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Braun NUVL855RM24 - page 1
Under -V ehicle Lift ® W A R N I N G Read manual before installing or servicing lift. Failure to do so may result in serious bodily injury and/or property damage. ual Man "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 ® ® Braun UVL S ...
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Braun NUVL855RM24 - page 2
The Braun Corporation NUVL855RM24 01-00025 07/09/2007 1-800-THE-LIFT BRAUNLIFT .COM TM MFG DA TE SERIAL NUMBER TM DOT Private Use Lift MODEL# Max. Lifting Capacity - 700Lbs. W e at The Braun Corporation wish to express our fullest appr eciation on your new pur chase. With you in mind, our skilled craftsmen have designed and assembled the finest li ...
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Braun NUVL855RM24 - page 3
Page 1 Contents T roubleshooting and Maintenance Lift T erminology ............................................................ 2 Switch and Sensor Locations ..................................... 3 Certi fi cation Checklist Diagnostic Procedures ......... 4 Adjustments and Calibration ....................................... 5 LCD Diagnostic Codes ...
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Braun NUVL855RM24 - page 4
Page 2 Outboard Right Left Inboard Lift T erminology Hydraulic Cylinders Rolling Horizontal Arms Outer Barrier Actuator Platform Cable-activated Manual Release System Hand-Held Attendant's Control Box Inner Roll Stop Carriage Platform T wo-Stage Outer Barrier Lifting Arms T orque T ube Lift Housing Shield Handrail with Belt ...
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Braun NUVL855RM24 - page 5
Page 3 Switch and Sensor Locations Barrier Down Limit Switch 73950RNA Lift Out Cam 73775 Pressure T ransducer 30426 Full Out Cam 75776CN Lift Out Limit Switch 73950A Full Out Limit Switch 73950A Switch 1 Limit Switch 73950A Switch 0 Limit Switch 73950A Switch 0 Cam 73712 Switch 1 Cam 73712 Below Stow Limit Switch 73950A Floor Level Limit Switch 739 ...
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Braun NUVL855RM24 - page 6
Page 4 • V ehicle movement is prevented unless the lift door is closed, ensuring the lift is stowed. 1. V erify lift stowed signal (pin 7) in the 9 conductor plug on the side of the pump module has a +24 volt signal. 2. Refer to the interlock installation instructions. • Lift operation shall be prevented unless the vehicle is stopped and vehicl ...
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Braun NUVL855RM24 - page 7
Page 5 Adjustments and Calibration Adjustment Procedures Lift Out Switch: The Lift Out Switch stops inward travel of the carriage/platform during Stow function (activated by the housing-mounted Lift Out Cam). Move cam in to increase inward travel. Move cam out to decrease inward travel. Full Out Switch: The Full Out Switch stops outward travel of t ...
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Braun NUVL855RM24 - page 8
Page 6 K MP916 0.010 Ω .5% R 103 103 321 321 321 V104 LCD MODULE 8.00M L_DN B_UP L_OUT L_UP B_DN L_IN 50# CAL O_BAR D14 J27 U? CYCLE DIAG U15 U11 U10 U2 J9 J11 J10 J17 J16 J14 J8 J5 J21 J19 J20 D9 D6 D8 D7 D13 D11 J39 J38 K7 K10 D12 D10 100 VHA 6C5 C12 220 CFK 6C9 C18 100 VHA 6C5 C13 MAG_SW HAND-1 HAND-2 INT D/S U/D J29 J30 J22 J25 10 9 8 7 6 5 J4 ...
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Braun NUVL855RM24 - page 9
Page 7 Floor Level and Inner Roll Stop Adjustments Achieving proper fl oor level positioning of the plat- form and inner roll stop requires a combination of Floor Level switch adjustment and inner roll stop adjustment. Both are factory set but must be in- spected during installation procedures (will vary per vehicle application). Ensure the lift i ...
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Braun NUVL855RM24 - page 10
Page 8 O P E N C L O S E VA LV E 2. Position the lift platform ap- proximately 12" above stow level using the manual operation system . See Photo C. Raising the platform will allow access to the cam securement screw and nut. See Photo E. Inner Roll Stop Adjustment CAUTION Do not adjust inner roll stop linkage rod. Linkage rod adjust- ment may ...
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Braun NUVL855RM24 - page 11
Page 9 Inner Roll Stop Adjustment 3. Use an Allen wrench to prevent the cam locking screw from turning and loosen the 3/8 " ser- rated fl ange nut securing the lifting arm cam. See Photos D and E. Do not remove the screw or nut. 4. Raise the platform 1" above fl oor level using the manual operation system . 5. T urn the cam adjustment s ...
