BraunAbility EUSC88S81120MEV Service Manual

International under-vehicle lift

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EUSC88S81120MEV

EUSC88S81120MEL

EUSC88S81120MEX

Manufacturing Revision Level: Rev. A Build

www.braunability.com/international

Phone: +1 574 946 6153

404998

Manual Rev E

October 2022

Service Manual

International

Under-Vehicle Lift

Public Use

Wheelchair Lifts

631 West 11th Street, Winamac, IN 46996, USA

Original Instructions

ISO 9001:2015

Fax: +1 574 946 4670

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Summary of Contents for BraunAbility EUSC88S81120MEV

Page 1 Service Manual International Under-Vehicle Lift ® EUSC88S81120MEV EUSC88S81120MEL EUSC88S81120MEX Public Use Wheelchair Lifts Manufacturing Revision Level: Rev. A Build www.braunability.com/international ISO 9001:2015 631 West 11th Street, Winamac, IN 46996, USA Phone: +1 574 946 6153 Fax: +1 574 946 4670...
Page 2 Warranty Consult your local BraunAbility dealer regarding warranty policy. ® www.braunability.com/international Model No. Serial No. War. Card 07.ai OWNER'S WARRANTY REGISTRATION XXXXXXXXXX XX-XXXXX PURCHASED FROM OWNER DATE INSTALLED NAME ADDRESS CITY TELEPHONE STATE TO VALIDATE WARRANTY REGISTRATION CARDS MUST BE RETURNED TO THE BRAUN CORPORATION.
Page 3 Contents Service Safety Precautions .......... 2-3 Lift Specifications............. 4 Lift Terminology ............... 5 Switch and Sensor Locations .......... 6 Switch Adjustments and LED Diagnostics ....... 7 Carriage Adjustments ............7 Floor Level Requirements and Adjustments ....8 Bridge Plate Cam Adjustment.......... 9 Linkage Rod Adjustment..........
Page 4 CAUTION Service Safety Precautions CAUTION Safety Symbols Know That ..SAFETY FIRST! The information contained in W ARNING CAUTION this manual and supplements (if included), is provided for your This symbol indicates This symbol indicates use and safety. Familiarity with important safety in- important information proper installation, operation,...
Page 5 Disconnect the power cable at the battery prior to servicing. W ARNING Never modify (alter) a BraunAbility lift. W ARNING Replacement parts must be BraunAbility authorized replacements. W ARNING Never install screws or fasteners (other than factory equipped). W ARNING Whenever replacing a hydraulic cylinder or seals, lower platform fully.
Page 6 The lift must be installed, operated, and maintained as detailed in applicable manual. Any use of equipment other than instructed in this manual is prohibited. The EUSC88S81120MEV has completed 15,600 cycles with a 363kg (800 lb.) load and a static load test with a 1088 kg (2400 lb) load.
Page 7 Lift Terminology Lift Mounting Clamps (4) Hydraulic Cylinders Bridge Plate Lift Housing Roll Stop Electric Actuator Pump Module Platform Platform Cable-activated Manual Release System Lifting Roll Stop Arms Hand-Held Pendant Rolling Control Horizontal Arms Manual Folding "P" Handrails Inboard Right Left Outboard Inboard...
Page 8 Switch and Sensor Locations Lift Out Limit Switch Lift Out Cam 404240A Full Out Limit Switch 73774BM Full Out Cam 404240A 73775BM Roll Stop Limit Switch 404225A NI NG W AR fully ndle e plat form form h T-ha y mov plat icle.
Page 9 Switch Adjustments & LED Diagnostics 36514 Lift Out Switch: The Lift Out Switch stops in- form is flush with the horizontal arms when ward travel of the carriage/platform during Stow switch is activated. Diagnostic LED (ST_LVL) function (activated by the housing-mounted Lift will be illuminated when platform is at stow start Out Cam).
