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www.braunlift.com
®
"Providing Access to the World"
International Corporate Hdqrs: P.O. Box 310
1-800-THE LIFT
®
(574) 946-6153
35076
October
2008
Service Manual for:
Under-Vehicle Lift
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 #5,305,486
Patent #5,305,486
®
02
02
Read manual
before installing
or servicing lift.
Failure to do so
may result in
serious bodily
injury and/or
property damage.
W A R N I N G
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Table of Contents
Related Manuals for Braun Corporation UVL Series
Summary of Contents for Braun Corporation UVL Series
- Page 1 Service Manual for: ® Under-Vehicle Lift 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 Adjustments and Calibration ........5 LCD Diagnostic Codes ..........6 Floor Level and Inner Roll Stop Adjustments ..7-11 Lubrication Diagram ........... 12 Maintenance and Lubrication Schedule .... -
Page 4: Lift Terminology
Lift Terminology Lift Mounting Brackets (6) Hydraulic Cylinders Hand-Held Attendant's Control Box Inner Roll Stop Lift Housing Rolling Horizontal Arms W AR NI NG h T-ha uall ndle y mov lock e plat fully Fail resu befo form lt in lock driv plat... -
Page 5: Switch And Sensor Locations
Switch and Sensor Locations Full Out Limit Switch 73950A Lift Out Cam Lift Out Full Out Cam 73775 Limit Switch 75776CN 73950A Pressure Transducer 30426 h T-ha lock ually ndle Failu befo e plat fully resu lt in lock driv form plat plat... -
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: Adjustments And Calibration
Adjustments and Calibration Remove eccentric plate mounting screw. Using Adjustment Procedures screwdriver or small rod, rotate the shaft clockwise to increase carriage height. Rotate the shaft coun- Lift Out Switch: The Lift Out Switch stops inward terclockwise to decrease carriage height. Reinstall travel of the carriage/platform during Stow function mounting screw in nearest retainer hole. -
Page 8: Lcd Diagnostic Codes
Repeat the harness diagnostic procedure. If an incorrect value is still present after checking the harness and connections, contact The Braun Corporation Product Support Department. 243R OBAR S 1 W diag Button... -
Page 9: Floor Level And Inner Roll Stop Adjustments
Floor Level and Inner Roll Stop Adjustments Achieving proper floor level posi- Ensure the lift is positioned and Instructions (adjust only if neces- secured as specified on Quick sary). The inner roll stop must tioning of the platform and inner roll stop requires a combination Reference Installation Sheet rest properly on the vehicle floor... - Page 10 Floor Level and Inner Roll Stop Adjustments Inner Roll Stop Adjustment Do not adjust CAUTION inner roll stop Inner Roll Stop linkage rod at Do not adjust inner this time! Link- roll stop linkage rod. age rod adjust- Linkage rod adjust- ment is not ment may result in required unless...
- Page 11 Floor Level and Inner Roll Stop Adjustments Inner Roll Stop Adjustment 3. Use an Allen wrench to prevent the cam locking screw from turning and loosen the 3/8 ser- " rated flange nut securing the lifting arm cam. See Photos D and E.
- Page 12 Floor Level and Inner Roll Stop Adjustments Inner Roll Stop Adjustment Do not ad- Linkage rod adjustment affects angle CAUTION of inner roll stop (vertical position). just the in- ner roll stop Improper inner roll linkage rod stop linkage rod unless extra adjustment may usable plat-...
- Page 13 Floor Level and Inner Roll Stop Adjustments Inner Roll Stop Occupied Sensor Adjustment 1. The optimum setting for the inner roll Adjustment Nut stop occupied sensor adjustment nut is to have just enough pressure to fold and unfold the inner roll stop without trigger- ing the inner roll stop occupied sensor.
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Page 14: Lubrication Diagram
Maintenance and Lubrication Lubrication Diagram Drive Chain and Rollers Drive Chain Release Latch Hydraulic Cylinder Eccentric Pivot Shaft Torque Points Rollers Tube (bearings) Pivot Points Hydraulic Lifting Arm Cylinder Pivot Points Rolling Pivot Horizontal Points Carriage Tube Eccentric Slot Area Shaft and Carriage Rollers... -
Page 15: Maintenance And Lubrication Schedule
Specified lubricants are available there is any sign of wear, damage or improper operation. from The Braun Corporation (part numbers provided on Contact your sales representative or call The Braun Cor- previous page). - Page 16 Maintenance and Lubrication Schedule Inspect lift for rattles Correct as needed. Check drive chain tension. Pull out and lock manual release cable. Adjust chain tension as needed. See Drive Chain Adjustment. Inspect inner roll stop and linkage for: Resecure, replace or correct as needed. See •...
- Page 17 Maintenance and Lubrication Schedule Inspect limit switches for securement and proper Resecure, replace or adjust as needed. See adjustment Switch Adjustment. Inspect carriage, lifting arm and eccentric shaft Correct, replace damaged parts and/or relubricate. rollers (bearings) for wear or damage, positive securement and proper operation Inspect external snap rings (e-clips): Resecure, replace or correct as needed.