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Braun NUVL855RM24 - page 12
Page 10 Do not ad- just the in- ner roll stop linkage rod unless extra usable plat- form length is needed. See Photo Linkage rod adjustment affects angle of inner roll stop (vertical position). CAUTION Improper inner roll stop linkage rod adjustment may result in lift damage. G. If the angle of the inner roll stop (when in the vertical position) re ...
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Braun NUVL855RM24 - page 13
Page 1 1 Inner Roll Stop Occupied Sensor Adjustment 1. 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 trigger- ing the inner roll stop occupied sensor . This provides the most weight sensitive setting while allowing the unoccupied inner roll s ...
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Braun NUVL855RM24 - page 14
Page 12 Speci fi ed (recommended) A vailable Braun Lubricant T ype Lubricant Amount Part No. LO - Light Oil SG - Synthetic Grease Synthetic Grease Mobiltemp SHC32 12.5 oz. (Multipurpose) T ube Light Penetrating Oil LPS2, General Purpose 1 1 oz. (30 weight or equivalent) Penetrating Oil Aerosol Can Stainless Stick Door-Ease 1.68 oz. Style (tube) St ...
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Braun NUVL855RM24 - page 15
Page 13 Maintenance and Lubrication Schedule Maintenance and lubrication procedures must be performed as speci fi ed by an authorized service technician. Failure to do so may result in serious bodily injury and/or property damage. W A RN I N G Proper maintenance is necessary to ensure safe, trouble free operation. Inspecting the lift for any wear ...
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Braun NUVL855RM24 - page 16
Page 14 Maintenance and Lubrication Schedule 1500 Cycles 750 Cycles Apply Light Oil - See Lubrication Diagram Apply Door-Ease - See Lubrication Diagram. Apply to the surface area around both slots and wipe off excess. Apply Light Oil - See Lubrication Diagram Apply Light Oil - See Lubrication Diagram Apply Synthetic Grease - See Lubrication Diagram ...
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Braun NUVL855RM24 - page 17
Page 15 Maintenance and Lubrication Schedule Hydraulic Fluid (Pump) - Check level. Note: Fluid should be changed if there is visible contamina- tion. Inspect the hydraulic system (cylinder , hoses, fi ttings, seals, etc.) for leaks if fl uid level is low . Inspect lifting arm bushings and pivot pins for vis- ible wear or damage Inspect outer barr ...
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Braun NUVL855RM24 - page 18
Page 16 T r oubleshooting Diagnosis Chart 1.00 NO OPERA TION 2.1 1 Hydraulic Down valve open 2.12 Pump mounted horizontal 2.13 No oil (low) 1.1 1 Low battery 1.12 Bad ground 1.13 Poor plug connections 1.14 Blown fuse 1.15 Circuit Sentry 1.16 Defective Interlock Check vehicle battery Check for good ground between vehicle chassis and 3/8” bolt on b ...
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Braun NUVL855RM24 - page 19
Page 17 FUNCTION POSSIBLE CAUSE REMEDY 4.1 1 Outer Barrier switch is out of adjustment or defective. 4.12 Full Out switch is not activated or defective. 4.13 Hand-held pendant not working properly . 4.00 LIFT WILL GO UP WITH OVERRIDE SWITCH BUT NOT WITH HAND-HELD PENDANT Check diagnostic LCD for Outer Barrier switch sta- tus. Barrier is down or bar ...
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Braun NUVL855RM24 - page 20
Page 18 FUNCTION POSSIBLE CAUSE REMEDY 9.00 BARRIER WILL NOT OPERA TE UP OR DOWN WITH OVER- RIDE SWITCHES OR HAND-HELD PENDANT 9.12 Poor plug connections 9.13 Barrier actuator motor or actuator out of adjustment or faulty 9.14 Bad power and ground Check harness connectors A1 and A2, E1, N1, N2, E1, F1 and F2. Check power at motor . Slightly lengthe ...
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Braun NUVL855RM24 - page 21
Page 19 CONT ACT REMOV AL 1. Remove orange wedge using needle nose pliers or a hook shaped wire to pull wedge straight out. 2. T o remove the contacts, gently pull wire backwards, while at the same time releasing the locking fi nger by moving it away from the contact with a screwdriver . 3. Hold the rear seal in place, as removing the contact will ...