Page 10 VALVE Floor Level Requirements and Adjustment CAUTION POWER PACK OPEN CAUTION CLOSE Do not adjust bridge 36514 plate linkage rod to The Floor Level switch adjustment and Bridge change bridge plate Plate Cam adjustment are factory set, but floor angle when per- CAUTION level positioning must be inspected during forming floor level...
Page 11 Bridge Plate Cam Adjustment 36514 Adjust the Floor Level switch first (detailed Cam Bolt in previous section). If the Floor Level Requirements are not met - adjust the Bridge Plate cam as detailed in the following procedures. Figure D Notice: Adjustment of the bridge plate cam affects the timing of bridge plate deployment and torque tube/vehicle clearance.
Page 12 CAUTION Linkage Rod Adjustment CAUTION 36514 CAUTION Improper bridge plate linkage rod adjustment may CAUTION result in lift damage. The bridge plate linkage rod may need adjusted Bridge Plate Slide Block occasionally to prevent excessive contact be- tween the backside of the bridge plate and the torque tube.
Page 13 Static and Dynamic Tests Compatibility between the lift and the vehicle The installer shall confirm the compatibility between the lift and the vehicle. Static Test Deformation The unladen platform is positioned mid-way between ground level and vehicle floor level and measurements are taken of the height of the platform and its angular attitude relative to the vehicle floor.
Page 14 Static and Dynamic Tests Dynamic Test With 363kg applied to the platform, verify that the lift is able to operate throughout its full range of normal lifting and lowering. 1. Lower platform to the ground. 2. Place 363kg at center of platform. 3.
Page 15 Maintenance and Lubrication 36513 36514 Proper maintenance is necessary to ensure safe, components. Plat- W ARNING trouble-free lift operation. Inspecting the lift for form components any wear, damage or other abnormal conditions exposed to contami- should be a part of the transit agency daily service nants when lowered Maintenance and program.
Page 16 Roll Stop Linkage Pivot Points Pivot Points Bridge Plate Hinge Pivot Points See the Maintenance/Lubrication Schedule for recommended applications per number of cycles. Specified (recommended) Available BraunAbility Lubricant Type Lubricant Amount Part No. Light Penetrating Oil LPS2, General Purpose 16 oz.
Page 17 Maintenance and Lubrication Roll stop pivot points (2) Apply Light Oil - See Lubrication Diagram Inspect roll stop for proper Correct or replace damaged parts. operation Bridge plate hinge pivot points Apply Light Oil - See Lubrication Diagram Bridge plate linkage pivot points Apply Light Oil - See Lubrication Diagram Lifting arm pivot points and rollers...
Page 18 Maintenance and Lubrication Hydraulic cylinder pivot points (4 per Apply Light Oil - See Lubrication cylinder) Diagram Drive chain and chain rollers Apply Light Oil - See Lubrication Diagram Drive chain release latch mechanism Apply Synthetic Grease - See Lubrication Diagram Deploy lift, remove upper pan and blow Use compressor and nozzle to remove out housing and clean housing tracks.
Page 19 Maintenance and Lubrication Inspect housing cam brackets for Tighten, repair or replace if needed. securement, wear or damage Inspect cylinder(s), hoses, fittings and Resecure, repair or replace if needed. 1500 hydraulic connections for wear, damage Cycles or leaks Inspect power cable Resecure, repair or replace if needed.
