... - Page 9 NOTES This page intentionally left blank. Page 7...
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Page 10: Lubrication Diagram
Outer Barrier Bracket Slot (2) Latch Split Foot (both sides) Pivot See the Maintenance/Lubrication Schedule for recommended applications per number of cycles. Specified (recommended) Available BraunAbility Lubricant Type Lubricant Amount Part No. Light Penetrating Oil LPS2, General Purpose 16 oz. -
Page 11: Maintenance And Lubrication Schedule
LPS2 General Purpose Penetrating Oil is recom- Contact your sales representative or call BraunAbility at mended where Light Oil is called out. Use of improp- 1-800-946-7513. One of our Aftersales representatives... - Page 12 Maintenance and Lubrication Schedule Perform all procedures listed in previous section also Outer platform side plates (4 places) and sliding Apply Door Ease to top and bottom edges of outer platform guides (2) platform side plates and bottom edges of sliding platform guides.
- Page 13 • Upper inner control arms (2) • Outer barrier latch gas springs (2 - hairpin) • Spring tensioner pulley bracket (1) • Leaf chain mounting pins (8) Use BraunAbility 32840-QT (Exxon Univis HVI 26) Hydraulic Fluid (Pump) - Check level. Note: Fluid ®...
- Page 14 NOTES This page intentionally left blank. Page 12...
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Page 15: Lift Electrical Schematic
Lift Electrical Schematic DESCRIPTION SYMBOL BATTERY CHASSIS GROUND RD(20) CIRCUIT BREAKER / FUSE JUNCTION RD(20) MOTOR SOLENOID SOLENOID FULL OUT STOW LEVEL MICROSWITCH LIFT INPUTS MICROSWITCH SWITCH RD(18) BK(22) BK(18) RD(20) MICROSWITCH GN(22) DIODE RD(22) BU(22) RD(20) VT(22) BK(22) RD(22) GN(22) FULL IN WH(22) -
Page 16: Lift Wiring Diagram
Lift Wiring Diagram Ground 6-COND WIRE CODE 6-COND WIRE CODE Stud COLOR COLOR GREEN(16) SOLENOID A BU(18) BROWN(16) SOLENOID B SOLENOID C YELLOW(16) RED(16) SOLENOID D BLACK(16) BK(18) NOTES: NOT USED NOT USED BU(18) 1. Junctions occur only at marked intersections. 34571A-1 34774A 2. - Page 17 NOTES This page intentionally left blank. Page 15...
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Page 18: Hydraulic Parts List
Hose Assembly, 58" x 1/4" Dia. - Swivel Ends 400628A Hose Assembly, 60" x 1/8" Dia. - Swivel Ends 16004A-060 Hose Assembly, 9" x 1/4" Dia. - Swivel Ends 35987A-009 Knob, Knurled - Manual Valve 35088 Hydraulic Fluid When adding or changing hydraulic fluid, use BraunAbility 32840-QT (Exxon ® Univis HVI 26) hydraulic fluid (do not mix with Dextron III or other hydraulic fluids). Page 16... -
Page 19: Hydraulic Diagram
Hydraulic Diagram Discard bolt and nut when replacing hand pump assembly Arrow must face valve block Page 17... -
Page 20: Valve Block Housing
Valve Block Housing Exploded View and Parts List DWG. NOTES 1) PLACE EYELET OF HARNESS ONTO BOLT #10006, THEN PLACE ONTO BLOCK #34571A-1 PRIOR TO PLACING INTO HOUSING. 2) AFTER VALVE BLOCK HAS BEEN INSTALLED, INSTALL KNOBS #35088 ONTO MANUAL VALVE STEMS AS SHOWN. AI/fold-out art 1-92 NOTE: 2... -
Page 21: Hydraulic Schematic
Hydraulic Schematic .5 GPM Relief Valve 1500 Relief Valve 1500 Rear Front In/Out In/Out Cylinder Cylinder “B” Valve “C” “A” “D” Valve Valve Valve Valve Block Main Relief Valve 2000 PUMP 1900 Rear Front Up/Down Up/Down Cylinder Cylinder BACKUP Reservoir PUMP Description Symbol... -