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Braun NUVL855RM24 - page 22
Page 20 NOTES This page intentionally left blank. ...
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Braun NUVL855RM24 - page 23
Page 21 Wiring Schematic NUVL PC BOARD #100419-001 #100439-001 SWITCH BOX LIFT 6 5 4 3 J2 3 P2 2 6 5 4 2 1 1 5 6 J4 3 4 2 1 YL GN RD BK WH 5 6 P4 3 4 2 1 BU NOT USED NOT USED WH GN OR BU/BK NOT USED BK NOT USED RD BK/GY WH/BK BU BK/RD A1 A J G C H L K B I F D E RD + - BK CUSTOMER PLA TFORM LIGHTS THRESHOLD MA T #34392A #33879A U1 1 2 WH BK LIGHTS L ...
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Braun NUVL855RM24 - page 24
Page 22 Unfold for: Lift Wiring Schematic Hydraulic Parts List Item Qty . Description Part No. 1 1 Pump Assembly (M259 with Reservoir/ with Back-up pump) 87060-24V 2 1 Motor , Pump 16504-IS 3 1 V alve, “Down” (with Solenoid) 16505 4 1 Clamp, Reservoir - H-48 17069 5 1 Reservoir Replacement Kit (Includes Item #10) 88188K 6 2 O-Ring (only), Hand ...
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Braun NUVL855RM24 - page 25
Page 23 Hydraulic Diagram 34 28 29 30 32 35 35 31 26 18 25 33 33 19 21 22 23 24 17 34 27 28 29 Front Cylinder Rear Cylinder 14 1 2 3 6 5 4 16 9 10 11 15 7 12 8 11 13 38 39 40 17 Arrow must face pump Arrow must face pump 20 ...
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Braun NUVL855RM24 - page 26
Page 24 Pump Module Parts List DESCRIPTION PA RT N O . QTY ITEM ASSY -BOX-BRAUN HYDRAULIC & CONTROLS 22-01-1045A 1 1 BRACKET -PC BOARD MOUNTING/WMT 73824W 1 2 LAMP-BICOLORED LED P ANEL 30728 1 3 SWITCH-KILL/TOGGLE/(2) 1/4" SCREW SP ADES 12185 1 4 ASSY -HAND PENDANT -NHTSA NUVL 32426RMA 1 5 BOL T -1/4-20 X 3/4 GR5-HEX/AUTO-BK 10970 4 6 NUT ...
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Braun NUVL855RM24 - page 27
Page 25 Pump Module Diagram 30 52 6 42 38 39 31 29 28 41 35 9 2 11 4 50 43 44 24 27 12 16 40 25 47 53 45 1 18 26 21 20 22 23 17 19 14 13 10 15 36 37 33 32 34 3 7 8 48 49 5 51 ...
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Braun NUVL855RM24 - page 28
Page 26 Exploded Views and Parts Lists Housing Assembly Parts List MANUAL RELEASE CABLE ASSY KIT 73770-600 1 9 BLOCK-CARRIAGE STOP 1 1 75781N CLAMP-INSULA TE 1" 1 2 20535 1 3 73706 NUT 1/2-20 HEX JAM-AUT/BLK. 2 6 83022 CAM-7/8 UVL FOLLOWER 1 7 84052 4 82751 1 SCREW 5/16 X 1 1/4 SHLD SKT HD 1/4-20 ZP ROLLER-IDLER-NYLON-CHAIN 73777A 87615 16 1 1 ...
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Braun NUVL855RM24 - page 29
Page 27 Exploded Views and Parts Lists Housing Assembly 20 37 16 27 5 5 40 38 23 38 27 39 2 14 8 4 25 39 15 15 22 17 19 31 14 42 42 42 27 14 14 14 9 36 14 14 18 14 14 14 14 14 14 14 30 14 41 41 41 38 40 13 13 7 21 12 6 3 28 35 40 27 40 12 34 1 40 35 37 10 33 39 29 5 44 24 27 26 11 32 43 14 14 43 ...
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Braun NUVL855RM24 - page 30
Page 28 Exploded Views and Parts Lists Carriage Assembly Parts List BEARING OUTER RACE ASSEMBL Y 75230RMA 2 9 CARRIAGE WELDMENT 1 1 75201RMNW BEARING TRACK ROLLER 20X52 4 2 84305 1 3 75801RFNA NUT 1/4-20 NYLOCK FULL SS 4 6 83070 SCREW 1/4-20 X 2 3/4 SER HEX 2 7 82759 4 82758 2 SCREW 5/16 X 2 SHLD SKT HD 1/4-20 SS CYLINDER ASSEMBL Y - REAR 73230W 75 ...
