Lift Operating Instructions
Contents
1. iia Refer to the Lift Operating In n structions for all normal lift opera structions posted on pump cover tion procedures Follow all Lift Operation Safety Precautions Rotate top clip to access handle approximate 1 16 intervals maximum Valve Tightening 30 inch Ibs Specification minimum Once valve seats TSIEN IDS stops tighten 15 seats to 30 inch pounds as shown Note Close backup pump release valve securely before operating electric pump Close Up Stop Note Inner roll stop and outer barrier auto matically function during manual operations TO REMOVE PUMP COVER Turn wing nut located on top 1 4 turn and lift pump cover off See Photo A TO REMOVE PUMP HANDLE Rotate top clip to remove pump handle See Photos B and C TO UNFOLD PLATFORM OUT Using hand pump handle Photo E 1 Close hand pump valve place slotted end of pump handle onto backup pump release valve and turn clock wise 2 Insert handle in pump and stroke until platform folds fully stops See Photo F 3 Open hand pump valve turn coun terclockwise until platform reaches floor level Open 1 2 turn only 4 Close hand pump valve turn clock wise Note Valve must be tight but do not overtighten DOWN TO LOWER Place slotted end of pump handle onto backup pump release valve and turn counterclockwise open 1 2 turn only until the platform reac2. Lift Operating Instructions Operating Instructions to manu ally operate lift An NL Series lift is depicted in photos below Op erating procedures are applicable for other lift models If your lift does not function as intended or a visual or audible vehicular traffic Place the warning signal is activated review vehicle transmission in Park the FMVSS 403 404 Certification and engage the parking brake Checklist Refer to the Manual Vehicle engine must be running Before lift operation park on a level surface away from OPEN DOOR S AND SECURE TO UNFOLD PLATFORM Stand clear and press the UN FOLD switch until the platform lt 4 stops reaches floor level unfolds gt fully Release switch Note In event platform does not unfold press FOLD switch to release Lift Tite latches TO UNLOAD PASSENGER lt q 1 Read Note below Load pas gt senger onto platform and lock wheelchair brakes lt 4 Note Outer Barrier must be UP lt 2 Press DOWN switch until the entire gt platform reaches ground level see Photo B and the outer barrier unfolds fully ramp position See Photo C Release switch 3 Unlock wheelchair brakes and unload passenger from platform Note Outer barrier must be fully unfolded ramp position until the entire wheelchair or standee has gt crossed the outer barrier See Photos E and F TO LOAD PASSENGER 1 Read Note
3. een upper lower fold arms See Lubrica tion Diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Grease to both sides of slot See Lubrication Diagram Correct replace damaged parts and or relubricate Resecure replace or correct as needed See Platform Angle Instructions and Platform Floor Level Adjustment Replace damaged parts Resecure replace or adjust as needed See Microswitch Adjustment Instructions Realign towers and vertical arms Lubricate or correct as needed Resecure or replace if needed Replace damaged parts Apply Light Oil to inner roll stop lock pivot point Replace damaged parts and resecure as needed Apply Light Oil Resecure replace or correct as needed Perform all procedures listed in previous section also Maintenance Indicator The Lift Ready green LED mounted on top of the pump cover will begin to blink after every 750 cycles The blinking LED will not affect the functions of the lift but is a reminder to complete necessary maintenance and lubrication Once the lift has been serv
4. eration Inspect outer barrier for proper operation procedures should be repeated at 750 cycle inter vals following the scheduled 4500 cycle maintenance procedures These inter vals are a general guideline for scheduling maintenance procedures and will vary according to lift use and conditions Lifts exposed to severe conditions weather environment contamina tion heavy usage etc may require inspection and maintenance procedures to be performed more often than specified Inspect outer barrier latch for proper operation positive securement and detached or missing spring Inspect lift for wear damage or any abnormal condition Inspect lift for rattles Adjust fold pressure and outer barrier fold pres sure if applicable Verify FMVSS 403 404 Certification Checklist Maintenance and Lubrication Correct or replace damaged parts and or relubricate See Lubrication Diagram Correct as needed Correct as needed See applicable service manual See FMVSS 403 404 Certification Checklist Perform all procedures listed in previous section also AWARNING Maintenance and lubrication procedures must be performed as specified by an authorized service technician Failure to do so may result in and or property damage Upper lower fold arms 2 Platform pivot pin bearings 4 Lower fold arm bearings 8 Inner roll stop pivot bearings 2 Inner roll stop lever bearings 2 Inner
