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NUVL604XB
www.braunlift.com
®
"Providing Access to the World"
International Corporate Hdqrs: P.O. Box 310
1-800-THE LIFT
®
(574) 946-6153
35337 Rev. A
February 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 NUVL604XB
Summary of Contents for Braun Under-Vehicle Lift NUVL604XB
- Page 1 Service Manual for: NUVL604XB 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 supplied. 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 .......... 24 Pump Module Diagram ........... 25 Lift Exploded Views Complete Lift ............26 Repair Parts List ............27 Carriage Detail ............28 Housing Detail ............29 Platform Detail ............30 Warranty Braun Limited Warranty ........3-33 ® Page ... -
Page 4: Lift Terminology
Lift Terminology Lift Mounting Brackets (6) Hand-Held Pendant Control Hydraulic Cylinder Torque Inner Tube Roll Stop Rolling Horizontal Arms Handrail (2) Outer W ARN Barrier Push manu T-han lock ally move Failur result before e to engag drivin fully platfo e platfo deplo platfo... -
Page 5: Switch And Sensor Locations
Switch and Sensor Locations Full Out Cam 75776CN Lift Out Full Out Limit Switch Limit Switch 73950A 73950A Lift Out Cam Floor Level 73775 Limit Switch 73950A Below Stow Limit Switch 73950A Floor Level 73712 Below Stow 73712 Barrier Down Limit Switch 73950RNA Push... -
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 Adjustment Procedures Remove eccentric plate mounting screw. Using screwdriver or small rod, rotate the shaft clockwise Lift Out Switch: The Lift Out Switch stops inward to increase carriage height. Rotate the shaft coun- 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
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 the sary). tioning of the platform and inner roll stop requires a combination Quick Reference Installation Sheet supplied with the lift. - Page 10 CAUTION CAUTION Floor Level and Inner Roll Stop Adjustments Inner Roll Stop Adjustment Inner Roll Stop VALVE CAUTION POWER PACK Do not adjust inner roll stop clevis link. Clevis link adjust- OPEN ment may result in lift damage. CLOSE Do not adjust inner roll stop clevis link at this time! Clevis link adjustment is 31637-005.ai...
- Page 11 Floor Level and Inner Roll Stop Adjustments Inner Roll Stop Adjustment 3. Use an Allen wrench to prevent the 3/8" Serrated Flange Nut cam locking screw from turning and loosen the 3/8 serrated flange nut " securing the lifting arm cam. See Photo D.
- Page 12 CAUTION 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 inner roll stop Improper inner roll clevis link stop clevis link unless extra adjustment may usable plat-...
- Page 13 NOTES This page intentionally left blank. Page ...
- Page 14 Hinge NUVL604XB-02-011.ai Lower Closure (bearings) 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 6 oz. LO - Light Oil...
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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 Check drive chain tension. Pull out and lock manual release cable. Adjust chain tension as needed. See Drive Chain Adjust- ment. Resecure, replace or correct as needed. See Inspect inner roll stop and linkage for: Floor Level and Inner Roll Stop Adjustment In- •...
- Page 17 Resecure, replace or correct as needed. or damage. Hydraulic Fluid (Pump) - Check level. Note: Fluid Use Braun 87010R (5606 aviation fluid). Do should be changed if there is visible contamination. not mix with Dextron lll 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 Check diagnostic LCD for Outer Barrier switch sta- activated or damaged. 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.
- Page 22 NOTES This page intentionally left blank. Page 20...
- Page 23 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 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 AI/fold-out art Hand Pump (Backup) with O-Rings (Includes Item #6) -
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) Page 25... -
Page 28: Complete Lift
Complete Lift Exploded View AI/fold-out art 1-92 QTY. 4 QTY. 8 125 10 70 76 9 18 52 49 Page 26... -
Page 29: Repair Parts List
Repair Parts List Item Qty. Description Part No. Item Qty. Description Part No. Housing Weldment 74101NW Retainer, Scissor Bearing 73737-05 Clamp, Lift Mounting 73733 Screw, 5/16-24 x 1 1/4", Flat Head, Socket Cap 82774 Nut, 1/4" NC Rivet 83020 Platform Weldment 74301BNW Chain Release Assembly 73760A Rivet, Pop-SD64BS 3/16"-.13/.25 Auto BK... -
Page 30: Carriage Detail
Carriage Detail Exploded View 70 76 9 18 52 49 Page 28... -
Page 31: Housing Detail
Housing Detail Exploded View Page 29... -
Page 32: Platform Detail
Platform Detail Exploded View AI/fold-out art 1-92 QTY. 4 QTY. 8 125 10 Page 30... - Page 33 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 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 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.