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NUVL855R
www.braunlift.com
®
"Providing Access to the World"
International Corporate Hdqrs: P.O. Box 310
1-800-THE LIFT
®
(574) 946-6153
35188 Rev. B
August
2012
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
®
03
03
Read manual
before installing
or servicing lift.
Failure to do so
may result in
serious bodily
injury and/or
property damage.
W ARNING
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Table of Contents
Related Manuals for Braun Under-Vehicle Lift NUVL855R
Summary of Contents for Braun Under-Vehicle Lift NUVL855R
- Page 1 Service Manual for: NUVL855R ® 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 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.
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Page 3: Table Of Contents
Pump Module Parts List .......... 22 Pump Module Diagram .........23A, 24A Lift Exploded Views Complete Lift ..........23B, 24B Repair Parts List ............25 Housing Detail ............26 Carriage Detail ............27 Platform Detail ............28 Warranty Braun ® Limited Warranty ........29-31 Page 1... -
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 lock y mov 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- and the inner roll stop must rest CAUTION tioning of the platform and inner solidly on vehicle floor with 7° roll stop requires a combination maximum angle (relative to the Do not adjust inner of Floor Level switch adjustment platform). - Page 10 Floor Level and Inner Roll Stop Adjustments Floor Level Switch Adjustment 4. If the inner roll stop does not rest solidly on ve- Floor Level Requirements: When the lift is hicle floor or the angle is more than 7°, open positioned at floor level (raised fully), the bot- the hand pump valve (turn counterclockwise) to tom of the platform must be above floor level...
- Page 11 Floor Level and Inner Roll Stop Adjustments Inner Roll Stop Cam Adjustment 5. Measure the angle of inner roll stop and verify the slope is a maximum of 7° (rela- tive to the platform). If correct, tighten the serrated flange nut and screw secur- "...
- Page 12 Floor Level and Inboard Locator Adjustments Usable Platform Length Do not adjust Linkage rod adjustment affects angle CAUTION of inner roll stop (vertical position). the inner roll stop linkage Improper inner roll rod unless stop linkage rod extra usable adjustment may platform length result in lift damage.
- Page 13 Floor Level and Inboard Locator Adjustments Inner Roll Stop Occupied Sensor Adjustment Adjustment Nut The optimum setting for the inner roll stop occupied sensor adjustment nut is to have just enough pressure to fold and unfold the inner roll stop without triggering the inner roll stop occupied sensor.
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Page 14: Lubrication Diagram
Inner Roll Rollers Stop Catch (bearings) Lower Closure 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 16 oz. LO - Light Oil... -
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). poration. One of our national Product Support represen-... - 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 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.
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Page 18: Troubleshooting Diagnosis Chart
PUMP RUNS Power pack must be mounted vertically. 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. Fill to maximum fluid level indicated on reservoir (speci-... - 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 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...
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Page 22: Contact Removal
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 23: Hydraulics Diagram
Hydraulic Diagram Arrow must face pump Arrow must face pump Page 21... -
Page 24: 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 25: Pump Module Diagram
Pump Module Diagram DOWN SOLENOID CIRCUIT SENTRY DOWN SOLENOID LIFT STOWED SIGNAL (OUTPUT) VEHICLE SECURE SIGNAL (INPUT) Page 23A Page 24A... -
Page 26: Complete Lift
Complete Lift Exploded View 50 48 42 81 38 112 Page 23B Page 24B... -
Page 27: Repair Parts List
Repair Parts List Item Qty. Description Part No. Item Qty. Description Part No. Housing Weldment 75101RNW 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 Washer, #10 Internal Tooth 11540 Clamp, Lift Mounting 73733... -
Page 28: Housing Detail
Lift Housing Detail Exploded View Page 26... -
Page 29: Carriage Detail
Lift Carriage Detail Exploded View 50 48 42 81 38 112 Page 27... -
Page 30: Platform Detail
Lift Platform Detail Exploded View Page 28... -
Page 31: Braun Limited Warranty
The warranty period begins of Braun, or, if the dealer places the product into any type of service prior to retail sale, on the date the may not be transferred. - Page 32 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 33 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 in the statute of limitations, so this reduction may not apply to you.
- Page 34 NOTES This page intentionally left blank. Page 32...
- Page 35 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.