Page 20 Maintenance and Lubrication 2000-53-EC Disassembly and Disposal Guidelines No lift components contain unacceptable amounts of lead, cadmium, mercury, or hexavalent chromium. 1. Lower platform to ground. Lift 2. Open pump module manual relief valve. Disposal Procedure 3. Disconnect power from lift. 4.
Page 21 Troubleshooting Diagnosis Chart 36513 36514 If a problem occurs with your An Electrical Schematic and Hy- W ARNING lift, discontinue operation imme- draulic Diagram are provided to diately! Do not attempt repairs aid in troubleshooting. Troubleshooting and yourself. Contact your sales repair procedures A Repair Parts section with ex- representative.
Page 22 Troubleshooting Diagnosis Chart FUNCTION POSSIBLE CAUSE REMEDY 3.00 PUMP DOES 3.11 Up Solenoid Check for power on "pump" wire from P.C. NOT RUN board to UP solenoid. WITH MANUAL 3.12 Bad power and ground See 1.00 OVERRIDE HAND-HELD PENDANT Check Full Out switch for proper operation/ad- 4.11 FULL OUT diagnostic LED (FL_OUT) justment.
Page 23 Troubleshooting Diagnosis Chart FUNCTION POSSIBLE CAUSE REMEDY 7.50 7.51 Faulty FULL CLOSE switch. FULL Check FULL CLOSE switch for proper opera- LIFT WILL CLOSE diagnostic LED tion/adjustment. Replace or adjust as neces- GO OUT (FL_CLOSE) not illuminated sary. WITH OVER- RIDE BUT 7.52 Faulty DOOR CLOSE switch.
Page 24 Troubleshooting Diagnosis Chart 12.11 Improper terminal block wiring Check terminal block for correct wiring configu- ration. 12.12 No power going to switches Check power on connector A1, pins 1 and 2. 12.00 SWITCHES 12.13 Faulty wiring Check continuity of wires from switches to con- DO NOT nector A2.
Page 25 3) WIRE IDENTIFICATION: WIRE COLOR - WIRE SIZE IN MM2 - WIRE SIZE IN AWG AUX. BAT. ROLL STOP TERMINAL A7-1 A8-1 1680 VA creates an energy hazard. ACTUATOR 4) A 60A CIRCUIT BREAKER MUST BE INSTALLED. USE BRAUNABILITY CIRCUIT BREAKER (24V) A5-1 A6-1 #404224A KIT #36677KS OR CE EQUIVALENT. 5) *CUSTOMER SUPPLIED ITEMS.
Page 26 Hydraulic Parts List Item Qty. Description Part No. Pump Assembly, UVL w/Lee Check and Flow Control 405441 Motor, Pump 16504-IS Valve, “Down” (with Solenoid) 16505 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) 36464...
Page 27 Hydraulics Diagram Arrow must face pump Arrow must face pump NOTICE Remove power from pump module and any spark source before working with hydraulic fluid and components. Wear Use caution when working on components proper eye protection. Use inside pump module. Available energy of protective gloves for prolonged 1680 VA creates an energy hazard.
Page 28 Pump Module Parts List Item Qty. Description Part No. Pump Assembly, UVL w/Lee Check and Flow Control 405441 Fitting - 7/16-20/ 7/16-20 / 37° 24504 Hand Pump Handle with Angle Bracket - Painted - UVL 403848 Screw, 1/4-20 x 3/8", Pan Head Phillips 82769 Clamp-Spring-Pump Handle 12350...
Page 29 Pump Module Diagram NOTICE 1) TORQUE TO 6.8 Nm (60 in lb). 6 Rev 3679 TO "PUMP" IN VALVE/PUMP CONNECTOR ON ELECTRICAL BOARD TO DOWN VALVE TO "VALVE" IN VALVE/PUMP CONNECTOR ON ELECTRICAL BOARD TO DOWN VALVE TO "GROUND" IN PWR/GND CONNECTOR ON ELECTRICAL BOARD...
Page 30 Repair Parts List Item Qty. Description Part No. Item Qty. Description Part No. Housing Frame Assembly 404219A Washer, 7/8" I.D. x 1 3/8" O.D. x .06" 37511 Clamp, Lift Mounting 73733BM Nut, 9/16-18 x 5/16" Thick, Jam 31176 Chain Release Assembly 73760EVOMA-03 Washer, 1/2"...
