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Braun Under-Vehicle Lift NUVL603C Service Manual

Uvl series private use wheelchair lifts
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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
35033
November
2008
Service Manual for:
Under-Vehicle Lift
Private Use Wheelchair Lifts
Series
DOT — Private Use Lift
DOT — Private Use Lift
"DOT — Private Use Lift" verifies that this platform lift meets only
the "private use lift" requirements of FMVSS No. 403. This lift may
be installed on all vehicles appropriate for the size and weight of
the lift, except for 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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Summary of Contents for Braun Under-Vehicle Lift NUVL603C

  • Page 1 Service Manual for: ® Under-Vehicle Lift Private Use Wheelchair Lifts Series DOT — Private Use Lift DOT — Private Use Lift “DOT — Private Use Lift” verifies that this platform lift meets only the “private use lift” requirements of FMVSS No. 403. This lift may be installed on all vehicles appropriate for the size and weight of the lift, except for buses, school buses, and multi-purpose passenger vehicles other than motor homes with a gross vehicle...
  • 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 left platform side plate (outboard end). A second I.D. tag is located inside of the pump module.

  • Page 3: Table Of Contents

    Pump Module Diagram ......... 25 Lift Exploded Views Complete Lift ............26 Repair Parts List ........... 27 Housing Detail ............28 Carriage Detail............29 Platform Detail ............30 Warranty Braun ® Limited Warranty ........31-33 Notes ................34 Page 1...

  • Page 4: Lift Terminology

    Lift Terminology Lift Mounting Brackets (4) Chain Drive Motor Hydraulic Cylinder Hand-Held Attendant's Inboard Control Box Locator Torque Tube Lift Housing Lifting Arms Outer Barrier Actuator I N G h T-ha uall ndle lock y mov fully Fail befo e plat resu driv form...

  • Page 5: Switch And Sensor Locations

    Switch and Sensor Locations Lift Out Full Out Lift Out Limit Switch 73950A 73775 73774 Full Out Limit Switch Below Stow Floor Level Limit Switch 73950A Limit Switch 73950A 73950A Floor Level 73712 Below Stow 73712 Outer Barrier Limit Switch 73950A W AR NI NG...

  • Page 6: Certification Checklist

    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 Adjustment Procedures Lift Out Switch: The Lift Out Switch stops inward Remove eccentric plate mounting screw. Using travel of the carriage/platform during Stow function screwdriver or small rod, rotate the shaft clockwise to increase carriage height. Rotate the shaft coun- (activated by the housing-mounted Lift Out Cam).

  • 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 Inboard Locator Adjustments

    Floor Level and Inboard Locator Adjustments Ensure the lift is positioned and Achieving proper floor level sary). The inboard locator must secured as specified on Quick positioning of the platform and rest properly on the vehicle floor Reference Installation Sheet (sup- inboard locator requires a com- for wheelchair entry and exit.
  • Page 10 Floor Level and Inboard Locator Adjustments Inboard Locator Adjustment Do not adjust Inboard Locator CAUTION inboard loca- tor linkage rod Do not adjust in- at this time! board locator link- Linkage rod age rod. Linkage adjustment is not rod adjustment may required unless result in lift damage.
  • Page 11 Floor Level and Inboard Locator Adjustments Inboard Locator Adjustment 3. Remove the 1/4 lock nut se- " curing the lifting arm cam bolt. See Photos D and E. Do not remove the bolt. Raise the platform fully (floor level) using the manual op- eration system.

  • Page 12: Floor Level And Inboard Locator Adjustments

    Floor Level and Inboard Locator Adjustments Inboard Locator Linkage Rod Adjustment Linkage rod adjustment affects angle Do not adjust the of inboard locator (vertical position). CAUTION inboard locator linkage rod un- Improper inboard less extra usable locator linkage rod platform length adjustment may is needed.