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Page 18: Troubleshooting Diagnosis Chart
A Wir- Troubleshooting and yourself. Contact your dealer or ing Diagram, Electrical Sche- repair procedures call The Braun Corporation. One matic, Hydraulic Diagram and must be performed of our national Product Support Hydraulic Schematic are provided as specified by au-... - Page 19 Troubleshooting Diagnosis Chart FUNCTION POSSIBLE CAUSE REMEDY 4.11 Outer Barrier switch is not Check diagnostic LCD for Outer Barrier switch sta- activated or defective. tus. Barrier is down or barrier release pin partially 4.00 out. See Outer Barrier Occupied Calibration on LIFT WILL page 5.
- Page 20 Troubleshooting Diagnosis Chart FUNCTION POSSIBLE CAUSE REMEDY 10.11 Poor plug connections Check harness connectors A1 and A2, E1, N1, 10.00 N2, E1, F1 and F2. BARRIER WILL NOT OPERATE 10.12 Faulty barrier actuator motor or Check power at motor. Adjust or replace actuator UP OR DOWN actuator out of adjustment if necessary.
- Page 21 Troubleshooting Diagnosis Chart CONTACT REMOVAL 1. Remove orange wedge using 2. To remove the contacts, gently 3. Hold the rear seal in place, as needle nose pliers or a hook shaped pull wire backwards, while at the removing the contact will displace wire to pull wedge straight out.
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Page 22: Lift Wiring Schematic
Wiring Schematic SW PWR SW PWR SW PWR IGN PWR IGN PWR IGN PWR BELOW STOW BELOW STOW BELOW STOW FULL OUT FULL OUT FULL OUT NOT FULL OUT NOT USED OR / BK LIFT OUT LIFT OUT LIFT OUT BU / BK NOT USED NOT USED... -
Page 23: Notes
NOTES This page intentionally left blank. Page 21... -
Page 24: Hydraulics Parts List
Hydraulic Parts List Item Qty. Description Part No. Pump Assembly (M259 with Reservoir/with Back-up pump) 87060 Motor, Pump 14785-IS Valve, “Down” (with Solenoid) 14901 Clamp, Reservoir - H-48 17069 Reservoir Replacement Kit (Includes Item #10) 88188K O-Ring (only), Hand Pump Mounting 17351 Hand Pump (Backup) with O-Rings (Includes Item #6) 87065... -
Page 25: Hydraulics Diagram
Hydraulic Diagram Arrow must face pump Arrow must face pump Page 23... -
Page 26: Pump Module Parts List
Pump Module Parts List Item Qty. Description Part # Pump Assembly, M259 87060 Adapter, 1/4” Male NPT x 7/16-20 Male JIC 37° 10130 Hose Assembly, 1/4”- F. Swivel 7/16-20 JIC 37° 32785A-202 Fitting, 90° - 7/16-20 Male JIC 37° x 1/4” Male NPT 87569 Coupling, Hydraulic Quick Connect x 1/4”... -
Page 27: Pump Module Diagram
Pump Module Diagram DOWN SOLENOID CIRCUIT SENTRY DOWN SOLENOID LIFT STOWED SIGNAL (OUTPUT) VEHICLE SECURE SIGNAL (INPUT) Page 25... -
Page 28: Complete Lift
Complete Lift Exploded View 50 48 42 81 38 112 Page 26... -
Page 29: Repair Parts List
Repair Parts List Item Qty. Description Part No. Item Qty. Description Part No. Housing Weldment 75101RNW Rod End, 5/16-24 LH Male x 1 1/2" LG 31773 Bearing, Outer Race Assembly 75230A Chain Release Weldment 73760A Rod End, 5/16-24 Male x 1 1/2" LG 31772 Cover, Lower 75732-2... -
Page 30: Housing Detail
Lift Housing Detail Exploded View Page 28... -
Page 31: Carriage Detail
Lift Carriage Detail Exploded View 50 48 42 81 38 112 Page 29... -
Page 32: Platform Detail
Lift Platform Detail Exploded View Page 30... -
Page 33: Braun Limited Warranty
WARRANTY COVERAGE AND WARRANTY COVERAGE TIME PERIODS The Braun Corporation (“Braun”) warranty covers certain parts of this wheelchair lift for three (3) years or 10,000 cycles and the cost of labor to repair or replace those parts for one (1) year or 3,000 cycles . This limited warranty covers substantial defects in materials and workmanship of the lift, provided that the lift is operated and maintained properly and in conformity with the owner’s manual. - Page 34 ® Braun Limited Warranty This warranty does not cover, and in no event shall Braun be liable for towing charges, travel, lodging, or any other expense incurred due to the loss of use of the product or other reason. 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.
- Page 35 ® Braun 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 weather or the environment, theft, vandalism, tampering, fire, explosions, overloading the product and odometer tampering.
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Page 36: Notes
NOTES This page intentionally left blank. Page 34... - Page 37 "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 38 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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