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NUVL855SMXB
www.braunlift.com
®
"Providing Access to the World"
International Corporate Hdqrs: P.O. Box 310
1-800-THE LIFT
®
(574) 946-6153
35098 Rev. A
June 2010
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
®
02
02
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 NUVL855SMXB
Summary of Contents for Braun Under-Vehicle Lift NUVL855SMXB
- Page 1 Service Manual for: NUVL855SMXB 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 .......... 29-3 ® Page ... -
Page 4: Lift Terminology
Lift Terminology Lift Mounting Brackets (6) Hydraulic Hand-Held Attendant's Cylinders Torque Control Box Tube Inner Roll Stop Lift Housing Lifting Arms Outer Barrier Actuator I N G h T-ha uall lock ndle y mov Fail befo e plat fully resu driv plat form... -
Page 5: Switch And Sensor Locations
Switch and Sensor Locations Full Out Limit Switch Lift Out Cam 73950A 73775 Lift Out Full Out Cam Limit Switch 75776CN 73950A Pressure Transducer 30426 W AR NI NG h T-ha uall ndle y mov lock Fail befo e plat fully resu driv... -
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
C105 board and the associated lift harness. 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 V104 OBAR S 1 W Magnetic... -
Page 9: Floor Level And Inner Roll Stop Adjustments
CAUTION 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° VALVE 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. Rotate the cam so the cam follower bearing engages the cam notch (saddle). See Photos E and F. 6. Reinstall the cam securement bolt in one of the three lifting arm holes that aligns best with one of the nine cam holes.
- Page 12 CAUTION Floor Level and Inner Roll Stop 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 Inner Roll Stop 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
Points Rollers Hinge Pivot Pivot Points (bearings) 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 6 oz. LO - Light Oil... -
Page 15: Maintenance And Lubrication Schedule
Specified lubricants are available from operation. Contact your sales representative or call The Braun Corporation (part numbers below). The Braun Corporation. One of our national Product Support representatives will direct you to an autho- All listed inspection, lubrication and maintenance pro- rized service technician who will inspect your lift. - 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
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. Fill to maximum fluid level indicated on reservoir (speci- fied on decal). - Page 19 Troubleshooting Diagnosis Chart FUNCTION POSSIBLE CAUSE REMEDY 4.11 Outer Barrier switch is not acti- Check diagnostic LCD for Outer Barrier switch status. vated or defective. Barrier is down or barrier release pin partially out. 4.00 See Outer Barrier Occupied Calibration on page 5. LIFT WILL Replace if necessary.
- Page 20 Troubleshooting Diagnosis Chart FUNCTION POSSIBLE CAUSE REMEDY 10.11 Poor plug connections Check harness connectors A1 and A2, E1, N1, N2, E1, F1 and F2. 10.00 BARRIER WILL Check power at motor. Adjust or replace actuator 10.12 Faulty barrier actuator motor NOT OPERATE if necessary.
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Page 21: Lift Wiring Schematic
Lift 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 USED OR / BK NOT FULL OUT BU / BK LIFT OUT LIFT OUT LIFT OUT NOT USED... -
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 AI/fold-out art 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) NUVL855R-02-008.ai Page 23A Page 24A... -
Page 26: Complete Lift
Complete Lift Exploded View AI/fold-out art 1-92 31 27 31 27 Page 23B Page 24B... -
Page 27: Repair Parts List
Repair Parts List Item Qty. Description Part No. Item Qty. Description Part No. Housing Weldment 75101NW Plug, 1 1/2" x 2" x 11 Gauge Tube 81582 Clamp, Lift Mounting (5 Shown) 73733 Clamp, 1/4" I.D. Nylon Loop, Black 84396 Bracket, In/Out Switch Mounting 73719 Pin, Lower Cover 75736ESM... -
Page 28: Housing Detail
Lift Housing Detail Exploded View 31 27 Page 26... -
Page 29: Carriage Detail
Lift Carriage Detail Exploded View 31 27 Page 27... -
Page 30: Platform Detail
Lift Platform Detail Exploded View Page 28... -
Page 31: Braun ® Limited Warranty
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 32 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 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 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 34 NOTES This page intentionally left blank. Page 32...
- Page 35 "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 36 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.