  • Page 13: Lubrication Diagram

    Outer Barrier Inboard Locator Hinge Lower Closure Pivot Points Pivot Points 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 14: Maintenance And Lubrication Schedule

    Specified lubricants are available or if there is any sign of wear, damage or improper from The Braun Corporation (part numbers on previous operation. Contact your sales representative or call page). The Braun Corporation. One of our national Product...
  • Page 15 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. Resecure, replace or correct as needed. See Inspect inboard locator and linkage for: •...

  • Page 16: Maintenance And Lubrication Schedule

    Inspect power cable Resecure, repair or replace if needed. Hydraulic Fluid (Pump) - Check level. Note: Fluid Use Braun 87010R (5606 aviation fluid). Do should be changed if there is visible contamina- not mix with Dextron III or other hydraulic fluids.

  • Page 17: Troubleshooting Diagnosis Chart

    Power pack must be mounted vertically. PUMP RUNS BUT WILL 2.13 No oil (low) Use Braun 87010R (5606 aviation fluid). Do NOT LIFT not mix with Dextron III or other hydraulic fluids. PLATFORM Check fluid level with platform lowered fully.
  • Page 18 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 GO UP WITH page 5.
  • Page 19 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 20 Troubleshooting Diagnosis Chart CONTACT REMOVAL 1. Remove orange wedge using 2. To remove the contacts, gently pull 3. Hold the rear seal in place, as needle nose pliers or a hook shaped wire backwards, while at the same removing the contact will displace wire to pull wedge straight out.

  • Page 21: Notes

    NOTES This page intentionally left blank. Page 19...

  • Page 22: Lift Wiring Schematic - Main

    Lift Wiring Schematic - Main 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...

  • Page 23: Lift Wiring Schematic - Accessories

    Lift Wiring Schematic - Lift Accessories #33496KS REMOTE, RECEIVER & HARNESS #86476 REMOTE & RECEIVER #86483 DOWN STOW DOOR CLOSE #86477 THE BRAUN CORPORATION 86478 TAILLIGHT MAGNETIC SWITCHES-FORD #33576K CLOSE MAGNET LIFT DEVICES LIGHT HAND PENDANT 25’ EXTENSION #73947N-2500 STATION...

  • Page 24: Hydraulics Parts List

    Hydraulic Parts List Item Qty. Description Part # Pump Assembly (M259 with Reservoir/with Back-up pump) 87060 Motor, Pump - 12 Volt 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 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-154 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) PUMP GROUND Page 25...

  • Page 28: Complete Lift

    Complete Lift Exploded View 46 47 Page 26...

  • Page 29: Repair Parts List

    Repair Parts List Item Qty. Description Part No. Item Qty. Description Part No. Housing Weldment 73101NW Skid, Rear Barrier 74402-15 Clamp, Lift Mounting 73733 Nut, 10-32 Serrated Flange ZP 83080 Nut, 1/4 " NC Rivet 83020 Screw, 10-32 x 1/2" PH PN ZP 82744 Chain Release Assembly 73760A...

  • Page 30: Housing Detail

    Lift Housing Detail Exploded View Page 28...

  • Page 31: Carriage Detail

    Lift Carriage Detail Exploded View Page 29...

  • Page 32: Platform Detail

    Lift Platform Detail Exploded View 46 47 Page 30...

  • Page 33: Braun Limited Warranty

    first retail purchaser by an independent, authorized dealer of Braun, or, if the dealer places the product into any type of service prior to retail sale, on the date the dealer first places the product in such service.
  • Page 34 You must inspect the product for this type of damage when you take delivery. If you find any such defect or damage you must notify the selling dealer, or Braun, at the time of delivery to have these items covered by this limited warranty and to have work performed on the items at no cost to you as provided by this limited warranty.

  • Page 35: Braun ® Limited Warranty

    Braun will do and does not guarantee anything about the product for any time period. Nothing in this warranty, or any action of Braun, or any agent of Braun, shall be interpreted as an extension of any warranty period or the filing limitation period in this paragraph. Some states do not allow a reduction in the statute of limitations, so this reduction may not apply to you.

  • 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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