5. hes ground level and outer barrier unfolds Position cover over red light Align and insert bottom of cov rit ee ewe Sa ee ee a Fe Stroking Hand Pump F UP TO RAISE Using hand pump handle 1 Place slotted end of pump handle onto backup pump release valve and turn clockwise to close securely See Photo E Note Valve must be tight but do not overtighten 2 Insert handle into backup pump and stroke until platform reaches floor level see Photo F TO FOLD PLATFORM IN Insert handle into backup pump and stroke until platform stops folds fully See Photo F TO STORE PUMP HANDLE 1 Insert bottom of handle behind bottom clip See Photo B 2 Rotate top clip to secure lock handle See Photo C TO INSTALL PUMP COVER 1 Position cover over module back cover See Photo G 2 Align outside cover lip with bottom cover offset and insert outside cover See Photo H 3 Insert wing stud and rotate 1 4 turn to lock cover See Photo l er Maintenance and Lubrication Lubrication Diagram Lift Tite Latches Tower Pivot Points 2 lt CCCI Y yyy Buttons 2 DE Upper Fold Arm Cam Followers 4 LO Saddle Support Bearings 8 LO 1 Upper Lower Fold Arm Contact Area 2 LG Lower Fold Arm Bearings 8 LO Platform Pivot Pin Outer Barrier Lift T
6. iced fully stow the lift Once stowed press the UP button on the hand pendant and the Floor Level Set button on the back side of the pump cover until the Lift Ready green LED stops blinking Discontinue lift use immediately if maintenance and lubrication procedures are not properly performed or if there is any sign of wear damage or improper operation Contact your sales representative or call The Braun Corporation at 1 800 THE LIFT One of our national Product Support representatives will direct you to an authorized service technician who will inspect your lift Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Grease to both sides of slot See Lubrication diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Resecure replace damaged parts or otherwise correct as needed Note Apply Light Grease to Lift Tite latch tower pivot point if replacing latch Correct or replace damaged parts Consecutive Inspect cotter pins on platform pivot pin 2 Hydraulic Fluid Pump Check level Note Fluid should be changed if there is visible contamina tion Inspect the hydraulic system cylinder hoses fittings seals etc for leaks if fluid level is low Inspect cylinders fittings and hydraulic connec tions for wear damage or leaks Inspect outer barrier cylinder hose assembly hose fas
7. ite Latch Dampening Spring 2 springs 4 Points Hydraulic Cylinder Pivot Bushings 8 LO LO Parallel Arm Pivot Pin Bearings en oe AS Saddle SSA Bearing 1 gt 4 S DE LO Parallel Arm Pivot Pin Bearings 16 LO Handrail Pivot Pin Bearings 4 LO Inner Roll Stop Lever Bearings 2 and Slots 2 LO Inner Roll Stop Pivot Bearings 2 LO Outer Barrier Pivot Bearings 2 LO Bearings 4 i LO aa ba Outer Barrier Latch Slot Lift Tite Latch Rollers 2 Outer Barrier Both Sides LO Lever Guide Slot Outer Barer LG ae Lever Bearings Specified recommended PET Ele Lubricant Lub LO Light Oil ricant Amount Light Penetrating Oil LPS2 General Purpose 11 oz 30 weight or equivalent Penetrating Oil Aerosol Can LO Braun Part No Stainless Stick Door Ease 1 68 oz Style tube Stick tube DE Door Ease LG Light Grease Multipurpose Light Grease Lubriplate 14 oz Can Maintenance and Lubrication Schedule Proper maintenance is necessary to ensure safe troublefree operation Inspecting the lift for any wear damage or other abnormal conditions should be a part of the transit agency daily service program Simple inspections can detect potential problems The maintenance and lubrication procedures speci fied in this schedule must be performed by a Braun authorized service representative at the scheduled intervals accordi
8. ng to the number of cycles Braun dual parallel arm lifts are equipped with hard ened pins and self lubricating bushings to decrease wear provide smooth operation and extend the service life of the lift When servicing the lift at the recommended inter vals inspection and lubrication procedures specified in the previous sections should be repeated Clean components and the surrounding area before apply ing lubricants LPS2 General Purpose Penetrating Oil is recommended where Light Oil is called out Use of improper lubricants can attract dirt or other contaminants which could result in wear or damage to the components Platform components exposed to contaminants when lowered to the ground may require extra attention Lift components requiring grease are lubricated dur ing assembly procedures When these components are replaced grease must be applied during instal lation procedures Specified lubricants are available from The Braun Corporation part numbers provided above All listed inspection lubrication and maintenance Outer barrier pivot points 2 Outer barrier latch pivot point Outer barrier latch slot Outer barrier lever bearings 2 Lift Tite latches tower pivot points 2 Lift Tite latch gas dampening spring pivot points 2 springs 4 points Inspect Lift Tite latches and gas springs for wear or damage bent deformed or misaligned posi tive securement external snap rings and proper op