Page 31 NOTE: 2 NOTICE 1) APPLY THREE DROPS OF SCOTCH-WELD™ THREADLOCKER RED TL71 (BRAUNABILITY #11522-1) OR EQUIVALENT TO ALL FASTENERS WITHOUT NYLOCK NUTS. 2) TORQUE TO 9.5 Nm (84 in lb). 3) TORQUE TO 3.4 Nm (30 in lb). 4) TORQUE TO 2.3 Nm (20 in lb).
Page 32 Carriage Exploded View Detail NOTICE 1) APPLY THREE DROPS OF SCOTCH-WELD™ THREADLOCKER RED TL71 (BRAUNABILITY #11522-1) OR EQUIVALENT. 2) TORQUE TO 101.7 Nm (75 ft lb). 3) TORQUE TO 14.9 Nm (132 in lb). 4) TORQUE TO 8.6 Nm (76 in lb).
Page 33 2) TORQUE TO 6.8 Nm (60 in lb). 3) TORQUE TO 16.3 Nm (12 ft lb). 4) APPLY A DROP OF SCOTCH-WELD™ THREADLOCKER BLUE TL42 (BRAUNABILITY #18822) OR EQUIVALENT. 5) TORQUE TO 8.5 Nm (75 in lb). 6) TORQUE ALL #15733 TO 14.1 Nm (125 in lb).
Page 34 Decals and Antiskid Notice: Clean surfaces with isopropyl alcohol before decal or W ARNING antiskid application. Use a clean cloth or paper towels. Do not use oily shop rags. Wipe surface free of residue with dry portion Replace missing, worn of cleaning cloth.
Page 35 Lift Rating UVL 800LB (363KGS) 400531 Manual Operation, UVL w/Roll Stop Actuator 402347 Authorized Representative, International, CE 404999 Electrical Components Module, EUSC88S81120MEV Rev. A Build 404344 Fuse Specifications, International, UVL-2 405000 Electrical Components, Lift, EUSC88S81120MEV Rev. A Build 404995 Caution Stripe 1" x 13"...
Page 36 Decals and Antiskid Decals Caution Stripe, 1" x 13" 81768 404995 Scale - 1:1 Caution Stripe, 1" x 30" 81768 81768 Scale - 1:1 Roll Stop Protector, .658" x 42.25" 405007 AI/81819 D ANGER KEEP CLEAR OF MOVING PARTS 81819 Danger, Keep Clear 81819 This BRAUN Lift is Rated...
Page 37 Decals and Antiskid C AUTION BraunAbility ® INDIANA, USA BRAUNABILITY.COM W ARNING XXXX Use Lift MODEL NUMBER XXXXXXX Max. Lifting Capacity - XXX lb SERIAL NUMBER XXXXXXX MFG DATE XXXXXXX Improper handling Push T-handle in fully and and/or servicing manually move platform in...
Page 38 Decals and Antiskid MANUAL OPERATION OUT (TO EXTEND PLATFORM): 1. Turn T-Handle to unlock release cable 2. Pull T-Handle out to unlock platform. 3. Turn T-Handle to lock release cable. 4. Pull platform out. IN G 5. Turn T-Handle to unlock release cable. m an T- ha 6.
Page 39 Decals and Antiskid BraunAbility UK LTD services.uk@braunability.eu www.braunability.eu BraunAbility Europe AB support@braunability.eu www.braunability.eu 402347 Rev C Authorized Representative 404999 402347 Electrical Components - Module 404999 W ARNING Face outward and lock wheelchair brakes before operating lift. 29440 36796 Rev B...
Page 40 Decals and Antiskid Additional Decals Supplied with Lift Parts Box Series 400256 Rev B Logo AI/81814 400256 W ARNING Face outward and lock wheelchair brakes before operating lift. 81814 Caution Lock Brakes 81814 W ARNING W ARNING Keep clear of stepwell when •...
Page 41 BraunAbility Europe AB Product Certificate BraunAbility Europe AB Declaration of Conformity Declaration of Conformity Issued by BraunAbility Safety Centre in Stenkullen, Sweden. Issued by BraunAbility Safety Centre in Stenkullen, Sweden. Manufacturer: The Braun Corporation Address: 631 West 11th Street, Winamac, IN 46996 United States...
Page 42 631 West 11th Street, Winamac, IN 46996, USA Phone: +1 574 946 6153 Fax: +1 574 946 4670 404998 Original Instructions Manual Rev. E October 2022 at the time of publication. BraunAbility® (aka Braun®) reserves the right to make changes at any time without notice.

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