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Braun NUVL855RM24 - page 31
Page 29 Exploded Views and Parts Lists Carriage Assembly 37 50 45 47 49 27 3 29 25 25 25 25 19 39 41 12 2 17 23 24 14 21 40 42 2 28 20 14 54 54 54 36 15 46 4 21 49 34 32 33 53 2 22 46 43 46 51 13 1 12 38 35 19 15 15 16 2 12 17 18 22 48 24 30 5 49 48 47 12 8 27 44 48 45 48 49 47 47 15 6 18 6 45 9 52 53 23 28 50 27 27 11 7 23 24 27 26 26 27 20 10 10 ...
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Braun NUVL855RM24 - page 32
Page 30 Exploded Views and Parts Lists Platform Assembly Parts List - Main Note: See pages 32-34 for other platform assembly breakdowns. SCREW-10-32 X 3/8 PHP ZP THD CUT 82755 6 9 PLA TE-PLA TFORM FLOOR 1 1 75306RMGMG COVER-PLA TFORM WIRING HARNESS 1 2 75738RMNY 1 3 75317RN BEARING-.75ID X .25 LG SPLIT -12DU04 2 6 84282 T APE-LIMIT SWITCH MOUNTING ...
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Braun NUVL855RM24 - page 33
Page 31 Exploded Views and Parts Lists Platform Assembly - Main 33 10 17 42 21 13 36 26 34 3 12 11 43 5 4 13 9 4 6 2 35 8 22 23 32 15 20 45 40 41 38 39 7 1 28 27 13 14 37 29 13 14 18 25 6 28 16 16 44 30 19 13 9 31 9 9 9 18 25 24 Note: See pages 32-34 for other platform assembly breakdowns. ...
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Braun NUVL855RM24 - page 34
Page 32 Exploded Views and Parts Lists Platform Assembly - Inner Roll Stop Platform Assembly - Outer Barrier 1 5 4 3 6 8 9 7 10 2 2 ASSY -DUAL OUTBOARD BARRIER 75321RNA WMT -BARRIER DESCRIPTION 82771 83585 PA RT N O . 75321RMNW ITEM 4 3 2 1 6 5 1 1 2 QTY . 1 WASHER-.390 X .625 X .073 SS SCREW-1/2 X 1 1/4 SHLD SKT HD X 3/8-16 1 75330W CLOSURE-WMT 7 ...
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Braun NUVL855RM24 - page 35
Page 33 Exploded Views and Parts Lists Platform Assembly - Fr ont Handrail Platform Assembly - Rear Handrail 1 9 16 10 7 10 4 13 15 13 13 12 12 14 5 6 11 14 15 4 SCREW-#8-18 X 1/2" PH/PN SD-SS 18533 NUT -3/8-16 UNC HEX NYLOCK DESCRIPTION 34032A 10091 PA RT N O . 17386 ITEM 4 3 2 1 6 5 1 9 2 QTY . 1 CABLE TIE-1 1" SOLID HARNESS-HANDRAIL BE ...
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Braun NUVL855RM24 - page 36
Page 34 Exploded Views and Parts Lists Platform Assembly - Fr ont Handrail Lock Platform Assembly - Rear Handrail Lock 6 4 3 1 7 2 5 BAR-HANDRAIL LOCK REAR 33478 WELDMENT -HANDRAIL LA TCH REAR DESCRIPTION 33668 33669 PA RT N O . 34178W ITEM 4 3 2 1 6 5 6 1 3 QTY . 1 NUT -HANDRAIL LOCK WASHER-.5ID X 1.003OD X .057-.067THK PTFE 1 82348 BOLT -5/16-24 ...
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Braun NUVL855RM24 - page 37
Over 300 Braun Dealers W orldwide "Pr oviding Access to the W orld" ® "Pr oviding Access to the W orld" International Corporate Hdqrs: P .O. Box 310 Winamac, IN 46996 USA 1-800-THE LIFT ® (574) 946-6153 F AX: (574) 946-4670 ® ...
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Braun NUVL855RM24 - page 38
Public Use Wheelchair Lifts All illustrations, descriptions and specifications in this manual are based on the latest pr oduct information available at the time of publication. The Braun Corporation reserves the right to make changes at any time without notice. All illustrations, descriptions and specifications in this manual are based on the lates ...
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