Page 22: Mounting Base
Exploded Views and Parts Lists Mounting Base DWG. NOTES 1) APPLY " GREASE-MOBIL TEMP SHC 32 " (BA #28598) TO ALL BEARINGS (12X). 2) APPLY ALCOHOL TO BRACKET 500-0018BM PRIOR TO APPLYING BUMPERS 82064. 3) PLACE BOLT 10013 THRU EYELET OF CABLE 22166A PRIOR TO INSERTING THROUGH HOLE. -
Page 23: Upper / Lower Control Arms - Front
Exploded Views and Parts Lists Upper / Lower Control Arms - Front DWG. NOTES 1) APPLY " GREASE-MOBIL TEMP SCH 32 " (BA #28598) TO ALL BEARINGS. 2) APPLY LOCTITE THREADLOCKER BLUE 242 (BA #18822) OR EQUIVALENT ® ® NOTE: 2 TO 25171 (10X) AND 25527 (1X). -
Page 24: Upper / Lower Control Arms - Rear
Exploded Views and Parts Lists Upper / Lower Control Arms - Rear DWG. NOTES 1) APPLY " GREASE-MOBIL TEMP SCH 32 " (BA #28598) TO ALL BEARINGS. NOTE: 2 2) APPLY LOCTITE THREADLOCKER BLUE 242 (BA #18822) OR EQUIVALENT ® ®... -
Page 25: Inner Vertical Channel - Front
Exploded Views and Parts Lists Inner Vertical Channel - Front DWG. NOTES 1) PARTS 500-0128 AND 500-0175A TO BE LOCATED TOWARD INSIDE OF CHANNEL (8X). 2) PARTS 500-0110 (4X) AND 500-3101A (6X) TO BE LOCATED TOWARD OUTSIDE OF CHANNEL. 3) APPLY " GREASE-MOBIL TEMP SCH 32 " (BA #28598) TO INSIDE ROLLERS PRIOR TO ASSEMBLY (14X). -
Page 26: Inner Vertical Channel - Rear
Exploded Views and Parts Lists Inner Vertical Channel - Rear DWG. NOTES 1) PARTS 500-0128 AND 500-0175A TO BE LOCATED TOWARD INSIDE OF CHANNEL (8X). 2) PARTS 500-0110 (4X) AND 500-0101A (6X) TO BE LOCATED TOWARD OUTSIDE OF CHANNEL. 3) APPLY " GREASE-MOBIL TEMP SCH 32 " (BA #28598) TO INSIDE ROLLERS PRIOR TO ASSEMBLY (14X). -
Page 27: Intermediate Vertical Channel (I-Beam) - Front
Exploded Views and Parts Lists Intermediate Vertical Channel (S-Beam) - Front DWG. NOTES 1) APPLY " GREASE-MOBIL TEMP SHC 32 " (BA #28598) TO INSIDE ROLLER PRIOR TO ASSEMBLY. 2) APPLY LOCTITE THREADLOCKER BLUE 242 (BA #18822) ® ® OR EQUIVALENT ON THREADS. NOTE: 1 NOTE: 2 ITEM... -
Page 28: Intermediate Vertical Channel (I-Beam) - Rear
Exploded Views and Parts Lists Intermediate Vertical Channel (S-Beam) - Rear DWG. NOTES 1) APPLY " GREASE-MOBIL TEMP SHC 32 " (BA #28598) TO INSIDE ROLLER PRIOR TO ASSEMBLY. 2) APPLY LOCTITE THREADLOCKER BLUE 242 ® ® (BA #18822) OR EQUIVALENT ON THREADS. NOTE: 1 NOTE: 2 NOTE: 2... -
Page 29: Outer Vertical Channel - Front
Exploded Views and Parts Lists Outer Vertical Channel - Front DWG. NOTES 1) PARTS 500-0128 AND 500-0175A TO BE LOCATED 4) APPLY LOCTITE THREADLOCKER BLUE #242 ® ® TOWARD INSIDE OF CHANNEL (6X). (BA #18822) OR EQUIVALENT TO ALL THREADS. 2) PARTS 500-0110 AND 500-3101A TO BE LOCATED 5) WIRE TO EXIT THROUGH TOP HOLE. -
Page 30: Outer Vertical Channel - Rear
Exploded Views and Parts Lists Outer Vertical Channel - Rear NOTES: 2&3 DWG. NOTES NOTE: 8 1) PARTS 500-0128 AND 500-0175A TO BE LOCATED TOWARD INSIDE OF CHANNEL (6X). NOTE: 2 2) PARTS 500-0110 AND 500-3101A TO BE LOCATED TOWARD OUTSIDE OF CHANNEL (8X). 3) APPLY "... -
Page 31: Handrail Assembly
Exploded Views and Parts Lists Handrail Assembly - Front DWG. NOTES 1) INSERT BOLT THROUGH CAM AND THREAD INTO SHAFT AFTER SHAFT HAS BEEN INSTALLED INTO HANDRAIL. 2) APPLY LOCTITE THREADLOCKER BLUE 242 (BA #18822) OR EQUIVALENT ON ® ® THREADS. -
Page 32: Platform Assembly