9. roll stop lever slot 2 Saddle support bearings 8 Upper fold arm cam followers 4 Parallel arm pivot pin bearings 16 Handrail pivot pin bearings 4 Hydraulic cylinder pivot bushings 8 Outer barrier lever guide slot Inspect Lift Tite latch rollers for wear or damage positive securement and proper operation 2 Inspect inner roll stop for e Wear or damage e Proper operation Roll stop should just rest on top surface of the threshold plate e Positive securement both ends Inspect handrail components for wear or damage and for proper operation Inspect microswitches for securement and proper adjustment Make sure lift operates smoothly Inspect external snap rings e Lower fold arm 6 Lift Tite latch roller 2 e Lift Tite latch gas dampening spring 4 e Upper fold arm cam followers 4 e Outer barrier hydraulic cylinder mounting pin 2 e Inner roll stop lever bracket pins 2 Inspect inner roll stop locks 2 and torson springs 2 for wear or damage and for proper operation Inspect lower fold arm pins 2 axles 2 and bearings 8 for wear or damage and positive securement Remove pump module cover and inspect e Hydraulic hoses fittings and connections for wear or leaks e Harness cables wires terminals and connec tions for securement or damage e Control board circuit breaker power switch and lights for securement or damage Apply grease synthetic to contact areas betw
10. s below Load pas senger onto platform and lock wheelchair brakes See Photo G d Note Outer barrier must be fully p gt unfolded ramp position until the entire wheelchair or standee has crossed the outer barrier See Photos E and F Note Passenger must be positioned fully inside yellow boundries 2 Press UP switch Photo H to fold p outer barrier UP fully vertical see Photo I and raise the plat form to floor level See Photo J Release switch 3 Unlock wheelchair brakes and unload passenger from platform TO FOLD PLATFORM Press FOLD In switch until d platform stops fully folded See J gt Photos K and L Release switch CLOSE DOOR S Manual Operating instructions Instructions are provided for all Manual Operation decal 31412 steps that differ from standard also provides manual operating i lift operation procedures Turn wing 1 4 turn Pump Handle MANUAL OPERATION Unlock E mmda pama Ara mises y arar A yy o a a Hand Pump Release Valve irr i o A oe x yy 7 5 s yy ee i W KRAJ 7 X K ei Xx N W SAADAAN x si w KY NV re i ae R 6 TKK N RN aaa aa W 7 w b i i 7
11. se or replace if needed See Lubri cation Diagram Resecure or replace if needed Resecure repair or replace if needed Check to see that the lift is securely anchored to the vehicle and there are no loose bolts broken welds or stress fractures Replace decals if worn missing or illegible Re place antiskid if worn or missing
12. teners connections etc for wear dam age or leakage Inspect parallel arms bearings and pivot pins for visible wear or damage Inspect parallel arm pivot pin mounting bolts 8 Inspect platform pivot pins bearings and vertical arms for wear damage and positive securement Inspect upper lower fold arms saddle saddle support and associated pivot pins and bearings for visible wear or damage Inspect gas springs cylinders for wear or dam age proper operation and positive securement Inspect saddle bearing 1 and saddle bearing buttons 2 Inspect vertical arm plastic covers Inspect power cable Mounting Decals and Antiskid Repeat all previously listed inspection lubrica tion and maintenance procedures at 750 cycle intervals Resecure replace or correct as needed Use Braun 32840 QT hydraulic fluid Exxon Univis HVI 26 Do not mix with Dextron III or other hydraulic fluids Check fluid level with plat form lowered fully Fill to maximum fluid level indicated on reservoir specified on decal Do not overfill If fluid level decal is not present mea sure 1 3 8 from the fill port to locate fluid level Tighten repair or replace if needed Tighten repair or replace if needed Replace if needed Tighten or replace if needed Replace damaged parts and resecure as needed Apply Light Grease during reassembly procedures Replace if needed Tighten replace or correct as needed Apply Door Ea
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