Exploded Views and Parts Lists Platform Assembly DWG. NOTES 1) INSTALL PARTS #34357BM AND #25371 AFTER OUTER PLATFORM IS INSTALLED INTO PLACE. 2) LOCATE SPRING HOOK INTO SPRING ATTACHMENT BRACKET ON THE BOTTOM SIDE OF THE PLATFORM INNER DECK. 3) USE (3) SCREWS FROM INNER ASSEMBLY TO INSTALL GUARD INTO PLACE. 4) APPLY LOCTITE THREADLOCKER BLUE 242 (BA #18822) OR EQUIVALENT... -
Page 33: Platform Sub-Assembly - Inner
Exploded Views and Parts Lists Platform Sub-Assembly - Inner DWG. NOTES 1) APPLY LOCTITE THREADLOCKER BLUE 242 (BA #18822) OR EQIVALENT ON ® ® ALL THREADS. 2) APPLY "GREASE-MOBILTEMP SHC 32" (BA #28598) TO PULLEY INNER HOLE AND INSERT INTO SLOT BEFORE BOLTING INTO PLACE. 3) PLACE HINGE 27425MCI ON TOP OF PLATE #500-0180DS. -
Page 34: Platform Sub-Assembly - Inner Side Plate
Exploded Views and Parts Lists Platform Sub-Assembly - Inner Side Plate (Front) DWG. NOTES 1) USE LOCTITE THREADLOCKER BLUE 242 (BA #18822) ® ® OR EQUIVALENT ON ALL THREADS. ITEM QTY. PART NO. DESCRIPTION 500-0156BM HANDRAIL SUPPORT BRACKET 81027-000 SCREW-1/4-20 X 1-1/4 FHSC 25527 SCREW-5/16-18 X 3/4 "... -
Page 35: Platform Sub-Assembly - Outer
Exploded Views and Parts Lists Platform Sub-Assembly - Outer DWG. NOTES 1) USE LOCTITE THREADLOCKER BLUE 242 (BA #18822) OR EQUIVALENT ON ALL THREADS. ® ® 2) ROUTE HARNESS THRU STRAIN RELIEF (ITEM #40). 3) ROUTE HARNESS THRU CLAMP (ITEM #30). NOTE: 3 NOTE: 2 ITEM... -
Page 36: Led / Power Switch Mounting Bracket
Exploded Views and Parts Lists LED / Power Switch Mounting Bracket ITEM PART NUMBER DESCRIPTION 29857 DIODE-GREEN LED/PANEL MOUNT/24V 31787 SWITCH-TOGGLE W/GOLD CONTACTS/SPADE TERM 400623BM BKT-MTG.GREEN LED POWER SWITCH NL503 Hand Pendant Extension Mounting Bracket ITEM PART NUMBER DESCRIPTION 25759 RIVET-NYLON SNAP-.122 HL/.158-.197 THK 500-0207BM BKT-HAND PENDANT EXTENSION MTG... -
Page 37: Braunability ® Limited Warranty
WARRANTY COVERAGE AND WARRANTY COVERAGE TIME PERIODS BraunAbility (“Braun”) warranty covers certain parts of this wheelchair lift for three (3) years or 7500 cycles and the cost of labor to repair or replace those parts for one (1) year or 2500 cycles . This limited warranty covers substantial defects in materials and workmanship of the lift, provided that the lift is oper- ated and maintained properly and in conformity with the owner’s manual. - Page 38 BraunAbility Limited Warranty ® Some states do not allow limitations on how long an implied warranty lasts, or the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you. HOW TO GET SERVICE To obtain warranty service the owner must do all of the following: 1.
- Page 39 BraunAbility Limited Warranty ® EVENTS DISCHARGING BRAUN FROM OBLIGATION UNDER WARRANTY The following shall completely discharge Braun from any express or implied warranty obligation to repair or replace anything and void this warranty: misuse, neglect, collision, accidents, failure to provide routine maintenance (See Owner’s Manual), unauthorized alteration, off road use, Acts of Nature, damage from...
- Page 40 14122700001 to 14122700006 All illustrations, descriptions and speci cations in this manual are based on the latest product information available at the time of publication. BraunAbility reserves the right to make changes at any time without notice. 400649 Rev. A 631 West 11th Street, P.O.
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